舟山沈家门渔港疏浚工程附近海域环境现状调查与评价

Present Marine Environment Situation Investigation and Evaluation of Shenjiamen Island

对沈家门中心渔港疏浚工程附近海域的水质、沉积物质量、生态环境(浮游动物、底栖生物、浮游植物和潮间带生物)进行调查、分析,结果表明该海域的水质监测项目中的悬浮物、pH、活性磷酸盐部分站位严超标,标准指数大于1,水质富营养化严重,沉积物和生物体监测都符合标准,浮游生物、潮间带生物种群数量比较丰富,底栖生物比较简单。悬浮物浓度对水生生物影响成正相关。

The Shenjiamen island sea water,sediment,marine organisms quality status(biological zone,benthic,plankton and tidal)were investigated and analyzed.Results showed that the suspended matter,pH and labile phosphate in the water quality monitoring project in some stations exceed the standard.The standard index was more than 1,eutrophication was serious,and sediment and biological monitoring were in conformity with the standard.Phytoplankton and zooplankton and intertidal organisms were rich in species,and benthos was low in species.The influence of suspended matter concentration on aquatic organisms was positively correlated.