1,500 TONS of fish die in La Nga River, Dong Nai, Vietnam
According to the Department of agriculture and rural development, water resources of the river La Ivory at the time the fish die-off of dissolved oxygen concentration (DO) at a low level, only 2.6-3.2 mg/l while this content must reach from 4 mg/l and above. Through tests, functional forces also discovered NH4 concentration (Ammonia), gas NO2 (Nitrite) … beyond the threshold allows the 10-20 times.
Before the phenomenon of dead fish, the Dinh Quan district happens rain and lasted for about 7 hours. According to the Department of agriculture and rural development, the amount of rain water then pour La NGA River and could carry the pollutants increases the toxicity of NH4, NO2, CH4 (Mexican melt) …. do the fish die-off.
Initially, the Bureau of Fisheries Department of agriculture and rural development of Dong Nai confirmed dead fish due to the unfavorable change of the environment.
About directions support the fishermen suffered damage, head of agriculture and rural development said the case of dead fish caused by natural disasters, the Department of Dong Nai province’s recommendations support the people money to reproduce. The case of dead fish caused by discharge of effluent of the plant, the Department will suggest the police on investigations, handled according to law.
Earlier, on the night of 20/5, fish farming in the La NGA River is slow, the surface foam bite then died massively. Due to the dead fish quickly should people not up back hand, heavy economic losses. To light 21/5, fish continue to die so people are forced to sell to traders with prices from 2,000-8,000/kg.
Initial statistics of the Department of agriculture and rural development, has about 1,500 tons of carp, fish, Yao Hong … of 80 households raising died, much damage.
Courtesy of news.zing.vn