Events of Red Tide Occurred in the Coastal Waters of China from 1933-1992

(Source : Hua, Z. 1994)


Time 
Place
Scale
Causative Organisms
Harmful Effect
1993 Coastal water between Taizhou and Shipu, Zhejiang   Noctiluca scintillans Skeletonema costatum A large number of shellfish died
May-Jun, 1952 Yellow river estuary 75 km Long, 20km wide Noctiluca scintillans Cod croaker and perch were killed, and no catch in trap nets
Autumn,1961 Coastal water of Pingtan Island, Zhejiang   Trichodesmium sp. Harm to the shellfish farming, and the yield of shellfish decreased
Aug-Nov, 1972 Northern area of East China Sea (30-32°N, farther west than 127°E) 2000 km2 Trichodesmium sp. The catch of fish (markerel, scad and other fish) decreased heavily, and food base damaged obviously
Aug 8-29, 1977 Coastal water between west of Dalian Habour and Heshang Island Lianoing 560 km2 Prorcentrum Minimum Fish died and floated on the surface, and no catch of set nets
Oct, 1978 Coastal water between west of Dalian Harbour and Heshang Island, Liaoning   Mesodinium rubrum Local fisheries were damaged
Sept, 1979 East coastal water of Fujian    Trichodesmium erythraeum A vast area of cultivating laver was affected, and the seedlinds died or grew slowly in some areas
May 17-23, 1980 Zhanjiang Harbour, Guangdong   Leptocylindrus danicus Fish were killed and floated on the surface, and the yield of fisheries reduced obviously
Sept-Oct, 1981 Shansha Bay, Fujian   Noctiluca scintillans Three red tides occurred intervally during that time, cultivating kelp was affected heavily, and oysters died
Aug-Sept, 1982 Changjiang river estuary (30-30.5°N)   Noctiluca scintillans The migration of large head hairtail
Apr,1983 Daya Bay and, Dapeng Bay, Guangdong   Gymnodinium sp. More than 20 species of fish died, and floated on the surface
Apr,1983 Daya Bay and, Dapeng Bay, Guangdong   Rhizosolenia alate f. gracillima  Fish, shrimps and shellfish died, 75 tons of fish product was lost, and 1 ton of cage-cultivated fish was devastated
Oct, 1984 Shansha Bay, Fujian   Noctiluca scintillans Farming oysters of several hundred hectares were killed
Feb, 1986 Western area of Shenzhen Bay, Guangdong   Noctiluca scintillans 50% cultivating oysters died in the vicinity
Jun, 1986 Western area off Xiamen, Fujian   Gymnodinium sp. Fish and swimming crab died, some people were ill with abdominal pain and diarrhoea after eating the contaminated swimming crabs
Jun-Jul, 1986 Changjiang river estuary ~1000 km2 Skeletonema costatum Serious effect on the marine ecosystem
Nov 25-27, 1986 Coastal water of Dongshan, Fujian   Gymnodinium sp. Shellfish such as Ruditapes philipinenis were contaminated. 136 local residents were poisoned with some symptoms of PSP after eating the shellfish. Amount them, one person died because of respiratory nerve paralysis
Aug, 1987 Coastal water of Gougi Island, Zhejiang Wide area Noctiluca scintillans Scallop died, all of the cultivated abalones were killed, and some mussels on the reefs were killed
Jun-Jul,1988 Changjiang river estuary 1400 km2 Noctiluca scintillans Marine ecosystem was affected seriously
Jan 4, 1988 Coastal water of between Yantian and Nanao Guangdong 20km long 39km wide Noctiluca scintillans Fish died and floated on the reefs were killed
Apr, 1989 Coastal water of Fuqing, Fujian Wide area Noctiluca scintillans The yield of cultivated shellfish reduced heavy, 11,000 tons of razor clam were killed. More than 10 millions of shrimp seedling died. Thw whole economic loss was more than 30 million yuan.
Jul, 1989 Coastal water of Zhuoshan Island, Zhejiang 1000 km2   Fish died
Jul 5-10, 1989 Coastal water of Dongshan, Fujian 3 km2   Most of the cultivated Sinonovacula sp.around were killed. The economic loss was 2.8 million yuan
Jul-Nov,1989 Changjiang river estuary Large area   Fish, shellfish and shrimps died, water quality deteriorated. The level of dissolved oxygen in the water was very low
Aug-Oct, 1989 Coastal water of Bohai Bay Vast area   Fish, shellfish and shrimps died heavily, especially in cultivating ponds,resulting in great economic hardship to the coastal fishing communities and mariculture loss was about 300 million yuan
Jun, 1990 Coastal water between Weitou Bay and Quanzhou Bay, Fujian   Cochlodinium sp. Marine organisms died, including deverfish, moray, oriental spotted boss and black sea bream
Jan 28, 1991 Xingying harbour, Hainan >30 km2 Noctiluca scintillans Fish, including breeding in nets, and crabs died
Feb 4-27, 1991 Coastal water of Dan County, Hainan   Noctiluca scintillans Fish and shellfish died
Mar 20-21, 1991 Coastal water of Yantian, Guangdong 120000 km2 Noctiluca scintillans Fish, including ten thousands of fish seedlings, died and floated on the surface

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