紫水鸡分布的湖泊均存在不同程度的人为活动干扰。
There were effects of human activities at seven lakes in different degree.
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.
采用野外采样及室内分析方法，研究了剑湖自然保护区湿地土壤特性，探讨了农业利用和人为活动干扰对剑湖湿地土壤的影响以及森林对湿地的涵养作用。
We analyzed the impacts of agricultural activities, forest vegetation and human disturbances on wetland soil by studying on the soil characteristics of Jianhu nature reserve wetland.
由于过度采笋等人为活动的长期干扰，种群退化十分严重。
Because of long period of human interference activities such as excessive bamboo shoot harvesting, there exists severe population degradation.
观测结果显示，目前对藏羚迁移的主要干扰因素为：交通设施自身的屏障作用、人为活动、公路交通流量、未清理施工现场及未恢复植被等。
The main impacts on seasonal migration of Tibetan antelopes were physical barrier of the infrastructure, human activities, un-cleared land surface, un-recovered vegetation, traffic flow and so on.
根据喀斯特石漠化研究成果，喀斯特山区石漠化形成的主要原因是人为不合理干扰活动和喀斯特山区特有的脆弱生态环境所致。
The main reasons of Karst rocky desertification formation are the artificial unreasonable activities and frail ecological environment in the Karst mountainous area according to the research results.
镇雄县境内赤水河流域随着社会经济的展开，受到人为活动的干扰而发作变化。
Within the Red River Valley Zhenxiong As social and economic development, interference by human activities change.
镇雄县境内赤水河流域随着社会经济的展开，受到人为活动的干扰而发作变化。
Within the Red River Valley Zhenxiong As social and economic development, interference by human activities change.
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