Microscopy and the method of black and white bottle were used to study algae population and primary productivity in coastal fishpond.

用显微镜检与黑白瓶测氧法测定滩涂鱼塘藻类种群及初级生产力。

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Using the product in prophase of cultivation will cultivate beneficial algae population to provide early live bait for young fish and shrimp.

养殖前期使用，能快速培养有益藻类种群，提高水中浮游生物的数量，为鱼虾苗提供充足的天然活饵料。

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The result shows that eutrophication is the major reason responsible for the bloom formation and the abnormal growth of algae population composes the premise of this procedure.

研究表明：水体的富营养状态是藻类异常增殖的主要原因，而藻类的异常增殖又是＂水华＂发生的前提条件。

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