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Interactive effects of species richness and species traits on functional diversity and redundancy

Content Provider	Springer Nature Link
Author	Dalerum, Fredrik Cameron, Elissa Z. Kunkel, Kyran Somers, Michael J.
Copyright Year	2010
Abstract	The importance of species diversity for ecosystem function has emerged as a key question for conservation biology. Recently, there has been a shift from examining the role of species richness in isolation towards understanding how species interact to effect ecosystem function. Here, we briefly review theoretical predictions regarding species contributions to functional diversity and redundancy and further use simulated data to test combined effects of species richness, number of functional traits, and species differences within these traits on unique species contributions to functional diversity and redundancy, as well as on the overall functional diversity and redundancy within species assemblages. Our results highlighted that species richness and species functional attributes interact in their effects on functional diversity. Moreover, our simulations suggested that functional differences among species have limited effects on the proportion of redundancy of species contributions as well as on the overall redundancy within species assemblages, but that redundancy rather was determined by number of traits and species richness. Our simulations finally indicated scale dependence in the relative effects of species richness and functional attributes, which suggest that the relative influence of these factors may affect individual contributions differently compared to the overall ecosystem function of species assemblages. We suggest that studies on the relationship between biological diversity and ecosystem function will benefit from focusing on multiple processes and ecological interactions, and that the relative functional attributes of species will have pivotal roles for the ecosystem function of a given species assembly.
Starting Page	129
Ending Page	139
Page Count	11
File Format	PDF
ISSN	18741738
Journal	Theoretical Ecology
Volume Number	5
Issue Number	1
e-ISSN	18741746
Language	English
Publisher	Springer Netherlands
Publisher Date	2010-11-23
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Ecosystem function Ecosystem services Community ecology Biodiversity Theoretical ecology Simulation experiments Functional traits Zoology Plant Sciences Theoretical Ecology/Statistics
Content Type	Text
Resource Type	Article
Subject	Ecology Ecological Modeling

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