TAILIEUCHUNG - Environmental Impact of Aquaculture and Countermeasures to Aquaculture Pollution in China*

The simple linear population term is insignificant, however. In column II we investigate whether this is due to a non-linear effect of population size. The results suggest that this is indeed the case as both the linear and the squared population terms are statistically significant. This indicates that emissions experience a U-shaped relationship with population. Differentiating our estimated equation with respect to population and setting this equal to zero allows us to identify the turning point level of population: The estimated turning point is at around million people. Thus, while we do find a U- shaped relationship between emissions and population, population gener- ates an increase in emissions for. | Aquaculture Pollution in China Subject Area Subject Area Microbial studies and technologies supporting waste disposal management and remediation of municipal and industrial hazardous wastes Review Article Environmental Impact of Aquaculture and Countermeasures to Aquaculture Pollution in China Ling Cao1 Weimin Wang1 Yi Yang 2 Chengtai Yang 1 Zonghui Yuan3 Shanbo Xiong4 and James Diana5 1 College of Fisheries Key Lab of Agricultural Animal Genetics Breeding and Reproduction of Ministry of Education Huazhong Agricultural University Wuhan Hubei 430070 China 2 Aquaculture and Aquatic Resources Management School of Environment Resources and Development Asian Institute of Technology . Box 4 Klong Luang Pathum Thani 12120 Thailand 3 National Reference Laboratory of Veterinary Drug Residues Huazhong Agricultural University Wuhan 4 College of Food and Science Technology Huazhong Agricultural University Wuhan Hubei 430070 China 5 School of Natural Resources and Environment University of Michigan Ann Arbor USA Corresponding author wangwm@ DOI http Please cite this paper as Cao L Wang W Yang Y Yang C Yuan Z Xiong S Diana J 2007 Environmental Impact of Aquaculture and Countermeasures to Aquaculture Pollution in China. Env Sci Pollut Res 14 7 452-462 Abstract Goal Scope and Background. Aquaculture activities are well known to be the major contributor to the increasing level of organic waste and toxic compounds in the aquaculture industry. Along with the development of intensive aquaculture in China concerns are evoked about the possible effects of everincreasing aquaculture waste both on productivity inside the aquaculture system and on the ambient aquatic ecosystem. Therefore it is apparent that appropriate waste treatment processes are needed for sustaining aquaculture development. This review aims at identifying the current status of aquaculture and aquaculture waste production in China. Main Features. China is the

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