梯级筑坝对黑河上游水体氮磷营养盐分布的影响

王昱, 先锋云, 陈吉平, 张英, 卫芸, 范逸扬, 田苗

Impact of cascade damming on nitrogen and phosphorus nutrient distribution in the Heihe River Basin

Yu Wang, Fengyun Xian, Jiping Chen, Ying Zhang, Yun Wei, Yiyang Fan, Miao Tian

表5 湖、库富营养化指标“参照值” cj0

Table 5 "Reference values" cj0 of lake and reservoir eutrophication indicators

状态 TP/(μg·L-1) TN/(mg·L-1) CODMn/(mg·L-1) DO/(mg·L-1) NH3-N/(mg·L-1) NO2--N/(mg·L-1) 极贫（cj0） 1.0 0.02 0.12 40 0.01 0.01