2023年6月June2023第47卷第3期Vol.47，No.3热带农业工程TROPICALAGRICULTURALENCINEERING海南磷枪石岛附近海域水环境分布特征庞巧珠梁计林陈晓慧孙婆援谢海群（海南省海洋与渔业科学院海南海口570125）摘要对2021年6月磷枪石岛附近海域水环境调查，用单项水质参数法、水体有机污染指数法和富营养化指数法评价海域海水质量。结果显示：2021年磷枪石岛海域海水pH、DO、COD、DIN、DIP、石油类均符合第一类海水质量标准，水质单因子标准指数、有机体污染指数、富营养化指数变化范围分别为0.03～0.99、-1.61～-0.52和0.001～0.005，区域海水质量优良，水体处于贫营养化状态，未出现超标站位和有机体污染的现象。与2011年调查结果相比，本次调查海域海水悬浮物含量（SS）稍有下降，pH、DO、DIN、DIP基本持平。关键词磷枪石岛；环境质量；评价中图分类号X82TheDistributedCharacteristicsoftheWaterEnvironmentintheseaareaNearthePhosphorusgunshiIslandinHainanPANGQiaozhu,LIANGJilin,CHENXiaohui,SUNPoyuan,XIEHaiqun,(AcademyofOceanandFisheriesSciencesinHainan,Haikou,Hainan570125)AbstractBasedontheinvestigationofthewaterenvironmentintheseaareanearthePhosphorusgunshiIslandinJune2021,thispaperusestheparametermethodofthesinglewaterquality,theindexmethodoftheorganicwaterpollution,andtheindexmethodofeutrophicationtoevaluatetheseawaterqualityinthisseaarea.TheresultsindicatethatthepH,DO,COD,DIN,DIP,andpetroleumoftheseawaterinPhosphorusgunshiIslandin2021allaccordwiththequalitystandardofthefirstclassofseawaterandthevariablerangeofthesinglefactorstandardindexofthewaterquality,thepollutedindexoftheorganicandtheindexoftheeutrophicationare0.03~0.99,-1.61~-0.52and0.001~0.005respectively,andtheregionalseawaterqualityisexcellent,thewaterbodyisinadepletednutrientstate,andthereisnothephenomenonoftheover-standardstationandtheorganicpollution.Wecomparedwiththesurveyresultsin2011;thepH,DO,DIN,andDIPoftheseawaterremainedthesame,whilethesuspendedsolids(SS)contentinthesurveyedareaslightlydecreased.KeywordsPhosphorusgunShiIsland;environmentalquality;evaluation海南磷枪石岛珊瑚礁自然保护区位于海南省儋州市西部沿海，保护区包括磷枪石岛（又名大铲礁）及其周围海域，面积131hm...
