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Robustness of trait connections across environmental gradients and growth forms
Flores Moreno, Habacuc (University of Minnesota. Department of Ecology, Evolution, and Behavior)
Fazayeli, Farideh (University of Minnesota. Department of Computer Science and Engineering)
Banerjee, Arindam (University of Minnesota. Department of Computer Science and Engineering)
Datta, Abhirup (Johns Hopkins University. Department of Biostatistics)
Kattge, Jens (Max Planck Institute for Biogeochemistry)
Butler, Ethan E. (University of Minnesota. Department of Forest Resources)
Atkin, Owen K. (The Australian National University. Research School of Biology)
Wythers, Kirk (University of Minnesota. Department of Forest Resources)
Chen, Ming (University of Minnesota. Department of Forest Resources)
Anand, Madhur (University of Guelph. School of Environmental Sciences)
Bahn, Michael (University of Innsbruck. Institute of Ecology)
Byun, Chaeho (Seoul National University. School of Biological Sciences)
Cornelissen, J. H. C. (Vrije Universiteit Amsterdam. Department of Ecological Science)
Craine, Joseph (Jonah Ventures (Kansas, Estats Units))
Gonzalez-Melo, Andres (Universidad del Rosario (Bogotà, Colòmbia). Facultad de Ciencias Naturales y Matematicas)
Hattingh, Wesley N. (University of the Witwatersrand. School of Animal, Plant and Environmental Sciences)
Jansen, Steven (Ulm University. Institute of Systematic Botany and Ecology)
Kraft, Nathan J. B. (University of California. Department of Ecology and Evolutionary Biology)
Kramer, Koen (Wageningen University and Research)
Laughlin, Daniel C. (University of Wyoming. Department of Botany)
Minden, Vanessa (Vrije Universiteit Brussel. Department of Biology, Ecology and Biodiversity)
Niinemets, Ülo (Estonian University of Life Sciences. Institute of Agricultural and Environmental Sciences)
Onipchenko, Vladimir (Moscow State Lomonosov University. Department of Geobotany)
Peñuelas, Josep (Centre de Recerca Ecològica i d'Aplicacions Forestals)
Soudzilovskaia, Nadejda A. (Leiden University. Institute of Environmental Sciences)
Dalrymple, Rhiannon L. (University of New South Wales. School of Biological, Earth and Environmental Sciences)
Reich, Peter (University of Minnesota. Department of Forest Resources)

Data: 2019
Resum: Aim: plant trait databases often contain traits that are correlated, but for whom direct (undirected statistical dependency) and indirect (mediated by other traits) connections may be confounded. The confounding of correlation and connection hinders our understanding of plant strategies, and how these vary among growth forms and climate zones. We identified the direct and indirect connections across plant traits relevant to competition, resource acquisition and reproductive strategies using a global database and explored whether connections within and between traits from different tissue types vary across climates and growth forms. - Location: global. - Major taxa studied: plants. - Time period: present. - Methods: we used probabilistic graphical models and a database of 10 plant traits (leaf area, specific leaf area, mass- and area-based leaf nitrogen and phosphorous content, leaf life span, plant height, stem specific density and seed mass) with 16,281 records to describe direct and indirect connections across woody and non-woody plants across tropical, temperate, arid, cold and polar regions. - Results: trait networks based on direct connections are sparser than those based on correlations. Land plants had high connectivity across traits within and between tissue types; leaf life span and stem specific density shared direct connections with all other traits. For both growth forms, two groups of traits form modules of more highly connected traits; one related to resource acquisition, the other to plant architecture and reproduction. Woody species had higher trait network modularity in polar compared to temperate and tropical climates, while non-woody species did not show significant differences in modularity across climate regions. - Main conclusions: plant traits are highly connected both within and across tissue types, yet traits segregate into persistent modules of traits. Variation in the modularity of trait networks suggests that trait connectivity is shaped by prevailing environmental conditions and demonstrates that plants of different growth forms use alternative strategies to cope with local conditions.
Ajuts: European Commission 610028
Drets: Tots els drets reservats.
Llengua: Anglès
Document: Article ; recerca ; Versió acceptada per publicar
Matèria: Leaf traits ; Plant functional traits ; Plant strategy integration ; Seed traits ; Stem traits ; Trait interdependence ; Trait networks
Publicat a: Global ecology and biogeography, Vol. 28, issue 12 (Dec. 2019) , p. 1806-1826, ISSN 1466-822X

DOI: 10.1111/geb.12996


Post-print. Article
16 p, 523.4 KB

Post-print. Material complementari
51 p, 10.1 MB

El registre apareix a les col·leccions:
Documents de recerca > Documents dels grups de recerca de la UAB > Centres i grups de recerca (producció científica) > Ciències > CREAF (Centre de Recerca Ecològica i d'Aplicacions Forestals) > Imbalance-P
Articles > Articles de recerca
Articles > Articles publicats

 Registre creat el 2020-02-11, darrera modificació el 2023-12-05



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