Stacked evidence
This week marks one year since the publication of our paper on the global human impact on biodiversity. In that study, we brought together a very large body of ecological evidence to ask a broad question that, though simple, is particularly hard to answer. Across ecosystems, taxa and human pressures, how are human activities impacting biodiversity? In short, we found a clear signal of compositional change and a general decline in local diversity, but not a single universal pattern of…