To monitor the change in the size structure of phytoplankton community in enclosures after the introduction of fish.
监测围隔中引入鱼以后浮游植物群落在大小结构方面的变化。
At the same time, an evaluation of long-term monitoring data (1996 ~ 2005) showed that phytoplankton community structure had been changed.
同时，结合历史监测数据(1996 ~ 2005年)分析表明，调查海域浮游植物群落结构已经发生改变。
The results showed that angle, ChlFlu, DO, salinity, P. quantum and temperature were the main factors affecting the structure of phytoplankton community (P<0.01).
得出倾角，叶绿素，溶解氧，盐度，光量子，温度为浮游植物群落的主要影响因子（P<0.01）。
Phytoplankton is the main food to the bivalve filter-feeders and the marine primary producer, so the impacts on the phytoplankton community by scallop culture deserve studying.
浮游植物是滤食性贝类的主要饵料，也是海洋主要的初级生产者，因此研究贝类养殖对浮游植物群落的影响具有重要的科学意义。
Diverse ecological environment and water flow velocity at the sampling sites were found to be the main contributors to the formation of the five phytoplankton community groups.
各采样点生态环境及水体流速的不同是五类群落产生的主要影响因素。
The results of investigation and indoor simulated test showed there were effects of increased water bodies temperature on the structure, dominant, density and biomass of phytoplankton community.
试验结果表明：水体增温对水库浮游植物的种群组成、优势种的优势度、藻类密度和生物量均有影响。
The result demonstrated that phytoplankton species complexities exist marked difference, and community constructions are different else between two reservoirs.
结果表明：两个水库水质状况明显不同，富营养化特征差异很大，浮游植物种类组成、群落结构也迥然不同。
The result demonstrated that phytoplankton species complexities exist marked difference, and community constructions are different else between two reservoirs.
结果表明：两个水库水质状况明显不同，富营养化特征差异很大，浮游植物种类组成、群落结构也迥然不同。
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