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Identifying potential indicators of conservation value using natural heritage occurrence data
Peter B Pearman1, Michael R Penskar, Edward H Schools
1Michigan Natural Features Inventory, Michigan State University, P.O. Box 30444, Lansing, Michigan 48909-7944, USA. pearman@zool.unizh.ch
Summary
This study proposes using diverse indicator species, including plants, insects, and birds, to identify and monitor areas crucial for biodiversity conservation. This approach helps pinpoint high-value conservation sites across Michigan and potentially beyond.
Area of Science:
- Ecology
- Conservation Biology
- Environmental Science
Background:
- Traditional conservation planning using rare species or indicator taxa has limitations.
- A novel approach is needed to integrate species-specific needs with broader ecosystem health.
Purpose of the Study:
- To identify a diverse group of indicator species associated with high ecosystem integrity for conservation planning.
- To develop a method for selecting indicator species based on their association with ecologically valuable areas.
Main Methods:
- Defined areas of high ecosystem integrity using criteria like biotic community structure, expert review, and unmodified natural habitats.
- Utilized species occurrence data from Michigan's Natural Heritage database.
- Employed a null model and randomization tests to identify indicator species not randomly distributed in high-integrity areas.
Main Results:
- Identified a taxonomically diverse set of potential indicator species (plants, insects, birds) strongly linked to areas of exceptional ecosystem integrity.
- Species distribution varied across different integrity scenarios, collectively covering the entire state.
- The identified species are relevant to the Great Lakes region and beyond.
Conclusions:
- Proposed indicator species can guide conservation efforts by highlighting areas of high conservation value.
- This method offers a broadly applicable framework for biodiversity conservation planning using existing databases.
- The approach can aid in monitoring conservation effectiveness and identifying new areas for protection.
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