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Emerging niche clustering results from both competition and predation
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- Haraldsson, Matilda, 1980 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för marina vetenskaper,Department of marine sciences
- Thebault, E. (author)
- (creator_code:org_t)
- 2023
- 2023
- English.
- In: Ecology Letters. - 1461-023X. ; 26:7, s. 1200-1211
- Journal article (peer-reviewed)
Abstract
Subject headings
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- Understanding species coexistence has been a central question in ecology for decades, and the notion that competing species need to differ in their ecological niche for stable coexistence has dominated. Recent theoretical and empirical work suggests differently. Species can also escape competitive exclusion by being similar, leading to clusters of species with similar traits. This theory has so far only been explored under competition. By combining mathematical and numerical analyses, we reveal that competition and predation are equally capable to promote clusters of similar species in prey-predator communities, their relative importance being modulated by resource availability. We further show that predation has a stabilizing effect on clustering patterns, making the clusters more diverse. Our results merge different ecological theories and bring new light to the emergent neutrality theory by adding the perspective of trophic interactions. These results open new perspectives to the study of trait distributions in ecological interaction networks.
Subject headings
- NATURVETENSKAP -- Biologi -- Ekologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Ecology (hsv//eng)
Keyword
- clustering
- coexistence
- competition
- diversity
- emergent neutrality
- theory
- niche axes
- trophic interactions
Publication and Content Type
- ref (subject category)
- art (subject category)
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