Based on the benthic index of the biological integrity (B-IBI), the the Xiangxi River system health was evaluated.
构建香溪河大型底栖动物完整性因子（B-IBI），并对香溪河河流生态系统健康进行评价；
Two biotic indices, Biotic Coefficient (BC) and Benthic Index of Biological Integrity (B-IBI), recently suggested by European and American scientists were applied and commented on this study.
应用和验证了国外新提出的生物系数（BC）和底栖生物完整性指数（B-IBI），对其局限性和可行性进行了分析。
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