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Ecological consequences of genetic diversity
A Randall Hughes1, Brian D Inouye, Marc T J Johnson
1Evolution and Ecology/Bodega Marine Laboratory, University of California, Davis, One Shields Avenue, Davis, CA 95616, USA. arhughes@ucdavis.edu
Ecology Letters
|April 11, 2008
Summary
Genetic diversity significantly impacts ecological processes like productivity and community structure, comparable to species diversity. Further research is needed to understand its natural prevalence and mechanisms.
Area of Science:
- Ecology
- Evolutionary Biology
- Conservation Biology
Background:
- Genetic diversity is traditionally studied for its role in evolution.
- Classical studies suggest genetic diversity also influences ecological processes.
Purpose of the Study:
- To review the ecological consequences of genetic diversity.
- To assess the impact of genetic diversity on ecological processes at multiple levels.
Main Methods:
- Literature review of studies on genetic diversity and ecological effects.
- Analysis of effects on primary productivity, population recovery, competition, community structure, and nutrient cycling.
Main Results:
- Genetic diversity significantly affects ecological processes across population, community, and ecosystem levels.
- These effects can be as substantial as those of species diversity.
- Observed effects include impacts on primary productivity, population recovery, competition, community structure, and nutrient cycling.
Conclusions:
- Genetic diversity has profound ecological consequences, influencing key processes.
- Current research is biased towards plant clonal diversity, limiting understanding of broader natural applicability.
- Future research should elucidate mechanisms and predictive factors for genetic diversity's ecological roles.
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