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。
At the same time, an evaluation of long-term monitoring data (1996 ~ 2005) showed that phytoplankton community structure had been changed.
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。
To monitor the change in the size structure of phytoplankton community in enclosures after the introduction of fish.
用显微测量粒径分析法 ，测量出各种类的粒径参数 ，可以较准确地推算出浮游植物群落粒级结构。
This indicates that when we study the size fractions of phytoplankton, it is necessary to mend it by microscopical sizing method.
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