舟山朱家尖附近海域海洋渔业环境质量评价

Environmental Quality Assessment of Marine Fishery of Zhujiajian in Zhoushan Sea Area

[目的]研究和评价舟山朱家尖附近海域海洋渔业环境质量。[方法]根据2015年12月舟山朱家尖附近海域6个调查站的观测资料,按照相关环境质量标准,采用质量指数法进行分析及评价。[结果]重金属Cu、Pb、Zn、Cd、Hg、As、Cr、Ni均符合渔业水质标准,无机氮(IN)符合二类海水水质标准,最主要的污染物是磷酸盐(PO_4-P)。[结论]舟山朱家尖海域渔业环境质量状况较好,重金属对海洋的污染较轻。

[Objective]The aim was to evaluate environmental quality of marine fishery of Zhujiajian in Zhoushan Sea Area. [Method]Based on observation data from 6 stations in Zhujiajian Zhoushan Sea Area in Dec. 2015,according to relevant environment quality standard,quality index method was used to conduct primary analysis and evaluation. [Result] The proportion of heavy metals（ Cu,Pb,Zn,Cd,Hg,As,Cr,Ni） and inorganic nitrogen wew under the water quality standard,and the main pollutants were phosphate（ PO4- P）. [Conclusion]The environment quality of marine fishery of Zhujiajian in Zhoushan Sea Area is good,heavy metal pollution is relatively light.