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。
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。
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。
But those near the main Hawaiian island population centers are under pressure from sediment found in runoff, overfishing and invasive algae.
但是，生长在夏威夷主岛的人口聚集地附近的珊瑚礁却面临着径流沉积物、过度捕捞以及扩散性水藻等重重压力。
But those near the main Hawaiian island population centers are under pressure from sediment found in runoff, overfishing and invasive algae.
但是，生长在夏威夷主岛的人口聚集地附近的珊瑚礁却面临着径流沉积物、过度捕捞以及扩散性水藻等重重压力。
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