植被覆盖度是绿洲生态环境变化的最重要标志之一。
Plant cover is one of the most important sign of oasis ecological environment change.
植被覆盖及其变化是全球和区域生态环境变化的重要指示。
The change of vegetation coverage indicates the changes of global and regional entironment.
土地政策是影响土地利用及生态环境变化的一个重要的驱动因素。
Land policy is one of the most important driving factors affecting the use of land and the change of ecological environment.
水量调度效果如何，河口生态环境变化状况是非常重要的衡量指标。
The indexes of estuarine ecosystem environment can assess the effects of water regulation.
引用大量事实比较全面的阐述了引起生态环境变化的关键因素是水。
That water is the key factor of ecological environment being changed was demonstrated by citing a great deal of materials.
因此NDVI被认为是监测地区或全球植被和生态环境变化的有效指标。
Therefore, NDVI is considered to be an effective ecological indicators of regional or global monitoring vegetation and environmental change.
年，对桂东南马尾松工程幼林郁闭过程的生态环境变化进行定位观测研究。
The observation method of fixed position was used to study the characteristics of ecological environment in closing process of engineering young forest of Pinus massoniana Lamb from 1991 to 1996.
土地利用变化的研究是生态环境变化研究的重要基础，也是调控人类行为的科学决策依据。
The research of land use change is the foundation of the ecological environment change research, and it is also the scientific policy-making basis which regulates the human behavior.
土地利用变化的研究是生态环境变化研究的重要基础，也是调控人类行为的科学决策依据。
The research of land use change is the important foundation for the ecological change research, which is also the policy-making basis for regulating the human behavior.
有些生态环境变化有利于控制或消除血吸虫病，而有些生态环境变化可能导致钉螺扩散和血吸虫病蔓延。
Some of ecological environmental changes rea conducive to control or elimination of schistosomiasis, but some ecological environment may lead to the spread of snails and schistosomiasis.
本文从分析引起内蒙古西部生态环境变化的影响因素入手，阐述了内部适应性因子和外部驱动性因子对生态环境变化的影响。
This research begins with analyzing the influencing factors of ecological environment diversion, and expatiating the impact by inner applicable factors and outer driving factors.
随着气候的变化，城市化对于生态环境的改变，更多的物种会失去栖息地——使原著和外来物种的区别更模糊。
As climate change and urbanization continue to reshape the ecological landscape, more species will leave their homelands-making the distinction between resident and alien a moot point.
而这种变化有可能对全球气候和生态环境产生影响。
And the increase could be a contributing factor to climate and ecology changes around the world.
中国是一个气候条件复杂、生态环境脆弱、自然灾害频发、易受气候变化影响的国家。
China, with complex climatic conditions, fragile ecological environment and frequent natural disasters, is vulnerable to climate change.
湾流是欧洲温带气候的原因，而它的变化将对陆地气候和生态环境都会带来严重的影响和结果。
The Gulf Stream is the reason behind Europe's temperate climate and a reduction in its influence would have serious consequences for climate and the ecosystem in the continent.
这说明生态环境对气候变化的响应存在一种时间上的滞后性。
These reveal that there is a temporal hysteresis in the response of ecological environment to climate change.
城市扩张对生态环境的影响主要是由土地覆盖类型变化和扩张空间模式引起的。
The Influence of urban expanding on eco environment is mainly caused by the change of land coverage pattern and expanding spatial model.
本文采取遥感图像光学增强、地学分析和历史资料论证的方法，研究了太原断陷盆地古湖泊的演变与生态环境的变化。
In this paper evolution of ancient lake in Taiyuan basin and changes of ecological environment were studied by optical enhancement of remote sensing image, geoscience analysis and historical records.
基于遥感的土地覆盖类型变化对生态环境的影响已实现定量研究，而空间模式的影响尚处于定性研究阶段。
The influence of land coverage pattern change on eco environment has already been studied quantitatively with remote sensing while the influence of spatial model is still in qualitative research.
前言：大开发几年来，西部生态环境建设、改善呈现出可喜变化，当前治理与破坏相峙。
Several years after China 'western Development Program began, the construction and improvement of the western ecological environment are going from better to better, but there are still damages.
根据对鱼塘养鱼水体生态环境因子的现场实验，分析了鱼塘溶氧浓度的变化规律。
Based on experiments on ecologic environmental factors in the water body in fishpond, the variation pattern of oxygen solubility in fishpond was analysed.
本文通过调查数据阐述了近年来大庆市生态环境的状况变化趋势，井提出对策。
The paper discusses variation trend of biological environment in DaQing city in recent years and puts forword countermeasures.
海洋生态环境的变化。
大开发几年来，西部生态环境建设、改善呈现出可喜变化，当前治理与破坏相峙。
Several years after China 'western Development Program began, the construction and improvement of the western ecological environment are going from better to better, but there are still damages.
运用遥感和地理信息系统等技术，按照景观生态学的原理，对海南生态环境现状进行了评价，并对近十年来的变化进行了对比分析。
Evaluation and comparison of the eco environmental quality of Hainan Island was carried out with the aid of remote sensing and GIS and in line with the principle of landscape ecology.
同时，气候变化对我国生态环境和社会经济的负面影响也日渐突出。
Meanwhile the negative effects of climate change on China's ecological environment and social economy are significant.
同时，气候变化对我国生态环境和社会经济的负面影响也日渐突出。
Meanwhile the negative effects of climate change on China's ecological environment and social economy are significant.
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