2015年天津大港滨海湿地海洋特别保护区海水质量状况及富营养化状况分析  

Seawater Quality Status and Eutrophication Level of Dagang Coastal Wetland Special Marine Reservation Area in Tianjin

作　　者：王娟娟[1] 李彤[1] 张素青[1] 王秀芹[1] 王德兴[1] 王宝峰[1] 缴建华[1] 

机构地区：[1]农业部渔业环境及水产品质量监督检验测试中心(天津),天津300221

出　　处：《河北渔业》2016年第10期18-24,共7页

基　　金：天津市科技兴海项目(KJXH2014-21)资助

摘　　要：2015年5月、8月、10月对天津大港滨海湿地海洋特别保护区的水质进行了连续监测。结果表明,该保护区无机氮和化学需氧量呈现自近岸向外海逐渐降低的趋势,盐度平面分布与此相反;通过研究区域和对照区域N/P和E值进行比较,发现研究区域N/P和E值均高于对照区域,说明海水受到了陆源径流带来的高含量的营养盐和有机物的物理稀释作用。天津大港滨海湿地海洋特别保护区海水的污染因子主要是无机氮,磷相对于氮来说是严重不足的。Water quality status of Dagang Coastal Wetland Special Marine Reservation Area in Tianjin were researched and continuously monitored in May, August and October in 2015. The results showed that DIN and CODMn content reduced from the coast to offshore seawater, while the salinity was just on the contrary; Compared N/P ratio and eutrophication index（E） of the study area and the control area, we found that N/P ratio and E value in the study area were higher than those in the control area, which indicated that land-based sources brought abundant nutrient salt at high -flow period; DIN was the key factor of pollution. Compared to DIN, active phosphorus content was seriously deficient.

关 键 词：滨海湿地 海水质量 富营养化 

分 类 号：X55[环境科学与工程—环境工程]