Cross-taxon congruence and environmental conditions.

BMC Ecology
Carolina Toranza, Matías Arim

Abstract

Diversity patterns of different taxa typically covary in space, a phenomenon called cross-taxon congruence. This pattern has been explained by the effect of one taxon diversity on taxon diversity, shared biogeographic histories of different taxa, and/or common responses to environmental conditions. A meta-analysis of the association between environment and diversity patterns found that in 83 out of 85 studies, more than 60% of the spatial variability in species richness was related to variables representing energy, water or their interaction. The role of the environment determining taxa diversity patterns leads us to hypothesize that this would explain the observed cross-taxon congruence. However, recent analyses reported the persistence of cross-taxon congruence when environmental effect was statistically removed. Here we evaluate this hypothesis, analyzing the cross-taxon congruence between birds and mammals in the Brazilian Cerrado, and assess the environmental role on the spatial covariation in diversity patterns. We found a positive association between avian and mammal richness and a positive latitudinal trend for both groups in the Brazilian Cerrado. Regression analyses indicated an effect of latitude, PET, and mean tempe...Continue Reading

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Citations

Jul 5, 2012·PloS One·Simone FattoriniLaurence M Cook
Nov 24, 2012·The Journal of Animal Ecology·Clement TisseuilThierry Oberdorff
Mar 9, 2019·Ecological Applications : a Publication of the Ecological Society of America·J van SchalkwykR Gaigher
Aug 19, 2017·BMC Ecology·Christopher FooteJosef Settele
Jul 11, 2021·The Science of the Total Environment·Flóra TinyaPéter Ódor

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