In April 2002, 33 species of planktonic crustacea in 26 genera (11 Copepoda and 22 Cladocera) were sampled from 17 sites in the middle and lower reaches of the Hanjiang River, the largest tributary in the middle reaches of the Yangtze River.

• 2002年4月,在汉江中下游从丹江口坝上至其河口沿途设17个采样点,共采集到浮游甲壳动物10科26属33种,其中桡足类4科10属11种,枝角类6科16属22种。