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Phylogenetic diversity and the functioning of ecosystems
Diane S Srivastava1, Marc W Cadotte, A Andrew M MacDonald
1Department of Zoology & Biodiversity Research Centre, University of British Columbia, 6270 University Blvd, Vancouver, British Columbia, V6T 1Z4, Canada. srivast@zoology.ubc.ca
Ecology Letters
|May 16, 2012
Summary
Phylogenetic diversity (PD) can predict ecosystem functions by reflecting trait and interaction diversity. Further research is needed to understand how evolutionary history shapes these relationships for broader ecological insights.
Area of Science:
- Ecology
- Evolutionary Biology
- Biodiversity Science
Background:
- Phylogenetic diversity (PD) quantifies the evolutionary history within a species assemblage.
- While factors influencing community PD are well-studied, its impact on ecosystem functioning remains underexplored.
- PD may serve as a proxy for functional trait diversity and inter-species interactions.
Purpose of the Study:
- To explore the potential of phylogenetic diversity (PD) in predicting ecosystem functioning.
- To highlight the role of evolutionary history in shaping community traits and interactions.
- To propose a synthetic approach integrating evolutionary and ecosystem ecology.
Main Methods:
- Review and synthesis of existing research on phylogenetic diversity and ecosystem function.
- Examination of the phylogenetic signal in ecological traits and species interactions.
- Conceptual framework development for linking PD to ecosystem processes.
Main Results:
- Phylogenetic diversity (PD) can estimate the functional trait space of a community.
- PD may predict how species extinctions impact ecological networks and ecosystem functions.
- The predictive power of PD relies on the strength of phylogenetic signals in traits and interactions.
Conclusions:
- Phylogenetic diversity (PD) shows promise for predicting ecosystem functioning across diverse communities.
- Understanding the evolutionary basis of traits and interactions is crucial for utilizing PD effectively.
- Integrating evolutionary biology and ecosystem ecology through PD can offer a unified ecological framework.
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