论文摘要
Harmful algal blooms（HABs） have become a recurring problem, posing severe impacts on marine ecosystems, fisheries, mariculture industry, and even public health. In this study, the geographic information system（GIS） was utilized to determine spatial and temporal characteristics of HAB events in the coastal waters of Guangdong from 1980–2016. We analyzed distribution patterns and characteristics of HABs by dividing the coast of Guangdong into well-known bays, estuary and coastal waters. Results showed that there were a total of 337 HABs recorded in Guangdong coastal waters. Spatial and temporal distributions varied among dif ferent regions. Most HABs occurred in the Mirs Bay, followed by the west coast of Daya Bay, while a few occurred in the west and east coasts of Guangdong but with an increasing trend in the past two decades. HABs occurred mostly in warmer months of March to May in the western coast of Guangdong, March and April in Mirs Bay, April in Zhujiang（Pearl） River estuary, November in eastern coast of Guangdong. For Daya Bay, most HABs were reported between March and September.The most frequently occurring HABs species were Noctiluca scintillans, P haeocystis globosa, Skeletonema costatum and Scrippsiella trochoidea, occurring mostly in Mirs Bay, western Guangdong coast area, eastern Guangdong coast area and Zhujiang River estuary and Daya Bay, respectively. Ichthyotoxic blooms were more common than toxic blooms, and Heterosigma akashiwo, Chattonella marina, Karenia mikimotoi and P haeocystis globosa were the most common ichthyotoxic species. Our results provide baseline information useful for policy making and management of HABs in the region.
论文目录
文章来源
类型: 期刊论文
作者: LI Li,Lü Songhui,CEN Jingyi
来源: Journal of Oceanology and Limnology 2019年02期
年度: 2019
分类: 基础科学,工程科技Ⅰ辑
专业: 环境科学与资源利用
单位: College of Life Science and Technology,Jinan University,Key Laboratory of Eutrophication and Red Tide Prevention of Guangdong Higher Education Institutes,Jinan University
基金: Supported by the National Key Research and Development Program of China(No.2017YFC1404300),the National Nature Science Foundation of China(Nos.41606175,41576162),the Strategic Priority Research Program of the Chinese Academy of Sciences(No.XDA11020304)
分类号: X524
页码: 535-551
总页数: 17
文件大小: 3583K
下载量: 20
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