Ecological remediation technologies for China’s freshwater aquaculture pond environment:A reviewChinese Full Text
SONG Chao,CHEN Jia-zhang,QIU Li-ping,MENG Shun-long,FAN Li-min,HU Geng-dong(Key Open Laboratory of Ecological Environment and Resources of Inland Fisheries/Freshwater Fisheries Research Center,Chinese Academy of Fishery Sciences,Wuxi 214081,Jiangsu,China)
Abstract: Traditional freshwater aquaculture is facing more and more serious environmental problems,and thus,ecological remediation technologies for freshwater pond environment are more attracted.The in-situ remediation represented by fish-vegetable mutualism mode（FVMM） and the ectopic remediation represented by recirculating aquaculture system（RAS） are the emphases of present researches.From the viewpoint of water eutrophication,and with pond nitrogen cycle as the point of penetration,this paper analyzed the advantages and disadvantages of FVMM and RAS,and discussed their referred area configuration.The FVMM could reduce the discharge coefficient of fish pond,but the ecological balance would be hard to realize if this mode was applied to all our fish ponds.The RAS could not avoid the extra economic cost and land resources,but its zero-discharge made this system have definite ecological value when applied in eutrophication area.
Keywords：
- DOI：
10.13292/j.1000-4890.2012.0344
- Series：
- Subject：
- Classification Code：
X524
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