MCDMDissimilarity index
Bray-Curtis 测度 (Bray-Curtis Dissimilarity)
Bray-Curtis 测度是一种量化样本间组成差异的指标，广泛应用于生态学和群落分析。该指数由 John Bray 和 John T. Curtis 于 1957 年提出，用于比较森林群落，其值范围从 0（组成相同）到 1（完全不同）。它对丰度差异敏感，尤其适用于物种计数、微生物种群或偏好强度等丰度数据。
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来源
- Bray, J. R., & Curtis, J. T. (1957). An ordination of the upland forest communities of southern Wisconsin. Ecological Monographs, 27(4), 325-349. DOI: 10.2307/1942268 ↗
- Sorensen, T. (1948). A method of establishing groups of equal amplitude in plant sociology based on similarity of species content and its application to analyses of the vegetation on Danish commons. Biologiske Skrifter, 5, 1-34. link ↗
如何引用本页
ScholarGate. (2026, June 3). Bray-Curtis Dissimilarity Index. ScholarGate. https://scholargate.app/zh/decision-making/bray-curtis-dissimilarity
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