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    Study on evaluation of eco-water demand in Northwest China is very important on eco-system building.
    西北地区生态环境需水研究是生态环境建设的重要基础。
    The environment of northwest regions is weak and extremely sensitive to the human activities. This has become an essential obstacle for improving the investment environment and broadening the opening policy towards the world for each province in the northwest China.
    西北地区生态环境脆弱 ,对人类活动极为敏感 ,这成为西北各省区改善投资环境 ,扩大对外开放的基础性障碍。
    and(2)the improvement of ecological condi tion and local environment can promote grain production and reduce the risk of natural disasters.
    ②西北地区生态环境以及局地小生境的改善可以促进粮食生产、降低灾害风险。
    Overcrowded with people and human destruction has been leading to ecological deterioration in northwestern China, which appears as desert encroachment and lake drying up.
    我国西北地区生态环境恶化严重 ,湖泊缩小或干涸 ,沙漠化日益严重 ,主要原因是人满为患、人为破坏。
    The paper specifies the ecological environmental characteristic in the northwest region of Hubei systematically and fully,focuses on analysis and evaluation about ecological factors of the landform,climatic,soil and forest vegetation respectively.
    本文系统、翔实地阐述了鄂西北地区生态环境特征 ,着重对地貌、气候、土壤、森林植被等生态因子进行了分析与评价。
    The fragility and deterioration of the northwest ecological environment in the northwest region has already restricted the economic development.
    西北地区生态环境脆弱及其严重退化制约着社会经济的发展 ,生态环境建设十分迫切。
    It is high time to recover ecological environment. Five basic guidelines to recover northwest ecological environment are: the guideline of the entropy theory ;
    建设和改善西北地区生态环境的五种基本思路是 :应用熵理论的生态环境建设思路 ;
    The conversion from farmland to forest or grassland is a great action of eco-environmental construction in Northwest China, but necessarily it may directly influence the grain production of that area.
    退耕还林 (草 )是西北地区生态环境建设的重大举措 ,但退耕必然会对的粮食生产带来直接影响。
    Status of forests and grasses vegetation on reconstructing ecoenvironments was clarified through analyzing the regional ecoenvironment characters and function of forests(grasses) vegetation.
    通过分析西北地区生态环境特征、森林植被的作用,阐述了林草植被在生态环境重建中的地位;
    The present situation of ecological environment is appraised. Suggestions on exploitation and utilization and protection of water resources in Northwest China are presented.
    评价了西北地区生态环境现状,提出了西北地区水资源开发利用与保护的建议。
    The eco-environment is degrading gradually in the Northwest China, which has threatened sustainable development of the local economy and society.
    西北地区生态环境日趋恶化,严重威胁着当地经济社会的可持续发展。
    This paper discusses the roles of the utilization of waste water in the environment protection, analyzes the problems existing in the current utilization of waste water, and gives some suggestions on the utilization of waste water in northwest China by means of the analysis of the status of fresh water resources, the amount of waste water discharged and processing of waste water.
    通过分析西北地区水资源状况、废水排放量和废水的处理状况,探讨了废水利用在西北地区生态环境建设中的地位和作用,阐述了当前废水利用中存在的问题,提出了废水资源化的建设性意见。
    The conceptual model of climate trend of spring sandstorm in Ningxia was setup as well.
    依据作用机理,提出了在西北地区生态环境局部治理、整体恶化背景下,宁夏春季沙尘暴发生频次减少,主要是东亚环流调整、冬季风减弱所致,同时还形成了宁夏春季沙尘暴短期气候趋势预测概念模型。
    Further investigation on the loess deposit and its record of climate and environmental changes is helpful in understanding climate change, and in offering scientific support to the project of ecological and environmental reconstruction in northwest China.
    对黄土记录的深入研究,将对理解地球系统变化的规律与机制、为黄土高原以及中国西北地区的生态环境建设提供科学依据。
    In order to cause the attention of society and people to the forest ecosystem, and advance the ecological environment conservation in the Northwest China, value of the forest ecosystem services of Qilian mountain in Gansu province were evaluated by using the methods of shadow engineering, market price, substitution expenditure, opportunity-cost, capitalized returns, and so on.
    为引起各界对森林生态系统的重视 ,推进西北地区生态环境建设 ,采用影子工程法、市场价值法、替代花费法、机会成本法、收益资本化法等 ,对祁连山森林生态系统服务功能进行评估 ,得出祁连山每年森林生态系统服务功能总价值为 2 4 30亿元。
    Under conditions of global climatic changing warming, it is becoming focus to research evolution trend of Eco-environment in Northwest China now.
    在全球气候转暖的大环境下,西北地区生态环境演化趋势是目前研究的焦点。
    By analyzing geological background and atmospheric circulation situation of forming eco-environment, the article has inferred that eco-environment in Northwest China is the result from the peculiar topographty structure and complicated atmospheric circulation, and is not only atmosphere temperature change.
    文章通过西北地区生态环境形成演化的地质及大气环流形势,推得西北地区生态环境的演化并不是简单的温度变化所致,是在特定的地形格局控制下,气候环流复杂演化的结果。
    The environment conditions of Northwest China are very fragile although there are the abundant natural resources. One of the subjects that people are concerned with is how to realize the coordinative development of the society and economy.
    西北地区生态环境脆弱,资源丰富,如何在发展经济的同时实现人与自然的和谐共处,已成为人们日益关心的话题。
    Policies on ecological adminiatration of the North-west regions of China are inefficient for the reason of unreasonable land property right in the countryside which affects government's ecological administration and protection of ecological resources as well as ecological constructors' ecological administration.
    西北地区生态环境治理政策的总体效果不佳,究其根源是农村土地产权制度存在不少缺陷,诸如土地所有权的多级代理,生态资源权的支离破碎,集体所有权的强势地位,承包主体的弱势地位及产权残缺等。
    In the point view of policy and system,this paper analyses the cause of environment problem,and looks back on the constraint of policy and system to the eco-environment and resource's sustainable utilization in Northwest China. The paper also puts forward the countermeasure on eco-environment and resource's sustainable utilization in Northwest China in organic agriculture,circular economy,overall development,energy exploitation,water resource using,urban poverty alleviation,prevention and cure of coal spontaneous combustion.
    本文从政策和制度的角度分析了环境问题产生的根源,回顾了政策体制对西北地区生态环境和资源可持续利用的制约,并从有机农业、循环经济、三个统筹、能源开发、水资源利用、城市扶贫、煤炭自燃防治、绿色GDP的建立等八个方面对西北地区生态环境恢复与建设及资源可持续利用提出了对策建议。
 

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