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Ecological and evolutionary drivers of the elevational gradient of diversity

AuthorsLaiolo, Paola ; Pato Fernández, Joaquina ; Obeso Suárez, José Ramón
Functional Diversity
Habitat Heterogeneity
Island Biogeography
Mid-Domain Effect
Species Richness
Issue Date2-May-2018
PublisherJohn Wiley & Sons
CitationEcology Letters 21(7): 1022-1032 (2018)
AbstractEcological, evolutionary, spatial and neutral theories make distinct predictions and provide distinct explanations for the mechanisms that control the relationship between diversity and the environment. Here, we test predictions of the elevational diversity gradient focusing on Iberian bumblebees, grasshoppers and birds. Processes mediated by local abundance and regional diversity concur in explaining local diversity patterns along elevation. Effects expressed through variation in abundance were similar among taxa and point to the overriding role of a physical factor, temperature. This determines how energy is distributed among individuals and ultimately how the resulting pattern of abundance affects species incidence. Effects expressed through variation in regional species pools depended instead on taxon‐specific evolutionary history, and lead to diverging responses under similar environmental pressures. Local filters and regional variation also explain functional diversity gradients, in line with results from species richness that indicate an (local) ecological and (regional) historical unfolding of diversity–elevation relationships.
DescriptionThis is the peer reviewed version of the following article:Laiolo, P. , Pato, J. and Obeso, J. R. (2018), Ecological and evolutionary drivers of the elevational gradient of diversity. Ecol Lett, 21: 1022-1032. doi:10.1111/ele.12967, which has been published in final form at https://doi.org/10.1111/ele.12967. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving
Publisher version (URL)https://doi.org/10.1111/ele.12967
Appears in Collections:(INCAR) Artículos
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