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A disturbance index for karst environments
Philip Van Beynen1, Kaya Townsend
1Department of Environmental Science and Policy, University of South Florida, Tampa, Florida 33620-5150, USA. vanbeyne@cas.usf.edu
Environmental Management
|September 1, 2005
Summary
Karst environments need a unique disturbance index. This study proposes a standardized, hierarchical index to measure impacts across cultural, biotic, and geomorphic factors for better karst protection.
Area of Science:
- Environmental Science
- Geology
- Ecology
Background:
- Karst environments face unique disturbances from social, physical, and economic factors.
- Existing studies often focus narrowly on single disturbance types (e.g., biotic, geomorphic).
- A comprehensive approach is lacking for assessing threats to karst resources.
Purpose of the Study:
- To develop a standardized, hierarchical environmental disturbance index specifically for karst ecosystems.
- To provide a tool for measuring and comparing regional impacts on karst areas.
- To identify karst systems requiring enhanced protection or further scientific investigation.
Main Methods:
- Developing a hierarchical index structure.
- Incorporating diverse disturbance categories: cultural, biotic, atmospheric, hydrological, and geomorphologic.
- Standardizing measurement and comparison of karst environmental impacts.
Main Results:
- The proposed index offers a holistic framework for assessing karst disturbances.
- It enables regional impact measurement and comparison across different karst systems.
- Identifies specific areas within karst systems needing focused conservation or research efforts.
Conclusions:
- A standardized disturbance index is crucial for effective karst resource management.
- The proposed hierarchical index addresses the limitations of previous single-factor assessments.
- This tool will aid in prioritizing protection and research in vulnerable karst environments.
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