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The economic value of ecological stability.
Paul R Armsworth1, Joan E Roughgarden
1Department of Biological Sciences, Stanford University, Stanford, CA 94305, USA. armsworth@stanford.edu
Summary
Ecological concepts like ecosystem stability have quantifiable economic value. Incorporating these values into environmental decision-making, such as reserve design, can lead to more effective conservation strategies.
Area of Science:
- Ecology
- Environmental Economics
- Conservation Biology
Background:
- Ecologists study intangible ecosystem characteristics like stability and population responsiveness.
- These characteristics are crucial for understanding ecosystem dynamics but often lack direct economic valuation.
Purpose of the Study:
- To demonstrate how to derive quantifiable economic values for ecosystem stability and population responsiveness.
- To illustrate how considering these economic values can alter environmental decision-making processes.
Main Methods:
- Utilized a simple reserve design model to illustrate the concepts.
- Analyzed how landscape configuration choices impact mean species abundance and temporal variation in abundances.
Main Results:
- Management actions directly influence the variance of ecosystem components, assigning economic value to population stability.
- In the reserve design example, a larger reserve size was recommended when ecosystem stability was factored into the decision.
Conclusions:
- Intangible ecosystem characteristics possess measurable economic value.
- Integrating economic valuation of ecosystem stability into environmental management, such as reserve design, enhances decision-making for conservation.