污染、藻类大爆发，以及气温上升都是影响甲壳类生物量降低的因素。
Pollution, algae blooms, and rising temperatures all have roles to play in places where where shellfish stocks are declining.
预测湖泊在不同磷负荷下藻类生物量的变化。
Variation prediction of algae quantity under different phosphorus load.
而藻类计数的结果表明，照度与底栖藻类生物量存在正相关性。
Algae counting experiment showed that there was positive correlation between algae and light intensity.
常规的藻类处理系统难以达到藻类高生物量生长及发挥净化潜力。
Normal algal treatment system is difficult to make algal grow up to maximum biomass and give full play to its purification potential.
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 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.
藻类和苔藓植物是荒漠植被演替过程中常见的两类先锋植物，同时也是生物结皮中生物量最大的2个类群。
Algae and mosses are not only two common pioneer plants in the process of vegetation succession but also two groups with the highest biomass in the biological soil crust.
藻类和苔藓植物是荒漠植被演替过程中常见的两类先锋植物，同时也是生物结皮中生物量最大的2个类群。
Algae and mosses are not only two common pioneer plants in the process of vegetation succession but also two groups with the highest biomass in the biological soil crust.
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