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根据1990年7月辽宁省海岛调查资料，本文讨论了北黄海大鹿岛海水营养盐（PO4－P，SiO3－Si，NO3－N，NH4－N，NO2—N）分布特征，并对海域环境质量作了初步评价。
According to the survey data of Liaoning Island in July 1990, the distribution characteristics of seawater nutrient salts (PO4-P, SiO3-Si, NO3-N, NH4-N and NO2-N) in Dali Island of the North Yellow Sea were discussed. Made a preliminary assessment.