基于大型底栖动物完整性指数的黑河中上游水生生态系统健康评价
展洋, 汪双, 陈吉平, 王昱, 王昱鹏

Evaluation of aquatic ecosystem health in the middle and upper reaches of the Heihe River based on macrobenthic integrity index
Yang Zhan, Shuang Wang, Jiping Chen, Yu Wang, Yupeng Wang
表9 黑河各采样点 B-IBI 与各理化因子的相关性系数
Table 9 Correlation coefficients between B-IBI and physicochemical factors at each sampling site in the Black River
变量B-IBI
水温WT0.572**
流速v-0.238
酸碱度pH0.040
电导率EC0.283
盐度S0.265
全磷TP-0.667**
全氮TN-0.621**
亚硝酸盐氮NO2-N含量-0.127
氨氮NH3-N含量-0.528**
5日生化需氧量BOD5-0.377
化学需氧量COD-0.278
高锰酸盐指数KMnO4-0.412
溶解性总固体TDS0.270
溶解氧DO-0.876**