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325 results on '"Hacket-Pain, A"'

1. The Relationship Between Maturation Size and Maximum Tree Size From Tropical to Boreal Climates

Author

Journé, Valentin, Bogdziewicz, Michał, Courbaud, Benoit, Kunstler, Georges, Qiu, Tong, Acuña, Marie‐Claire Aravena, Ascoli, Davide, Bergeron, Yves, Berveiller, Daniel, Boivin, Thomas, Bonal, Raul, Caignard, Thomas, Cailleret, Maxime, Calama, Rafael, Camarero, J Julio, Chang‐Yang, Chia‐Hao, Chave, Jerome, Chianucci, Francesco, Curt, Thomas, Cutini, Andrea, Das, Adrian, Daskalakou, Evangelia, Davi, Hendrik, Delpierre, Nicolas, Delzon, Sylvain, Dietze, Michael, Calderon, Sergio Donoso, Dormont, Laurent, Espelta, Josep Maria, Farfan‐Rios, William, Fenner, Michael, Franklin, Jerry, Gehring, Catherine, Gilbert, Gregory, Gratzer, Georg, Greenberg, Cathryn H, Guignabert, Arthur, Guo, Qinfeng, Hacket‐Pain, Andrew, Hampe, Arndt, Han, Qingmin, Hanley, Mick E, Lambers, Janneke Hille Ris, Holík, Jan, Hoshizaki, Kazuhiko, Ibanez, Ines, Johnstone, Jill F, Knops, Johannes MH, Kobe, Richard K, Kurokawa, Hiroko, Lageard, Jonathan, LaMontagne, Jalene, Ledwon, Mateusz, Lefèvre, François, Leininger, Theodor, Limousin, Jean‐Marc, Lutz, James, Macias, Diana, Mårell, Anders, McIntire, Eliot, Moran, Emily V, Motta, Renzo, Myers, Jonathan, Nagel, Thomas A, Naoe, Shoji, Noguchi, Mahoko, Norghauer, Julian, Oguro, Michio, Ourcival, Jean‐Marc, Parmenter, Robert, Pearse, Ian, Pérez‐Ramos, Ignacio M, Piechnik, Łukasz, Podgórski, Tomasz, Poulsen, John, Redmond, Miranda D, Reid, Chantal D, Samonil, Pavel, Scher, C Lane, Schlesinger, William H, Seget, Barbara, Sharma, Shubhi, Shibata, Mitsue, Silman, Miles, Steele, Michael, Stephenson, Nathan, Straub, Jacob, Sutton, Samantha, Swenson, Jennifer J, Swift, Margaret, Thomas, Peter A, Uriarte, Maria, Vacchiano, Giorgio, Whipple, Amy, Whitham, Thomas, Wright, S Joseph, Zhu, Kai, Zimmerman, Jess, Żywiec, Magdalena, and Clark, James S

Subjects
Biological Sciences, Ecology, Trees, Tropical Climate, Climate Change, Reproduction, Forests, allometry, life history, seed production, size, tree fecundity, tree maturation, Ecological Applications, Evolutionary Biology, Ecological applications, Environmental management
Abstract

The fundamental trade-off between current and future reproduction has long been considered to result in a tendency for species that can grow large to begin reproduction at a larger size. Due to the prolonged time required to reach maturity, estimates of tree maturation size remain very rare and we lack a global view on the generality and the shape of this trade-off. Using seed production from five continents, we estimate tree maturation sizes for 486 tree species spanning tropical to boreal climates. Results show that a species' maturation size increases with maximum size, but in a non-proportional way: the largest species begin reproduction at smaller sizes than would be expected if maturation were simply proportional to maximum size. Furthermore, the decrease in relative maturation size is steepest in cold climates. These findings on maturation size drivers are key to accurately represent forests' responses to disturbance and climate change.

Published
2024

2. Reconstruction of Araucaria araucana cone production reveals warming intensifies regionally synchronized masting

Author

Andrew Hacket‐Pain, Fidel A. Roig, Davide Ascoli, Carlos LeQuesne, and Martin Hadad

Subjects
climate change, dendrochronology, dendroecology, mast seeding, Patagonia, synchrony, Ecology, QH540-549.5
Abstract

Abstract The reproduction of many long‐lived plants is highly variable and synchronized, known as masting. Masting is a key driver of plant regeneration dynamics and has cascading effects on food webs and carbon and nutrient fluxes through ecosystems. Masting patterns can respond to changes in climate, but natural long‐term variability in masting behavior (i.e., baseline variability) is poorly understood. Here we use tree‐rings to create a four‐century reconstruction of annual cone production to uncover centennial‐scale evolution in masting of Araucaria araucana, a dioecious masting species in South America. Over the last four decades, direct observations of annual cone production in this species revealed remarkable range‐wide synchrony of masting. Our tree‐ring‐based reconstruction places this in a long‐term context, revealing that intense regional masting is not a consistent feature of A. araucana reproduction. For extensive periods over the last four centuries, masting has been a site‐specific phenomenon, with variability in cone production that was not regionally synchronized. Comparison with regional climate reconstructions indicates that regional synchrony of masting varies with regional temperature trends, including during recent decades. During warmer periods, synchrony is enhanced, and during cooler periods, regional synchrony breaks down. These dynamics have implications for understanding the reproduction of this iconic and endangered tree species and provide evidence of long‐term linkages between climate change and masting behavior. Our study demonstrates the potential for novel tree‐ring‐based reconstructions of masting to reveal crucial insights into baseline variability and the response of masting to climate change.

Published
2024
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4. Linking seed size and number to trait syndromes in trees

Author

Bogdziewicz, Michal, Acuña, Marie‐Claire Aravena, Andrus, Robert, Ascoli, Davide, Bergeron, Yves, Brveiller, Daniel, Boivin, Thomas, Bonal, Raul, Caignard, Thomas, Cailleret, Maxime, Calama, Rafael, Calderon, Sergio Donoso, Camarero, J Julio, Chang‐Yang, Chia‐Hao, Chave, Jerome, Chianucci, Francesco, Cleavitt, Natalie L, Courbaud, Benoit, Cutini, Andrea, Curt, Thomas, Das, Adrian J, Davi, Hendrik, Delpierre, Nicolas, Delzon, Sylvain, Dietze, Michael, Dormont, Laurent, Farfan‐Rios, William, Gehring, Catherine A, Gilbert, Gregory S, Gratzer, Georg, Greenberg, Cathryn H, Guignabert, Arthur, Guo, Qinfeng, Hacket‐Pain, Andrew, Hampe, Arndt, Han, Qingmin, Hoshizaki, Kazuhiko, Ibanez, Ines, Johnstone, Jill F, Journé, Valentin, Kitzberger, Thomas, Knops, Johannes MH, Kunstler, Georges, Kobe, Richard, Lageard, Jonathan GA, LaMontagne, Jalene M, Ledwon, Mateusz, Leininger, Theodor, Limousin, Jean‐Marc, Lutz, James A, Macias, Diana, Marell, Anders, McIntire, Eliot JB, Moran, Emily, Motta, Renzo, Myers, Jonathan A, Nagel, Thomas A, Naoe, Shoji, Noguchi, Mahoko, Oguro, Michio, Kurokawa, Hiroko, Ourcival, Jean‐Marc, Parmenter, Robert, Perez‐Ramos, Ignacio M, Piechnik, Lukasz, Podgórski, Tomasz, Poulsen, John, Qiu, Tong, Redmond, Miranda D, Reid, Chantal D, Rodman, Kyle C, Šamonil, Pavel, Holik, Jan, Scher, C Lane, Van Marle, Harald Schmidt, Seget, Barbara, Shibata, Mitsue, Sharma, Shubhi, Silman, Miles, Steele, Michael A, Straub, Jacob N, Sun, I‐Fang, Sutton, Samantha, Swenson, Jennifer J, Thomas, Peter A, Uriarte, Maria, Vacchiano, Giorgio, Veblen, Thomas T, Wright, Boyd, Wright, S Joseph, Whitham, Thomas G, Zhu, Kai, Zimmerman, Jess K, Zywiec, Magdalna, and Clark, James S

Subjects
fecundity, functional traits, leaf economics, life history strategies, size syndrome, tree recruitment, Ecology
Published
2023

5. Evolutionary ecology of masting: mechanisms, models, and climate change

Author

Bogdziewicz, Michal, Kelly, Dave, Ascoli, Davide, Caignard, Thomas, Chianucci, Francesco, Crone, Elizabeth E., Fleurot, Emilie, Foest, Jessie J., Gratzer, Georg, Hagiwara, Tomika, Han, Qingmin, Journé, Valentin, Keurinck, Léa, Kondrat, Katarzyna, McClory, Ryan, LaMontagne, Jalene M., Mundo, Ignacio A., Nussbaumer, Anita, Oberklammer, Iris, Ohno, Misuzu, Pearse, Ian S., Pesendorfer, Mario B., Resente, Giulia, Satake, Akiko, Shibata, Mitsue, Snell, Rebecca S., Szymkowiak, Jakub, Touzot, Laura, Zwolak, Rafal, Zywiec, Magdalena, and Hacket-Pain, Andrew J.

Published
2024
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6. Globally, tree fecundity exceeds productivity gradients

Author

Journé, Valentin, Andrus, Robert, Aravena, Marie‐Claire, Ascoli, Davide, Berretti, Roberta, Berveiller, Daniel, Bogdziewicz, Michal, Boivin, Thomas, Bonal, Raul, Caignard, Thomas, Calama, Rafael, Camarero, Jesús Julio, Chang‐Yang, Chia‐Hao, Courbaud, Benoit, Courbet, Francois, Curt, Thomas, Das, Adrian J, Daskalakou, Evangelia, Davi, Hendrik, Delpierre, Nicolas, Delzon, Sylvain, Dietze, Michael, Calderon, Sergio Donoso, Dormont, Laurent, Espelta, Josep Maria, Fahey, Timothy J, Farfan‐Rios, William, Gehring, Catherine A, Gilbert, Gregory S, Gratzer, Georg, Greenberg, Cathryn H, Guo, Qinfeng, Hacket‐Pain, Andrew, Hampe, Arndt, Han, Qingmin, Lambers, Janneke Hille Ris, Hoshizaki, Kazuhiko, Ibanez, Ines, Johnstone, Jill F, Kabeya, Daisuke, Kays, Roland, Kitzberger, Thomas, Knops, Johannes MH, Kobe, Richard K, Kunstler, Georges, Lageard, Jonathan GA, LaMontagne, Jalene M, Leininger, Theodor, Limousin, Jean‐Marc, Lutz, James A, Macias, Diana, McIntire, Eliot JB, Moore, Christopher M, Moran, Emily, Motta, Renzo, Myers, Jonathan A, Nagel, Thomas A, Noguchi, Kyotaro, Ourcival, Jean‐Marc, Parmenter, Robert, Pearse, Ian S, Perez‐Ramos, Ignacio M, Piechnik, Lukasz, Poulsen, John, Poulton‐Kamakura, Renata, Qiu, Tong, Redmond, Miranda D, Reid, Chantal D, Rodman, Kyle C, Rodriguez‐Sanchez, Francisco, Sanguinetti, Javier D, Scher, C Lane, Van Marle, Harald Schmidt, Seget, Barbara, Sharma, Shubhi, Silman, Miles, Steele, Michael A, Stephenson, Nathan L, Straub, Jacob N, Swenson, Jennifer J, Swift, Margaret, Thomas, Peter A, Uriarte, Maria, Vacchiano, Giorgio, Veblen, Thomas T, Whipple, Amy V, Whitham, Thomas G, Wright, Boyd, Wright, S Joseph, Zhu, Kai, Zimmerman, Jess K, Zlotin, Roman, Zywiec, Magdalena, and Clark, James S

Subjects
Climate Change Impacts and Adaptation, Biological Sciences, Ecology, Environmental Sciences, Regenerative Medicine, Biodiversity, Climate, Fertility, Forests, Seeds, Trees, climate, competition, forest regeneration, seed consumption, species interactions, tree fecundity, Ecological Applications, Evolutionary Biology, Ecological applications, Environmental management
Abstract

Lack of tree fecundity data across climatic gradients precludes the analysis of how seed supply contributes to global variation in forest regeneration and biotic interactions responsible for biodiversity. A global synthesis of raw seedproduction data shows a 250-fold increase in seed abundance from cold-dry to warm-wet climates, driven primarily by a 100-fold increase in seed production for a given tree size. The modest (threefold) increase in forest productivity across the same climate gradient cannot explain the magnitudes of these trends. The increase in seeds per tree can arise from adaptive evolution driven by intense species interactions or from the direct effects of a warm, moist climate on tree fecundity. Either way, the massive differences in seed supply ramify through food webs potentially explaining a disproportionate role for species interactions in the wet tropics.

Published
2022

7. Evolution of masting in plants is linked to investment in low tissue mortality

Author

Valentin Journé, Andrew Hacket-Pain, and Michał Bogdziewicz

Subjects
Science
Abstract

Abstract Masting, a variable and synchronized variation in reproductive effort is a prevalent strategy among perennial plants, but the factors leading to interspecific differences in masting remain unclear. Here, we investigate interannual patterns of reproductive investment in 517 species of terrestrial perennial plants, including herbs, graminoids, shrubs, and trees. We place these patterns in the context of the plants’ phylogeny, habitat, form and function. Our findings reveal that masting is widespread across the plant phylogeny. Nonetheless, reversion from masting to regular seed production is also common. While interannual variation in seed production is highest in temperate and boreal zones, our analysis controlling for environment and phylogeny indicates that masting is more frequent in species that invest in tissue longevity. Our modeling exposes masting-trait relationships that would otherwise remain hidden and provides large-scale evidence that the costs of delayed reproduction play a significant role in the evolution of variable reproduction in plants.

Published
2023
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8. Identifying drivers of non-stationary climate-growth relationships of European beech

Author

Leifsson, Christopher, Buras, Allan, Klesse, Stefan, Baittinger, Claudia, Bat-Enerel, Banzragch, Battipaglia, Giovanna, Biondi, Franco, Stajić, Branko, Budeanu, Marius, Čada, Vojtěch, Cavin, Liam, Claessens, Hugues, Čufar, Katarina, de Luis, Martin, Dorado-Liñán, Isabel, Dulamsuren, Choimaa, Garamszegi, Balázs, Grabner, Michael, Hacket-Pain, Andrew, Hansen, Jon Kehlet, Hartl, Claudia, Huang, Weiwei, Janda, Pavel, Jump, Alistair S., Kazimirović, Marko, Knutzen, Florian, Kreyling, Jürgen, Land, Alexander, Latte, Nicolas, Lebourgeois, François, Leuschner, Christoph, Longares, Luis A., Martinez del Castillo, Edurne, Menzel, Annette, Motta, Renzo, Muffler-Weigel, Lena, Nola, Paola, Panayatov, Momchil, Petritan, Any Mary, Petritan, Ion Catalin, Popa, Ionel, Roibu, Cǎtǎlin-Constantin, Rubio-Cuadrado, Álvaro, Rydval, Miloš, Scharnweber, Tobias, Camarero, J. Julio, Svoboda, Miroslav, Toromani, Elvin, Trotsiuk, Volodymyr, van der Maaten-Theunissen, Marieke, van der Maaten, Ernst, Weigel, Robert, Wilmking, Martin, Zlatanov, Tzvetan, Rammig, Anja, and Zang, Christian S.

Published
2024
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9. Limits to reproduction and seed size-number trade-offs that shape forest dominance and future recovery

Author

Qiu, Tong, Andrus, Robert, Aravena, Marie-Claire, Ascoli, Davide, Bergeron, Yves, Berretti, Roberta, Berveiller, Daniel, Bogdziewicz, Michal, Boivin, Thomas, Bonal, Raul, Bragg, Don C, Caignard, Thomas, Calama, Rafael, Camarero, J Julio, Chang-Yang, Chia-Hao, Cleavitt, Natalie L, Courbaud, Benoit, Courbet, Francois, Curt, Thomas, Das, Adrian J, Daskalakou, Evangelia, Davi, Hendrik, Delpierre, Nicolas, Delzon, Sylvain, Dietze, Michael, Calderon, Sergio Donoso, Dormont, Laurent, Espelta, Josep, Fahey, Timothy J, Farfan-Rios, William, Gehring, Catherine A, Gilbert, Gregory S, Gratzer, Georg, Greenberg, Cathryn H, Guo, Qinfeng, Hacket-Pain, Andrew, Hampe, Arndt, Han, Qingmin, Hille Ris Lambers, Janneke, Hoshizaki, Kazuhiko, Ibanez, Ines, Johnstone, Jill F, Journé, Valentin, Kabeya, Daisuke, Kilner, Christopher L, Kitzberger, Thomas, Knops, Johannes MH, Kobe, Richard K, Kunstler, Georges, Lageard, Jonathan GA, LaMontagne, Jalene M, Ledwon, Mateusz, Lefevre, Francois, Leininger, Theodor, Limousin, Jean-Marc, Lutz, James A, Macias, Diana, McIntire, Eliot JB, Moore, Christopher M, Moran, Emily, Motta, Renzo, Myers, Jonathan A, Nagel, Thomas A, Noguchi, Kyotaro, Ourcival, Jean-Marc, Parmenter, Robert, Pearse, Ian S, Perez-Ramos, Ignacio M, Piechnik, Lukasz, Poulsen, John, Poulton-Kamakura, Renata, Redmond, Miranda D, Reid, Chantal D, Rodman, Kyle C, Rodriguez-Sanchez, Francisco, Sanguinetti, Javier D, Scher, C Lane, Schlesinger, William H, Schmidt Van Marle, Harald, Seget, Barbara, Sharma, Shubhi, Silman, Miles, Steele, Michael A, Stephenson, Nathan L, Straub, Jacob N, Sun, I-Fang, Sutton, Samantha, Swenson, Jennifer J, Swift, Margaret, Thomas, Peter A, Uriarte, Maria, Vacchiano, Giorgio, Veblen, Thomas T, Whipple, Amy V, Whitham, Thomas G, Wion, Andreas P, Wright, Boyd, Wright, S Joseph, Zhu, Kai, and Zimmerman, Jess K

Subjects
Agricultural, Veterinary and Food Sciences, Biological Sciences, Ecology, Contraception/Reproduction, Fertility, Forests, Reproduction, Seeds, Trees
Abstract

The relationships that control seed production in trees are fundamental to understanding the evolution of forest species and their capacity to recover from increasing losses to drought, fire, and harvest. A synthesis of fecundity data from 714 species worldwide allowed us to examine hypotheses that are central to quantifying reproduction, a foundation for assessing fitness in forest trees. Four major findings emerged. First, seed production is not constrained by a strict trade-off between seed size and numbers. Instead, seed numbers vary over ten orders of magnitude, with species that invest in large seeds producing more seeds than expected from the 1:1 trade-off. Second, gymnosperms have lower seed production than angiosperms, potentially due to their extra investments in protective woody cones. Third, nutrient-demanding species, indicated by high foliar phosphorus concentrations, have low seed production. Finally, sensitivity of individual species to soil fertility varies widely, limiting the response of community seed production to fertility gradients. In combination, these findings can inform models of forest response that need to incorporate reproductive potential.

Published
2022

10. Masting is uncommon in trees that depend on mutualist dispersers in the context of global climate and fertility gradients

Author

Qiu, Tong, Aravena, Marie-Claire, Ascoli, Davide, Bergeron, Yves, Bogdziewicz, Michal, Boivin, Thomas, Bonal, Raul, Caignard, Thomas, Cailleret, Maxime, Calama, Rafael, Calderon, Sergio Donoso, Camarero, J. Julio, Chang-Yang, Chia-Hao, Chave, Jerome, Chianucci, Francesco, Courbaud, Benoit, Cutini, Andrea, Das, Adrian J., Delpierre, Nicolas, Delzon, Sylvain, Dietze, Michael, Dormont, Laurent, Espelta, Josep Maria, Fahey, Timothy J., Farfan-Rios, William, Franklin, Jerry F., Gehring, Catherine A., Gilbert, Gregory S., Gratzer, Georg, Greenberg, Cathryn H., Guignabert, Arthur, Guo, Qinfeng, Hacket-Pain, Andrew, Hampe, Arndt, Han, Qingmin, Holik, Jan, Hoshizaki, Kazuhiko, Ibanez, Ines, Johnstone, Jill F., Journé, Valentin, Kitzberger, Thomas, Knops, Johannes M. H., Kunstler, Georges, Kurokawa, Hiroko, Lageard, Jonathan G. A., LaMontagne, Jalene M., Lefevre, Francois, Leininger, Theodor, Limousin, Jean-Marc, Lutz, James A., Macias, Diana, Marell, Anders, McIntire, Eliot J. B., Moore, Christopher M., Moran, Emily, Motta, Renzo, Myers, Jonathan A., Nagel, Thomas A., Naoe, Shoji, Noguchi, Mahoko, Oguro, Michio, Parmenter, Robert, Pearse, Ian S., Perez-Ramos, Ignacio M., Piechnik, Lukasz, Podgorski, Tomasz, Poulsen, John, Redmond, Miranda D., Reid, Chantal D., Rodman, Kyle C., Rodriguez-Sanchez, Francisco, Samonil, Pavel, Sanguinetti, Javier D., Scher, C. Lane, Seget, Barbara, Sharma, Shubhi, Shibata, Mitsue, Silman, Miles, Steele, Michael A., Stephenson, Nathan L., Straub, Jacob N., Sutton, Samantha, Swenson, Jennifer J., Swift, Margaret, Thomas, Peter A., Uriarte, Maria, Vacchiano, Giorgio, Whipple, Amy V., Whitham, Thomas G., Wion, Andreas P., Wright, S. Joseph, Zhu, Kai, Zimmerman, Jess K., Zywiec, Magdalena, and Clark, James S.

Published
2023
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11. The CV is dead, long live the CV!

Author

Jean R. Lobry, Marie‐Claude Bel‐Venner, Michał Bogdziewicz, Andrew Hacket‐Pain, and Samuel Venner

Subjects
Kvålseth's coefficient of variation, masting, MASTREE+, Pearson's coefficient of variation, scale invariant statistics of variability, Ecology, QH540-549.5, Evolution, QH359-425
Abstract

Abstract Biology has an increasing need to reconsider the tools used to assess the variability of measurements, in addition to their central tendency. More than 100 years after Pearson's publication, most biologists still use the “good old” Pearson's coefficient of variation, PCV, despite its documented flaws such as sensitivity to excess zero values and/or irrelevant low mean values, which may compromise its use in some biological applications. A new statistic was developed in 2017 by Kvålseth, KCV, which is easy to implement. Unlike PCV, KCV is bounded (between 0 and 1), and it can be computed from PCV, ensuring backward compatibility with past studies. In addition to simulated data, we used the recent MASTREE+ database comprising the time series of the fruiting dynamics of perennial plants worldwide to compare the properties of PCV and KCV. Using as a benchmark the loose hump‐shaped relationship between the interannual variability of fruiting and latitude, KCV led to significant increase in statistical power as it required almost half as many time series as PCV to detect the relationship. Perhaps most importantly, simulated data showed that KCV allows huge reductions in the length of time series required to estimate the population true variability, saving more than half the duration of long‐term monitoring if fruiting fluctuations are very large, which is common in perennial plant species. Compared to the widely used PCV, KCV has great accuracy for estimating and analysing variability in biology, while strongly increasing statistical power. Selecting appropriate tools to assess the variability of measurements is crucial, particularly where the variability is of primary biological interest. Using Kvålseth's KCV is a promising avenue to circumvent the well‐known issues of the former Pearson’ PCV, its properties remain to be explored in other fields of biology, for purposes other than purely statistical ones (e.g. estimating heritability or evolvability of traits).

Published
2023
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17. Reconstruction of Araucaria araucana cone production reveals warming intensifies regionally synchronized masting.

Author

Hacket‐Pain, Andrew, Roig, Fidel A., Ascoli, Davide, LeQuesne, Carlos, and Hadad, Martin

Subjects
REGENERATION (Botany), TRICUSPID valve surgery, ENDANGERED species, DENDROCHRONOLOGY, CLIMATE change
Abstract

The reproduction of many long‐lived plants is highly variable and synchronized, known as masting. Masting is a key driver of plant regeneration dynamics and has cascading effects on food webs and carbon and nutrient fluxes through ecosystems. Masting patterns can respond to changes in climate, but natural long‐term variability in masting behavior (i.e., baseline variability) is poorly understood. Here we use tree‐rings to create a four‐century reconstruction of annual cone production to uncover centennial‐scale evolution in masting of Araucaria araucana, a dioecious masting species in South America. Over the last four decades, direct observations of annual cone production in this species revealed remarkable range‐wide synchrony of masting. Our tree‐ring‐based reconstruction places this in a long‐term context, revealing that intense regional masting is not a consistent feature of A. araucana reproduction. For extensive periods over the last four centuries, masting has been a site‐specific phenomenon, with variability in cone production that was not regionally synchronized. Comparison with regional climate reconstructions indicates that regional synchrony of masting varies with regional temperature trends, including during recent decades. During warmer periods, synchrony is enhanced, and during cooler periods, regional synchrony breaks down. These dynamics have implications for understanding the reproduction of this iconic and endangered tree species and provide evidence of long‐term linkages between climate change and masting behavior. Our study demonstrates the potential for novel tree‐ring‐based reconstructions of masting to reveal crucial insights into baseline variability and the response of masting to climate change. [ABSTRACT FROM AUTHOR]

Published
2024
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18. Limits to reproduction and seed size-number trade-offs that shape forest dominance and future recovery

Author

Tong Qiu, Robert Andrus, Marie-Claire Aravena, Davide Ascoli, Yves Bergeron, Roberta Berretti, Daniel Berveiller, Michal Bogdziewicz, Thomas Boivin, Raul Bonal, Don C. Bragg, Thomas Caignard, Rafael Calama, J. Julio Camarero, Chia-Hao Chang-Yang, Natalie L. Cleavitt, Benoit Courbaud, Francois Courbet, Thomas Curt, Adrian J. Das, Evangelia Daskalakou, Hendrik Davi, Nicolas Delpierre, Sylvain Delzon, Michael Dietze, Sergio Donoso Calderon, Laurent Dormont, Josep Espelta, Timothy J. Fahey, William Farfan-Rios, Catherine A. Gehring, Gregory S. Gilbert, Georg Gratzer, Cathryn H. Greenberg, Qinfeng Guo, Andrew Hacket-Pain, Arndt Hampe, Qingmin Han, Janneke Hille Ris Lambers, Kazuhiko Hoshizaki, Ines Ibanez, Jill F. Johnstone, Valentin Journé, Daisuke Kabeya, Christopher L. Kilner, Thomas Kitzberger, Johannes M. H. Knops, Richard K. Kobe, Georges Kunstler, Jonathan G. A. Lageard, Jalene M. LaMontagne, Mateusz Ledwon, Francois Lefevre, Theodor Leininger, Jean-Marc Limousin, James A. Lutz, Diana Macias, Eliot J. B. McIntire, Christopher M. Moore, Emily Moran, Renzo Motta, Jonathan A. Myers, Thomas A. Nagel, Kyotaro Noguchi, Jean-Marc Ourcival, Robert Parmenter, Ian S. Pearse, Ignacio M. Perez-Ramos, Lukasz Piechnik, John Poulsen, Renata Poulton-Kamakura, Miranda D. Redmond, Chantal D. Reid, Kyle C. Rodman, Francisco Rodriguez-Sanchez, Javier D. Sanguinetti, C. Lane Scher, William H. Schlesinger, Harald Schmidt Van Marle, Barbara Seget, Shubhi Sharma, Miles Silman, Michael A. Steele, Nathan L. Stephenson, Jacob N. Straub, I-Fang Sun, Samantha Sutton, Jennifer J. Swenson, Margaret Swift, Peter A. Thomas, Maria Uriarte, Giorgio Vacchiano, Thomas T. Veblen, Amy V. Whipple, Thomas G. Whitham, Andreas P. Wion, Boyd Wright, S. Joseph Wright, Kai Zhu, Jess K. Zimmerman, Roman Zlotin, Magdalena Zywiec, and James S. Clark

Subjects
Science
Abstract

The relationships that control seed production in trees are key to understand evolutionary pressures that have shaped forests. A global synthesis of fecundity data reveals that while seed production is not constrained by a strict size-number trade-off, it is influenced by taxonomy and nutrient allocation.

Published
2022
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19. Jet stream position explains regional anomalies in European beech forest productivity and tree growth

Author

Isabel Dorado-Liñán, Blanca Ayarzagüena, Flurin Babst, Guobao Xu, Luis Gil, Giovanna Battipaglia, Allan Buras, Vojtěch Čada, J. Julio Camarero, Liam Cavin, Hugues Claessens, Igor Drobyshev, Balázs Garamszegi, Michael Grabner, Andrew Hacket-Pain, Claudia Hartl, Andrea Hevia, Pavel Janda, Alistair S. Jump, Marko Kazimirovic, Srdjan Keren, Juergen Kreyling, Alexander Land, Nicolas Latte, Tom Levanič, Ernst van der Maaten, Marieke van der Maaten-Theunissen, Elisabet Martínez-Sancho, Annette Menzel, Martin Mikoláš, Renzo Motta, Lena Muffler, Paola Nola, Momchil Panayotov, Any Mary Petritan, Ion Catalin Petritan, Ionel Popa, Peter Prislan, Catalin-Constantin Roibu, Miloš Rydval, Raul Sánchez-Salguero, Tobias Scharnweber, Branko Stajić, Miroslav Svoboda, Willy Tegel, Marius Teodosiu, Elvin Toromani, Volodymyr Trotsiuk, Daniel-Ond Turcu, Robert Weigel, Martin Wilmking, Christian Zang, Tzvetan Zlatanov, and Valerie Trouet

Subjects
Science
Abstract

Here the authors show that extremes in the summer jet stream position over Europe create a beech forest productivity dipole between northwestern and southeastern Europe and can result in regional anomalies in forest carbon uptake and growth.

Published
2022
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20. Climate-change-driven growth decline of European beech forests

Author

Edurne Martinez del Castillo, Christian S. Zang, Allan Buras, Andrew Hacket-Pain, Jan Esper, Roberto Serrano-Notivoli, Claudia Hartl, Robert Weigel, Stefan Klesse, Victor Resco de Dios, Tobias Scharnweber, Isabel Dorado-Liñán, Marieke van der Maaten-Theunissen, Ernst van der Maaten, Alistair Jump, Sjepan Mikac, Bat-Enerel Banzragch, Wolfgang Beck, Liam Cavin, Hugues Claessens, Vojtěch Čada, Katarina Čufar, Choimaa Dulamsuren, Jozica Gričar, Eustaquio Gil-Pelegrín, Pavel Janda, Marko Kazimirovic, Juergen Kreyling, Nicolas Latte, Christoph Leuschner, Luis Alberto Longares, Annette Menzel, Maks Merela, Renzo Motta, Lena Muffler, Paola Nola, Any Mary Petritan, Ion Catalin Petritan, Peter Prislan, Álvaro Rubio-Cuadrado, Miloš Rydval, Branko Stajić, Miroslav Svoboda, Elvin Toromani, Volodymyr Trotsiuk, Martin Wilmking, Tzvetan Zlatanov, and Martin de Luis

Subjects
Biology (General), QH301-705.5
Abstract

Tree ring data from a network of beech tree stands across Europe show evidence for a recent growth decline from 1986-2016 and project up to 50% growth reductions in some areas of Europe with future climate change.

Published
2022
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27. No systematic effects of sampling direction on climate-growth relationships in a large-scale, multi-species tree-ring data set

Author

Gut, Urs, Árvai, Mátyás, Bijak, Szymon, Camarero, J. Julio, Cedro, Anna, Cruz-García, Roberto, Garamszegi, Balázs, Hacket-Pain, Andrew, Hevia, Andrea, Huang, Weiwei, Isaac-Renton, Miriam, Kaczka, Ryszard J., Kazimirović, Marko, Kędziora, Wojciech, Kern, Zoltán, Klisz, Marcin, Kolář, Tomáš, Körner, Michael, Kuznetsova, Veronica, Montwé, David, Petritan, Any Mary, Petritan, Ion Catalin, Plavcová, Lenka, Rehschuh, Romy, Rocha, Eva, Rybníček, Michal, Sánchez-Salguero, Raúl, Schröder, Jens, Schwab, Niels, Stajić, Branko, Tomusiak, Robert, Wilmking, Martin, Sass-Klaassen, Ute, and Buras, Allan

Published
2019
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28. Masting is uncommon in trees that depend on mutualist dispersers in the context of global climate and fertility gradients

Author

National Science Foundation (US), Belmont Forum, NASA Astrobiology Institute (US), Pennsylvania State University, Gordon and Betty Moore Foundation, Polish Academy of Sciences, Junta de Andalucía, European Commission, US Forest Service, Qiu, Tong [0000-0003-4499-437X], Aravena, Marie-Claire [0000-0002-4493-4396], Ascoli, Davide [0000-0002-2671-5122], Bergeron, Yves [0000-0003-3707-3687], Bogdziewicz, Michal [0000-0002-6777-9034], Boivin, Thomas [0000-0003-1694-2425], Bonal, Raúl [0000-0002-6084-1771], Caignard, Thomas [0000-0001-5009-4613], Calama Sainz, Rafael Argimiro [0000-0002-2598-9594], Calderon, Sergio Donoso [0000-0002-6324-9351], Camarero, Jesús Julio [0000-0003-2436-2922], Chang-Yang, Chia-Hao [0000-0003-3635-4946], Chave, Jérôme [0000-0002-7766-1347], Chianucci, F. [0000-0002-5688-2060], Courbaud, Benoit [0000-0002-3050-9559], Cutini, A. [0000-0002-7033-2399], Das, Adrian J. [0000-0002-3937-2616], Delpierre, Nicolas [0000-0003-0906-9402], Delzon, Sylvain [0000-0003-3442-1711], Dietze, Michael [0000-0002-2324-2518], Dormont, Laurent [0000-0002-2021-0625], Espelta, Josep Maria [0000-0002-0242-4988], Fahey, Timothy J. [0000-0003-1283-1162], Farfan-Rios, William [0000-0002-3196-0317], Gehring, Catherine [0000-0002-9393-9556], Gilbert, Gregory S. [0000-0002-5195-9903], Gratzer, Georg [0000-0002-6355-6562], Greenberg, Cathryn H. [0000-0002-2831-0989], Guignabert, Arthur [0000-0002-1512-6760], Guo, Qinfeng [0000-0002-4375-4916], Hacket-Pain, Andrew [0000-0003-3676-1568], Hampe, Arndt [0000-0003-2551-9784], Han, Qingmin [0000-0001-6063-6068], Holik, Jan [0000-0002-7949-9689], Hoshizaki, Kazuhiko [0000-0001-7654-9129], Ibáñez, Inés [0000-0002-1054-0727], Johnstone, Jill F. [0000-0001-6131-9339], Journé, Valentin [0000-0001-7324-7002], Kitzberger, T. [0000-0002-9754-4121], Knops, Johannes M.H. [0000-0002-9647-9209], Kunstler, Georges [0000-0002-2544-1940], Kurokawa, Hiroko [0000-0001-8778-8045], Lageard, Jonathan G. A. [0000-0001-8971-0444], LaMontagne, Jalene M. [0000-0001-7713-8591], Lefèvre, François [0000-0003-2242-7251], Leininger, Theodor [0000-0002-4939-3656], Limousin, Jean-Marc [0000-0002-2734-2495], Lutz, James A. [0000-0002-2560-0710], Marell, Anders [0000-0002-3328-4834], McIntire, Eliot J B [0000-0002-6914-8316], Moore, Christopher M. [0000-0001-5783-9833], Moran, Emily [0000-0003-4624-1910], Motta, Renzo [0000-0002-1631-3840], Myers, Jonathan A. [0000-0002-2058-8468], Nagel, Thomas A. [0000-0002-4207-9218], Naoe, Shoji [0000-0002-0605-4187], Noguchi, Mahoko [0000-0002-3393-5131], Oguro, Michio [0000-0003-0974-7971], Parmenter, Robert [0000-0002-2099-6824], Pearse, Ian S. [0000-0001-7098-0495], Pérez-Ramos, Ignacio Manuel [0000-0003-2332-7818], Piechnik, Lukasz [0000-0002-3958-7393], Podgórski, Tomasz [0000-0001-6858-7838], Poulsen, John [0000-0002-1532-9808], Redmond, Miranda D. [0000-0002-4657-7943], Reid, Chantal D. [0000-0002-3811-4076], Rodman, Kyle C. [0000-0001-9538-8412], Rodríguez-Sánchez, Francisco [0000-0002-7981-1599], Šamonil, Pavel [0000-0002-7722-8797], Seget, Barbara [0000-0002-7872-926X], Silman, Miles [0000-0003-4152-2844], Stephenson, Nathan L. [0000-0003-0208-7229], Straub, Jacob N. [0009-0000-3720-7564], Swenson, Jennifer [0000-0002-2069-667X], Swift, Margaret [0000-0001-7913-1879], Thomas, Peter A. [0000-0003-3115-3301], Uriarte, María [0000-0002-0484-0758], Vacchiano, Giorgio [0000-0001-8100-0659], Whipple, Amy V. [0000-0003-3956-7832], Whitham, Thomas G. [0000-0002-1262-4342], Wion, Andreas P. [0000-0002-0701-2843], Wright, S. Joseph [0000-0003-4260-5676], Zhu, Kai [0000-0003-1587-3317], Zimmerman, Jess K. [0000-0002-8179-0731], Zywiec, Magdalena [0000-0002-5992-4051], Clark, James S. [0000-0002-5677-9733], Qiu, Tong, Aravena, Marie-Claire, Ascoli, Davide, Bergeron, Yves, Bogdziewicz, Michal, Boivin, Thomas, Bonal, Raúl, Caignard, Thomas, Cailleret, Maxime, Calama Sainz, Rafael Argimiro, Calderon, Sergio Donoso, Camarero, Jesús Julio, Chang-Yang, Chia-Hao, Chave, Jérôme, Chianucci, F., Courbaud, Benoit, Cutini, A., Das, Adrian J., Delpierre, Nicolas, Delzon, Sylvain, Dietze, Michael, Dormont, Laurent, Espelta, Josep María, Fahey, Timothy J., Farfan-Rios, William, Franklin, Jerry F., Gehring, Catherine, Gilbert, Gregory S., Gratzer, Georg, Greenberg, Cathryn H., Guignabert, Arthur, Guo, Qinfeng, Hacket-Pain, Andrew, Hampe, Arndt, Han, Qingmin, Holik, Jan, Hoshizaki, Kazuhiko, Ibáñez, Inés, Johnstone, Jill F., Journé, Valentin, Kitzberger, Thomas, Knops, Johannes M. H., Kunstler, Georges, Kurokawa, Hiroko, Lageard, Jonathan G. A., LaMontagne, Jalene M., Lefèvre, François, Leininger, Theodor, Limousin, Jean-Marc, Lutz, James A., Macías, Diana, Marell, Anders, McIntire, Eliot J B, Moore, Christopher M., Moran, Emily, Motta, Renzo, Myers, Jonathan A., Nagel, Thomas A., Naoe, Shoji, Noguchi, Mahoko, Oguro, Michio, Parmenter, Robert, Pearse, Ian S., Pérez-Ramos, Ignacio Manuel, Piechnik, Lukasz, Podgórski, Tomasz, Poulsen, John, Redmond, Miranda D., Reid, Chantal D., Rodman, Kyle C., Rodríguez-Sánchez, Francisco, Šamonil, Pavel, Sanguinetti, Javier D., Scher, C. Lane, Seget, Barbara, Sharma, Shubhi, Shibata, M., Silman, Miles, Steele, Michael A., Stephenson, Nathan L., Straub, Jacob N., Sutton, Samantha, Swenson, Jennifer, Swift, Margaret, Thomas, Peter A., Uriarte, María, Vacchiano, Giorgio, Whipple, Amy V., Whitham, Thomas G., Wion, Andreas P., Wright, S. Joseph, Zhu, Kai, Zimmerman, Jess K., Zywiec, Magdalena, Clark, James S., National Science Foundation (US), Belmont Forum, NASA Astrobiology Institute (US), Pennsylvania State University, Gordon and Betty Moore Foundation, Polish Academy of Sciences, Junta de Andalucía, European Commission, US Forest Service, Qiu, Tong [0000-0003-4499-437X], Aravena, Marie-Claire [0000-0002-4493-4396], Ascoli, Davide [0000-0002-2671-5122], Bergeron, Yves [0000-0003-3707-3687], Bogdziewicz, Michal [0000-0002-6777-9034], Boivin, Thomas [0000-0003-1694-2425], Bonal, Raúl [0000-0002-6084-1771], Caignard, Thomas [0000-0001-5009-4613], Calama Sainz, Rafael Argimiro [0000-0002-2598-9594], Calderon, Sergio Donoso [0000-0002-6324-9351], Camarero, Jesús Julio [0000-0003-2436-2922], Chang-Yang, Chia-Hao [0000-0003-3635-4946], Chave, Jérôme [0000-0002-7766-1347], Chianucci, F. [0000-0002-5688-2060], Courbaud, Benoit [0000-0002-3050-9559], Cutini, A. [0000-0002-7033-2399], Das, Adrian J. [0000-0002-3937-2616], Delpierre, Nicolas [0000-0003-0906-9402], Delzon, Sylvain [0000-0003-3442-1711], Dietze, Michael [0000-0002-2324-2518], Dormont, Laurent [0000-0002-2021-0625], Espelta, Josep Maria [0000-0002-0242-4988], Fahey, Timothy J. [0000-0003-1283-1162], Farfan-Rios, William [0000-0002-3196-0317], Gehring, Catherine [0000-0002-9393-9556], Gilbert, Gregory S. [0000-0002-5195-9903], Gratzer, Georg [0000-0002-6355-6562], Greenberg, Cathryn H. [0000-0002-2831-0989], Guignabert, Arthur [0000-0002-1512-6760], Guo, Qinfeng [0000-0002-4375-4916], Hacket-Pain, Andrew [0000-0003-3676-1568], Hampe, Arndt [0000-0003-2551-9784], Han, Qingmin [0000-0001-6063-6068], Holik, Jan [0000-0002-7949-9689], Hoshizaki, Kazuhiko [0000-0001-7654-9129], Ibáñez, Inés [0000-0002-1054-0727], Johnstone, Jill F. [0000-0001-6131-9339], Journé, Valentin [0000-0001-7324-7002], Kitzberger, T. [0000-0002-9754-4121], Knops, Johannes M.H. [0000-0002-9647-9209], Kunstler, Georges [0000-0002-2544-1940], Kurokawa, Hiroko [0000-0001-8778-8045], Lageard, Jonathan G. A. [0000-0001-8971-0444], LaMontagne, Jalene M. [0000-0001-7713-8591], Lefèvre, François [0000-0003-2242-7251], Leininger, Theodor [0000-0002-4939-3656], Limousin, Jean-Marc [0000-0002-2734-2495], Lutz, James A. [0000-0002-2560-0710], Marell, Anders [0000-0002-3328-4834], McIntire, Eliot J B [0000-0002-6914-8316], Moore, Christopher M. [0000-0001-5783-9833], Moran, Emily [0000-0003-4624-1910], Motta, Renzo [0000-0002-1631-3840], Myers, Jonathan A. [0000-0002-2058-8468], Nagel, Thomas A. [0000-0002-4207-9218], Naoe, Shoji [0000-0002-0605-4187], Noguchi, Mahoko [0000-0002-3393-5131], Oguro, Michio [0000-0003-0974-7971], Parmenter, Robert [0000-0002-2099-6824], Pearse, Ian S. [0000-0001-7098-0495], Pérez-Ramos, Ignacio Manuel [0000-0003-2332-7818], Piechnik, Lukasz [0000-0002-3958-7393], Podgórski, Tomasz [0000-0001-6858-7838], Poulsen, John [0000-0002-1532-9808], Redmond, Miranda D. [0000-0002-4657-7943], Reid, Chantal D. [0000-0002-3811-4076], Rodman, Kyle C. [0000-0001-9538-8412], Rodríguez-Sánchez, Francisco [0000-0002-7981-1599], Šamonil, Pavel [0000-0002-7722-8797], Seget, Barbara [0000-0002-7872-926X], Silman, Miles [0000-0003-4152-2844], Stephenson, Nathan L. [0000-0003-0208-7229], Straub, Jacob N. [0009-0000-3720-7564], Swenson, Jennifer [0000-0002-2069-667X], Swift, Margaret [0000-0001-7913-1879], Thomas, Peter A. [0000-0003-3115-3301], Uriarte, María [0000-0002-0484-0758], Vacchiano, Giorgio [0000-0001-8100-0659], Whipple, Amy V. [0000-0003-3956-7832], Whitham, Thomas G. [0000-0002-1262-4342], Wion, Andreas P. [0000-0002-0701-2843], Wright, S. Joseph [0000-0003-4260-5676], Zhu, Kai [0000-0003-1587-3317], Zimmerman, Jess K. [0000-0002-8179-0731], Zywiec, Magdalena [0000-0002-5992-4051], Clark, James S. [0000-0002-5677-9733], Qiu, Tong, Aravena, Marie-Claire, Ascoli, Davide, Bergeron, Yves, Bogdziewicz, Michal, Boivin, Thomas, Bonal, Raúl, Caignard, Thomas, Cailleret, Maxime, Calama Sainz, Rafael Argimiro, Calderon, Sergio Donoso, Camarero, Jesús Julio, Chang-Yang, Chia-Hao, Chave, Jérôme, Chianucci, F., Courbaud, Benoit, Cutini, A., Das, Adrian J., Delpierre, Nicolas, Delzon, Sylvain, Dietze, Michael, Dormont, Laurent, Espelta, Josep María, Fahey, Timothy J., Farfan-Rios, William, Franklin, Jerry F., Gehring, Catherine, Gilbert, Gregory S., Gratzer, Georg, Greenberg, Cathryn H., Guignabert, Arthur, Guo, Qinfeng, Hacket-Pain, Andrew, Hampe, Arndt, Han, Qingmin, Holik, Jan, Hoshizaki, Kazuhiko, Ibáñez, Inés, Johnstone, Jill F., Journé, Valentin, Kitzberger, Thomas, Knops, Johannes M. H., Kunstler, Georges, Kurokawa, Hiroko, Lageard, Jonathan G. A., LaMontagne, Jalene M., Lefèvre, François, Leininger, Theodor, Limousin, Jean-Marc, Lutz, James A., Macías, Diana, Marell, Anders, McIntire, Eliot J B, Moore, Christopher M., Moran, Emily, Motta, Renzo, Myers, Jonathan A., Nagel, Thomas A., Naoe, Shoji, Noguchi, Mahoko, Oguro, Michio, Parmenter, Robert, Pearse, Ian S., Pérez-Ramos, Ignacio Manuel, Piechnik, Lukasz, Podgórski, Tomasz, Poulsen, John, Redmond, Miranda D., Reid, Chantal D., Rodman, Kyle C., Rodríguez-Sánchez, Francisco, Šamonil, Pavel, Sanguinetti, Javier D., Scher, C. Lane, Seget, Barbara, Sharma, Shubhi, Shibata, M., Silman, Miles, Steele, Michael A., Stephenson, Nathan L., Straub, Jacob N., Sutton, Samantha, Swenson, Jennifer, Swift, Margaret, Thomas, Peter A., Uriarte, María, Vacchiano, Giorgio, Whipple, Amy V., Whitham, Thomas G., Wion, Andreas P., Wright, S. Joseph, Zhu, Kai, Zimmerman, Jess K., Zywiec, Magdalena, and Clark, James S.

Abstract

The benefits of masting (volatile, quasi-synchronous seed production at lagged intervals) include satiation of seed predators, but these benefits come with a cost to mutualist pollen and seed dispersers. If the evolution of masting represents a balance between these benefits and costs, we expect mast avoidance in species that are heavily reliant on mutualist dispersers. These effects play out in the context of variable climate and site fertility among species that vary widely in nutrient demand. Meta-analyses of published data have focused on variation at the population scale, thus omitting periodicity within trees and synchronicity between trees. From raw data on 12 million tree-years worldwide, we quantified three components of masting that have not previously been analysed together: (i) volatility, defined as the frequency-weighted year-to-year variation; (ii) periodicity, representing the lag between high-seed years; and (iii) synchronicity, indicating the tree-to-tree correlation. Results show that mast avoidance (low volatility and low synchronicity) by species dependent on mutualist dispersers explains more variation than any other effect. Nutrient-demanding species have low volatility, and species that are most common on nutrient-rich and warm/wet sites exhibit short periods. The prevalence of masting in cold/dry sites coincides with climatic conditions where dependence on vertebrate dispersers is less common than in the wet tropics. Mutualist dispersers neutralize the benefits of masting for predator satiation, further balancing the effects of climate, site fertility and nutrient demands.

Published
2023

29. How to measure mast seeding?

Author

Polish National Agency for Academic Exchange, Bogdziewicz, Michal [0000-0002-6777-9034], Calama Sainz, Rafael Argimiro [0000-0002-2598-9594], Courbaud, Benoit [0000-0002-3050-9559], Espelta, Josep Maria [0000-0002-0242-4988], Hacket-Pain, Andrew [0000-0003-3676-1568], Journé, Valentin [0000-0001-7324-7002], Kunstler, Georges [0000-0002-2544-1940], Qiu, Tong [0000-0003-4499-437X], Zywiec, Magdalena [0000-0002-5992-4051], Clark, James S. [0000-0002-5677-9733], Bogdziewicz, Michal, Calama Sainz, Rafael Argimiro, Courbaud, Benoit, Espelta, Josep Maria, Hacket-Pain, Andrew, Journé, Valentin, Kunstler, Georges, Steele, Michael A., Qiu, Tong, Zywiec, Magdalena, Clark, James S., Polish National Agency for Academic Exchange, Bogdziewicz, Michal [0000-0002-6777-9034], Calama Sainz, Rafael Argimiro [0000-0002-2598-9594], Courbaud, Benoit [0000-0002-3050-9559], Espelta, Josep Maria [0000-0002-0242-4988], Hacket-Pain, Andrew [0000-0003-3676-1568], Journé, Valentin [0000-0001-7324-7002], Kunstler, Georges [0000-0002-2544-1940], Qiu, Tong [0000-0003-4499-437X], Zywiec, Magdalena [0000-0002-5992-4051], Clark, James S. [0000-0002-5677-9733], Bogdziewicz, Michal, Calama Sainz, Rafael Argimiro, Courbaud, Benoit, Espelta, Josep Maria, Hacket-Pain, Andrew, Journé, Valentin, Kunstler, Georges, Steele, Michael A., Qiu, Tong, Zywiec, Magdalena, and Clark, James S.

Abstract

The periodic production of large seed crops, or masting, is a widespread phenomenon in perennial plants. This behavior can enhance the reproductive efficiency of plants, leading to increased fitness, and produce ripple effects on food webs. While variability from year to year is a defining characteristic of masting, the methods used to quantify this variability are highly debated. The commonly used coefficient of variation lacks the ability to account for the serial dependence in mast data and can be influenced by zeros, making it a less suitable choice for various applications based on individual-level observations, such as phenotypic selection, heritability, and climate change studies, which rely on individual-plant-level datasets that often contain numerous zeros. To address these limitations, we present three case studies and introduce volatility and periodicity, which account for the variance in the frequency domain by emphasizing the significance of long intervals in masting. By utilizing examples of Sorbus aucuparia, Pinus pinea, Quercus robur, Quercus pubescens, and Fagus sylvatica, we demonstrate how volatility captures the effects of variance at both high and low frequencies, even in the presence of zeros, leading to improved ecological interpretations of the results. The growing availability of long-term, individual-plant datasets promises significant advancements in the field, but requires appropriate tools for analysis, which the new metrics provide.

Published
2023

30. Linking seed size and number to trait syndromes in trees

Author

National Science Foundation (US), Belmont Forum, NASA Astrobiology Institute (US), Gordon and Betty Moore Foundation, National Science Centre (Poland), Polish National Agency for Academic Exchange, US Forest Service, Bogdziewicz, Michal [0000-0002-6777-9034], Aravena, Marie-Claire [0000-0002-4493-4396], Andrus, Robert [0000-0003-0968-8377], Ascoli, Davide [0000-0002-0546-4467], Bergeron, Yves [0000-0003-3707-3687], Bonal, Raul [0000-0002-6084-1771], Caignard, Thomas [0000-0001-5009-4613], Calama, Rafael [0000-0002-2598-9594], Calderon, Sergio Donoso [0000-0002-4599-4702], Camarero, J Julio [0000-0003-2436-2922], Chang-Yang, Chia-Hao [0000-0003-3635-4946], Cleavitt, Natalie L [0000-0003-0425-2486], Courbaud, Benoit [0000-0002-3050-9559], Curt, Thomas [0000-0002-2654-3009], Davi, Hendrik [0000-0001-8828-3145], Delpierre, Nicolas [0000-0003-0906-9402], Delzon, Sylvain [0000-0003-3442-1711], Dietze, Michael [0000-0002-2324-2518], Dormont, Laurent [0000-0002-2021-0625], Farfan-Rios, William [0000-0002-3196-0317], Gehring, Catherine [0000-0002-9393-9556], Gilbert, Gregory S. [0000-0002-5195-9903], Gratzer, Georg [0000-0002-6355-6562], Greenberg, Cathryn H. [0000-0002-2831-0989], Guignabert, Arthur [0000-0002-1512-6760], Guo,Qinfeng [0000-0002-4375-4916], Hacket-Pain, Andrew [0000-0003-3676-1568], Hampe, Arndt [0000-0003-2551-9784], Han, Qingmin [0000-0001-6063-6068], Hoshizaki, Kazuhiko [0000-0001-7654-9129], Ibáñez, Inés [0000-0002-1054-0727], Johnstone, Jill F. [0000-0001-6131-9339], Journé, Valentin [0000-0001-7324-7002], Kitzberger, Thomas [0000-0002-9754-4121], Knops, Johannes M. H. [0000-0002-9647-9209], Kunstler, Georges [0000-0002-2544-1940], Kobe, Richard K. [0000-0002-0943-9613], Lageard, Jonathan G. A. [0000-0001-8971-0444], LaMontagne, Jalene M. [0000-0001-7713-8591], Ledwon, Mateusz [0000-0003-3017-6376], Leininger, Theodor [0000-0002-4939-3656], Limousin, Jean-Marc [0000-0002-2734-2495], Lutz, James A. [0000-0002-2560-0710], Moran, Emily [0000-0003-4624-1910], Motta, Renzo [0000-0002-1631-3840], Myers, Jonathan A. [0000-0002-2058-8468], Nagel, Thomas A. [0000-0002-4207-9218], Shoji, N. [0000-0002-0605-4187], Michio Oguro, Mahoko Noguchi [0000-0002-3393-5131], Ourcival, Jean-Marc [0000-0002-3557-3496], Parmenter, Robert [0000-0002-2099-6824], Perez-Ramos, Ignacio M. [0000-0003-2332-7818], Piechnik, Lukasz [0000-0002-3958-7393], Poulsen, John [0000-0002-1532-9808], Qiu, Tong [0000-0003-4499-437X], Redmond, Miranda D. [0000-0002-4657-7943], Reid, Chantal D. [0000-0002-3811-4076], Rodman, Kyle C. [0000-0001-9538-8412], Scher, C. Lane [0000-0003-3689-5769], Seget, Barbara [0000-0002-7872-926X], Silman, Miles [0000-0003-4152-2844], Sun, I-Fang [0000-0001-9749-8324], Sutton, Samantha [0000-0002-1491-7763], Swenson, Jennifer J. [0000-0002-2069-667X], Thomas, Peter A. [0000-0003-3115-3301], Uriarte, Maria [0000-0002-0484-0758], Vacchiano, Giorgio [0000-0001-8100-0659], Veblen, Thomas T. [0000-0002-3037-640X], Wright, Boyd [0000-0002-6322-4904], Wright, S. Joseph [0000-0003-4260-5676], Zhu, Kai [0000-0003-1587-3317], Zimmerman, Jess K. [0000-0002-8179-0731], Zywiec, Magdalena [0000-0002-5992-4051], Bogdziewicz, Michal, Aravena, Marie-Claire, Andrus, Robert, Ascoli, Davide, Bergeron, Yves, Brveille, Daniel, Boivin, Thomas, Bonal, Raúl, Caignard, Thomas, Cailleret, Maxime, Calama Sainz, Rafael Argimiro, Calderon, Sergio Donoso, Camarero, Jesús Julio, Chang-Yang, Chia-Hao, Chave, Jérôme, Chianucci, F., Cleavitt, Natalie L, Courbaud, Benoit, Cutini, A., Curt, Thomas, Das, Adrian J., Davi, Hendrik, Delpierre, Nicolas, Delzon, Sylvain, Dietze, Michael, Dormont, Laurent, Farfan-Rios, William, Gehring, Catherine, Gilbert, Gregory S., Gratzer, Georg, Greenberg, Cathryn H., Guignabert, Arthur, Guo, Qinfeng, Hacket-Pain, Andrew, Hampe, Arndt, Han, Qingmin, Hoshizaki, Kazuhiko, Ibáñez, Inés, Johnstone, Jill F., Journé, Valentin, Kitzberger, Thomas, Knops, Johannes M. H., Kunstler, Georges, Kobe, Richard K., Lageard, Jonathan G. A., LaMontagne, Jalene M., Ledwon, Mateusz, Leininger, Theodor, Limousin, Jean-Marc, Lutz, James A., Macías, Diana, McIntire, Eliot J B, Moran, Emily, Motta, Renzo, Myers, Jonathan A., Nagel, Thomas A., Shoji, N., Michio Oguro, Mahoko Noguchi, Kurokawa, Hiroko, Ourcival, Jean-Marc, Parmenter, Robert, Pérez-Ramos, Ignacio Manuel, Piechnik, Lukasz, Poulsen, John, Podgórski, Tomasz, Qiu, Tong, Redmond, Miranda D., Reid, Chantal D., Rodman, Kyle C., Šamonil, Pavel, Holik, Jan, Scher, C. Lane, van Marle, Harald S., Seget, Barbara, Shibata, M., Sharma, Shubhi, Silman, Miles, Steele, Michael A., Straub, Jacob N., Sun, I-Fang, Sutton, Samantha, Swenson, Jennifer J., Thomas, Peter A., Uriarte, Maria, Vacchiano, Giorgio, Veblen, Thomas T., Wright, Boyd, Wright, S. Joseph, Whitham, Thomas G., Zhu, Kai, Zimmerman, Jess K., Zywiec, Magdalena, Clark, James S., National Science Foundation (US), Belmont Forum, NASA Astrobiology Institute (US), Gordon and Betty Moore Foundation, National Science Centre (Poland), Polish National Agency for Academic Exchange, US Forest Service, Bogdziewicz, Michal [0000-0002-6777-9034], Aravena, Marie-Claire [0000-0002-4493-4396], Andrus, Robert [0000-0003-0968-8377], Ascoli, Davide [0000-0002-0546-4467], Bergeron, Yves [0000-0003-3707-3687], Bonal, Raul [0000-0002-6084-1771], Caignard, Thomas [0000-0001-5009-4613], Calama, Rafael [0000-0002-2598-9594], Calderon, Sergio Donoso [0000-0002-4599-4702], Camarero, J Julio [0000-0003-2436-2922], Chang-Yang, Chia-Hao [0000-0003-3635-4946], Cleavitt, Natalie L [0000-0003-0425-2486], Courbaud, Benoit [0000-0002-3050-9559], Curt, Thomas [0000-0002-2654-3009], Davi, Hendrik [0000-0001-8828-3145], Delpierre, Nicolas [0000-0003-0906-9402], Delzon, Sylvain [0000-0003-3442-1711], Dietze, Michael [0000-0002-2324-2518], Dormont, Laurent [0000-0002-2021-0625], Farfan-Rios, William [0000-0002-3196-0317], Gehring, Catherine [0000-0002-9393-9556], Gilbert, Gregory S. [0000-0002-5195-9903], Gratzer, Georg [0000-0002-6355-6562], Greenberg, Cathryn H. [0000-0002-2831-0989], Guignabert, Arthur [0000-0002-1512-6760], Guo,Qinfeng [0000-0002-4375-4916], Hacket-Pain, Andrew [0000-0003-3676-1568], Hampe, Arndt [0000-0003-2551-9784], Han, Qingmin [0000-0001-6063-6068], Hoshizaki, Kazuhiko [0000-0001-7654-9129], Ibáñez, Inés [0000-0002-1054-0727], Johnstone, Jill F. [0000-0001-6131-9339], Journé, Valentin [0000-0001-7324-7002], Kitzberger, Thomas [0000-0002-9754-4121], Knops, Johannes M. H. [0000-0002-9647-9209], Kunstler, Georges [0000-0002-2544-1940], Kobe, Richard K. [0000-0002-0943-9613], Lageard, Jonathan G. A. [0000-0001-8971-0444], LaMontagne, Jalene M. [0000-0001-7713-8591], Ledwon, Mateusz [0000-0003-3017-6376], Leininger, Theodor [0000-0002-4939-3656], Limousin, Jean-Marc [0000-0002-2734-2495], Lutz, James A. [0000-0002-2560-0710], Moran, Emily [0000-0003-4624-1910], Motta, Renzo [0000-0002-1631-3840], Myers, Jonathan A. [0000-0002-2058-8468], Nagel, Thomas A. [0000-0002-4207-9218], Shoji, N. [0000-0002-0605-4187], Michio Oguro, Mahoko Noguchi [0000-0002-3393-5131], Ourcival, Jean-Marc [0000-0002-3557-3496], Parmenter, Robert [0000-0002-2099-6824], Perez-Ramos, Ignacio M. [0000-0003-2332-7818], Piechnik, Lukasz [0000-0002-3958-7393], Poulsen, John [0000-0002-1532-9808], Qiu, Tong [0000-0003-4499-437X], Redmond, Miranda D. [0000-0002-4657-7943], Reid, Chantal D. [0000-0002-3811-4076], Rodman, Kyle C. [0000-0001-9538-8412], Scher, C. Lane [0000-0003-3689-5769], Seget, Barbara [0000-0002-7872-926X], Silman, Miles [0000-0003-4152-2844], Sun, I-Fang [0000-0001-9749-8324], Sutton, Samantha [0000-0002-1491-7763], Swenson, Jennifer J. [0000-0002-2069-667X], Thomas, Peter A. [0000-0003-3115-3301], Uriarte, Maria [0000-0002-0484-0758], Vacchiano, Giorgio [0000-0001-8100-0659], Veblen, Thomas T. [0000-0002-3037-640X], Wright, Boyd [0000-0002-6322-4904], Wright, S. Joseph [0000-0003-4260-5676], Zhu, Kai [0000-0003-1587-3317], Zimmerman, Jess K. [0000-0002-8179-0731], Zywiec, Magdalena [0000-0002-5992-4051], Bogdziewicz, Michal, Aravena, Marie-Claire, Andrus, Robert, Ascoli, Davide, Bergeron, Yves, Brveille, Daniel, Boivin, Thomas, Bonal, Raúl, Caignard, Thomas, Cailleret, Maxime, Calama Sainz, Rafael Argimiro, Calderon, Sergio Donoso, Camarero, Jesús Julio, Chang-Yang, Chia-Hao, Chave, Jérôme, Chianucci, F., Cleavitt, Natalie L, Courbaud, Benoit, Cutini, A., Curt, Thomas, Das, Adrian J., Davi, Hendrik, Delpierre, Nicolas, Delzon, Sylvain, Dietze, Michael, Dormont, Laurent, Farfan-Rios, William, Gehring, Catherine, Gilbert, Gregory S., Gratzer, Georg, Greenberg, Cathryn H., Guignabert, Arthur, Guo, Qinfeng, Hacket-Pain, Andrew, Hampe, Arndt, Han, Qingmin, Hoshizaki, Kazuhiko, Ibáñez, Inés, Johnstone, Jill F., Journé, Valentin, Kitzberger, Thomas, Knops, Johannes M. H., Kunstler, Georges, Kobe, Richard K., Lageard, Jonathan G. A., LaMontagne, Jalene M., Ledwon, Mateusz, Leininger, Theodor, Limousin, Jean-Marc, Lutz, James A., Macías, Diana, McIntire, Eliot J B, Moran, Emily, Motta, Renzo, Myers, Jonathan A., Nagel, Thomas A., Shoji, N., Michio Oguro, Mahoko Noguchi, Kurokawa, Hiroko, Ourcival, Jean-Marc, Parmenter, Robert, Pérez-Ramos, Ignacio Manuel, Piechnik, Lukasz, Poulsen, John, Podgórski, Tomasz, Qiu, Tong, Redmond, Miranda D., Reid, Chantal D., Rodman, Kyle C., Šamonil, Pavel, Holik, Jan, Scher, C. Lane, van Marle, Harald S., Seget, Barbara, Shibata, M., Sharma, Shubhi, Silman, Miles, Steele, Michael A., Straub, Jacob N., Sun, I-Fang, Sutton, Samantha, Swenson, Jennifer J., Thomas, Peter A., Uriarte, Maria, Vacchiano, Giorgio, Veblen, Thomas T., Wright, Boyd, Wright, S. Joseph, Whitham, Thomas G., Zhu, Kai, Zimmerman, Jess K., Zywiec, Magdalena, and Clark, James S.

Abstract

Aim Our understanding of the mechanisms that maintain forest diversity under changing climate can benefit from knowledge about traits that are closely linked to fitness. We tested whether the link between traits and seed number and seed size is consistent with two hypotheses, termed the leaf economics spectrum and the plant size syndrome, or whether reproduction represents an independent dimension related to a seed size–seed number trade-off. Location Most of the data come from Europe, North and Central America and East Asia. A minority of the data come from South America, Africa and Australia. Time period 1960–2022. Major taxa studied Trees. Methods We gathered 12 million observations of the number of seeds produced in 784 tree species. We estimated the number of seeds produced by individual trees and scaled it up to the species level. Next, we used principal components analysis and generalized joint attribute modelling (GJAM) to map seed number and size on the tree traits spectrum. Results Incorporating seed size and number into trait analysis while controlling for environment and phylogeny with GJAM exposes relationships in trees that might otherwise remain hidden. Production of the large total biomass of seeds [product of seed number and seed size; hereafter, species seed productivity (SSP)] is associated with high leaf area, low foliar nitrogen, low specific leaf area (SLA) and dense wood. Production of high seed numbers is associated with small seeds produced by nutrient-demanding species with softwood, small leaves and high SLA. Trait covariation is consistent with opposing strategies: one fast-growing, early successional, with high dispersal, and the other slow-growing, stress-tolerant, that recruit in shaded conditions. Main conclusions Earth system models currently assume that reproductive allocation is indifferent among plant functional types. Easily measurable seed size is a strong predictor of the seed number and species seed productivity. The connectio

Published
2023

31. Tail‐dependence of masting synchrony results in continent‐wide seed scarcity.

Author

Szymkowiak, Jakub, Foest, Jessie, Hacket‐Pain, Andrew, Journé, Valentin, Ascoli, Davide, and Bogdziewicz, Michał

Subjects
PLANT reproduction, EUROPEAN beech, FOOD chains, SYNCHRONIC order, SEED industry
Abstract

Spatial synchrony may be tail‐dependent, meaning it is stronger for peaks rather than troughs, or vice versa. High interannual variation in seed production in perennial plants, called masting, can be synchronized at subcontinental scales, triggering extensive resource pulses or famines. We used data from 99 populations of European beech (Fagus sylvatica) to examine whether masting synchrony differs between mast peaks and years of seed scarcity. Our results revealed that seed scarcity occurs simultaneously across the majority of the species range, extending to populations separated by distances up to 1800 km. Mast peaks were spatially synchronized at distances up to 1000 km and synchrony was geographically concentrated in northeastern Europe. Extensive synchrony in the masting lower tail means that famines caused by beech seed scarcity are amplified by their extensive spatial synchrony, with diverse consequences for food web functioning and climate change biology. [ABSTRACT FROM AUTHOR]

Published
2024
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32. Ten-year assessment of the 100 priority questions for global biodiversity conservation

Author

Jucker, Tommaso, Wintle, Bonnie, Shackelford, Gorm, Bocquillon, Pierre, Geffert, Jan Laurens, Kasoar, Tim, Kovacs, Eszter, Mumby, Hannah S., Orland, Chloé, Schleicher, Judith, Tew, Eleanor R., Zabala, Aiora, Amano, Tatsuya, Bell, Alexandra, Bongalov, Boris, Chambers, Josephine M., Corrigan, Colleen, Durán, América P., Duvic-Paoli, Leslie-Anne, Emilson, Caroline, Emilson, Erik J.S., da Silva, Jéssica Fonseca, Garnett, Emma E., Green, Elizabeth J., Guth, Miriam K., Hacket-Pain, Andrew, Hinsley, Amy, Igea, Javier, Kunz, Martina, Luke, Sarah H., Lynam, William, Martin, Philip A., Nunes, Matheus H., Ockendon, Nancy, Pavitt, Aly, Payne, Charlotte L.R., Plutshack, Victoria, Rademacher, Tim T., Robertson, Rebecca J., Rose, David C., Serban, Anca, Simmons, Benno I., Tayleur, Catherine, Wordley, Claire F.R., and Mukherjee, Nibedita

Published
2018

36. A new approach for modeling delayed fire‐induced tree mortality

Author

Janet Maringer, Andrew Hacket‐Pain, Davide Ascoli, Matteo Garbarino, and Marco Conedera

Subjects
Cox proportional hazards model, Fagus sylvatica, fire ecology, fungi infestation, Kaplan–Meier estimator, novel disturbance, Ecology, QH540-549.5
Abstract

Abstract Global change is expanding the ecological niche of mixed‐severity fire regimes into ecosystems that have not usually been associated with wildfires, such as temperate forests and rainforests. In contrast to stand‐replacing fires, mixed‐severity fires may result in delayed tree mortality driven by secondary factors such as post‐fire environmental conditions. Because these effects vary as a function of time post‐fire, their study using commonly applied logistic regression models is challenging. Here, we propose overcoming this challenge through the application of time‐explicit survival models such as the Kaplan‐Meier (KM‐) estimator and the Cox proportional‐hazards (PH‐) model. We use data on tree mortality after mixed‐severity fires in beech forests to (1) illustrate temporal trends in the survival probabilities and the mortality hazard of beech, (2) estimate annual survival probabilities for different burn severities, and (3) consider driving factors with possible time‐dependent effects. Based on our results, we argue that the combination of KM‐estimator and Cox‐PH models have the potential of substantially improve the analysis of delayed post‐disturbance tree mortality by answering when and why tree mortality occurs. The results provide more specific information for implementing post‐fire management measures.

Published
2021
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39. Two centuries of masting data for European beech and Norway spruce across the European continent

Author

Ascoli, Davide, Maringer, Janet, Hacket-Pain, Andy, Conedera, Marco, Drobyshev, Igor, Motta, Renzo, Cirolli, Mara, Kantorowicz, Władysław, Zang, Christian, Schueler, Silvio, Croisé, Luc, Piussi, Pietro, Berretti, Roberta, Palaghianu, Ciprian, Westergren, Marjana, Lageard, Jonathan G. A., Burkart, Anton, Bichsel, Regula Gehrig, Thomas, Peter A., Beudert, Burkhard, Övergaard, Rolf, and Vacchiano, Giorgio

Published
2017

42. The CV is dead, long live the CV!

Author

Lobry, Jean R., primary, Bel‐Venner, Marie‐Claude, additional, Bogdziewicz, Michał, additional, Hacket‐Pain, Andrew, additional, and Venner, Samuel, additional

Published
2023
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44. Widespread breakdown in masting in European beech due to rising summer temperatures.

Author

Foest, Jessie J., Bogdziewicz, Michał, Pesendorfer, Mario B., Ascoli, Davide, Cutini, Andrea, Nussbaumer, Anita, Verstraeten, Arne, Beudert, Burkhard, Chianucci, Francesco, Mezzavilla, Francesco, Gratzer, Georg, Kunstler, Georges, Meesenburg, Henning, Wagner, Markus, Mund, Martina, Cools, Nathalie, Vacek, Stanislav, Schmidt, Wolfgang, Vacek, Zdeněk, and Hacket‐Pain, Andrew

Subjects
EUROPEAN beech, SEED crops, SEED viability, SEED industry, GRANIVORES, SEEDS, BEECH
Abstract

Climate change effects on tree reproduction are poorly understood, even though the resilience of populations relies on sufficient regeneration to balance increasing rates of mortality. Forest‐forming tree species often mast, i.e. reproduce through synchronised year‐to‐year variation in seed production, which improves pollination and reduces seed predation. Recent observations in European beech show, however, that current climate change can dampen interannual variation and synchrony of seed production and that this masting breakdown drastically reduces the viability of seed crops. Importantly, it is unclear under which conditions masting breakdown occurs and how widespread breakdown is in this pan‐European species. Here, we analysed 50 long‐term datasets of population‐level seed production, sampled across the distribution of European beech, and identified increasing summer temperatures as the general driver of masting breakdown. Specifically, increases in site‐specific mean maximum temperatures during June and July were observed across most of the species range, while the interannual variability of population‐level seed production (CVp) decreased. The declines in CVp were greatest, where temperatures increased most rapidly. Additionally, the occurrence of crop failures and low seed years has decreased during the last four decades, signalling altered starvation effects of masting on seed predators. Notably, CVp did not vary among sites according to site mean summer temperature. Instead, masting breakdown occurs in response to warming local temperatures (i.e. increasing relative temperatures), such that the risk is not restricted to populations growing in warm average conditions. As lowered CVp can reduce viable seed production despite the overall increase in seed count, our results warn that a covert mechanism is underway that may hinder the regeneration potential of European beech under climate change, with great potential to alter forest functioning and community dynamics. [ABSTRACT FROM AUTHOR]

Published
2024
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45. How to measure mast seeding?

Author

Michal Bogdziewicz, Rafael Calama, Benoit Courbaud, Josep M. Espelta, Andrew Hacket‐Pain, Valentin Journé, Georges Kunstler, Michael Steele, Tong Qiu, Magdalena Zywiec, James S. Clark, Polish National Agency for Academic Exchange, Bogdziewicz, Michal, Calama Sainz, Rafael Argimiro, Courbaud, Benoit, Espelta, Josep Maria, Hacket-Pain, Andrew, Journé, Valentin, Kunstler, Georges, Qiu, Tong, Zywiec, Magdalena, and Clark, James S.

Subjects
Masting breakdown, Seed production, Physiology, Phenotypic selection, Volatility, Plant Science, Reproductive variation
Abstract

9 Pág., The periodic production of large seed crops, or masting, is a widespread phenomenon in perennial plants. This behavior can enhance the reproductive efficiency of plants, leading to increased fitness, and produce ripple effects on food webs. While variability from year to year is a defining characteristic of masting, the methods used to quantify this variability are highly debated. The commonly used coefficient of variation lacks the ability to account for the serial dependence in mast data and can be influenced by zeros, making it a less suitable choice for various applications based on individual-level observations, such as phenotypic selection, heritability, and climate change studies, which rely on individual-plant-level datasets that often contain numerous zeros. To address these limitations, we present three case studies and introduce volatility and periodicity, which account for the variance in the frequency domain by emphasizing the significance of long intervals in masting. By utilizing examples of Sorbus aucuparia, Pinus pinea, Quercus robur, Quercus pubescens, and Fagus sylvatica, we demonstrate how volatility captures the effects of variance at both high and low frequencies, even in the presence of zeros, leading to improved ecological interpretations of the results. The growing availability of long-term, individual-plant datasets promises significant advancements in the field, but requires appropriate tools for analysis, which the new metrics provide., The study was supported by the Polish National Agency for Academic Exchange Bekker program no. PPN/BEK/2020/1/00009/U/00001 and Polish National Science Centre grant no. 2019/35/D/NZ8/00050. RC's research is funded by National Project OLDPINE AGL-2017-83828-C2.1R.

Published
2023
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46. Linking seed size and number to trait syndromes in trees

Author

Michal Bogdziewicz, Marie‐Claire Aravena Acuña, Robert Andrus, Davide Ascoli, Yves Bergeron, Daniel Brveiller, Thomas Boivin, Raul Bonal, Thomas Caignard, Maxime Cailleret, Rafael Calama, Sergio Donoso Calderon, J. Julio Camarero, Chia‐Hao Chang‐Yang, Jerome Chave, Francesco Chianucci, Natalie L. Cleavitt, Benoit Courbaud, Andrea Cutini, Thomas Curt, Adrian J. Das, Hendrik Davi, Nicolas Delpierre, Sylvain Delzon, Michael Dietze, Laurent Dormont, William Farfan‐Rios, Catherine A. Gehring, Gregory S. Gilbert, Georg Gratzer, Cathryn H. Greenberg, Arthur Guignabert, Qinfeng Guo, Andrew Hacket‐Pain, Arndt Hampe, Qingmin Han, Kazuhiko Hoshizaki, Ines Ibanez, Jill F. Johnstone, Valentin Journé, Thomas Kitzberger, Johannes M. H. Knops, Georges Kunstler, Richard Kobe, Jonathan G. A. Lageard, Jalene M. LaMontagne, Mateusz Ledwon, Theodor Leininger, Jean‐Marc Limousin, James A. Lutz, Diana Macias, Anders Marell, Eliot J. B. McIntire, Emily Moran, Renzo Motta, Jonathan A. Myers, Thomas A. Nagel, Shoji Naoe, Mahoko Noguchi, Michio Oguro, Hiroko Kurokawa, Jean‐Marc Ourcival, Robert Parmenter, Ignacio M. Perez‐Ramos, Lukasz Piechnik, Tomasz Podgórski, John Poulsen, Tong Qiu, Miranda D. Redmond, Chantal D. Reid, Kyle C. Rodman, Pavel Šamonil, Jan Holik, C. Lane Scher, Harald Schmidt Van Marle, Barbara Seget, Mitsue Shibata, Shubhi Sharma, Miles Silman, Michael A. Steele, Jacob N. Straub, I‐Fang Sun, Samantha Sutton, Jennifer J. Swenson, Peter A. Thomas, Maria Uriarte, Giorgio Vacchiano, Thomas T. Veblen, Boyd Wright, S. Joseph Wright, Thomas G. Whitham, Kai Zhu, Jess K. Zimmerman, Magdalna Zywiec, James S. Clark, National Science Foundation (US), Belmont Forum, NASA Astrobiology Institute (US), Gordon and Betty Moore Foundation, National Science Centre (Poland), Polish National Agency for Academic Exchange, US Forest Service, Narodowe Centrum Nauki (Poland), Bogdziewicz, Michal, Aravena, Marie-Claire, Andrus, Robert, Ascoli, Davide, Bergeron, Yves, Bonal, Raul, Caignard, Thomas, Calama, Rafael, Calderon, Sergio Donoso, Camarero, J Julio, Chang-Yang, Chia-Hao, Cleavitt, Natalie L, Courbaud, Benoit, Curt, Thomas, Davi, Hendrik, Delpierre, Nicolas, Delzon, Sylvain, Dietze, Michael, Dormont, Laurent, Farfan-Rios, William, Gehring, Catherine, Gilbert, Gregory S., Gratzer, Georg, Greenberg, Cathryn H., Guignabert, Arthur, Guo,Qinfeng, Hacket-Pain, Andrew, Hampe, Arndt, Han, Qingmin, Hoshizaki, Kazuhiko, Ibáñez, Inés, Johnstone, Jill F., Journé, Valentin, Kitzberger, Thomas, Knops, Johannes M. H., Kunstler, Georges, Kobe, Richard K., Lageard, Jonathan G. A., LaMontagne, Jalene M., Ledwon, Mateusz, Leininger, Theodor, Limousin, Jean-Marc, Lutz, James A., Moran, Emily, Motta, Renzo, Myers, Jonathan A., Nagel, Thomas A., Shoji, N., Michio Oguro, Mahoko Noguchi, Ourcival, Jean-Marc, Parmenter, Robert, Perez-Ramos, Ignacio M., Piechnik, Lukasz, Poulsen, John, Qiu, Tong, Redmond, Miranda D., Reid, Chantal D., Rodman, Kyle C., Scher, C. Lane, Seget, Barbara, Silman, Miles, Sun, I-Fang, Sutton, Samantha, Swenson, Jennifer J., Thomas, Peter A., Uriarte, Maria, Vacchiano, Giorgio, Veblen, Thomas T., Wright, Boyd, Wright, S. Joseph, Zhu, Kai, Zimmerman, Jess K., Zywiec, Magdalena, Laboratoire des EcoSystèmes et des Sociétés en Montagne (UR LESSEM), Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Centro Austral de Investigaciones Científicas [Ushuaia] (CADIC), Consejo Nacional de Investigaciones Científicas y Técnicas [Buenos Aires] (CONICET), Ecosystèmes forestiers (UR EFNO), Università degli studi di Torino = University of Turin (UNITO), Université du Québec en Abitibi-Témiscamingue (UQAT), AgroParisTech, Ecologie des Forêts Méditerranéennes (URFM), Universidad Complutense de Madrid = Complutense University of Madrid [Madrid] (UCM), Biodiversité, Gènes & Communautés (BioGeCo), Université de Bordeaux (UB)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Risques, Ecosystèmes, Vulnérabilité, Environnement, Résilience (RECOVER), Aix Marseille Université (AMU)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Consejo Superior de Investigaciones Científicas [Madrid] (CSIC), Universidad de Chili / Departamento de Ciencias de la Computation, Instituto Pirenaico de Ecologìa = Pyrenean Institute of Ecology [Zaragoza] (IPE - CSIC), National Kaohsiung Marine University [Taïwan] (NKMU), Evolution et Diversité Biologique (EDB), Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Centre National de la Recherche Scientifique (CNRS), Department of Computer Science [Ithaca], Cornell University [New York], Centro di Viticoltura ed Enologia [CREA], Consiglio per la Ricerca in Agricoltura e l’analisi dell’economia agraria = Council for Agricultural Research and Economics (CREA), California Sciences Institute, Ecologie Systématique et Evolution (ESE), Université Paris-Sud - Paris 11 (UP11)-AgroParisTech-Centre National de la Recherche Scientifique (CNRS), Boston University [Boston] (BU), Centre d’Ecologie Fonctionnelle et Evolutive (CEFE), Université Paul-Valéry - Montpellier 3 (UPVM)-École Pratique des Hautes Études (EPHE), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD [France-Sud])-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)-Institut Agro Montpellier, Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Université de Montpellier (UM), Saint Louis University (SLU), Northern Arizona University [Flagstaff], University of California (UC), Universität für Bodenkultur Wien = University of Natural Resources and Life [Vienne, Autriche] (BOKU), USDA Agricultural Research Service [Maricopa, AZ] (USDA), United States Department of Agriculture (USDA), Interactions Sol Plante Atmosphère (UMR ISPA), Ecole Nationale Supérieure des Sciences Agronomiques de Bordeaux-Aquitaine (Bordeaux Sciences Agro)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), University of Liverpool, Forestry and Forest Products Research Institute (FFPRI), Akita University, University of Michigan [Dearborn], University of Michigan System, Nicholas School of the Environment, Duke University [Durham], Alabama Space Grant ConsortiumAIST16-0052AIST18-0063Belmont Forum1854976Polish National Agency for Academic Exchange (NAWA)PPN/BEK/2020/1/00009/U/00001National Science Centre, Poland2019/35/D/NZ8/00050National Science Foundation (NSF)DEB- 1754443, and ANR-18-MPGA-0004,FORBIC,Prévision du changement de la biodiversité(2018)

Subjects
Global and Planetary Change, Ecology, [SDV]Life Sciences [q-bio], fecundity, functional traits, leaf economics, life history strategies, size syndrome, tree recruitment, Life history strategie, Settore AGR/05 - Assestamento Forestale e Selvicoltura, Tree recruitmen, [SDE]Environmental Sciences, fecundity functional traits leaf economics life history strategies size syndrome, Ecology, Evolution, Behavior and Systematics
Abstract

12 páginas.- 4 figuras.- referencias.- Additional supporting information can be found online in the Supporting Information section at the end of this article.- Full Access in https://onlinelibrary.wiley.com/doi/full/10.1111/geb.13652, Aim Our understanding of the mechanisms that maintain forest diversity under changing climate can benefit from knowledge about traits that are closely linked to fitness. We tested whether the link between traits and seed number and seed size is consistent with two hypotheses, termed the leaf economics spectrum and the plant size syndrome, or whether reproduction represents an independent dimension related to a seed size–seed number trade-off. Location Most of the data come from Europe, North and Central America and East Asia. A minority of the data come from South America, Africa and Australia. Time period 1960–2022. Major taxa studied Trees. Methods We gathered 12 million observations of the number of seeds produced in 784 tree species. We estimated the number of seeds produced by individual trees and scaled it up to the species level. Next, we used principal components analysis and generalized joint attribute modelling (GJAM) to map seed number and size on the tree traits spectrum. Results Incorporating seed size and number into trait analysis while controlling for environment and phylogeny with GJAM exposes relationships in trees that might otherwise remain hidden. Production of the large total biomass of seeds [product of seed number and seed size; hereafter, species seed productivity (SSP)] is associated with high leaf area, low foliar nitrogen, low specific leaf area (SLA) and dense wood. Production of high seed numbers is associated with small seeds produced by nutrient-demanding species with softwood, small leaves and high SLA. Trait covariation is consistent with opposing strategies: one fast-growing, early successional, with high dispersal, and the other slow-growing, stress-tolerant, that recruit in shaded conditions. Main conclusions Earth system models currently assume that reproductive allocation is indifferent among plant functional types. Easily measurable seed size is a strong predictor of the seed number and species seed productivity. The connection of SSP with the functional traits can form the first basis of improved fecundity prediction across global forests., The project has been funded by grants to J.S.C. from the National Science Foundation, most re-cently DEB-1754443, and by the Belmont Forum (1854976), NASA (AIST16-0052 and AIST18-0063) and the Programme d'Investissement d'Avenir under project FORBIC (18-MPGA-0004; Make Our Planet Great Again). Jerry Franklin's data remain acces-sible through NSF LTER DEB-1440409. Data from Hubbard Brook (New Hampshire) were funded through NSF-LTER. Puerto Rico data were funded by NSF grants, most recently DEB 0963447 and LTREB 11222325. Data from the Andes Biodiversity and Ecosystem Research Group were funded by the Gordon and Betty Moore Foundation and NSF 727 LTREB 1754647. M.B. was supported by grant no. 2019/35/D/NZ8/00050 from the (Polish) National Science Centre and by Polish National Agency for Academic Exchange Bekker programme PPN/BEK/2020/1/00009/U/00001. Research by the USDA Forest Service and the USGS was funded by these agencies. Any use of trade, firm or product names does not imply endorsement by the US Government. Any use of trade, firm, or product names is for descriptive purposes only and does not imply en -dorsement by the U.S. Government

Published
2023
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47. Inter-annual and decadal changes in teleconnections drive continental-scale synchronization of tree reproduction

Author

Davide Ascoli, Giorgio Vacchiano, Marco Turco, Marco Conedera, Igor Drobyshev, Janet Maringer, Renzo Motta, and Andrew Hacket-Pain

Subjects
Science
Abstract

Climate oscillations affect weather on different temporal-spatial scales, which poses difficulty in understanding how they influence tree reproduction. Here Ascoli et al. show relationships between low- and high-frequency components of the NAO and masting in two European tree species across multiple decades.

Published
2017
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48. Limits to reproduction and seed size-number trade-offs that shape forest dominance and future recovery

Author

National Science Foundation (US), Belmont Forum, NASA Specialized Center of Research and Training, Gordon and Betty Moore Foundation, W. Szafer Institute of Botany, Polish Academy of Sciences, National Science Centre (Poland), US Forest Service, Qiu, Tong [0000-0003-4499-437X], Andrus, Robert [0000-0003-0968-8377], Aravena, Marie-Claire [0000-0002-4493-4396], Ascoli, Davide [0000-0002-0546-4467], Bergeron, Yves [0000-0003-3707-3687], Berretti, Roberta 0000-0002-1944-8855][, Berveiller, Daniel [0000-0001-7461-6420], Bogdziewicz, Michal [0000-0002-6777-9034], Bonal, Raúl [0000-0002-6084-1771], Bragg, Don C. [0000-0002-5207-8606], Caignard, Thomas [0000-0001-5009-4613], Calama, Rafael [0000-0002-2598-9594], Camarero, J. Julio [0000-0003-2436-2922], Chang-Yang, Chia-Hao [0000-0003-3635-4946], Cleavitt, Natalie L [0000-0003-0425-2486], Courbaud, Benoit [0000-0002-3050-9559], Courbet, François [0000-0002-9438-6746], Curt, Thomas [0000-0002-2654-3009], Adrian, Das [0000-0002-3937-2616], Daskalakou, Evangelia [0000-0002-5190-1023], Davi, Hendrik [0000-0001-8828-3145], Delpierre, Nicolas [0000-0003-0906-9402], Delzon, Sylvain [0000-0003-3442-1711], Dietze, Michael [0000-0002-2324-2518], Calderon, Sergio Donoso [0000-0002-4599-4702], Dormont, Laurent [0000-0002-2021-0625], Espelta, Josep Maria [0000-0002-0242-4988], Fahey, Timothy J [0000-0003-1283-1162], Farfan-Rios, William [0000-0002-3196-0317], Gehring, Catherine A. [0000-0002-9393-9556], Gilbert, Gregory S. [0000-0002-5195-9903], Gratzer, Georg [0000-0002-6355-6562], Greenberg, Cathryn H. [0000-0002-2831-0989], Guo,Qinfeng [0000-0002-4375-4916], Hacket-Pain, Andrew [0000-0003-3676-1568], Hampe, Arndt [0000-0003-2551-9784], Han, Qingmin [0000-0001-6063-6068], Hoshizaki, Kazuhiko [0000-0001-7654-9129], Ibáñez, Inés[0000-0002-1054-0727], Johnstone, Jill F. [0000-0001-6131-9339], Journé, Valentin [0000-0001-7324-7002], Kabeya, Daisuke [0000-0002-3420-199X], Kilner, Christopher L. [0000-0001-8808-8868], Kitzberger, Thomas [0000-0002-9754-4121], Knops, Johannes M.H. [0000-0002-9647-9209], Kobe, Richard K. [0000-0002-0943-9613], Kunstler, Georges [0000-0002-2544-1940], Lageard, Jonathan G. A. [0000-0001-8971-0444], LaMontagne, Jalene M. [0000-0001-7713-8591], Ledwon, Mateusz [0000-0003-3017-6376], Lefèvre, François [0000-0003-2242-7251], Leininger, Theodor [0000-0002-4939-3656], Limousin, Jean-Marc [0000-0002-2734-2495], Lutz, James A. [0000-0002-2560-0710], McIntire, Eliot J B [0000-0002-6914-8316], Moran, Emily [0000-0003-4624-1910], Motta, Renzo [0000-0002-1631-3840], Myers, Jonathan A. [0000-0002-2058-8468], Nagel, Thomas A. [0000-0002-4207-9218], Ourcival, Jean-Marc [0000-0002-3557-3496], Parmenter, Robert [0000-0002-2099-6824], Pearse, Ian S. [0000-0001-7098-0495], Perez-Ramos, Ignacio M [0000-0003-2332-7818], Piechnik, Lukasz [0000-0002-3958-7393], Poulsen, John [0000-0002-1532-9808], Poulton-Kamakura, Renata [0000-0002-2516-8702], Redmond, Miranda D. [0000-0002-4657-7943], Reid, Chantal D. [0000-0002-3811-4076], Rodman, Kyle C. [0000-0001-9538-8412], Rodríguez-Sánchez, Francisco [0000-0002-7981-1599], Schlesinger, William H [0000-0002-1391-0885], Seget, Barbara [0000-0002-7872-926X], Silman, Miles [0000-0003-4152-2844], Stephenson, Nathan L [0000-0003-0208-7229], Sun, I-Fang [0000-0001-9749-8324], Sutton, Samantha [0000-0002-1491-7763], Swenson, Jennifer [0000-0002-2069-667X], Thomas, Peter A. [0000-0003-3115-3301], Uriarte, María [0000-0002-0484-0758], Vacchiano, Giorgio [0000-0001-8100-0659], Veblen, Thomas T. [0000-0002-3037-640X], Wion, Andreas P. [0000-0002-0701-2843], Wright, Boyd [0000-0002-6322-4904], Wright, S. Joseph [0000-0003-4260-5676], Zimmerman, Jess K. [0000-0002-8179-0731], Zhu, Kai [0000-0003-1587-3317], Zywiec, Magdalena [0000-0002-5992-4051], Qiu, Tong, Andrus, Robert, Aravena, Marie-Claire, Ascoli, Davide, Bergeron, Yves, Berretti, Roberta, Berveiller, Daniel, Bogdziewicz, Michal, Boivin, Thomas, Bonal, Raúl, Bragg, Don C., Lutz, James A., Macías, Diana, McIntire, Eliot J B, Moore, Christopher M., Moran, Emily, Motta, Renzo, Myers, Jonathan A., Nagel, Thomas A., Noguchi, Kyotaro, Ourcival, Jean-Marc, Parmenter, Robert, Pearse, Ian S., Pérez-Ramos, Ignacio Manuel, Piechnik, Lukasz, Poulsen, John, Poulton-Kamakura, Renata, Redmond, Miranda D., Reid, Chantal D., Rodman, Kyle C., Rodríguez-Sánchez, Francisco, Sanguinetti, Javier D., Schlesinger, William H., Schmidt Van Marle, Harald, Seget, Barbara, Sharma, Shubhi, Silman, Miles, Steele, Michael A., Stephenson, Nathan L., Straub, Jacob N., Sun, I-Fang, Sutton, Samantha, Swenson, Jennifer, Swift, Margaret, Thomas, Peter A., Uriarte, María, Vacchiano, Giorgio, Veblen, Thomas T., Whipple, Amy V., Whitham, Thomas G., Wion, Andreas P., Wright, Boyd, Wright, S. Joseph, Zhu, Kai, Zimmerman, Jess K., Zlotin, Roman, Zywiec, Magdalena, Clark, James S., Scher, C. Lane, Caignard, Thomas, Calama Sainz, Rafael Argimiro, Camarero, Jesús Julio, Chang-Yang, Chia-Hao, Cleavitt, Natalie L, Courbaud, Benoit, Courbet, François, Curt, Thomas, Das, Adrian J., Daskalakou, Evangelia, Davi, Hendrik, Delpierre, Nicolas, Delzon, Sylvain, Dietze, Michael, Calderon, Sergio Donoso, Dormont, Laurent, Espelta, Josep Maria, Fahey, Timothy J., Farfan-Rios, William, Gehring, Catherine, Gilbert, Gregory S., Gratzer, Georg, Greenberg, Cathryn H., Guo, Qinfeng, Hacket-Pain, Andrew, Hampe, Arndt, Han, Qingmin, Hille Ris Lambers, Janneke, Hoshizaki, Kazuhiko, Ibáñez, Inés, Johnstone, Jill F., Journé, Valentin, Kabeya, Daisuke, Kilner, Christopher L., Kitzberger, Thomas, Knops, Johannes M. H., Kobe, Richard K., Kunstler, Georges, Lageard, Jonathan G. A., LaMontagne, Jalene M., Ledwon, Mateusz, Lefèvre, François, Leininger, Theodor, Limousin, Jean-Marc, National Science Foundation (US), Belmont Forum, NASA Specialized Center of Research and Training, Gordon and Betty Moore Foundation, W. Szafer Institute of Botany, Polish Academy of Sciences, National Science Centre (Poland), US Forest Service, Qiu, Tong [0000-0003-4499-437X], Andrus, Robert [0000-0003-0968-8377], Aravena, Marie-Claire [0000-0002-4493-4396], Ascoli, Davide [0000-0002-0546-4467], Bergeron, Yves [0000-0003-3707-3687], Berretti, Roberta 0000-0002-1944-8855][, Berveiller, Daniel [0000-0001-7461-6420], Bogdziewicz, Michal [0000-0002-6777-9034], Bonal, Raúl [0000-0002-6084-1771], Bragg, Don C. [0000-0002-5207-8606], Caignard, Thomas [0000-0001-5009-4613], Calama, Rafael [0000-0002-2598-9594], Camarero, J. Julio [0000-0003-2436-2922], Chang-Yang, Chia-Hao [0000-0003-3635-4946], Cleavitt, Natalie L [0000-0003-0425-2486], Courbaud, Benoit [0000-0002-3050-9559], Courbet, François [0000-0002-9438-6746], Curt, Thomas [0000-0002-2654-3009], Adrian, Das [0000-0002-3937-2616], Daskalakou, Evangelia [0000-0002-5190-1023], Davi, Hendrik [0000-0001-8828-3145], Delpierre, Nicolas [0000-0003-0906-9402], Delzon, Sylvain [0000-0003-3442-1711], Dietze, Michael [0000-0002-2324-2518], Calderon, Sergio Donoso [0000-0002-4599-4702], Dormont, Laurent [0000-0002-2021-0625], Espelta, Josep Maria [0000-0002-0242-4988], Fahey, Timothy J [0000-0003-1283-1162], Farfan-Rios, William [0000-0002-3196-0317], Gehring, Catherine A. [0000-0002-9393-9556], Gilbert, Gregory S. [0000-0002-5195-9903], Gratzer, Georg [0000-0002-6355-6562], Greenberg, Cathryn H. [0000-0002-2831-0989], Guo,Qinfeng [0000-0002-4375-4916], Hacket-Pain, Andrew [0000-0003-3676-1568], Hampe, Arndt [0000-0003-2551-9784], Han, Qingmin [0000-0001-6063-6068], Hoshizaki, Kazuhiko [0000-0001-7654-9129], Ibáñez, Inés[0000-0002-1054-0727], Johnstone, Jill F. [0000-0001-6131-9339], Journé, Valentin [0000-0001-7324-7002], Kabeya, Daisuke [0000-0002-3420-199X], Kilner, Christopher L. [0000-0001-8808-8868], Kitzberger, Thomas [0000-0002-9754-4121], Knops, Johannes M.H. [0000-0002-9647-9209], Kobe, Richard K. [0000-0002-0943-9613], Kunstler, Georges [0000-0002-2544-1940], Lageard, Jonathan G. A. [0000-0001-8971-0444], LaMontagne, Jalene M. [0000-0001-7713-8591], Ledwon, Mateusz [0000-0003-3017-6376], Lefèvre, François [0000-0003-2242-7251], Leininger, Theodor [0000-0002-4939-3656], Limousin, Jean-Marc [0000-0002-2734-2495], Lutz, James A. [0000-0002-2560-0710], McIntire, Eliot J B [0000-0002-6914-8316], Moran, Emily [0000-0003-4624-1910], Motta, Renzo [0000-0002-1631-3840], Myers, Jonathan A. [0000-0002-2058-8468], Nagel, Thomas A. [0000-0002-4207-9218], Ourcival, Jean-Marc [0000-0002-3557-3496], Parmenter, Robert [0000-0002-2099-6824], Pearse, Ian S. [0000-0001-7098-0495], Perez-Ramos, Ignacio M [0000-0003-2332-7818], Piechnik, Lukasz [0000-0002-3958-7393], Poulsen, John [0000-0002-1532-9808], Poulton-Kamakura, Renata [0000-0002-2516-8702], Redmond, Miranda D. [0000-0002-4657-7943], Reid, Chantal D. [0000-0002-3811-4076], Rodman, Kyle C. [0000-0001-9538-8412], Rodríguez-Sánchez, Francisco [0000-0002-7981-1599], Schlesinger, William H [0000-0002-1391-0885], Seget, Barbara [0000-0002-7872-926X], Silman, Miles [0000-0003-4152-2844], Stephenson, Nathan L [0000-0003-0208-7229], Sun, I-Fang [0000-0001-9749-8324], Sutton, Samantha [0000-0002-1491-7763], Swenson, Jennifer [0000-0002-2069-667X], Thomas, Peter A. [0000-0003-3115-3301], Uriarte, María [0000-0002-0484-0758], Vacchiano, Giorgio [0000-0001-8100-0659], Veblen, Thomas T. [0000-0002-3037-640X], Wion, Andreas P. [0000-0002-0701-2843], Wright, Boyd [0000-0002-6322-4904], Wright, S. Joseph [0000-0003-4260-5676], Zimmerman, Jess K. [0000-0002-8179-0731], Zhu, Kai [0000-0003-1587-3317], Zywiec, Magdalena [0000-0002-5992-4051], Qiu, Tong, Andrus, Robert, Aravena, Marie-Claire, Ascoli, Davide, Bergeron, Yves, Berretti, Roberta, Berveiller, Daniel, Bogdziewicz, Michal, Boivin, Thomas, Bonal, Raúl, Bragg, Don C., Lutz, James A., Macías, Diana, McIntire, Eliot J B, Moore, Christopher M., Moran, Emily, Motta, Renzo, Myers, Jonathan A., Nagel, Thomas A., Noguchi, Kyotaro, Ourcival, Jean-Marc, Parmenter, Robert, Pearse, Ian S., Pérez-Ramos, Ignacio Manuel, Piechnik, Lukasz, Poulsen, John, Poulton-Kamakura, Renata, Redmond, Miranda D., Reid, Chantal D., Rodman, Kyle C., Rodríguez-Sánchez, Francisco, Sanguinetti, Javier D., Schlesinger, William H., Schmidt Van Marle, Harald, Seget, Barbara, Sharma, Shubhi, Silman, Miles, Steele, Michael A., Stephenson, Nathan L., Straub, Jacob N., Sun, I-Fang, Sutton, Samantha, Swenson, Jennifer, Swift, Margaret, Thomas, Peter A., Uriarte, María, Vacchiano, Giorgio, Veblen, Thomas T., Whipple, Amy V., Whitham, Thomas G., Wion, Andreas P., Wright, Boyd, Wright, S. Joseph, Zhu, Kai, Zimmerman, Jess K., Zlotin, Roman, Zywiec, Magdalena, Clark, James S., Scher, C. Lane, Caignard, Thomas, Calama Sainz, Rafael Argimiro, Camarero, Jesús Julio, Chang-Yang, Chia-Hao, Cleavitt, Natalie L, Courbaud, Benoit, Courbet, François, Curt, Thomas, Das, Adrian J., Daskalakou, Evangelia, Davi, Hendrik, Delpierre, Nicolas, Delzon, Sylvain, Dietze, Michael, Calderon, Sergio Donoso, Dormont, Laurent, Espelta, Josep Maria, Fahey, Timothy J., Farfan-Rios, William, Gehring, Catherine, Gilbert, Gregory S., Gratzer, Georg, Greenberg, Cathryn H., Guo, Qinfeng, Hacket-Pain, Andrew, Hampe, Arndt, Han, Qingmin, Hille Ris Lambers, Janneke, Hoshizaki, Kazuhiko, Ibáñez, Inés, Johnstone, Jill F., Journé, Valentin, Kabeya, Daisuke, Kilner, Christopher L., Kitzberger, Thomas, Knops, Johannes M. H., Kobe, Richard K., Kunstler, Georges, Lageard, Jonathan G. A., LaMontagne, Jalene M., Ledwon, Mateusz, Lefèvre, François, Leininger, Theodor, and Limousin, Jean-Marc

Abstract

The relationships that control seed production in trees are fundamental to understanding the evolution of forest species and their capacity to recover from increasing losses to drought, fire, and harvest. A synthesis of fecundity data from 714 species worldwide allowed us to examine hypotheses that are central to quantifying reproduction, a foundation for assessing fitness in forest trees. Four major findings emerged. First, seed production is not constrained by a strict trade-off between seed size and numbers. Instead, seed numbers vary over ten orders of magnitude, with species that invest in large seeds producing more seeds than expected from the 1:1 trade-off. Second, gymnosperms have lower seed production than angiosperms, potentially due to their extra investments in protective woody cones. Third, nutrient-demanding species, indicated by high foliar phosphorus concentrations, have low seed production. Finally, sensitivity of individual species to soil fertility varies widely, limiting the response of community seed production to fertility gradients. In combination, these findings can inform models of forest response that need to incorporate reproductive potential.

Published
2022

49. Linking seed size and number to trait syndromes in trees

Author

Bogdziewicz, M, Acuña, MCA, Andrus, R, Ascoli, D, Bergeron, Y, Brveiller, D, Boivin, T, Bonal, R, Caignard, T, Cailleret, M, Calama, R, Calderon, SD, Camarero, JJ, Chang-Yang, CH, Chave, J, Chianucci, F, Cleavitt, NL, Courbaud, B, Cutini, A, Curt, T, Das, A, Davi, H, Delpierre, N, Delzon, S, Dietze, M, Dormont, L, Farfan-Rios, W, Gehring, CA, Gilbert, GS, Gratzer, G, Greenberg, CH, Guignabert, A, Guo, Q, Hacket-Pain, A, Hampe, A, Han, Q, Hoshizaki, K, Ibanez, I, Johnstone, JF, Journé, V, Kitzberger, T, Knops, JMH, Kunstler, G, Kobe, R, Lageard, JGA, LaMontagne, JM, Ledwon, M, Leininger, T, Limousin, JM, Lutz, JA, Macias, D, Marell, A, McIntire, EJB, Moran, E, Motta, R, Myers, J, Nagel, TA, Naoe, S, Noguchi, M, Oguro, M, Kurokawa, H, Ourcival, JM, Parmenter, R, Perez-Ramos, IM, Piechnik, L, Podgórski, T, Poulsen, J, Qiu, T, Redmond, MD, Reid, CD, Rodman, KC, Šamonil, P, Holik, J, Scher, CL, Van Marle, HS, Seget, B, Shibata, M, Sharma, S, Silman, M, Steele, MA, Straub, JN, Sun, IF, Sutton, S, Swenson, J, Thomas, PA, Uriarte, M, Vacchiano, G, Veblen, TT, Wright, B, Wright, Sam, Whitham, TG, Zhu, K, Zimmerman, JK, Zywiec, M, Clark, JS, Bogdziewicz, M, Acuña, MCA, Andrus, R, Ascoli, D, Bergeron, Y, Brveiller, D, Boivin, T, Bonal, R, Caignard, T, Cailleret, M, Calama, R, Calderon, SD, Camarero, JJ, Chang-Yang, CH, Chave, J, Chianucci, F, Cleavitt, NL, Courbaud, B, Cutini, A, Curt, T, Das, A, Davi, H, Delpierre, N, Delzon, S, Dietze, M, Dormont, L, Farfan-Rios, W, Gehring, CA, Gilbert, GS, Gratzer, G, Greenberg, CH, Guignabert, A, Guo, Q, Hacket-Pain, A, Hampe, A, Han, Q, Hoshizaki, K, Ibanez, I, Johnstone, JF, Journé, V, Kitzberger, T, Knops, JMH, Kunstler, G, Kobe, R, Lageard, JGA, LaMontagne, JM, Ledwon, M, Leininger, T, Limousin, JM, Lutz, JA, Macias, D, Marell, A, McIntire, EJB, Moran, E, Motta, R, Myers, J, Nagel, TA, Naoe, S, Noguchi, M, Oguro, M, Kurokawa, H, Ourcival, JM, Parmenter, R, Perez-Ramos, IM, Piechnik, L, Podgórski, T, Poulsen, J, Qiu, T, Redmond, MD, Reid, CD, Rodman, KC, Šamonil, P, Holik, J, Scher, CL, Van Marle, HS, Seget, B, Shibata, M, Sharma, S, Silman, M, Steele, MA, Straub, JN, Sun, IF, Sutton, S, Swenson, J, Thomas, PA, Uriarte, M, Vacchiano, G, Veblen, TT, Wright, B, Wright, Sam, Whitham, TG, Zhu, K, Zimmerman, JK, Zywiec, M, and Clark, JS

Abstract

Aim: Our understanding of the mechanisms that maintain forest diversity under changing climate can benefit from knowledge about traits that are closely linked to fitness. We tested whether the link between traits and seed number and seed size is consistent with two hypotheses, termed the leaf economics spectrum and the plant size syndrome, or whether reproduction represents an independent dimension related to a seed size–seed number trade-off. Location: Most of the data come from Europe, North and Central America and East Asia. A minority of the data come from South America, Africa and Australia. Time period: 1960–2022. Major taxa studied: Trees. Methods: We gathered 12 million observations of the number of seeds produced in 784 tree species. We estimated the number of seeds produced by individual trees and scaled it up to the species level. Next, we used principal components analysis and generalized joint attribute modelling (GJAM) to map seed number and size on the tree traits spectrum. Results: Incorporating seed size and number into trait analysis while controlling for environment and phylogeny with GJAM exposes relationships in trees that might otherwise remain hidden. Production of the large total biomass of seeds [product of seed number and seed size; hereafter, species seed productivity (SSP)] is associated with high leaf area, low foliar nitrogen, low specific leaf area (SLA) and dense wood. Production of high seed numbers is associated with small seeds produced by nutrient-demanding species with softwood, small leaves and high SLA. Trait covariation is consistent with opposing strategies: one fast-growing, early successional, with high dispersal, and the other slow-growing, stress-tolerant, that recruit in shaded conditions. Main conclusions: Earth system models currently assume that reproductive allocation is indifferent among plant functional types. Easily measurable seed size is a strong predictor of the seed number and species seed productivity. The co

Published
2023

50. Masting is uncommon in trees that depend on mutualist dispersers in the context of global climate and fertility gradients

Author

Qiu, T, Aravena, MC, Ascoli, D, Bergeron, Y, Bogdziewicz, M, Boivin, T, Bonal, R, Caignard, T, Cailleret, M, Calama, R, Calderon, SD, Camarero, JJ, Chang-Yang, CH, Chave, J, Chianucci, F, Courbaud, B, Cutini, A, Das, AJ, Delpierre, N, Delzon, S, Dietze, M, Dormont, L, Espelta, JM, Fahey, TJ, Farfan-Rios, W, Franklin, JF, Gehring, CA, Gilbert, GS, Gratzer, G, Greenberg, CH, Guignabert, A, Guo, Q, Hacket-Pain, A, Hampe, A, Han, Q, Holik, J, Hoshizaki, K, Ibanez, I, Johnstone, JF, Journé, V, Kitzberger, T, Knops, JMH, Kunstler, G, Kurokawa, H, Lageard, J, LaMontagne, JM, Lefevre, F, Leininger, T, Limousin, JM, Lutz, JA, Macias, D, Marell, A, McIntire, EJB, Moore, CM, Moran, E, Motta, R, Myers, JA, Nagel, TA, Naoe, S, Noguchi, M, Oguro, M, Parmenter, R, Pearse, IS, Perez-Ramos, IM, Piechnik, L, Podgorski, T, Poulsen, J, Redmond, MD, Reid, CD, Rodman, KC, Rodriguez-Sanchez, F, Samonil, P, Sanguinetti, JD, Scher, CL, Seget, B, Sharma, S, Shibata, M, Silman, M, Steele, MA, Stephenson, NL, Straub, JN, Sutton, S, Swenson, JJ, Swift, M, Thomas, PA, Uriarte, M, Vacchiano, G, Whipple, AV, Whitham, TG, Wion, AP, Wright, SJ, Zhu, K, Zimmerman, JK, Zywiec, M, Clark, JS, Qiu, T, Aravena, MC, Ascoli, D, Bergeron, Y, Bogdziewicz, M, Boivin, T, Bonal, R, Caignard, T, Cailleret, M, Calama, R, Calderon, SD, Camarero, JJ, Chang-Yang, CH, Chave, J, Chianucci, F, Courbaud, B, Cutini, A, Das, AJ, Delpierre, N, Delzon, S, Dietze, M, Dormont, L, Espelta, JM, Fahey, TJ, Farfan-Rios, W, Franklin, JF, Gehring, CA, Gilbert, GS, Gratzer, G, Greenberg, CH, Guignabert, A, Guo, Q, Hacket-Pain, A, Hampe, A, Han, Q, Holik, J, Hoshizaki, K, Ibanez, I, Johnstone, JF, Journé, V, Kitzberger, T, Knops, JMH, Kunstler, G, Kurokawa, H, Lageard, J, LaMontagne, JM, Lefevre, F, Leininger, T, Limousin, JM, Lutz, JA, Macias, D, Marell, A, McIntire, EJB, Moore, CM, Moran, E, Motta, R, Myers, JA, Nagel, TA, Naoe, S, Noguchi, M, Oguro, M, Parmenter, R, Pearse, IS, Perez-Ramos, IM, Piechnik, L, Podgorski, T, Poulsen, J, Redmond, MD, Reid, CD, Rodman, KC, Rodriguez-Sanchez, F, Samonil, P, Sanguinetti, JD, Scher, CL, Seget, B, Sharma, S, Shibata, M, Silman, M, Steele, MA, Stephenson, NL, Straub, JN, Sutton, S, Swenson, JJ, Swift, M, Thomas, PA, Uriarte, M, Vacchiano, G, Whipple, AV, Whitham, TG, Wion, AP, Wright, SJ, Zhu, K, Zimmerman, JK, Zywiec, M, and Clark, JS

Abstract

The benefits of masting (volatile, quasi-synchronous seed production at lagged intervals) include satiation of seed predators, but these benefits come with a cost to mutualist pollen and seed dispersers. If the evolution of masting represents a balance between these benefits and costs, we expect mast avoidance in species that are heavily reliant on mutualist dispersers. These effects play out in the context of variable climate and site fertility among species that vary widely in nutrient demand. Meta-analyses of published data have focused on variation at the population scale, thus omitting periodicity within trees and synchronicity between trees. From raw data on 12 million tree-years worldwide, we quantified three components of masting that have not previously been analysed together: (i) volatility, defined as the frequency-weighted year-to-year variation; (ii) periodicity, representing the lag between high-seed years; and (iii) synchronicity, indicating the tree-to-tree correlation. Results show that mast avoidance (low volatility and low synchronicity) by species dependent on mutualist dispersers explains more variation than any other effect. Nutrient-demanding species have low volatility, and species that are most common on nutrient-rich and warm/wet sites exhibit short periods. The prevalence of masting in cold/dry sites coincides with climatic conditions where dependence on vertebrate dispersers is less common than in the wet tropics. Mutualist dispersers neutralize the benefits of masting for predator satiation, further balancing the effects of climate, site fertility and nutrient demands.

Published
2023

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