2018, Volume 20, Issue 5
Strategic Study of CAE >> 2018, Volume 20, Issue 5 doi: 10.15302/J-SSCAE-2018.05.007
Soil Pollution Risk Assessment and Comprehensive Prevention Strategy for Major Agricultural Producing Areas in North China
1. Chinese Research Academy of Environmental Sciences, Beijing 100020, China; 2. Shanghai University, Shanghai 200444, China; 3. Jilin Jianzhu University, Changchun 130118, China; 4. Jilin Provincial People’s Congress Environment and Resources Protection Committee, Changchun 130000, China
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Abstract
As the two largest “granaries” in China, the Northeast and Huang-Huai-Hai Plains are the main agricultural producing areas in North China, and the soil environmental risk management and control of these areas are vital to the national food security supply lifeline. This study analyzed the soil heavy metal pollution risks of main agricultural producing areas in North China by the potential ecological risk index method. The high-risk areas of Cd pollution are mainly distributed in Shenyang City in the east of Liaohe Plain, Jinzhou City and Huludao City in the south of Liaohe Plain, Shuangyashan in the Sanjiang Plain, Tianjin City in the Haihe Plain, and Xinxiang City in the southwest of the yellow river flood plain; Hg pollution high-risk areas are mainly distributed in Beijing and Tianjin of the Haihe Plain, and around the Shenyang City of the Liaohe Plain. The chemical industry, followed by the livestock and poultry industry, as well as the metal smelting and processing industry, is the major potential source of heavy metal pollution of soil in the Northeast and Huang-Huai-Hai Plains. This study proposed the “one area, one policy” pollution prevention strategy and key environmental protection projects from the aspects of environment monitoring and warning of agricultural products producing areas, clean production of industrial and mining enterprises, and comprehensive treatment of livestock and poultry pollution, which is based on local conditions and classification guidance. This study can provide important references for the strategic planning of sustainable development of the ecological environment of major agricultural producing areas in North China.
Keywords
的污染防治战略及重点环保工程。本研究对我国北方主要农产品产地生态环境可持续发展战略规划具有重要参考意义。 ; 污染高风险区域主要集中分布于辽河平原东部的沈阳市、南部的锦州市与葫芦岛市 ; 三江平原双鸭山市 ; 海河平原天津市 ; 以及黄泛平原西南部的新乡市 ; Hg 污染高风险区域主要分布于海河平原北京市、天津市 ; 辽河平原沈阳市周边。化工行业是导致东北及黄淮海平原农产品产地土壤重金属污染的最主要潜在污染源 ; 其次为畜禽养殖业、金属冶炼加工业。本研究从农产品产地环境监测预警、工矿企业清洁生产、畜禽养殖污染综合治理等方面 ; 以因地制宜、分类指导为原则 ; 提出了 ; 是北方主要农产品产地 ; 其土壤环境风险管控关系着全国粮食安全供给命脉。本研究通过潜在生态指数法分析了北方主要农产品产地土壤重金属污染风险 ; 研究结果表明 ; Cd 污染高风险区域主要集中分布于辽河平原东部的沈阳市、南部的锦州市与葫芦岛市 ; 三江平原双鸭山市 ; 海河平原天津市 ; 以及黄泛平原西南部的新乡市 ; Hg
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