MASSIVE die off of clams, fish, oysters and shrimp in Kien Giang Province, Vietnam
The mass of fish, clams, oysters and shrimps in Kien Giang province in the past few days has been unusually dead, causing billions of dong in damages to the people, as well as causing terrible stench in the area.
Residents say that the phenomenon of unusual seafood has appeared for many days, extending from the beach in Kien Luong district to Ha Tien town.
Seafood died most on May 8, a series of fish floating on the water and lying on the sand.
Not only fish but bottom-dwelling species such as prawns, crabs, crabs, and especially deep-sea species like clams and oysters also die in mass.
Mr. Vinh Kim, Chairman of Thuan Yen Clam Cattle Cooperative (Ha Tien Town), said: “The clam of the cooperative is close to the harvest date, the white dead, damage billions. Fish and shrimp also die in bulk. “
Mr. Phu Cot Lien (resident of Thuan Yen commune, Ha Tien town) chokedly said that he invested more than 1.5 billion for this clot but now lost.
Maybe, yesterday I harvested this clam. Expected to catch more than 250 tons, with the price of 21,000 thousand VND / kg, then collected more than 5 billion. But now clams are dead, “Lien said.
Truong Anh Vu, a resident of Duong Hoa Commune, Kien Luong District, said: “I drop 15 tons of clams like the last few billion. On harvest day, this is considered as empty hands. “
Mr. Van Khen (resident of Duong Hoa commune, Kien Luong district) said: “Previously I dropped nets at the beach near the house stick a lot of fish, but since the fish died so far can not baby brain”.
After receiving the information people reflected, Kien Giang province’s functional sector has come down to the field of field inspection and water samples sent to test to find out the cause of dead sea mass.
MARD also sent the team to the field and took some samples to take the test to find the cause.
A source from the Department of Natural Resources and Environment of Kien Giang province said that the agency had received the results of preliminary analysis of water samples analyzed CENTEMA Center for Applied Technology and Environmental Management related to the sea Mass production mentioned above.
Previously, three samples were transferred to this center for analysis to find the active ingredient that can kill fish mass.
As a result, there are 17 basic indicators in seawater and 2 indicators of pesticides are in the standard. Particularly surfactant indicators (indicators not in standard 10-MT: 2015 / BTNMT) are higher than normal.
In addition to the above three water samples, Kien Giang DONRE collected 7 samples of water for analysis at the laboratory of the Monitoring Center under the Department.
Results of the analysis of 7 indicators are included in the standard for QCVN 10-MT: 2015 / BTNMT on coastal water, NH4 + and Coliform only at the point between Tam Ban canal near the sluice gate of Trung Son shrimp pond Is exceeded by environmental standards (3.6 times and 11 times).
Currently, the Department of Natural Resources and Environment is awaiting the results of the analysis of phytoplankton criteria and the results of running gas chromatography to determine the origin of the surfactant. At the same time, the Department is also investigating for sources of surface active substances.
It is known that to date, the total number of dead fish is 14,000 including 3 types of grouper, squeeze and squirrel. The total area of clam farming is more than 558ha. The damage range extends over 30km from To Chau bridge in Ha Tien town to Binh An commune, Kien Luong district.
Courtesy of vietnamnet.vn
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