城市内陆型湖泊湿地对城市生态系统具有重要的作用。以武汉市武湖为例，采用数理统计、营养盐指数、地累积指数和潜在生态风险指数等......

Ever wonder why there are so many people pollut-ing the earth? Ever say to yourself: hey, I wish I could do more tn help......

报道了武湖翘嘴红鲌的年龄生长特点.其渔获物中2+和3+龄个体占57.1%,体长以300～600mm为主,体长与鳞长之间呈直线相关:L=6.1814+90.4......