黄河甘肃段上游及洮河大型底栖动物群落结构特征及影响因素

王昱, 袁兴鹏, 李浩霖, 张英, 苗天, 田苗, 信雅玲, 胡飞燕

Community structure and influencing factors characteristics of macrozoobenthos in the upper Yellow River （Gansu section） and Taohe River

Yu Wang, Xingpeng Yuan, Haolin Li, Ying Zhang, Tian Miao, Miao Tian, Yaling Xin, Feiyan Hu

表5 干支流河流环境特征

Table 5 Environmental characteristics of the main and tributary streams

河流 海拔/m WT/℃ pH EC/(μs·cm-1) DO/(mg·L-1) TDS/(mg·L-1) Salinity/‰ 干流 均值±标准差 2496±939.2 20.41±3.66 8.36±0.09 468.2±135.27 6.91±0.69 212.2±56.65 0.218±0.05 范围 1477.1~3477 15.2~25.9 8.16~8.43 255~771 6~7.9 122~306 0.12~0.3 支流 均值±标准差 2286.15±395.84 18.96±2.01 8.39±0.1 377±25.83 6.96±0.21 181.51±12.68 0.18±0.03 范围 1772.1~3086 15.1~21.8 8.18~8.48 336~421 6.73~7.28 161.6~202 0.12~0.21