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Shanghai to use fish to monitor water quality |
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| www.chinaview.cn
2006-10-18 19:23:38
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SHANGHAI, Oct.18 (Xinhua) -- More than 100 mullet
will be freed in the Suzhou River next year to monitor the aquatic environment
in China's business hub of Shanghai.
It will be the first time that researchers in
Shanghai have used fish to monitor the environment, said Tang Wenqiao, a biology
professor with Shanghai Fisheries University at the China Fishery Conference on
Tuesday.
Mullet, also known as "Asian mermaids," are fish
whose biological index changes if the heavy metal or poisonous organic content
of water is too high. Mullet is deemed as natural monitor of water quality, said
Tang.
Suzhou River, Shanghai's mother river, was badly
polluted in the 1970s. People can seldom find fish and shrimp from the river for
27 years, according to Liberation Daily, a local newspaper.
Over the past decade, the government has invested 11
billion yuan (1.38 billion U.S. dollars) in improving the water quality.
A simulated experiment in the river proved that the
mullet can now live in the current water environment, said Tang.
Enditem.
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