黑河甘肃段浮游植物群落结构演变趋势
孙亚玲, 牛晓宇, 刘进琪, 王欢

Evolution trend of phytoplankton community structure in Gansu section of Heihe River
Yaling Sun, Xiaoyu Niu, Jinqi Liu, Huan Wang
表3 黑河中游水域及浮游植物群落结构变化过程
Table 3 Change of water area and phytoplankton community characteristics in the middle reaches of the Heihe River
年份水域面积及变化率群落结构参数变化率/%生物活动力指数
面积/hm2变化率/%物种数密度Shannon-Weaver指数生物活动力指数/(万cells·hm-2)变化率/%
1981844.40.186
2008800.4-5.2-9.8-14.4-7.50.155-16.5
2017854.41.219.62.82.90.1944.3