南麂列岛自然保护区海域红色裸甲藻赤潮及其成因分析  

The environmental factor and cause of Gymnodinium san-guineum HAB in Nanji Islands Preserved District

作　　者：王金辉[1] 秦玉涛[1] 李志恩[1] 黄秀清[1] 陈雷 雷友万[3] 徐良国 尤胜炮[3] 

机构地区：[1]国家海洋局东海监测中心,上海200137 [2]温州海洋监测中心,浙江温州325027 [3]国家海洋局南麂海洋监测站,浙江南麂325408

出　　处：《海洋科学》2005年第2期32-36,共5页Marine Sciences

基　　金：国家重点基础研究计划项目 (2001CB409700)

摘　　要：2002年9月16～19日南麂列岛海域发生3km2 红褐色赤潮 ,其原因种为红色裸甲藻(GymnodiniumsanguineumHirasaka) ,密度高达4.6×105 个/L。赤潮发生时伴随细菌的大量繁殖 ,江浙沿岸流所携带的营养物质是本次赤潮发生的基础 ,森拉克台风是本次赤潮的重要诱因。南麂海域的赤潮多发季节为4～5月份 ,9～11月份发生赤潮的可能性也较大 ,大沙岙、马祖岙和火岙等水体交换相对较弱的岙口为赤潮多发区。为保护南麂列岛国家级海洋自然保护区珍稀海洋贝藻资源 ,需协调好保护和开发之间日益尖锐的矛盾 ,控制养殖业的发展规模和游客的数量。A red-brown harmful algal bloomwas found in Nanji Islands preserved District during Sep16to Sep192002.The HAB species was Gymnodiniumsanguineum at high density(4.6×10 5 cell/L)with infected area of about3km 2 .The bacteria multiplied fast in the HAB event.Nutriment brought by Zhejiang coastal current was the major reason of this event,and Typhoon Sinlaku was an important induce;In the study area,the HAB frequent season is April and May in the areas of Dasha Ao,Mazhu Ao and Huogen Ao where water exchange is weak.To protect marine resources in the area,as well as the tourism,overloading inaquiculture and sight-seeing must be coordinated and controlled.

关 键 词：南麂列岛 红色裸甲藻 赤潮成因 

分 类 号：X55[环境科学与工程—环境工程]