【摘要】 应用沉降法收集浮游植物，评价网箱养鱼对鱼塘水质的影响。通过四季采样，对浮游植物进行群落结构、生物数量、污染指示属、多样性指数、叶绿素A含量等参数的初步研究，结果表明，网箱养鱼对鱼塘水质有明显的影响，且随着鱼体的生长呈现出逐季增加的趋势。更多还原

【Abstract】 The seasonal changes in ecological features of phytoplankton community such as population densities,biomass,saprobric indicators, diversity index and chlorophy content were studied in this paper. The results showed that there was a significant influence of netbox cultivating on fishpond water quality. And the influ-ence trended to be increased season by season with the growth of fishes.更多还原