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The DOI matches its Crossref record; 13 of the 13 references it cites were found in a registry or an index.

Environmental heterogeneity as a universal driver of species richness across taxa, biomes and spatial scales

Open access
Stein, Anke, Gerstner, Katharina, Kreft, Holger·2014·Ecology Letters

Abstract

Environmental heterogeneity is regarded as one of the most important factors governing species richness gradients. An increase in available niche space, provision of refuges and opportunities for isolation and divergent adaptation are thought to enhance species coexistence, persistence and diversification. However, the extent and generality of positive heterogeneity–richness relationships are still debated. Apart from widespread evidence supporting positive relationships, negative and hump‐shaped relationships have also been reported. In a meta‐analysis of 1148 data points from 192 studies worldwide, we examine the strength and direction of the relationship between spatial environmental heterogeneity and species richness of terrestrial plants and animals. We find that separate effects of heterogeneity in land cover, vegetation, climate, soil and topography are significantly positive, with vegetation and topographic heterogeneity showing particularly strong associations with species richness. The use of equal‐area study units, spatial grain and spatial extent emerge as key factors influencing the strength of heterogeneity–richness relationships, highlighting the pervasive influence of spatial scale in heterogeneity–richness studies. We provide the first quantitative support for the generality of positive heterogeneity–richness relationships across heterogeneity components, habitat types, taxa and spatial scales from landscape to global extents, and identify specific needs for future comparative heterogeneity–richness research.

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Metadata

Authors
Stein, A., Gerstner, K., & Kreft, H.
Venue
Ecology Letters
Publisher
Wiley
Published
2014-04-20
Volume
17
Issue
7
Pages
866-880
ISSN
  • 1461-023X (ISSN-L)
  • 1461-0248
OpenAlex
W2122131085
Cited by
2,054
References
13
FWCI
69.61
Type
journal article
Language
en
Open access
green

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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