Fossils, phylogenies and the evolving climate niche

Algar, Adam C.; Tarr, Simon

doi:10.1038/s41559-018-0480-z

Cited by 1 publication

(1 citation statement)

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“…First, the sensitivity of a species to climate change is defined as the degree to which it is affected by any kind of climate change (Foden et al, 2018;IPCC, 2007). Species' sensitivity to climate change is influenced by their climatic niche, that is the climatic conditions in which species can maintain evolutionary fitness and stable populations (Algar & Tarr, 2018). Second, the adaptive capacity of a species is defined as its ability to adjust to any kind of climate change, respond to its consequences and moderate potential damage (Foden et al, 2018;IPCC, 2007IPCC, , 2014.…”

Section: Introductionmentioning

confidence: 99%

Independent variation of avian sensitivity to climate change and trait‐based adaptive capacity along a tropical elevational gradient

Nowak

Schleuning

Bender

et al. 2022

Diversity and Distributions

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Aim How species respond to climate change is influenced by their sensitivity to climatic conditions (i.e. their climatic niche) and aspects of their adaptive capacity (e.g. their dispersal ability and ecological niche). To date, it is largely unknown whether and how species’ sensitivity to climate change and their adaptive capacity covary. However, understanding this relationship is important to predict the potential consequences of a changing climate for species assemblages. Here, we test how species’ sensitivity to climate change and trait‐based measures of their ecological adaptive capacity (i) vary along a broad elevational gradient and (ii) covary across a large number of bird species. Location A Neotropical elevational gradient (300–3600 m.a.s.l.) in the Manú Biosphere Reserve, south‐east Peru. Methods We focus on 215 frugivorous bird species along a Neotropical elevational gradient. We approximate species’ sensitivity to climate change by their climatic niche breadth, based on species occurrences across South America and bioclimatic variables. In addition, we use a trait‐based approach to estimate the dispersal ability of species (approximated by their wing pointedness), their dietary niche breadth (approximated by bill width) and their habitat niche breadth (the number of used habitat classes). Results We found that (i) species’ climatic niche breadth increased with elevation, while their trait‐based dispersal ability and dietary niche breadth decreased with elevation, and (ii) sensitivity to climate change and trait‐based adaptive capacity were not related across species. Main conclusions These results suggest different mechanisms of how species in lowland and highland assemblages might respond to climate change. The independent variation of species’ sensitivity to climate change and their trait‐based adaptive capacity suggests that accounting for both dimensions will improve assessments of species’ susceptibility to climate change and potential impacts of climate change on diverse species assemblages.

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Section: Introductionmentioning

confidence: 99%