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Measures of ecological association.
1Department of Statistics, University of Uppsala, P.O. Box 513, S-75120, Uppsala, Sweden.
Oecologia
|March 18, 2017
Summary
This study proposes six criteria for ecological coexistence measures. Three recommended measures (Ochiai, Dice, Jaccard) satisfy all criteria, with provided standard errors and confidence intervals.
Area of Science:
- Ecology
- Quantitative Ecology
- Biodiversity Research
Background:
- Ecological coexistence is crucial for understanding species interactions and community structure.
- Existing measures of ecological coexistence lack standardized evaluation criteria.
- Developing robust quantitative methods is essential for ecological analysis.
Purpose of the Study:
- To propose and evaluate criteria for assessing the suitability of ecological coexistence measures.
- To identify which commonly used coexistence measures meet these proposed criteria.
- To provide statistically sound recommendations for coexistence analysis.
Main Methods:
- Proposed six key criteria for evaluating ecological coexistence measures.
- Systematically assessed twenty existing coexistence measures against these criteria.
- Derived asymptotic standard errors for recommended measures.
Main Results:
- Four out of twenty measures satisfied all six proposed criteria.
- The measures proposed by Ochiai, Dice, and Jaccard were identified as suitable.
- Asymptotic confidence intervals were calculated for these three recommended measures.
Conclusions:
- The Ochiai, Dice, and Jaccard measures are recommended for assessing ecological coexistence.
- The proposed criteria provide a framework for evaluating other coexistence metrics.
- Statistical tools are provided for reliable application of the recommended measures in ecological studies.
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