L'herbier IRD de Guyane

Gonzalez, Sophie; Bilot-Guérin, Véronique; Delprete, Piero G.; Geniez, Chantal; Molino, Jean‐François; Smock, Jean-Louis; Théveny, Frédéric

doi:10.23708/herbier-guyane-ird

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A "Perfect Knowledge" Simulation Model1

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2022

2023

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“…(a) Diversity of tree species architecture and height in a tropical forest (Hallé et al, 1978). Coordinates are in m; (b) Diversity of seed size and shape from 17 tree species of the Fabaceae family in the Peruvian Amazon (Muller-Landau, 2003); (c) Diversity of leaf size and shape (herbarium of Cayenne, Gonzalez et al, 2021) and of wood aspect (reflecting wood characteristics) and density (Normand et al, 2017) for 12 tree species in French Guiana. We considered the following "perfect knowledge" mathematical model, which depicts the exact attribute Y ijt (e.g., growth) of an individual i of species j given its environment at time t (Equation 1, Appendix S1).…”

Section: A "Perfect Knowledge" Simulation Modelmentioning

confidence: 99%

Rethinking the nature of intraspecific variability and its consequences on species coexistence

Girard‐Tercieux

Maréchaux

Clark

et al. 2023

Ecology and Evolution

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Intraspecific variability (IV) has been proposed to explain species coexistence in diverse communities. Assuming, sometimes implicitly, that conspecific individuals can perform differently in the same environment and that IV increases niche overlap, previous studies have found contrasting results regarding the effect of IV on species coexistence. We aim at showing that the large IV observed in data does not mean that

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