A millennium of increasing diversity of ecosystems until the mid-20th century

© 2022 The Authors. Global Change Biology published by John Wiley & Sons Ltd.

Bibliographische Detailangaben
Veröffentlicht in:Global change biology. - 1999. - 28(2022), 20 vom: 01. Okt., Seite 5945-5955
1. Verfasser: Martins, Inês S (VerfasserIn)
Weitere Verfasser: Dornelas, Maria, Vellend, Mark, Thomas, Chris D
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2022
Zugriff auf das übergeordnete Werk:Global change biology
Schlagworte:Journal Article Anthropocene diversity metrics ecosystem diversity global change land-use change spatial ecology spatio-temporal
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520 |a Land-use change is widely regarded as a simplifying and homogenising force in nature. In contrast, analysing global land-use reconstructions from the 10th to 20th centuries, we found progressive increases in the number, evenness, and diversity of ecosystems (including human-modified land-use types) present across most of the Earth's land surface. Ecosystem diversity increased more rapidly after ~1700 CE, then slowed or slightly declined (depending on the metric) following the mid-20th century acceleration of human impacts. The results also reveal increasing spatial differentiation, rather than homogenisation, in both the presence-absence and area-coverage of different ecosystem types at sub-global scales-at least, prior to the mid-20th century. Nonetheless, geographic homogenization was revealed for a subset of analyses at a global scale, reflecting the now-global presence of certain human-modified ecosystem types. Our results suggest that, while human land-use changes have caused declines in relatively undisturbed or "primary" ecosystem types, they have also driven increases in ecosystem diversity over the last millennium 
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650 4 |a spatio-temporal 
700 1 |a Dornelas, Maria  |e verfasserin  |4 aut 
700 1 |a Vellend, Mark  |e verfasserin  |4 aut 
700 1 |a Thomas, Chris D  |e verfasserin  |4 aut 
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