Analysis on Characteristics of Red Tide Disaster in Wenzhou Coastal Waters During the Last 10 Years
GAO Junzhang
LIU Yalin
LIN Yi
WANG Hangjun
Abstract：In this paper,all the red tide events that occurred from 2007 to 2016 in Wenzhou coastal water were comprehensively analyzed.The results show that:(1) the outbreaks of red tide often occurred between March and September,and the peak period was in May and June,and the average lasting time of red tide is 8.6 days;(2) in terms of spatial distribution,the outbreaks of red tides mainly occurred in the coastal waters of Nanji,Cangnan and Dongtou,and the number of red tides occurred in Nanji coastal area was high about 46.0％ of total occurrence;(3) there were 10 species of organisms causing the red tides in Wenzhou coastal waters,among which 3 species were Bacillariophyta,5 species were Dinophyta,1 species was Chromophyta and 1 species was Protozoa;the Prorocentrum donghaiense was the most frequent cause of red tides,followed by the Karenia mikimotoi;the species caused red tides obeyed the succession law and there were always new species involved;(4) the major red tide plankton causing poisonous red tides were Karenia mikimotoi.The comprehensive analysis of the characteristics of red tides during the last 10 years is expected to provide scientific and reasonable basis for the prevention,reduction and forecast of red tides in Wenzhou coastal waters.
Keywords：red tidetemporal and spatial distributionWenzhou coastal watersred tide species
Publication Date：2017-01-01
Online Publishing Date：2026-05-22(First online date of this platform, not the publication date of the document)
Pages：5( 86-90 )