Local diversity, beta diversity and climate influence the regional stability of bird biomass across North America

Christopher Catano, Trevor Fristoe, Joseph LaManna & Jonathan Myers
Biodiversity often stabilizes aggregate ecosystem properties (e.g., biomass) at small spatial scales. However, the importance of species diversity within communities and variation in species composition among communities (β-diversity) for stability at larger scales remains unclear. Using a continental-scale analysis of 1,657 North American breeding-bird communities spanning 20-years and 35 ecoregions, we show local species diversity and β-diversity influence two components of regional stability: local stability (stability of bird biomass within sites) and spatial asynchrony (asynchronous...
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