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Position: Home > Articles > STATUS AND EVALUATION ON NUTRIENTS IN SHANDONG COASTAL WATERS Transactions of Oceanology and Limnology 2010 (2) 81-87

山东近海水质营养状况分析与评价

作  者：
吕振波;孙玉增;张焕君;刘义豪;魏振华;杨建敏;高成美
单  位：
山东省烟台市海阳大阎家海洋与渔业工作站;山东省海洋水产研究所
关键词：
山东近海;营养水平;有机污染;评价
摘  要：
根据2006年春秋季对山东近海调查结果,分莱州湾及渤海湾南部海域、山东半岛北部海域、山东半岛南部海域和海州湾海域分析评价了山东近海水质的营养状况。结果表明,无机氮和活性磷酸盐含量,莱州湾及渤海湾南部海域均明显高于其他海域,COD含量各海域差异较小。无机氮、活性磷酸盐和COD整体基本呈现由近岸向远岸逐渐降低的分布态势。少数站位无机氮和活性磷酸盐超标严重,COD整体质量较好。从营养结构看,N/P比值大于Redfield值16,P相对缺乏。根据营养化评价模式和有机污染指数计算结果,春秋季表层水质均处于中营养水平,底层处于轻度富营养化;两季节的表层有机污染程度均属于有机污染Ⅰ级,底层属于Ⅱ级,表层水质质量较好,底层已受到污染。
译  名：
STATUS AND EVALUATION ON NUTRIENTS IN SHANDONG COASTAL WATERS
作  者：
LU Zhenbo1,SUN Yuzeng1,ZHANG Huanjun1,LIU Yihao1,WEI Zhenhua1,YANG Jianmin1,and GAO Chengmei2 (1.Marine Fisheries Research Institute of Shandong Province,Yantai 264006,China;2.Marine Fisheries Station of Dayanjia District of Haiyang,Yantai 265122,China)
关键词：
Shandong coastal waters;nutrient;organic pollution;evaluation
摘  要：
Based on the results of investigation in spring and autumn in 2006,the nutrient status of Shandong coastal waters is analyzed,which was divided into 4 blocks,i.e the Laizhou bay and southern Bohai Bay waters,the northern Shandong peninsula waters,the southern Shandong peninsula waters,and Laizhou Bay waters.The results shown that the contents of inorganic nitrogen and phosphate were higher in Laizhou Bay,and southern Bohai Bay,the COD contents in Shandong offshore showed little difference.The horizontal distributions of inorganic nitrogen,phosphate and COD decreased gradually from the offshore to the inshore.Inorganic nitrogen and phosphate of some stations were polluted seriously,while COD was better.From the nutrition structure,the N/P ratio was higher than 16(Redfield ratio),the phosphate was a limit factor for the growth of phytoplankton.According to the evaluation mode of eutrophication and the organic pollution index,the water qualities both in spring and autumn were at the medium nutrient level in surface and at lighteutrophication level in bottom.The organic degrees of spring and autumn were the first level in surface water,while were the second level in bottom water.

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