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5. Exploring monsoon precipitation signal in the Peruvian tropical montane cloud forest: Andean Walnut wood anatomy plasticity.

Author

Rodríguez-Ramírez, Ernesto C., Crispin-DelaCruz, Doris B., Morales, Mariano S., Ticse-Otarola, Ginette A., Ames-Martínez, Fressia N., Guerra, Anthony, Alves-Ferreira, Cassiana, and Requena-Rojas, Edilson J.

Subjects
CLOUD forests, WOOD, TREE-rings, CLIMATE change, WALNUT, NATIVE species
Abstract

Summary: Andean Walnut (Juglans neotropica Diels-Juglandaceae) is a long-lived, deciduous broadleaf Tropical Montane Cloud Forest (TMCF) tree species native to the Andes Cordillera; nevertheless, it has received limited attention for dendro-quantitative wood anatomical studies. Based on 70 increment cores from 50 Andean Walnut trees at two Peruvian TMCFs, two chronologies (from 1969 to 2020 and from 1964 to 2020) were developed. The xylem vessel parameters assessment allowed us to detect South American Monsoon System (SAMS) precipitation signals in the Andean Walnuts' wood. Dendro-wood anatomical features can be assessed within an annual growth ring, which allows for assessing intra-annual past and present wood anatomy-function relationships and its climate vulnerability. [ABSTRACT FROM AUTHOR]

Published
2024
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7. Drought increased since the mid-20th century in the northern South American Altiplano revealed by a 389-year precipitation record

Author

Morales, Mariano S., primary, Crispín De La Cruz, Doris B., additional, Álvarez, Claudio, additional, Christie, Duncan A., additional, Ferrero, Eugenia, additional, Andreu-Hayles, Laia, additional, Villalba, Ricardo, additional, Guerra, Anthony, additional, Ticse-Otarola, Ginette, additional, Rodríguez-Ramírez, Ernesto, additional, LLocclla Martínez, Rosmery, additional, Sanchez-Ferrer, Joali, additional, and Requena-Rojas, Edilson J., additional

Published
2022
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8. Supplementary material to "Drought increased since the mid-20th century in the northern South American Altiplano revealed by a 389-year precipitation record"

Author

Morales, Mariano S., primary, Crispín De La Cruz, Doris B., additional, Álvarez, Claudio, additional, Christie, Duncan A., additional, Ferrero, Eugenia, additional, Andreu-Hayles, Laia, additional, Villalba, Ricardo, additional, Guerra, Anthony, additional, Ticse-Otarola, Ginette, additional, Rodríguez-Ramírez, Ernesto, additional, LLocclla Martínez, Rosmery, additional, Sanchez-Ferrer, Joali, additional, and Requena-Rojas, Edilson J., additional

Published
2022
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10. Drought increase since the mid-20th century in the northern South American Altiplano revealed by a 389-year precipitation record.

Author

Morales, Mariano S., Crispín-DelaCruz, Doris B., Álvarez, Claudio, Christie, Duncan A., Ferrero, M. Eugenia, Andreu-Hayles, Laia, Villalba, Ricardo, Guerra, Anthony, Ticse-Otarola, Ginette, Rodríguez-Ramírez, Ernesto C., LLocclla-Martínez, Rosmery, Sanchez-Ferrer, Joali, and Requena-Rojas, Edilson J.

Subjects
EL Nino, PRECIPITATION variability, RAINFALL, DROUGHTS, WATER supply, GLOBAL warming
Abstract

Given the short span of instrumental precipitation records in the South American Altiplano, longer-term hydroclimatic records are needed to understand the nature of climate variability and to improve the predictability of precipitation, a key natural resource for the socioeconomic development in the Altiplano and adjacent arid lowlands. In this region grows Polylepis tarapacana, a long-lived tree species that is very sensitive to hydroclimatic changes and has been widely used for tree-ring studies in the central and southern Altiplano. However, in the northern sector of the Peruvian and Chilean Altiplano (16–19 ∘ S) still exists a gap of high-resolution hydroclimatic data based on tree-ring records. Our study provides an overview of the temporal evolution of the late-spring–mid-summer precipitation for the period 1625–2013 CE at the northern South American Altiplano, allowing for the identification of wet or dry periods based on a regional reconstruction from three P. tarapacana chronologies. An increase in the occurrence of extreme dry events, together with a decreasing trend in the reconstructed precipitation, has been recorded since the 1970s in the northern Altiplano within the context of the last ∼4 centuries. The average precipitation over the last 17 years stands out as the driest in our 389-year reconstruction. We reveal a temporal and spatial synchrony across the Altiplano region of dry conditions since the mid-1970s. Independent tree-ring-based hydroclimate reconstructions and several paleoclimatic records based on other proxies available for the tropical Andes record this synchrony. The influence of El Niño–Southern Oscillation (ENSO) on the northern Altiplano precipitation was detected by our rainfall reconstruction that showed past drier conditions in our study region associated with ENSO warm events. The spectral properties of the rainfall reconstruction showed strong imprints of ENSO variability at decadal, sub-decadal, and inter-annual timescales, in particular from the Pacific NIÑO 3 sector. Overall, the recent reduction in precipitation in comparison with previous centuries, the increase in extreme dry events and the coupling between precipitation and ENSO variability reported by this work is essential information in the context of the growing demand for water resources in the Altiplano. This study will contribute to a better understanding of the vulnerability and resilience of the region to the projected evapotranspiration increase for the 21st century associated with global warming. [ABSTRACT FROM AUTHOR]

Published
2023
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13. The global abundance of tree palms

Author

Muscarella, Robert, Emilio, Thaise, Phillips, Oliver L., Lewis, Simon L., Slik, Ferry, Baker, William J., Couvreur, Thomas L. P., Eiserhardt, Wolf L., Svenning, Jens-Christian, Affum-Baffoe, Kofi, Aiba, Shin-Ichiro, de Almeida, Everton C., de Almeida, Samuel S., de Oliveira, Edmar Almeida, alvarez-Davila, Esteban, Alves, Luciana F., Alvez-Valles, Carlos Mariano, Carvalho, Fabricio Alvim, Guarin, Fernando Alzate, Andrade, Ana, Aragao, Luis E. O. C., Murakami, Alejandro Araujo, Arroyo, Luzmila, Ashton, Peter S., Corredor, Gerardo A. Aymard, Baker, Timothy R., de Camargo, Plinio Barbosa, Barlow, Jos, Bastin, Jean-Francois, Bengone, Natacha Nssi, Berenguer, Erika, Berry, Nicholas, Blanc, Lilian, Boehning-Gaese, Katrin, Bonal, Damien, Bongers, Frans, Bradford, Matt, Brambach, Fabian, Brearley, Francis Q., Brewer, Steven W., Camargo, Jose L. C., Campbell, David G., Castilho, Carolina V., Castro, Wendeson, Catchpole, Damien, Ceron Martinez, Carlos E., Chen, Shengbin, Chhang, Phourin, Cho, Percival, Chutipong, Wanlop, Clark, Connie, Collins, Murray, Comiskey, James A., Medina, Massiel Nataly Corrales, Costa, Flavia R. C., Culmsee, Heike, David-Higuita, Heriberto, Davidar, Priya, del Aguila-Pasquel, Jhon, Derroire, Geraldine, Di Fiore, Anthony, Van Do, Tran, Doucet, Jean-Louis, Dourdain, Aurelie, Drake, Donald R., Ensslin, Andreas, Erwin, Terry, Ewango, Corneille E. N., Ewers, Robert M., Fauset, Sophie, Feldpausch, Ted R., Ferreira, Joice, Ferreira, Leandro Valle, Fischer, Markus, Franklin, Janet, Fredriksson, Gabriella M., Gillespie, Thomas W., Gilpin, Martin, Gonmadje, Christelle, Gunatilleke, Arachchige Upali Nimal, Hakeem, Khalid Rehman, Hall, Jefferson S., Hamer, Keith C., Harris, David J., Harrison, Rhett D., Hector, Andrew, Hemp, Andreas, Herault, Bruno, Pizango, Carlos Gabriel Hidalgo, Coronado, Euridice N. Honorio, Hubau, Wannes, Hussain, Mohammad Shah, Ibrahim, Faridah-Hanum, Imai, Nobuo, Joly, Carlos A., Joseph, Shijo, Anitha, K., Kartawinata, Kuswata, Kassi, Justin, Killeen, Timothy J., Kitayama, Kanehiro, Klitgard, Bente Bang, Kooyman, Robert, Labriere, Nicolas, Larney, Eileen, Laumonier, Yves, Laurance, Susan G., Laurance, William F., Lawes, Michael J., Levesley, Aurora, Lisingo, Janvier, Lovejoy, Thomas, Lovett, Jon C., Lu, Xinghui, Lykke, Anne Mette, Magnusson, William E., Mahayani, Ni Putu Diana, Malhi, Yadvinder, Mansor, Asyraf, Pena, Jose Luis Marcelo, Marimon-Junior, Ben H., Marshall, Andrew R., Melgaco, Karina, Bautista, Casimiro Mendoza, Mihindou, Vianet, Millet, Jerome, Milliken, William, Mohandass, D., Mendoza, Abel Lorenzo Monteagudo, Mugerwa, Badru, Nagamasu, Hidetoshi, Nagy, Laszlo, Seuaturien, Naret, Nascimento, Marcelo T., Neill, David A., Neto, Luiz Menini, Nilus, Rueben, Vargas, Mario Percy Nunez, Nurtjahya, Eddy, de Araujo, R. Nazare O., Onrizal, Onrizal, Palacios, Walter A., Palacios-Ramos, Sonia, Parren, Marc, Paudel, Ekananda, Morandi, Paulo S., Pennington, R. Toby, Pickavance, Georgia, Pipoly, John J., III, Pitman, Nigel C. A., Poedjirahajoe, Erny, Poorter, Lourens, Poulsen, John R., Rama Chandra Prasad, P., Prieto, Adriana, Puyravaud, Jean-Philippe, Qie, Lan, Quesada, Carlos A., Ramirez-Angulo, Hirma, Razafimahaimodison, Jean Claude, Reitsma, Jan Meindert, Requena-Rojas, Edilson J., Correa, Zorayda Restrepo, Rodriguez, Carlos Reynel, Roopsind, Anand, Rovero, Francesco, Rozak, Andes, Lleras, Agustin Rudas, Rutishauser, Ervan, Rutten, Gemma, Punchi-Manage, Ruwan, Salomao, Rafael P., Van Sam, Hoang, Sarker, Swapan Kumar, Satdichanh, Manichanh, Schietti, Juliana, Schmitt, Christine B., Marimon, Beatriz Schwantes, Senbeta, Feyera, Nath Sharma, Lila, Sheil, Douglas, Sierra, Rodrigo, Silva-Espejo, Javier E., Silveira, Marcos, Sonke, Bonaventure, Steininger, Marc K., Steinmetz, Robert, Stevart, Tariq, Sukumar, Raman, Sultana, Aisha, Sunderland, Terry C. H., Suresh, Hebbalalu Satyanarayana, Tang, Jianwei, Tanner, Edmund, ter Steege, Hans, Terborgh, John W., Theilade, Ida, Timberlake, Jonathan, Torres-Lezama, Armando, Umunay, Peter, Uriarte, Maria, Gamarra, Luis Valenzuela, van de Bult, Mariam, van der Hout, Peter, Martinez, Rodolfo Vasquez, Vieira, Ima Celia Guimaraes, Vieira, Simone A., Vilanova, Emilio, Cayo, Jeanneth Villalobos, Wang, Ophelia, Webb, Campbell O., Webb, Edward L., White, Lee, Whitfeld, Timothy J. S., Wich, Serge, Willcock, Simon, Wiser, Susan K., Young, Kenneth R., Zakaria, Rahmad, Zang, Runguo, Zartman, Charles E., Zo-Bi, Irie Casimir, Balslev, Henrik, Muscarella, Robert, Emilio, Thaise, Phillips, Oliver L., Lewis, Simon L., Slik, Ferry, Baker, William J., Couvreur, Thomas L. P., Eiserhardt, Wolf L., Svenning, Jens-Christian, Affum-Baffoe, Kofi, Aiba, Shin-Ichiro, de Almeida, Everton C., de Almeida, Samuel S., de Oliveira, Edmar Almeida, alvarez-Davila, Esteban, Alves, Luciana F., Alvez-Valles, Carlos Mariano, Carvalho, Fabricio Alvim, Guarin, Fernando Alzate, Andrade, Ana, Aragao, Luis E. O. C., Murakami, Alejandro Araujo, Arroyo, Luzmila, Ashton, Peter S., Corredor, Gerardo A. Aymard, Baker, Timothy R., de Camargo, Plinio Barbosa, Barlow, Jos, Bastin, Jean-Francois, Bengone, Natacha Nssi, Berenguer, Erika, Berry, Nicholas, Blanc, Lilian, Boehning-Gaese, Katrin, Bonal, Damien, Bongers, Frans, Bradford, Matt, Brambach, Fabian, Brearley, Francis Q., Brewer, Steven W., Camargo, Jose L. C., Campbell, David G., Castilho, Carolina V., Castro, Wendeson, Catchpole, Damien, Ceron Martinez, Carlos E., Chen, Shengbin, Chhang, Phourin, Cho, Percival, Chutipong, Wanlop, Clark, Connie, Collins, Murray, Comiskey, James A., Medina, Massiel Nataly Corrales, Costa, Flavia R. C., Culmsee, Heike, David-Higuita, Heriberto, Davidar, Priya, del Aguila-Pasquel, Jhon, Derroire, Geraldine, Di Fiore, Anthony, Van Do, Tran, Doucet, Jean-Louis, Dourdain, Aurelie, Drake, Donald R., Ensslin, Andreas, Erwin, Terry, Ewango, Corneille E. N., Ewers, Robert M., Fauset, Sophie, Feldpausch, Ted R., Ferreira, Joice, Ferreira, Leandro Valle, Fischer, Markus, Franklin, Janet, Fredriksson, Gabriella M., Gillespie, Thomas W., Gilpin, Martin, Gonmadje, Christelle, Gunatilleke, Arachchige Upali Nimal, Hakeem, Khalid Rehman, Hall, Jefferson S., Hamer, Keith C., Harris, David J., Harrison, Rhett D., Hector, Andrew, Hemp, Andreas, Herault, Bruno, Pizango, Carlos Gabriel Hidalgo, Coronado, Euridice N. Honorio, Hubau, Wannes, Hussain, Mohammad Shah, Ibrahim, Faridah-Hanum, Imai, Nobuo, Joly, Carlos A., Joseph, Shijo, Anitha, K., Kartawinata, Kuswata, Kassi, Justin, Killeen, Timothy J., Kitayama, Kanehiro, Klitgard, Bente Bang, Kooyman, Robert, Labriere, Nicolas, Larney, Eileen, Laumonier, Yves, Laurance, Susan G., Laurance, William F., Lawes, Michael J., Levesley, Aurora, Lisingo, Janvier, Lovejoy, Thomas, Lovett, Jon C., Lu, Xinghui, Lykke, Anne Mette, Magnusson, William E., Mahayani, Ni Putu Diana, Malhi, Yadvinder, Mansor, Asyraf, Pena, Jose Luis Marcelo, Marimon-Junior, Ben H., Marshall, Andrew R., Melgaco, Karina, Bautista, Casimiro Mendoza, Mihindou, Vianet, Millet, Jerome, Milliken, William, Mohandass, D., Mendoza, Abel Lorenzo Monteagudo, Mugerwa, Badru, Nagamasu, Hidetoshi, Nagy, Laszlo, Seuaturien, Naret, Nascimento, Marcelo T., Neill, David A., Neto, Luiz Menini, Nilus, Rueben, Vargas, Mario Percy Nunez, Nurtjahya, Eddy, de Araujo, R. Nazare O., Onrizal, Onrizal, Palacios, Walter A., Palacios-Ramos, Sonia, Parren, Marc, Paudel, Ekananda, Morandi, Paulo S., Pennington, R. Toby, Pickavance, Georgia, Pipoly, John J., III, Pitman, Nigel C. A., Poedjirahajoe, Erny, Poorter, Lourens, Poulsen, John R., Rama Chandra Prasad, P., Prieto, Adriana, Puyravaud, Jean-Philippe, Qie, Lan, Quesada, Carlos A., Ramirez-Angulo, Hirma, Razafimahaimodison, Jean Claude, Reitsma, Jan Meindert, Requena-Rojas, Edilson J., Correa, Zorayda Restrepo, Rodriguez, Carlos Reynel, Roopsind, Anand, Rovero, Francesco, Rozak, Andes, Lleras, Agustin Rudas, Rutishauser, Ervan, Rutten, Gemma, Punchi-Manage, Ruwan, Salomao, Rafael P., Van Sam, Hoang, Sarker, Swapan Kumar, Satdichanh, Manichanh, Schietti, Juliana, Schmitt, Christine B., Marimon, Beatriz Schwantes, Senbeta, Feyera, Nath Sharma, Lila, Sheil, Douglas, Sierra, Rodrigo, Silva-Espejo, Javier E., Silveira, Marcos, Sonke, Bonaventure, Steininger, Marc K., Steinmetz, Robert, Stevart, Tariq, Sukumar, Raman, Sultana, Aisha, Sunderland, Terry C. H., Suresh, Hebbalalu Satyanarayana, Tang, Jianwei, Tanner, Edmund, ter Steege, Hans, Terborgh, John W., Theilade, Ida, Timberlake, Jonathan, Torres-Lezama, Armando, Umunay, Peter, Uriarte, Maria, Gamarra, Luis Valenzuela, van de Bult, Mariam, van der Hout, Peter, Martinez, Rodolfo Vasquez, Vieira, Ima Celia Guimaraes, Vieira, Simone A., Vilanova, Emilio, Cayo, Jeanneth Villalobos, Wang, Ophelia, Webb, Campbell O., Webb, Edward L., White, Lee, Whitfeld, Timothy J. S., Wich, Serge, Willcock, Simon, Wiser, Susan K., Young, Kenneth R., Zakaria, Rahmad, Zang, Runguo, Zartman, Charles E., Zo-Bi, Irie Casimir, and Balslev, Henrik

Abstract

Aim Palms are an iconic, diverse and often abundant component of tropical ecosystems that provide many ecosystem services. Being monocots, tree palms are evolutionarily, morphologically and physiologically distinct from other trees, and these differences have important consequences for ecosystem services (e.g., carbon sequestration and storage) and in terms of responses to climate change. We quantified global patterns of tree palm relative abundance to help improve understanding of tropical forests and reduce uncertainty about these ecosystems under climate change. Location Tropical and subtropical moist forests. Time period Current. Major taxa studied Palms (Arecaceae). Methods We assembled a pantropical dataset of 2,548 forest plots (covering 1,191 ha) and quantified tree palm (i.e., ≥10 cm diameter at breast height) abundance relative to co‐occurring non‐palm trees. We compared the relative abundance of tree palms across biogeographical realms and tested for associations with palaeoclimate stability, current climate, edaphic conditions and metrics of forest structure. Results On average, the relative abundance of tree palms was more than five times larger between Neotropical locations and other biogeographical realms. Tree palms were absent in most locations outside the Neotropics but present in >80% of Neotropical locations. The relative abundance of tree palms was more strongly associated with local conditions (e.g., higher mean annual precipitation, lower soil fertility, shallower water table and lower plot mean wood density) than metrics of long‐term climate stability. Life‐form diversity also influenced the patterns; palm assemblages outside the Neotropics comprise many non‐tree (e.g., climbing) palms. Finally, we show that tree palms can influence estimates of above‐ground biomass, but the magnitude and direction of the effect require additional work. Conclusions Tree palms are not only quintessentially tropical, but they are also overwhelmingly Neotropi

Published
2020
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14. Drought increased since the mid-20th century in the northern South American Altiplano revealed by a 389-year precipitation record.

Author

Morales, Mariano S., Crispin De La Cruz, Doris B., Álvarez, Claudio, Christie, Duncan A., Ferrero, Eugenia, Andreu-Hayles, Laia, Villalba, Ricardo, Guerra, Anthony, Ticse-Otarola, Ginette, Rodríguez-Ramírez, Ernesto, LLocclla Martinez, Rosmery, Sanchez-Ferrer, Joali, and Requena-Rojas, Edilson J.

Abstract

Given the short span of instrumental precipitation records in the South American Altiplano, long-term 25 hydroclimatic records are needed to understand the nature of climate variability and to improve the predictability of precipitation, a key natural resource for the socio-economic development in the Altiplano and adjacent arid lowlands. In this region grows Polylepis tarapacana, a long-lived tree species that is very sensitive to hydroclimatic changes and have been widely used for tree-ring studies in the central and southern Altiplano. However, in the northern sector of the Peruvian and Chilean Altiplano (16°-19° S) still exist a gap of hydroclimatic tree-ring records. Our study provides an overview of the 30 temporal evolution of annual precipitation for the period 1625-2013 CE at the northern South American Altiplano, allowing for the identification of wet or dry periods based on a regional reconstruction composed by three P. tarapacana chronologies. An increase in the occurrence rate of extreme dry events, together with a decreasing trend in the reconstructed precipitation, have been recorded since the 1970s decade in the northern Altiplano within the context of the last ~four centuries. The average precipitation of the last 17-year stands out as the driest in our 389-years reconstruction. We revealed a 35 temporal and spatial synchrony across the Altiplano region of wet conditions during the first half of the 19th century and the drought conditions since mid 1970s recorded by independent tree-ring based hydroclimate reconstructions and several paleoclimatic records based on other proxies available for the tropical Andes. The rainfall reconstruction provides also valuable information about the ENSO influences in the northern Altiplano precipitation. The spectral properties of the rainfall reconstruction showed strong imprints of ENSO variability at decadal, sub-decadal and inter-annual time-scale, in 40 particular from the Pacific N3 sector. Overall, the remarkable recent reduction in precipitation in comparison with previous centuries, the increase in extreme dry events and the coupling between precipitation and ENSO variability reported by this work is essential information in the context of the growing demand for water resources in the Altiplano that will contribute to a better understanding of the vulnerability/resilience of the region to the projected evapotranspiration increase for the 21st century associated to global warming. [ABSTRACT FROM AUTHOR]

Published
2022
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15. The global abundance of tree palms

Author

Muscarella, Robert, primary, Emilio, Thaise, additional, Phillips, Oliver L., additional, Lewis, Simon L., additional, Slik, Ferry, additional, Baker, William J., additional, Couvreur, Thomas L. P., additional, Eiserhardt, Wolf L., additional, Svenning, Jens‐Christian, additional, Affum‐Baffoe, Kofi, additional, Aiba, Shin‐Ichiro, additional, Almeida, Everton C., additional, Almeida, Samuel S., additional, Oliveira, Edmar Almeida, additional, Álvarez‐Dávila, Esteban, additional, Alves, Luciana F., additional, Alvez‐Valles, Carlos Mariano, additional, Carvalho, Fabrício Alvim, additional, Guarin, Fernando Alzate, additional, Andrade, Ana, additional, Aragão, Luis E. O. C., additional, Murakami, Alejandro Araujo, additional, Arroyo, Luzmila, additional, Ashton, Peter S., additional, Corredor, Gerardo A. Aymard, additional, Baker, Timothy R., additional, Camargo, Plinio Barbosa, additional, Barlow, Jos, additional, Bastin, Jean‐François, additional, Bengone, Natacha Nssi, additional, Berenguer, Erika, additional, Berry, Nicholas, additional, Blanc, Lilian, additional, Böhning‐Gaese, Katrin, additional, Bonal, Damien, additional, Bongers, Frans, additional, Bradford, Matt, additional, Brambach, Fabian, additional, Brearley, Francis Q., additional, Brewer, Steven W., additional, Camargo, Jose L. C., additional, Campbell, David G., additional, Castilho, Carolina V., additional, Castro, Wendeson, additional, Catchpole, Damien, additional, Cerón Martínez, Carlos E., additional, Chen, Shengbin, additional, Chhang, Phourin, additional, Cho, Percival, additional, Chutipong, Wanlop, additional, Clark, Connie, additional, Collins, Murray, additional, Comiskey, James A., additional, Medina, Massiel Nataly Corrales, additional, Costa, Flávia R. C., additional, Culmsee, Heike, additional, David‐Higuita, Heriberto, additional, Davidar, Priya, additional, Aguila‐Pasquel, Jhon, additional, Derroire, Géraldine, additional, Di Fiore, Anthony, additional, Van Do, Tran, additional, Doucet, Jean‐Louis, additional, Dourdain, Aurélie, additional, Drake, Donald R., additional, Ensslin, Andreas, additional, Erwin, Terry, additional, Ewango, Corneille E. N., additional, Ewers, Robert M., additional, Fauset, Sophie, additional, Feldpausch, Ted R., additional, Ferreira, Joice, additional, Ferreira, Leandro Valle, additional, Fischer, Markus, additional, Franklin, Janet, additional, Fredriksson, Gabriella M., additional, Gillespie, Thomas W., additional, Gilpin, Martin, additional, Gonmadje, Christelle, additional, Gunatilleke, Arachchige Upali Nimal, additional, Hakeem, Khalid Rehman, additional, Hall, Jefferson S., additional, Hamer, Keith C., additional, Harris, David J., additional, Harrison, Rhett D., additional, Hector, Andrew, additional, Hemp, Andreas, additional, Herault, Bruno, additional, Pizango, Carlos Gabriel Hidalgo, additional, Coronado, Eurídice N. Honorio, additional, Hubau, Wannes, additional, Hussain, Mohammad Shah, additional, Ibrahim, Faridah‐Hanum, additional, Imai, Nobuo, additional, Joly, Carlos A., additional, Joseph, Shijo, additional, K, Anitha, additional, Kartawinata, Kuswata, additional, Kassi, Justin, additional, Killeen, Timothy J., additional, Kitayama, Kanehiro, additional, Klitgård, Bente Bang, additional, Kooyman, Robert, additional, Labrière, Nicolas, additional, Larney, Eileen, additional, Laumonier, Yves, additional, Laurance, Susan G., additional, Laurance, William F., additional, Lawes, Michael J., additional, Levesley, Aurora, additional, Lisingo, Janvier, additional, Lovejoy, Thomas, additional, Lovett, Jon C., additional, Lu, Xinghui, additional, Lykke, Anne Mette, additional, Magnusson, William E., additional, Mahayani, Ni Putu Diana, additional, Malhi, Yadvinder, additional, Mansor, Asyraf, additional, Peña, Jose Luis Marcelo, additional, Marimon‐Junior, Ben H., additional, Marshall, Andrew R., additional, Melgaco, Karina, additional, Bautista, Casimiro Mendoza, additional, Mihindou, Vianet, additional, Millet, Jérôme, additional, Milliken, William, additional, Mohandass, D., additional, Mendoza, Abel Lorenzo Monteagudo, additional, Mugerwa, Badru, additional, Nagamasu, Hidetoshi, additional, Nagy, Laszlo, additional, Seuaturien, Naret, additional, Nascimento, Marcelo T., additional, Neill, David A., additional, Neto, Luiz Menini, additional, Nilus, Rueben, additional, Vargas, Mario Percy Núñez, additional, Nurtjahya, Eddy, additional, Araújo, R. Nazaré O., additional, Onrizal, Onrizal, additional, Palacios, Walter A., additional, Palacios‐Ramos, Sonia, additional, Parren, Marc, additional, Paudel, Ekananda, additional, Morandi, Paulo S., additional, Pennington, R. Toby, additional, Pickavance, Georgia, additional, Pipoly, John J., additional, Pitman, Nigel C. A., additional, Poedjirahajoe, Erny, additional, Poorter, Lourens, additional, Poulsen, John R., additional, Rama Chandra Prasad, P., additional, Prieto, Adriana, additional, Puyravaud, Jean‐Philippe, additional, Qie, Lan, additional, Quesada, Carlos A., additional, Ramírez‐Angulo, Hirma, additional, Razafimahaimodison, Jean Claude, additional, Reitsma, Jan Meindert, additional, Requena‐Rojas, Edilson J., additional, Correa, Zorayda Restrepo, additional, Rodriguez, Carlos Reynel, additional, Roopsind, Anand, additional, Rovero, Francesco, additional, Rozak, Andes, additional, Lleras, Agustín Rudas, additional, Rutishauser, Ervan, additional, Rutten, Gemma, additional, Punchi‐Manage, Ruwan, additional, Salomão, Rafael P., additional, Van Sam, Hoang, additional, Sarker, Swapan Kumar, additional, Satdichanh, Manichanh, additional, Schietti, Juliana, additional, Schmitt, Christine B., additional, Marimon, Beatriz Schwantes, additional, Senbeta, Feyera, additional, Nath Sharma, Lila, additional, Sheil, Douglas, additional, Sierra, Rodrigo, additional, Silva‐Espejo, Javier E., additional, Silveira, Marcos, additional, Sonké, Bonaventure, additional, Steininger, Marc K., additional, Steinmetz, Robert, additional, Stévart, Tariq, additional, Sukumar, Raman, additional, Sultana, Aisha, additional, Sunderland, Terry C. H., additional, Suresh, Hebbalalu Satyanarayana, additional, Tang, Jianwei, additional, Tanner, Edmund, additional, Steege, Hans, additional, Terborgh, John W., additional, Theilade, Ida, additional, Timberlake, Jonathan, additional, Torres‐Lezama, Armando, additional, Umunay, Peter, additional, Uriarte, María, additional, Gamarra, Luis Valenzuela, additional, Bult, Martin, additional, Hout, Peter, additional, Martinez, Rodolfo Vasquez, additional, Vieira, Ima Célia Guimarães, additional, Vieira, Simone A., additional, Vilanova, Emilio, additional, Cayo, Jeanneth Villalobos, additional, Wang, Ophelia, additional, Webb, Campbell O., additional, Webb, Edward L., additional, White, Lee, additional, Whitfeld, Timothy J. S., additional, Wich, Serge, additional, Willcock, Simon, additional, Wiser, Susan K., additional, Young, Kenneth R., additional, Zakaria, Rahmad, additional, Zang, Runguo, additional, Zartman, Charles E., additional, Zo‐Bi, Irié Casimir, additional, and Balslev, Henrik, additional

Published
2020
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16. The global abundance of tree palms

Author

Muscarella, Robert, Emilio, Thaise, Phillips, Oliver L., Lewis, Simon L., Slik, Ferry, Baker, William J., Couvreur, Thomas L. P., Eiserhardt, Wolf L., Svenning, Jens‐Christian, Affum‐Baffoe, Kofi, Aiba, Shin‐Ichiro, Almeida, Everton C., Almeida, Samuel S., Oliveira, Edmar Almeida, Álvarez‐Dávila, Esteban, Alves, Luciana F., Alvez‐Valles, Carlos Mariano, Carvalho, Fabrício Alvim, Guarin, Fernando Alzate, Andrade, Ana, Aragão, Luis E. O. C., Murakami, Alejandro Araujo, Arroyo, Luzmila, Ashton, Peter S., Corredor, Gerardo A. Aymard, Baker, Timothy R., Camargo, Plinio Barbosa, Barlow, Jos, Bastin, Jean‐François, Bengone, Natacha Nssi, Berenguer, Erika, Berry, Nicholas, Blanc, Lilian, Böhning‐Gaese, Katrin, Bonal, Damien, Bongers, Frans, Bradford, Matt, Brambach, Fabian, Brearley, Francis Q., Brewer, Steven W., Camargo, Jose L. C., Campbell, David G., Castilho, Carolina V., Castro, Wendeson, Catchpole, Damien, Cerón Martínez, Carlos E., Chen, Shengbin, Chhang, Phourin, Cho, Percival, Chutipong, Wanlop, Clark, Connie, Collins, Murray, Comiskey, James A., Medina, Massiel Nataly Corrales, Costa, Flávia R. C., Culmsee, Heike, David‐Higuita, Heriberto, Davidar, Priya, Aguila‐Pasquel, Jhon, Derroire, Géraldine, Di Fiore, Anthony, Van Do, Tran, Doucet, Jean‐Louis, Dourdain, Aurélie, Drake, Donald R., Ensslin, Andreas, Erwin, Terry, Ewango, Corneille E. N., Ewers, Robert M., Fauset, Sophie, Feldpausch, Ted R., Ferreira, Joice, Ferreira, Leandro Valle, Fischer, Markus, Franklin, Janet, Fredriksson, Gabriella M., Gillespie, Thomas W., Gilpin, Martin, Gonmadje, Christelle, Gunatilleke, Arachchige Upali Nimal, Hakeem, Khalid Rehman, Hall, Jefferson S., Hamer, Keith C., Harris, David J., Harrison, Rhett D., Hector, Andrew, Hemp, Andreas, Herault, Bruno, Pizango, Carlos Gabriel Hidalgo, Coronado, Eurídice N. Honorio, Hubau, Wannes, Hussain, Mohammad Shah, Ibrahim, Faridah‐Hanum, Imai, Nobuo, Joly, Carlos A., Joseph, Shijo, K, Anitha, Kartawinata, Kuswata, Kassi, Justin, Killeen, Timothy J., Kitayama, Kanehiro, Klitgård, Bente Bang, Kooyman, Robert, Labrière, Nicolas, Larney, Eileen, Laumonier, Yves, Laurance, Susan G., Laurance, William F., Lawes, Michael J., Levesley, Aurora, Lisingo, Janvier, Lovejoy, Thomas, Lovett, Jon C., Lu, Xinghui, Lykke, Anne Mette, Magnusson, William E., Mahayani, Ni Putu Diana, Malhi, Yadvinder, Mansor, Asyraf, Peña, Jose Luis Marcelo, Marimon‐Junior, Ben H., Marshall, Andrew R., Melgaco, Karina, Bautista, Casimiro Mendoza, Mihindou, Vianet, Millet, Jérôme, Milliken, William, Mohandass, D., Mendoza, Abel Lorenzo Monteagudo, Mugerwa, Badru, Nagamasu, Hidetoshi, Nagy, Laszlo, Seuaturien, Naret, Nascimento, Marcelo T., Neill, David A., Neto, Luiz Menini, Nilus, Rueben, Vargas, Mario Percy Núñez, Nurtjahya, Eddy, Araújo, R. Nazaré O., Onrizal, Onrizal, Palacios, Walter A., Palacios‐Ramos, Sonia, Parren, Marc, Paudel, Ekananda, Morandi, Paulo S., Pennington, R. Toby, Pickavance, Georgia, Pipoly, John J., Pitman, Nigel C. A., Poedjirahajoe, Erny, Poorter, Lourens, Poulsen, John R., Rama Chandra Prasad, P., Prieto, Adriana, Puyravaud, Jean‐Philippe, Qie, Lan, Quesada, Carlos A., Ramírez‐Angulo, Hirma, Razafimahaimodison, Jean Claude, Reitsma, Jan Meindert, Requena‐Rojas, Edilson J., Correa, Zorayda Restrepo, Rodriguez, Carlos Reynel, Roopsind, Anand, Rovero, Francesco, Rozak, Andes, Lleras, Agustín Rudas, Rutishauser, Ervan, Rutten, Gemma, Punchi‐Manage, Ruwan, Salomão, Rafael P., Van Sam, Hoang, Sarker, Swapan Kumar, Satdichanh, Manichanh, Schietti, Juliana, Schmitt, Christine B., Marimon, Beatriz Schwantes, Senbeta, Feyera, Nath Sharma, Lila, Sheil, Douglas, Sierra, Rodrigo, Silva‐Espejo, Javier E., Silveira, Marcos, Sonké, Bonaventure, Steininger, Marc K., Steinmetz, Robert, Stévart, Tariq, Sukumar, Raman, Sultana, Aisha, Sunderland, Terry C. H., Suresh, Hebbalalu Satyanarayana, Tang, Jianwei, Tanner, Edmund, Steege, Hans, Terborgh, John W., Theilade, Ida, Timberlake, Jonathan, Torres‐Lezama, Armando, Umunay, Peter, Uriarte, María, Gamarra, Luis Valenzuela, Bult, Martin, Hout, Peter, Martinez, Rodolfo Vasquez, Vieira, Ima Célia Guimarães, Vieira, Simone A., Vilanova, Emilio, Cayo, Jeanneth Villalobos, Wang, Ophelia, Webb, Campbell O., Webb, Edward L., White, Lee, Whitfeld, Timothy J. S., Wich, Serge, Willcock, Simon, Wiser, Susan K., Young, Kenneth R., Zakaria, Rahmad, Zang, Runguo, Zartman, Charles E., Zo‐Bi, Irié Casimir, McGeoch, Melodie, and Balslev, Henrik

Subjects
13. Climate action, 15. Life on land, 580 Plants (Botany)
Abstract

Aim Palms are an iconic, diverse and often abundant component of tropical ecosystems that provide many ecosystem services. Being monocots, tree palms are evolutionarily, morphologically and physiologically distinct from other trees, and these differences have important consequences for ecosystem services (e.g., carbon sequestration and storage) and in terms of responses to climate change. We quantified global patterns of tree palm relative abundance to help improve understanding of tropical forests and reduce uncertainty about these ecosystems under climate change. Location Tropical and subtropical moist forests. Time period Current. Major taxa studied Palms (Arecaceae). Methods We assembled a pantropical dataset of 2,548 forest plots (covering 1,191 ha) and quantified tree palm (i.e., ≥10 cm diameter at breast height) abundance relative to co‐occurring non‐palm trees. We compared the relative abundance of tree palms across biogeographical realms and tested for associations with palaeoclimate stability, current climate, edaphic conditions and metrics of forest structure. Results On average, the relative abundance of tree palms was more than five times larger between Neotropical locations and other biogeographical realms. Tree palms were absent in most locations outside the Neotropics but present in >80% of Neotropical locations. The relative abundance of tree palms was more strongly associated with local conditions (e.g., higher mean annual precipitation, lower soil fertility, shallower water table and lower plot mean wood density) than metrics of long‐term climate stability. Life‐form diversity also influenced the patterns; palm assemblages outside the Neotropics comprise many non‐tree (e.g., climbing) palms. Finally, we show that tree palms can influence estimates of above‐ground biomass, but the magnitude and direction of the effect require additional work. Conclusions Tree palms are not only quintessentially tropical, but they are also overwhelmingly Neotropical. Future work to understand the contributions of tree palms to biomass estimates and carbon cycling will be particularly crucial in Neotropical forests.

17. The global abundance of tree palms

Author

Muscarella, Robert, Emilio, Thaise, Phillips, Oliver L., Lewis, Simon L., Slik, Ferry, Baker, William J., Couvreur, Thomas L. P., Eiserhardt, Wolf L., Svenning, Jens‐Christian, Affum‐Baffoe, Kofi, Aiba, Shin‐Ichiro, Almeida, Everton C., Almeida, Samuel S., Oliveira, Edmar Almeida, Álvarez‐Dávila, Esteban, Alves, Luciana F., Alvez‐Valles, Carlos Mariano, Carvalho, Fabrício Alvim, Guarin, Fernando Alzate, Andrade, Ana, Aragão, Luis E. O. C., Murakami, Alejandro Araujo, Arroyo, Luzmila, Ashton, Peter S., Corredor, Gerardo A. Aymard, Baker, Timothy R., Camargo, Plinio Barbosa, Barlow, Jos, Bastin, Jean‐François, Bengone, Natacha Nssi, Berenguer, Erika, Berry, Nicholas, Blanc, Lilian, Böhning‐Gaese, Katrin, Bonal, Damien, Bongers, Frans, Bradford, Matt, Brambach, Fabian, Brearley, Francis Q., Brewer, Steven W., Camargo, Jose L. C., Campbell, David G., Castilho, Carolina V., Castro, Wendeson, Catchpole, Damien, Cerón Martínez, Carlos E., Chen, Shengbin, Chhang, Phourin, Cho, Percival, Chutipong, Wanlop, Clark, Connie, Collins, Murray, Comiskey, James A., Medina, Massiel Nataly Corrales, Costa, Flávia R. C., Culmsee, Heike, David‐Higuita, Heriberto, Davidar, Priya, Aguila‐Pasquel, Jhon, Derroire, Géraldine, Di Fiore, Anthony, Van Do, Tran, Doucet, Jean‐Louis, Dourdain, Aurélie, Drake, Donald R., Ensslin, Andreas, Erwin, Terry, Ewango, Corneille E. N., Ewers, Robert M., Fauset, Sophie, Feldpausch, Ted R., Ferreira, Joice, Ferreira, Leandro Valle, Fischer, Markus, Franklin, Janet, Fredriksson, Gabriella M., Gillespie, Thomas W., Gilpin, Martin, Gonmadje, Christelle, Gunatilleke, Arachchige Upali Nimal, Hakeem, Khalid Rehman, Hall, Jefferson S., Hamer, Keith C., Harris, David J., Harrison, Rhett D., Hector, Andrew, Hemp, Andreas, Herault, Bruno, Pizango, Carlos Gabriel Hidalgo, Coronado, Eurídice N. Honorio, Hubau, Wannes, Hussain, Mohammad Shah, Ibrahim, Faridah‐Hanum, Imai, Nobuo, Joly, Carlos A., Joseph, Shijo, K, Anitha, Kartawinata, Kuswata, Kassi, Justin, Killeen, Timothy J., Kitayama, Kanehiro, Klitgård, Bente Bang, Kooyman, Robert, Labrière, Nicolas, Larney, Eileen, Laumonier, Yves, Laurance, Susan G., Laurance, William F., Lawes, Michael J., Levesley, Aurora, Lisingo, Janvier, Lovejoy, Thomas, Lovett, Jon C., Lu, Xinghui, Lykke, Anne Mette, Magnusson, William E., Mahayani, Ni Putu Diana, Malhi, Yadvinder, Mansor, Asyraf, Peña, Jose Luis Marcelo, Marimon‐Junior, Ben H., Marshall, Andrew R., Melgaco, Karina, Bautista, Casimiro Mendoza, Mihindou, Vianet, Millet, Jérôme, Milliken, William, Mohandass, D., Mendoza, Abel Lorenzo Monteagudo, Mugerwa, Badru, Nagamasu, Hidetoshi, Nagy, Laszlo, Seuaturien, Naret, Nascimento, Marcelo T., Neill, David A., Neto, Luiz Menini, Nilus, Rueben, Vargas, Mario Percy Núñez, Nurtjahya, Eddy, Araújo, R. Nazaré O., Onrizal, Onrizal, Palacios, Walter A., Palacios‐Ramos, Sonia, Parren, Marc, Paudel, Ekananda, Morandi, Paulo S., Pennington, R. Toby, Pickavance, Georgia, Pipoly, John J., Pitman, Nigel C. A., Poedjirahajoe, Erny, Poorter, Lourens, Poulsen, John R., Rama Chandra Prasad, P., Prieto, Adriana, Puyravaud, Jean‐Philippe, Qie, Lan, Quesada, Carlos A., Ramírez‐Angulo, Hirma, Razafimahaimodison, Jean Claude, Reitsma, Jan Meindert, Requena‐Rojas, Edilson J., Correa, Zorayda Restrepo, Rodriguez, Carlos Reynel, Roopsind, Anand, Rovero, Francesco, Rozak, Andes, Lleras, Agustín Rudas, Rutishauser, Ervan, Rutten, Gemma, Punchi‐Manage, Ruwan, Salomão, Rafael P., Van Sam, Hoang, Sarker, Swapan Kumar, Satdichanh, Manichanh, Schietti, Juliana, Schmitt, Christine B., Marimon, Beatriz Schwantes, Senbeta, Feyera, Nath Sharma, Lila, Sheil, Douglas, Sierra, Rodrigo, Silva‐Espejo, Javier E., Silveira, Marcos, Sonké, Bonaventure, Steininger, Marc K., Steinmetz, Robert, Stévart, Tariq, Sukumar, Raman, Sultana, Aisha, Sunderland, Terry C. H., Suresh, Hebbalalu Satyanarayana, Tang, Jianwei, Tanner, Edmund, Steege, Hans, Terborgh, John W., Theilade, Ida, Timberlake, Jonathan, Torres‐Lezama, Armando, Umunay, Peter, Uriarte, María, Gamarra, Luis Valenzuela, Bult, Martin, Hout, Peter, Martinez, Rodolfo Vasquez, Vieira, Ima Célia Guimarães, Vieira, Simone A., Vilanova, Emilio, Cayo, Jeanneth Villalobos, Wang, Ophelia, Webb, Campbell O., Webb, Edward L., White, Lee, Whitfeld, Timothy J. S., Wich, Serge, Willcock, Simon, Wiser, Susan K., Young, Kenneth R., Zakaria, Rahmad, Zang, Runguo, Zartman, Charles E., Zo‐Bi, Irié Casimir, McGeoch, Melodie, Balslev, Henrik, Muscarella, Robert, Emilio, Thaise, Phillips, Oliver L., Lewis, Simon L., Slik, Ferry, Baker, William J., Couvreur, Thomas L. P., Eiserhardt, Wolf L., Svenning, Jens‐Christian, Affum‐Baffoe, Kofi, Aiba, Shin‐Ichiro, Almeida, Everton C., Almeida, Samuel S., Oliveira, Edmar Almeida, Álvarez‐Dávila, Esteban, Alves, Luciana F., Alvez‐Valles, Carlos Mariano, Carvalho, Fabrício Alvim, Guarin, Fernando Alzate, Andrade, Ana, Aragão, Luis E. O. C., Murakami, Alejandro Araujo, Arroyo, Luzmila, Ashton, Peter S., Corredor, Gerardo A. Aymard, Baker, Timothy R., Camargo, Plinio Barbosa, Barlow, Jos, Bastin, Jean‐François, Bengone, Natacha Nssi, Berenguer, Erika, Berry, Nicholas, Blanc, Lilian, Böhning‐Gaese, Katrin, Bonal, Damien, Bongers, Frans, Bradford, Matt, Brambach, Fabian, Brearley, Francis Q., Brewer, Steven W., Camargo, Jose L. C., Campbell, David G., Castilho, Carolina V., Castro, Wendeson, Catchpole, Damien, Cerón Martínez, Carlos E., Chen, Shengbin, Chhang, Phourin, Cho, Percival, Chutipong, Wanlop, Clark, Connie, Collins, Murray, Comiskey, James A., Medina, Massiel Nataly Corrales, Costa, Flávia R. C., Culmsee, Heike, David‐Higuita, Heriberto, Davidar, Priya, Aguila‐Pasquel, Jhon, Derroire, Géraldine, Di Fiore, Anthony, Van Do, Tran, Doucet, Jean‐Louis, Dourdain, Aurélie, Drake, Donald R., Ensslin, Andreas, Erwin, Terry, Ewango, Corneille E. N., Ewers, Robert M., Fauset, Sophie, Feldpausch, Ted R., Ferreira, Joice, Ferreira, Leandro Valle, Fischer, Markus, Franklin, Janet, Fredriksson, Gabriella M., Gillespie, Thomas W., Gilpin, Martin, Gonmadje, Christelle, Gunatilleke, Arachchige Upali Nimal, Hakeem, Khalid Rehman, Hall, Jefferson S., Hamer, Keith C., Harris, David J., Harrison, Rhett D., Hector, Andrew, Hemp, Andreas, Herault, Bruno, Pizango, Carlos Gabriel Hidalgo, Coronado, Eurídice N. Honorio, Hubau, Wannes, Hussain, Mohammad Shah, Ibrahim, Faridah‐Hanum, Imai, Nobuo, Joly, Carlos A., Joseph, Shijo, K, Anitha, Kartawinata, Kuswata, Kassi, Justin, Killeen, Timothy J., Kitayama, Kanehiro, Klitgård, Bente Bang, Kooyman, Robert, Labrière, Nicolas, Larney, Eileen, Laumonier, Yves, Laurance, Susan G., Laurance, William F., Lawes, Michael J., Levesley, Aurora, Lisingo, Janvier, Lovejoy, Thomas, Lovett, Jon C., Lu, Xinghui, Lykke, Anne Mette, Magnusson, William E., Mahayani, Ni Putu Diana, Malhi, Yadvinder, Mansor, Asyraf, Peña, Jose Luis Marcelo, Marimon‐Junior, Ben H., Marshall, Andrew R., Melgaco, Karina, Bautista, Casimiro Mendoza, Mihindou, Vianet, Millet, Jérôme, Milliken, William, Mohandass, D., Mendoza, Abel Lorenzo Monteagudo, Mugerwa, Badru, Nagamasu, Hidetoshi, Nagy, Laszlo, Seuaturien, Naret, Nascimento, Marcelo T., Neill, David A., Neto, Luiz Menini, Nilus, Rueben, Vargas, Mario Percy Núñez, Nurtjahya, Eddy, Araújo, R. Nazaré O., Onrizal, Onrizal, Palacios, Walter A., Palacios‐Ramos, Sonia, Parren, Marc, Paudel, Ekananda, Morandi, Paulo S., Pennington, R. Toby, Pickavance, Georgia, Pipoly, John J., Pitman, Nigel C. A., Poedjirahajoe, Erny, Poorter, Lourens, Poulsen, John R., Rama Chandra Prasad, P., Prieto, Adriana, Puyravaud, Jean‐Philippe, Qie, Lan, Quesada, Carlos A., Ramírez‐Angulo, Hirma, Razafimahaimodison, Jean Claude, Reitsma, Jan Meindert, Requena‐Rojas, Edilson J., Correa, Zorayda Restrepo, Rodriguez, Carlos Reynel, Roopsind, Anand, Rovero, Francesco, Rozak, Andes, Lleras, Agustín Rudas, Rutishauser, Ervan, Rutten, Gemma, Punchi‐Manage, Ruwan, Salomão, Rafael P., Van Sam, Hoang, Sarker, Swapan Kumar, Satdichanh, Manichanh, Schietti, Juliana, Schmitt, Christine B., Marimon, Beatriz Schwantes, Senbeta, Feyera, Nath Sharma, Lila, Sheil, Douglas, Sierra, Rodrigo, Silva‐Espejo, Javier E., Silveira, Marcos, Sonké, Bonaventure, Steininger, Marc K., Steinmetz, Robert, Stévart, Tariq, Sukumar, Raman, Sultana, Aisha, Sunderland, Terry C. H., Suresh, Hebbalalu Satyanarayana, Tang, Jianwei, Tanner, Edmund, Steege, Hans, Terborgh, John W., Theilade, Ida, Timberlake, Jonathan, Torres‐Lezama, Armando, Umunay, Peter, Uriarte, María, Gamarra, Luis Valenzuela, Bult, Martin, Hout, Peter, Martinez, Rodolfo Vasquez, Vieira, Ima Célia Guimarães, Vieira, Simone A., Vilanova, Emilio, Cayo, Jeanneth Villalobos, Wang, Ophelia, Webb, Campbell O., Webb, Edward L., White, Lee, Whitfeld, Timothy J. S., Wich, Serge, Willcock, Simon, Wiser, Susan K., Young, Kenneth R., Zakaria, Rahmad, Zang, Runguo, Zartman, Charles E., Zo‐Bi, Irié Casimir, McGeoch, Melodie, and Balslev, Henrik

Abstract

Aim Palms are an iconic, diverse and often abundant component of tropical ecosystems that provide many ecosystem services. Being monocots, tree palms are evolutionarily, morphologically and physiologically distinct from other trees, and these differences have important consequences for ecosystem services (e.g., carbon sequestration and storage) and in terms of responses to climate change. We quantified global patterns of tree palm relative abundance to help improve understanding of tropical forests and reduce uncertainty about these ecosystems under climate change. Location Tropical and subtropical moist forests. Time period Current. Major taxa studied Palms (Arecaceae). Methods We assembled a pantropical dataset of 2,548 forest plots (covering 1,191 ha) and quantified tree palm (i.e., ≥10 cm diameter at breast height) abundance relative to co‐occurring non‐palm trees. We compared the relative abundance of tree palms across biogeographical realms and tested for associations with palaeoclimate stability, current climate, edaphic conditions and metrics of forest structure. Results On average, the relative abundance of tree palms was more than five times larger between Neotropical locations and other biogeographical realms. Tree palms were absent in most locations outside the Neotropics but present in >80% of Neotropical locations. The relative abundance of tree palms was more strongly associated with local conditions (e.g., higher mean annual precipitation, lower soil fertility, shallower water table and lower plot mean wood density) than metrics of long‐term climate stability. Life‐form diversity also influenced the patterns; palm assemblages outside the Neotropics comprise many non‐tree (e.g., climbing) palms. Finally, we show that tree palms can influence estimates of above‐ground biomass, but the magnitude and direction of the effect require additional work. Conclusions Tree palms are not only quintessentially tropical, but they are also overwhelmingly Neotropical

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