Journal
THEORETICAL ECOLOGY
Volume 4, Issue 4, Pages 467-478Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s12080-010-0089-6
Keywords
Food-web structure; Biodiversity; Evolution; Coevolution; Adaptive dynamics; Adaptive radiation
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Funding
- European Marie Curie Research Training Network FishACE
- European Community [MRTN-CT-2004-005578]
- Swedish Kempe Foundations
- Japan Society for the Promotion of Science
- European Science Foundation
- Austrian Science Fund
- Vienna Science and Technology Fund
- Natural Sciences and Engineering Research Council of Canada
- Canada Research Chairs program
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Ecological communities emerge as a consequence of gradual evolution, speciation, and immigration. In this study, we explore how these processes and the structure of the evolved food webs are affected by species-level properties. Using a model of biodiversity formation that is based on body size as the evolving trait and incorporates gradual evolution and adaptive radiation, we investigate how conditions for initial diversification relate to the eventual diversity of a food web. We also study how trophic interactions, interference competition, and energy availability affect a food web's maximum trophic level and contrast this with conditions for high diversity. We find that there is not always a positive relationship between conditions that promote initial diversification and eventual diversity, and that the most diverse food webs often do not have the highest trophic levels.
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