文献类型： 外文期刊
作者： Wan, Nian-Feng 1 ; Ji, Xiang-Yun 1 ; Jiang, Jie-Xian 1 ; Li, Bo 2 ;
作者机构： 1.Shanghai Acad Agr Sci, Ecoenvironm Protect Res Inst, Shanghai Key Lab Protected Hort Technol, Shanghai 201403, Peoples R China
2.Fudan Univ, Inst Biodivers Sci, Minist Educ Key Lab Biodivers Sci & Ecol Engn, Shanghai 200438, Peoples R China
期刊名称：SCIENTIFIC REPORTS （ 影响因子：4.379； 五年影响因子：5.133 ）
ISSN： 2045-2322
年卷期： 2015 年 5 卷
页码：
收录情况： SCI
摘要： The extensive use of chemical pesticides for pest management in agricultural systems can entail risks to the complex ecosystems consisting of economic, ecological and social subsystems. To analyze the negative and positive effects of external or internal disturbances on complex ecosystems, we proposed an ecological two-sidedness approach which has been applied to the design of pest-controlling strategies for pesticide pollution management. However, catastrophe theory has not been initially applied to this approach. Thus, we used an approach of integrating ecological two-sidedness with a multi-criterion evaluation method of catastrophe theory to analyze the complexity of agro-ecosystems disturbed by the insecticides and screen out the best insect pest-controlling strategy in cabbage production. The results showed that the order of the values of evaluation index (R-CC/CP) for three strategies in cabbage production was "applying frequency vibration lamps and environment-friendly insecticides 8 times'' (0.80) < "applying trap devices and environment-friendly insecticides 9 times'' (0.83) < "applying common insecticides 14 times'' (1.08). The treatment "applying frequency vibration lamps and environment-friendly insecticides 8 times'' was considered as the best insect pest-controlling strategy in cabbage production in Shanghai, China.
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