大理洱源西湖村水污染负荷分析及对策措施

通过对大理西湖国家湿地公园所在地洱源县西湖村的种植业、畜禽养殖业、村民生活方式和旅游业的污染现状进行调查和分析,探索西湖村的生产生活与西湖水体污染的关系,比较得出引起西湖富营养化的主要原因是畜禽养殖污染物的流失。针对西湖村水污染源的特点,提出修复和保护西湖环境的措施:改变畜禽养殖方式,解决厩肥随地堆放产生的污染;构建成本低和维护简单的村落污水收集管网和处理系统;建设湿地生态农业和湖滨带乔木-水塘-沟渠生态系统;加强旅游基础设施建设,合理开发旅游资源,以保护促进开发。

Water Pollution Load in the Xihu Village,Eryuan County,Dali,Yunnan with Countermeasures of Eutrophication Control

To find out the lead reason that results in the eutrophication of the Xihu Lake,Eryuan County,Dali Bai Autonomous Prefecture,Yunnan province,analysis were made between the Xihu lake water pollution and crop farming,livestock breeding,villagers' life style and tourism there.The result proved that the loss of the pollutants by livestock breeding occupied the largest amount of the pollution load into the Xihu Lake.According to the characteristics of the water pollution sources of the Xihu Lake,restoration and protection measures were suggested: changing livestock farming methods to solve the pollution generated from the manure piling up at will;building cost effective and maintenance friendly villages sewage collection pipe network and treatment system;constructing wetland ecological agriculture and trees-ponds-ditches ecosystems;strengthening the tourism infrastructure,promoting rational development and placing equal stress on development and protection of tourism resources.