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Are natural microcosms useful model systems for ecology?
Diane S Srivastava1, Jurek Kolasa, Jan Bengtsson
1Department of Zoology and Biodiversity Research Centre, University of British Columbia, 6270 University Blvd, Vancouver, BC, Canada, V6T 1Z4. srivast@zoology.ubc.ca
Trends in Ecology & Evolution
|May 17, 2006
Summary
Natural microcosms offer a versatile ecological research approach, combining controlled environments with natural complexity. These systems effectively test theories on biodiversity, spatial dynamics, and ecosystem functions.
Area of Science:
- Ecology
- Environmental Science
- Biodiversity Research
Background:
- Recent ecological studies increasingly utilize natural microcosms.
- These systems bridge the gap between artificial microcosms and complex field studies.
- Natural microcosms offer unique advantages for ecological research.
Purpose of the Study:
- To evaluate the utility of natural microcosms in ecological research.
- To explore their role in testing theories of fragmentation and metacommunity dynamics.
- To assess their contribution to understanding biodiversity-ecosystem processes.
Main Methods:
- Review of recent high-impact ecological studies using natural microcosms.
- Analysis of the inherent advantages of natural microcosms (size, generation time, spatial arrangement).
- Comparison with advantages of field studies (environmental variance, openness, realistic species).
Main Results:
- Natural microcosms facilitate testing of spatial and temporal ecological dynamics.
- They enable examination of effects of neighboring communities on local diversity.
- They are effective for studying the impact of biodiversity on ecosystem function.
Conclusions:
- Natural microcosms are as versatile as artificial ones but more biologically realistic.
- They are robust model systems for ecological research due to their inherent attributes.
- Continued research highlights their strong potential for advancing ecological understanding.