Thursday, March 10, 2011

City rivers too polluted for aquaculture: expert

The pollution in Ho Chi Minh City rivers and canals is severely affecting people living on aquaculture, an expert has said. Nguyen Van Phuoc, head of the Vietnam National UniversityHCM City's Institute of Environment and Resources, said clean water sources meant aquaculture farmers could reduce the use of chemicals for cleaning.

But HCM City's water sources are polluted by industrial waste. A study by the Institute of Environment and Sustainable Development found almost all the City's rivers and canals were polluted. Minor rivers in the districts of Nha Be, Binh Chanh, Hoc Mon, and Cu Chi were "seriously" polluted.

Just certain short stretches of the Sai Gon and Dong Nai rivers are "slightly" polluted with most of the rest as well as the Nha Be, Long Tau, Soai Rap and Can Gio rivers being "medium" polluted. Only some stretches on any of the rivers are suitable for aquaculture. One of them is in the Dong Nai between its confluence with the Sai Gon and the upper reach of the Dau Tieng Lake. Two others are in the Sai Gon: from Tay Ninh to Ben Dinh and Binh Phuoc Bridge to Sai Gon Bridge. Read more ...

This blog is written by Martin Little The Aquaculturists, published and supported by the International Aquafeed Magazine from Perendale Publishers.

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