Anthropogenic environmental changes affect ecosystem stability via biodiversity

Research output: Contribution to journalArticle

192 Scopus citations

Abstract

Human-driven environmental changes may simultaneously affect the biodiversity, productivity, and stability of Earth's ecosystems, but there is no consensus on the causal relationships linking these variables. Data from 12 multiyear experiments that manipulate important anthropogenic drivers, including plant diversity, nitrogen, carbon dioxide, fire, herbivory, and water, show that each driver influences ecosystem productivity. However, the stability of ecosystem productivity is only changed by those drivers that alter biodiversity, with a given decrease in plant species numbers leading to a quantitatively similar decrease in ecosystem stability regardless of which driver caused the biodiversity loss. These results suggest that changes in biodiversity caused by drivers of environmental change may be a major factor determining how global environmental changes affect ecosystem stability.

Original languageEnglish (US)
Pages (from-to)336-340
Number of pages5
JournalScience
Volume348
Issue number6232
DOIs
StatePublished - Apr 17 2015

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