Evidence for niche conservatism in alpine beetles under a climate-driven species pump model

Jillian Schat, Yi-Ming Weng, Roman Dudko, David Kavanaugh, Lan Luo & Sean Schoville
Aim Past glacial climate cycles have generated lineage diversity in alpine habitats, acting as a climate-driven species pump. It is not clear how much this process contributes to ecological diversification of alpine species. To examine this problem, we test patterns of genetic and phenotypic divergence in two co-distributed species complexes of flightless alpine ground beetles. Greater differentiation in ecologically-important functional traits would indicate that ecological selection is an outcome of oscillating climate change, whereas greater...
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