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601 results on '"SHIPLEY, BILL"'

1. The global spectrum of plant form and function: enhanced species-level trait dataset.

Author

Díaz, Sandra, Kattge, Jens, Cornelissen, Johannes HC, Wright, Ian J, Lavorel, Sandra, Dray, Stéphane, Reu, Björn, Kleyer, Michael, Wirth, Christian, Prentice, I Colin, Garnier, Eric, Bönisch, Gerhard, Westoby, Mark, Poorter, Hendrik, Reich, Peter B, Moles, Angela T, Dickie, John, Zanne, Amy E, Chave, Jérôme, Wright, S Joseph, Sheremetiev, Serge N, Jactel, Hervé, Baraloto, Christopher, Cerabolini, Bruno EL, Pierce, Simon, Shipley, Bill, Casanoves, Fernando, Joswig, Julia S, Günther, Angela, Falczuk, Valeria, Rüger, Nadja, Mahecha, Miguel D, Gorné, Lucas D, Amiaud, Bernard, Atkin, Owen K, Bahn, Michael, Baldocchi, Dennis, Beckmann, Michael, Blonder, Benjamin, Bond, William, Bond-Lamberty, Ben, Brown, Kerry, Burrascano, Sabina, Byun, Chaeho, Campetella, Giandiego, Cavender-Bares, Jeannine, Chapin, F Stuart, Choat, Brendan, Coomes, David Anthony, Cornwell, William K, Craine, Joseph, Craven, Dylan, Dainese, Matteo, de Araujo, Alessandro Carioca, de Vries, Franciska T, Domingues, Tomas Ferreira, Enquist, Brian J, Fagúndez, Jaime, Fang, Jingyun, Fernández-Méndez, Fernando, Fernandez-Piedade, Maria T, Ford, Henry, Forey, Estelle, Freschet, Gregoire T, Gachet, Sophie, Gallagher, Rachael, Green, Walton, Guerin, Greg R, Gutiérrez, Alvaro G, Harrison, Sandy P, Hattingh, Wesley Neil, He, Tianhua, Hickler, Thomas, Higgins, Steven I, Higuchi, Pedro, Ilic, Jugo, Jackson, Robert B, Jalili, Adel, Jansen, Steven, Koike, Fumito, König, Christian, Kraft, Nathan, Kramer, Koen, Kreft, Holger, Kühn, Ingolf, Kurokawa, Hiroko, Lamb, Eric G, Laughlin, Daniel C, Leishman, Michelle, Lewis, Simon, Louault, Frédérique, Malhado, Ana CM, Manning, Peter, Meir, Patrick, Mencuccini, Maurizio, Messier, Julie, Miller, Regis, Minden, Vanessa, Molofsky, Jane, and Montgomery, Rebecca

Abstract

Here we provide the 'Global Spectrum of Plant Form and Function Dataset', containing species mean values for six vascular plant traits. Together, these traits -plant height, stem specific density, leaf area, leaf mass per area, leaf nitrogen content per dry mass, and diaspore (seed or spore) mass - define the primary axes of variation in plant form and function. The dataset is based on ca. 1 million trait records received via the TRY database (representing ca. 2,500 original publications) and additional unpublished data. It provides 92,159 species mean values for the six traits, covering 46,047 species. The data are complemented by higher-level taxonomic classification and six categorical traits (woodiness, growth form, succulence, adaptation to terrestrial or aquatic habitats, nutrition type and leaf type). Data quality management is based on a probabilistic approach combined with comprehensive validation against expert knowledge and external information. Intense data acquisition and thorough quality control produced the largest and, to our knowledge, most accurate compilation of empirically observed vascular plant species mean traits to date.

Published
2022

7. Habitat filtering determines the functional niche occupancy of plant communities worldwide

Author

Li, Yuanzhi, Shipley, Bill, Price, Jodi N, de L. Dantas, Vinícius, Tamme, Riin, Westoby, Mark, Siefert, Andrew, Schamp, Brandon S, Spasojevic, Marko J, Jung, Vincent, Laughlin, Daniel C, Richardson, Sarah J, Le Bagousse‐Pinguet, Yoann, Schöb, Christian, Gazol, Antonio, Prentice, Honor C, Gross, Nicolas, Overton, Jake, Cianciaruso, Marcus V, Louault, Frédérique, Kamiyama, Chiho, Nakashizuka, Tohru, Hikosaka, Kouki, Sasaki, Takehiro, Katabuchi, Masatoshi, Dussault, Cédric Frenette, Gaucherand, Stephanie, Chen, Ning, Vandewalle, Marie, and Batalha, Marco Antônio

Subjects
Life Below Water, community assembly, determinants of plant community diversity and structure, habitat filtering, intraspecific trait variability, limiting similarity, niche occupancy, species richness, Environmental Sciences, Biological Sciences, Agricultural and Veterinary Sciences, Ecology
Published
2018

11. Testing models for the leaf economics spectrum with leaf and whole-plant traits in Arabidopsis thaliana.

Author

Blonder, Benjamin, Vasseur, François, Violle, Cyrille, Shipley, Bill, Enquist, Brian, and Vile, Denis

Subjects
Arabidopsis, cytoplasm–cell wall partitioning, genotype, leaf economics spectrum, structural equation modelling, vein density, venation network
Abstract

The leaf economics spectrum (LES) describes strong relationships between multiple functional leaf traits that determine resource fluxes in vascular plants. Five models have been proposed to explain these patterns: two based on patterns of structural allocation, two on venation networks and one on resource allocation to cell walls and cell contents. Here we test these models using data for leaf and whole-plant functional traits. We use structural equation modelling applied to multiple ecotypes, recombinant inbred lines, near isogenic lines and vascular patterning mutants of Arabidopsis thaliana that express LES trait variation. We show that a wide variation in multiple functional traits recapitulates the LES at the whole-plant scale. The Wright et al. (2004) model and the Blonder et al. (2013) venation network model cannot be rejected by data, while two simple models and the Shipley et al. (2006) allocation model are rejected. Venation networks remain a key hypothesis for the origin of the LES, but simpler explanations also cannot be ruled out.

Published
2015

14. Predicting habitat affinities of plant species using commonly measured functional traits

Author

Shipley, Bill, Belluau, Michael, Kühn, Ingolf, Soudzilovskaia, Nadejda A., Bahn, Michael, Penuelas, Josep, Kattge, Jens, Sack, Lawren, Cavender-Bares, Jeannine, Ozinga, Wim A., Blonder, Benjamin, van Bodegom, Peter M., Manning, Peter, Hickler, Thomas, Sosinski, Enio, De Patta Pillar, Valério, Onipchenko, Vladimir, and Poschlod, Peter

Published
2017

17. Towards a thesaurus of plant characteristics: an ecological contribution

Author

Garnier, Eric, Stahl, Ulrike, Laporte, Marie-Angélique, Kattge, Jens, Mougenot, Isabelle, Kühn, Ingolf, Laporte, Baptiste, Amiaud, Bernard, Ahrestani, Farshid S., Bönisch, Gerhard, Bunker, Daniel E., Cornelissen, J. Hans C., Díaz, Sandra, Enquist, Brian J., Gachet, Sophie, Jaureguiberry, Pedro, Kleyer, Michael, Lavorel, Sandra, Maicher, Lutz, Pérez-Harguindeguy, Natalia, Poorter, Hendrik, Schildhauer, Mark, Shipley, Bill, Violle, Cyrille, Weiher, Evan, Wirth, Christian, Wright, Ian J., and Klotz, Stefan

Published
2017

18. A global method for calculating plant CSR ecological strategies applied across biomes world-wide

Author

Pierce, Simon, Negreiros, Daniel, Cerabolini, Bruno E. L., Kattge, Jens, Díaz, Sandra, Kleyer, Michael, Shipley, Bill, Wright, Stuart Joseph, Soudzilovskaia, Nadejda A., Onipchenko, Vladimir G., van Bodegom, Peter M., Frenette-Dussault, Cedric, Weiher, Evan, Pinho, Bruno X., Cornelissen, Johannes H. C., Grime, John Philip, Thompson, Ken, Hunt, Roderick, Wilson, Peter J., Buffa, Gabriella, Nyakunga, Oliver C., Reich, Peter B., Caccianiga, Marco, Mangili, Federico, Ceriani, Roberta M., Luzzaro, Alessandra, Brusa, Guido, Siefert, Andrew, Barbosa, Newton P. U., Chapin, Francis Stuart, Cornwell, William K., Fang, Jingyun, Fernandes, Geraldo Wilson, Garnier, Eric, Le Stradic, Soizig, Peñuelas, Josep, Melo, Felipe P. L., Slaviero, Antonio, Tabarelli, Marcelo, and Tampucci, Duccio

Published
2017

23. Testing Model Fit in Path Models with Dependent Errors Given Non-Normality, Non-Linearity and Hierarchical Data

Author

Douma, Jacob C., Shipley, Bill, Douma, Jacob C., and Shipley, Bill

Abstract

We provide a generic method of testing path models that include dependent errors, nonlinear functional relationships and using nonnormal, hierarchically structured data. First, we provide a decomposition of the causal model into smaller, independent sets. These sets can be modeled independently of each other with methods that respect the type of data in these sets. Second, we introduce copulas to model the dependent errors between non-normally distributed variables. Our method yields identical results as classical covariance-based path modelling when meeting its assumptions of linearity and normality, outperforms classical SEM given nonlinear functional relationships, and can easily accommodate any parametric probability function and nonlinear functional relationships.

Published
2023

38. The global spectrum of plant form and function

Author

Diaz, Sandra, Kattge, Jens, Cornelissen, Johannes H.C., Wright, Ian J., Lavorel, Sandra, Dray, Stephane, Reu, Bjrn, Kleyer, Michael, Wirth, Christian, Prentice, I. Colin, Garnier, Eric, Bonisch, Gerhard, Westoby, Mark, Poorter, Hendrik, Reich, Peter B., Moles, Angela T., Dickie, John, Gillison, Andrew N., Zanne, Amy E., Chave, Jerome, Wright, S. Joseph, Sheremetev, Serge N., Jactel, Herve, Baraloto, Christopher, Cerabolini, Bruno, Pierce, Simon, Shipley, Bill, Kirkup, Donald, Casanoves, Fernando, Joswig, Julia S., Gunther, Angela, Falczuk, Valeria, Ruger, Nadja, Mahecha, Miguel D., and Gorne, Lucas D.

Subjects
Adaptation (Biology) -- Analysis, Ecosystems -- Analysis, Radiobiology -- Usage, Environmental issues, Science and technology, Zoology and wildlife conservation
Abstract

Earth is home to a remarkable diversity of plant forms and life histories, yet comparatively few essential trait combinations have proved evolutionarily viable in today's terrestrial biosphere. By analysing worldwide variation in six major traits critical to growth, survival and reproduction within the largest sample of vascular plant species ever compiled, we found that occupancy of six-dimensional trait space is strongly concentrated, indicating coordination and trade-offs. Three-quarters of trait variation is captured in a two-dimensional global spectrum of plant form and function. One major dimension within this plane reflects the size of whole plants and their parts; the other represents the leaf economics spectrum, which balances leaf construction costs against growth potential. The global plant trait spectrum provides a backdrop for elucidating constraints on evolution, for functionally qualifying species and ecosystems, and for improving models that predict future vegetation based on continuous variation in plant form and function., Vascular plants are the main entry point for energy and matter into the Earth's terrestrial ecosystems. Their Darwinian struggle for growth, survival and reproduction in very different arenas has resulted [...]

Published
2016
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