journal article Apr 18, 2014

Assemblage Time Series Reveal Biodiversity Change but Not Systematic Loss

View at Publisher Save 10.1126/science.1248484
Abstract
Changing Assemblages

Although the rate of species extinction has increased markedly as a result of human activity across the biosphere, conservation has focused on endangered species rather than on shifts in assemblages.

Dornelas
et al.

(p.
296
; see the Perspective by

Pandolfi and Lovelock

), using an extensive set of biodiversity time series of species occurrences in both marine and terrestrial habitats from the past 150 years, find species turnover above expected but do not find evidence of systematic biodiversity loss. This result could be caused by homogenization of species assemblages by invasive species, shifting distributions induced by climate change, and asynchronous change across the planet. All of which indicates that it is time to review conservation priorities.
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