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2016年乐清湾北部海域富营养化现状与评价

关键词:
海洋环境;富营养化;水质特征;乐清湾北部;2016年
摘  要:
于2016年4月和7月在乐清湾北部海域进行海洋环境调查,依据富营养化状态评价原则和营养状态指数(E)对乐清湾北部海域的富营养化现状进行评价。结果表明,NO3--N和NH4+-N是乐清湾海域无机氮的主要存在形式。乐清湾北部海域富营养化程度严重,整体处于磷中等限制潜在性富营养至磷限制潜在性富营养状态。究其原因是海湾位置结构、沿岸城镇带来的生产生活污水及水产养殖的规模及密度大。
译  名:
Status and Evaluation of Eutrophication in North Sea Area of Yueqing Bay in 2016
作  者:
WANG Heng;GUO Yuan-ming;HU Hong-mei;YING Zhong-zhen;LI Zi-meng;BAO Jing-jiao;Marine Fishery Research Institute of Zhejiang Province;
关键词:
marine environment;;eutrophication;;water quality characteristic;;north sea area of Yueqing Bay;;2016
摘  要:
The marine environment survey was conducted in north sea area of Yueqing Bay in April and July 2016,the eutrophication status in north sea area of Yueqing Bay was evaluated according the eutrophication evaluation principle and the nutritional status index(E).The results showed that NO3--N and NH4+-N were the main forms of inorganic nitrogen in the Yueqing Bay.The eutrophication in north sea area of Yueqing Bay was serious,which was in the state between medium phosphorus restricted potential eutrophication and phosphorus restricted potential eutrophication on the whole.The reason included the location structure of the bay,production and domestic sewage caused by coastal towns and the large scale and density of aquaculture.

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