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Experimental evidence that evolutionary relatedness does not affect the ecological mechanisms of coexistence in freshwater green algae

Open access
Narwani, Anita, Alexandrou, Markos A., Oakley, Todd H., Carroll, Ian T., Cardinale, Bradley J.·2013·Ecology Letters

Abstract

The coexistence of competing species depends on the balance between their fitness differences, which determine their competitive inequalities, and their niche differences, which stabilise their competitive interactions. Darwin proposed that evolution causes species' niches to diverge, but the influence of evolution on relative fitness differences, and the importance of both niche and fitness differences in determining coexistence have not yet been studied together. We tested whether the phylogenetic distances between species of green freshwater algae determined their abilities to coexist in a microcosm experiment. We found that niche differences were more important in explaining coexistence than relative fitness differences, and that phylogenetic distance had no effect on either coexistence or on the sizes of niche and fitness differences. These results were corroborated by an analysis of the frequency of the co‐occurrence of 325 pairwise combinations of algal taxa in > 1100 lakes across North America. Phylogenetic distance may not explain the coexistence of freshwater green algae.

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Metadata

Authors
Narwani, A., Alexandrou, M. A., Oakley, T. H., Carroll, I. T., & Cardinale, B. J.
Venue
Ecology Letters
Publisher
Wiley
Published
2013-09-23
Volume
16
Issue
11
Pages
1373-1381
ISSN
  • 1461-023X (ISSN-L)
  • 1461-0248
OpenAlex
W2144073767
Cited by
223
References
4
FWCI
19.26
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Experimental evidence that evolutionary relatedness does not affect the ecological mechanisms of coexistence in freshwater green algae. https://app.cochat.ai/papers/10.1111/ele.12182
The paper
Narwani, A., Alexandrou, M. A., Oakley, T. H., Carroll, I. T., & Cardinale, B. J. (2013). Experimental evidence that evolutionary relatedness does not affect the ecological mechanisms of coexistence in freshwater green algae. Ecology Letters. https://doi.org/10.1111/ele.12182

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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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