Diversity of Fish Resources in the Xushui River
湑水河流域鱼类资源多样性研究

In this work, the survey about fish resources was carried out in the Xushui River in September 2009 and May 2010. Totally 4orders, 10 families, 29 species fish were found in the river basin. There were mainly the mountain, streams and cold water fish at Taibai county in the upstream of the Xushui River, and fish species were fewer; elevation was low, fish species were abundant at Chenggu county in the downstream. Even for the same species, the density is also significantly different in various part and seasons. Our results indicated that fish resources are more abundant in the Xushui River. At present , human disturbance have staered to influence the fish,living , we should take seriously about them.