Ecological environment changes in Daya Bay, China, from 1982 to 2004 |
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| Authors: | Wang You-Shao Lou Zhi-Ping Sun Cui-Ci Sun Song |
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| Institution: | a Key Laboratory of Tropical Marine Environmental Dynamics, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China
b Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China |
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| Abstract: | Data collected from 12 marine monitoring stations in Daya Bay from 1982 to 2004 reveal a substantial change in the ecological environment of this region. The average N/P ratio increased from 1.377 in 1985 to 49.09 in 2004. Algal species changed from 159 species of 46 genera in 1982 to 126 species of 44 genera in 2004. Major zooplankton species went from 46 species in 1983 to 36 species in 2004. The annual mean biomass of benthic animals was recorded at 123.10 g m−2 in 1982 and 126.68 g m−2 in 2004. Mean biomass and species of benthic animals near nuclear power plants ranged from 317.9 g m−2 in 1991 to 45.24 g m−2 in 2004 and from 250 species in 1991 to 177 species in 2004. A total of 12-19 species of hermatypic corals and 13 species of mangrove plants were observed in Daya Bay from 1984 to 2002. |
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| Keywords: | Daya Bay (DYB) Ecological environment Marine biological resources Mangrove plants Coral reef Coastal protection |
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