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桑沟湾营养现状调查结果表明，桑沟河营养状况不仅受沿岸排放水的影响，而且大面积的海带和扇贝养殖对于营养盐的补充与消耗也有较大的影响，特别是在扇贝养殖区水域，富营养化水平较高。由Ｎ／Ｐ比值计算结果表明，从整个海湾看，冬季无机氮显得相对紧缺，而其他季节无机磷则显得相对紧缺。但从局部海域看，各季节扇贝养殖区无机磷显得相对紧缺。而在扇贝和海带混养区的１月，以及在海带单养区养殖海带期间的１月和４月无机氮显得相对紧缺，其他季节无机磷则显得相对紧缺。
The results of the survey on the nutritional status of Sanggou Bay showed that the nutritional status of Sangou River was not only affected by the discharged water from the coast, but also the large-scale cultivation of kelp and scallop had a greater impact on nutrient supplement and consumption, especially in scallop aquaculture waters , A higher level of eutrophication. From the N / P ratio calculation results show that, from the perspective of the Gulf, winter inorganic nitrogen is relatively scarce, while the other seasons of inorganic phosphorus is relatively scarce. However, from the view of the partial sea area, the inorganic phosphorus in the scallop farming areas in each season appears relatively scarce. However, in January of scallop and kelp polyculture areas, and in January and April of inorganic nitrogen during kelp breeding in kelp monoculture areas appeared to be relatively scarce, inorganic phosphorus appeared relatively scarce in other seasons.