舟山渔场海域冬季海洋渔业环境质量评价

Assessment and Analysis Environment Quality of Zhoushan Fishing Ground Sea Area

根据2007年2月舟山渔场海域20个调查站的观测资料,按我国有关的环境质量标准,用质量指数法评价。结果表明:舟山渔场海域冬季海洋渔业环境质量总体较好,在所有站点的质量指数中清洁、较清洁、预警、污染、重污染分别占比为74%、7%、3%、9%、7%。质量环境较好的站点占整个调查站点的84%,最主要的污染物是无机氮(IN)、磷酸盐(PO4-P)、石油类、Cu。

Based on the monitoring data on the Zhoushan Fishing Ground Sea Area in May 2007, the assessment and analysis for the seawater quality of the area was carried out according to the national pollution standard for seawater （GB3097） and the water quality standard for fisheries （GB11607 ） . The results indicated that the environmental quality of Zhoushan Fishing Ground Sea Area was generally good, the quality index of all site, clean, clean, early warning, pollution, and heavy pollution respectively accounted for 74% , 7% , 3% , 9% , and 7%. The quality of the site environment better accounted for the entire survey site 84%, and the major pollutants were IN, PO4 -P, Oils, and Cu.