Document Detail

Evolution and coevolution in mutualistic networks.
MedLine Citation:
PMID:  21749596     Owner:  NLM     Status:  Publisher    
Ecology Letters (2011) ABSTRACT: A major current challenge in evolutionary biology is to understand how networks of interacting species shape the coevolutionary process. We combined a model for trait evolution with data for twenty plant-animal assemblages to explore coevolution in mutualistic networks. The results revealed three fundamental aspects of coevolution in species-rich mutualisms. First, coevolution shapes species traits throughout mutualistic networks by speeding up the overall rate of evolution. Second, coevolution results in higher trait complementarity in interacting partners and trait convergence in species in the same trophic level. Third, convergence is higher in the presence of super-generalists, which are species that interact with multiple groups of species. We predict that worldwide shifts in the occurrence of super-generalists will alter how coevolution shapes webs of interacting species. Introduced species such as honeybees will favour trait convergence in invaded communities, whereas the loss of large frugivores will lead to increased trait dissimilarity in tropical ecosystems.
Paulo R Guimarães Jr; Pedro Jordano; John N Thompson
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Publication Detail:
Type:  LETTER     Date:  2011-7-12
Journal Detail:
Title:  Ecology letters     Volume:  -     ISSN:  1461-0248     ISO Abbreviation:  -     Publication Date:  2011 Jul 
Date Detail:
Created Date:  2011-7-13     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101121949     Medline TA:  Ecol Lett     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
© 2011 Blackwell Publishing Ltd/CNRS.
Department of Ecology and Evolutionary Biology, University of California, Santa Cruz, CA 95064, USA Departamento de Ecologia, Instituto de Biociências, Universidade de São Paulo, São Paulo 05508-900, SP, Brazil Integrative Ecology Group, Estación Biológica de Doñana, CSIC, Av. Americo Vespucio S/N, Isla de la Cartuja, E-41092 Sevilla, Spain.
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