近几十年来，该区域许多湖泊面临着渔业过度利用和人为富营养化等各种问题。
However, many lakes in the region have suffered from fishery over-exploitation and man-made eutrophication for decades.
因此，对控制这些湖泊的水质富营养化而言，控制氮沉降并不是目前最紧迫的任务，而其它人为污染源的控制才是最急需的。
As a result, to control water eutrophication of these lakes, it is not most urgent to control nitrogen deposition but to control the other sources of nitrogen pollution mentioned above.
由于历史和人为原因，湖北湿地存在的问题主要表现为围垦、富营养化、水土流失及其生物资源的过度利用。
The problems faced by wetland are poldering reclamation, water pollution, eutrophication, water and soil loss, excessive utilization of biological resource due to history and human being.
但近年来，随着人为活动的不合理性等因素的影响，造成水体富营养化加剧，土壤侵蚀更加严重，环境进一步恶化。
But in recent years, with the irrational nature of human activities and other factors, resulting in increased eutrophication, soil erosion is more serious and further environmental degradation.
受人为活动干扰强烈，中国城市湿地存在面积缩小、功能退化、污染严重，特别是富营养化现象突出。
Under the intense human disturbance, the area of China's urban wetland is reducing, with its ecological services deteriorated and pollution and eutrophication getting serious.
受人为活动干扰强烈，中国城市湿地存在面积缩小、功能退化、污染严重，特别是富营养化现象突出。
Under the intense human disturbance, the area of China's urban wetland is reducing, with its ecological services deteriorated and pollution and eutrophication getting serious.
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