１水库概况 农中、老鹰窝和八字湾水库均位于滁州市南谯区，属江淮分水岭南侧的养殖灌溉型小水库，库坝为土质，块石护坡，来水面较大，水质清新。库中水草覆盖率２０％～３５％，有一定的螺蚌资源。详见表１。２试验方法２．１水库清野和防逃　３座水库在冬春季蟹种投放前皆使 1 Reservoir Overview In agriculture, the eagle nest and the Baziwan reservoir are located in Nanxun Chuzhou City, south of Jianghuai watershed breeding aquaculture small reservoirs, reservoir dam for the soil, block stone slope protection, surface water larger, fresh water quality. Coverage of water plants in the library 20% to 35%, there is a certain screw mussel resources. Details are shown in Table 1.2 Test Methods 2.1 Reservoir clear-off and anti-fouling Three reservoirs in both winter and spring crab species are put before