Plant functional traits and environmental filters at a regional scale
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Blackwell Publishing Ltd
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Links between plant traits and the environment, i.e. sets of plant attributes consistently associated with certain environmental conditions, are the consequence of the filtering effect of climatic, disturbance and biotic conditions. These filters determine which components of a species pool are assembled into local communities. We aimed at testing for consistent association between plant traits and climatic conditions along a steep regional gradient, divided into 13 climatically homogeneous sectors, in central-westem Argentina. We analyzed 19 vegetative and regeneration traits of the 100 most abundant species along the gradient. For each trait, we tested for homogeneity of frequencies of different categories between sectors and the regional species pool, using the x2 statistic. We rejected H,, in 7 1% of the pair-wise comparisons, which strongly suggests a 'filtering effect' of climatic factors on
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Planta||plants||planta||plante, Ecología vegetal||plant ecology||Ecologia vegetal||phytoécologie, Cambio climático antropogénico||anthropogenic climate change||undefined||changements climatiques anthropogéniques, Comunidad vegetal||plant communities||comunidade vegetal||communauté végétale, Argentina||Argentina||Argentina||Argentine, Assembly rule, Climatic gradient, Cambio climático antropogénico||anthropogenic climate change||undefined||changements climatiques anthropogéniques, Trait environment linkage, Plant functional type, Sede Central, ODS 13 - Acción por el clima, ODS 15 - Vida de ecosistemas terrestres