水丰湖流域入湖污染物分析及控制措施

发布时间：2018-06-08 07:23

本文选题：调查 + 水丰湖流域　；参考：《中国农学通报》2017年08期

【摘要】：为遏制水丰湖水质恶化,并从源头上有效控制流域污染,通过对水丰湖流域污染负荷的调查研究及生态安全评估,旨在探寻入湖污染物的来源、组成及分布规律,为流域水环境治理提供理论依据。结果表明,流域COD、TN、TP等污染负荷的排放中,养殖、农田等面源的贡献量远大于工业等点源,且污染负荷的入湖量具有明显的季节性;应用"驱动力-压力-状态-影响-响应"(DPSIR)模型评估分析,水丰湖流域生态状况处于安全区间,但是水质恶化的趋势使得污染物的控制工作亟待开展。综上,水丰湖流域的生态环境保护项目应着重从入湖河流的水质改善、畜禽养殖废弃物的综合治理、农田污染的合理控制等方面开展和强化。
[Abstract]:In order to control the deterioration of water quality in Shuifeng Lake and effectively control the pollution from the source, composition and distribution of pollutants in Shuifeng Lake Basin are investigated and studied, and the ecological safety assessment is carried out in order to find out the source, composition and distribution of pollutants coming into the lake. To provide theoretical basis for watershed water environment treatment. The results showed that the contribution of non-point sources, such as aquaculture and farmland, was much larger than that of industrial isopoint sources in the discharge of pollution loads such as COD, TNTP and so on, and the amount of pollution load entering the lake had obvious seasonality. Based on the DPSIR-based model of "driving force, pressure, state, influence and response", it is found that the ecological condition of Shuifeng Lake basin is in a safe range, but the trend of water quality deterioration makes the control of pollutants urgently need to be carried out. In summary, the ecological environmental protection projects in Shuifeng Lake basin should be carried out and strengthened from the aspects of improving the water quality of rivers entering the lake, comprehensive treatment of livestock and poultry wastes, reasonable control of farmland pollution, and so on.
【作者单位】：中国农业科学院农业环境与可持续发展研究所农业清洁流域团队;上海市农业科学院生态环境保护研究所;辽宁省环境科学研究院;
【基金】：国家自然科学基金(51308537) 江河湖泊生态环境环保护专项“水丰湖生态安全调查与评估”(2015110001002940)
【分类号】：X524

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