【摘要】 秦皇岛市的主要水源地——洋河水库，目前的营养状况已达到富养水平。分析了洋河水库富营养化的营养物质的来源，并针对洋河水库富营养化的状况和特点，提出了操作性较强的生物、农艺和行政管理等综合防治措施。更多还原

【Abstract】 The trophic level of Yanghe Reservoir reached eutrophication. In this paper analysed the oirgins of trophic substance which caused eutrophication of Yanghe Reservoir,Based on the state and characteristic of eutrophication of Yanghe Reservoir,A comprehensive method consisted of man- agement enforcement ,biologicalmeasure and argiculture measure was provided.更多还原