【摘要】 通过对松花江哈尔滨江段着生藻类的调查,重点研究大顶子山航电枢纽工程投入使用后,该江段着生藻类生物多样性的变化。结果显示:该工程投入使用后,哈尔滨江段的着生藻类种类增加8个属、密度增加10.8倍,水体呈现出蓝绿藻比例升高、污染指数下降等变化特征。更多还原

【Abstract】 The study focus on the influence on biodiversity of attached algae of Songhua river in Harbin section after Dadizishan closure put into use.The results show that there are 8 families added,10.8 times rising of attach algae abundance,the ratio of Cyanophyta and Chlorophyta increase,and the pollution index decrease after the building of the closure.更多还原