2000年~2016年秦皇岛海域赤潮特征分析  

An analysis of red tide characteristics in Qinhuangdao coastal seawater

作　　者：张万磊[1] 马新[1] 张永丰[1] 张建乐[1] 赵书利[1] 李桂敏[1] ZHANG Wan-lei;MA Xin;ZHANG Yong-feng;ZHANG Jian-le;ZHAO Shu-li;LI Gui-min(Qinhuangdao Marine Environmental Monitoring Central Station of SOA,Qinhuangdao,Hebei 066002,China)

机构地区：[1]国家海洋局秦皇岛海洋环境监测中心站,河北秦皇岛066002

出　　处：《海洋湖沼通报》2020年第5期48-55,共8页Transactions of Oceanology and Limnology

基　　金：海洋公益性行业科研专项(201305003)资助。

摘　　要：近年来秦皇岛海域赤潮发生次数显著增长,已成为渤海赤潮最多发的区域;春季末和夏季是赤潮高发期,主要集中在5月~8月,季节特征明显;单次赤潮过程多持续时间较短,但近几年赤潮持续时间有增长趋势;秦皇岛市海港区海域赤潮发生次数最多,这可能与该海域磷充足有关;秦皇岛海域引发赤潮的藻种种类较多,以甲藻为主,近年两种或两种以上藻种形成的复合型赤潮呈增加趋势;近年秦皇岛海域有毒赤潮呈常态化,且有毒赤潮多为复合型赤潮;6月~8月是有毒赤潮高发期,6月份发生的赤潮面积较大,7月份则主要发生小规模赤潮;有毒赤潮主要发生在海港区和北戴河区海域。In recent years,the number of red tides in Qinhuangdao coastal seawater has been increasing significantly.Qinhuangdao coastal seawater has become an area in Bohai Sea where red tides happen most fluently.The seasonal characteristics of the red tides happened there were obvious.The late spring and summer(May to August)were the peak periods of red tides.The duration of a single red tide was short.However,the frequency of red tides has been increasing in recent years.Most of the red tides occurred in the port district of Qinghuangdao,indicating that the red tides may relate to the abundance of phosphorus in the area.Diverse algal species inhabited Qinhuangdao coastal seawater,mainly dinoflagellates.In recent years,the species-compound red tides(two or more species)have been continuously increasing.The toxic red tides in Qinhuangdao coastal seawater have evolved as the normal,and most of them were the species-compound.The toxic red tides occurred mainly from June to August.The area of toxic red tides June was larger while that of those in July was small.The toxic red tides mainly occurred in port district and seawagter around Beidaihe.

关 键 词：秦皇岛海域 赤潮 褐潮 时空分布 赤潮藻种 

分 类 号：X55[环境科学与工程—环境工程]