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An invariability-area relationship sheds new light on the spatial scaling of ecological stability.


ABSTRACT: The spatial scaling of stability is key to understanding ecological sustainability across scales and the sensitivity of ecosystems to habitat destruction. Here we propose the invariability-area relationship (IAR) as a novel approach to investigate the spatial scaling of stability. The shape and slope of IAR are largely determined by patterns of spatial synchrony across scales. When synchrony decays exponentially with distance, IARs exhibit three phases, characterized by steeper increases in invariability at both small and large scales. Such triphasic IARs are observed for primary productivity from plot to continental scales. When synchrony decays as a power law with distance, IARs are quasilinear on a log-log scale. Such quasilinear IARs are observed for North American bird biomass at both species and community levels. The IAR provides a quantitative tool to predict the effects of habitat loss on population and ecosystem stability and to detect regime shifts in spatial ecological systems, which are goals of relevance to conservation and policy.

SUBMITTER: Wang S 

PROVIDER: S-EPMC5454453 | biostudies-literature | 2017 May

REPOSITORIES: biostudies-literature

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An invariability-area relationship sheds new light on the spatial scaling of ecological stability.

Wang Shaopeng S   Loreau Michel M   Arnoldi Jean-Francois JF   Fang Jingyun J   Rahman K Abd KA   Tao Shengli S   de Mazancourt Claire C  

Nature communications 20170519


The spatial scaling of stability is key to understanding ecological sustainability across scales and the sensitivity of ecosystems to habitat destruction. Here we propose the invariability-area relationship (IAR) as a novel approach to investigate the spatial scaling of stability. The shape and slope of IAR are largely determined by patterns of spatial synchrony across scales. When synchrony decays exponentially with distance, IARs exhibit three phases, characterized by steeper increases in inva  ...[more]

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