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人口增长
    However, the society and economy factor is the dominant influence, such as population growth, economy development, town construction, returning cultivated land to forest or grassland and so on.
    经过调查分析,本研究认为地形地貌、水热条件等自然因素是雨城区土地利用/覆盖的基本影响因素,在一定程度上起决定性作用,而人口增长、经济发展、城镇建设以及生态退耕等社会经济因素则是该地区土地利用发生时空变化的主导影响因素。
    controlling population growth;
    控制人口增长
    (5)to control population growth, improve quality of population, realize sustainable development.
    (5)控制人口增长,提高人口素质,实现可持续发展。
    A STUDY ON GLOBAL LAND USE CHANGE UNDER THE PRESSURE OF POPULATION GROWTH
    人口增长胁迫下的全球土地利用变化研究
    Based on the evaluation and analysis to environmental or public policies, relevant countermeasures are recommended:The countermeasures include controlling population growth, strengthening drainage basin management for water resources, establishing public participation and ecological compensation system and adjusting the industrial structure.
    在对环境或公共政策进行评估分析的基础上,论文提出了相应的对策: 即控制人口增长,加强流域水资源管理、建立公众参与和生态补偿机制,进行产业结构调整。
    After analysing these respones of land use,forest resources, water resources,living being resources,energy resources and marine resources to population increase,this pa- per states that the only way to ensure the consistency between population growth and natural resources yields is to control strictly the population size.
    本文分析了人口增长与土地利用、森林资源、水资源、生物资源、能源和海洋资源的相互关系,指出确保人口增长与自然资源的产量和物种保护协调一致的唯一出路是严格控制人口数量增长。 从另一个方面,反映了自然资源开发与保护的重要意义。
    The historical economic development in Changjiang Delta can be divided into 3 phases with simultaneous population growth.
    历史时期,长江三角洲地区经济发展,具有与人口增长基本同步的三个发展时期。
    In different historical periods in this process, population growth had different impacts on the regional economic development.
    在此过程中,人口增长因素,在不同历史时期,对区域发展起着各具特色的作用。
    So we must tackle population growth as the key factor, tap the resources, make integral planning, and strengthen management, in order to put the nature-society -economy system in its best coordinated state for sustainable growth of regional economy and better regional environment.
    对此必须抓住人口增长这个主要方面,挖掘资源潜力,统一规划,加强管理,使自然-社会-经济系统的各个方面处于最佳协调状态,控制熵增,以求区域环境的久治长安、区域经济的持续增长。
    Population growth,economic development and resources supply have always been a dominating contradiction.
    人口增长、经济发展与资源供给始终是最基本的矛盾。
    The thesis analyzes the characteristics of plough resource and the present situation of plough utilization,evaluates and Calculates supporting capacity of plough in You county. The results show that the plough has some latent supporting capacity at the present time, but the supporting capacity will reach saturation in 2011 and increasingly overload after 2011.For this reason,the following measures must be taken:1)implementing family planning policy and controlling population growth;
    在对攸县耕地资源特征及其利用现状评价的基础上,分析了该县耕地资源的承载现状,并对未来40年耕地承载状况进行了预测.结果表明,攸县现有耕地尚有一定的承载潜力,但前景不容乐观,2011年耕地承载力将达饱和,此后便是日趋严重的超载现象.为此,必须执行计划生育政策,严格控制人口增长
    Reasons for this relative stable equilibrium is that the improved agricultural technology,which is marked by irrigated area expansion and a large amount of chemical fertilizer application,leads to the rise of cultivated land productivity to 63 9%,and offsets the cultivated land increase,grassland and forest decrease under the pressure of population growth.
    维持相对稳定的机制是以扩大灌溉面积和大量投入化肥为标志的农业技术进步使土地生产率提高了639%,从而抵消了人口增长胁迫耕地面积增加、草地和森林面积相应减少的压力。
    This paper examines the impacts of such aspects as changes along national boundaries,international regional cooperation and economic integration,climate change,population growth and sustainable development,etc. ,upon the utilization and management of transregional fresh water resources.
    从边界变化、国际区域合作和经济一体化、气候变化、人口增长、可持续发展等全球趋势对此主题的影响进行了探讨。
    Because of world economic development and population growth, urbanisation has been rapid with a constant increase in the scale and number of cities, particulary in developing countries.
    随着世界经济的飞速发展和人口增长,城市的规模和数量也在急剧增加,城市化的趋势变得日益明显,尤其在发展中国家。 在这一过程中,地下水所扮演的角色越来越重要,揭示城市化与地下水各方面之间的相互影响规律以实现其可持续发展,成为一个全球性的重要研究课题。
    The quantitative analysis based on the intermodulation relationships between population,resources,environment and economy of the Plateau,leads to the conclusion that rapid population growth and its lower quality constitutes the most fundamental barrier to the sustainable development of the Plateau;
    从高原人口、资源、环境、经济等互动关系的定量分析着手 ,提出人口增长较快、素质不高是高原可持续发展所面临的基础性障碍 ;
    With population growth and man's acceleration in exploiting water and soil resources,water recycle and water soil balance in nature are undermining continusously which has not only added pressure to water supply and demand,land use and eco environment,but also affected sustainable development of regional society and economy seriously.
    随着人口增长和人类对水土资源的加速开发利用,自然界的水文循环和水土平衡不断受到破坏,给水分的供需和土地利用及生态环境增添了新的压力,同时也严重影响区域社会经济的持续发展。
    Sharp decrease in forest area,degradation of pastureland,and serious soil and water loss resulting from increasingly serious steep slope reclamation and rotational and abandoned planting due to population growth and economic development. Consequently,contradiction of population land environment became even sharper,causing more people poverty stricken and part of population losing survival conditions.
    近年由于人口增长和经济发展 ,陡坡垦殖和轮歇种植日趋严重 ,造成森林减少、草场退化、水土流失严重 ,使人口—土地—环境矛盾日趋突出 ,导致贫困人口较多 ,部分人口失去生存条件。
    century are discussed,including population growth、economic development、 the increase of agriculturalwater demands. Especially, with the West development which ate limited by existing fresh water resources situation. complicated structure and expensive prices, it is essential to save water and improve environment in order.
    本文着重论述内蒙古自治区 2 1世纪水资源可持续利用 ,水在人口增长和经济发展 ,农业用水量增加趋势 ,特别随着西部大开发 ,现有淡水资源有限 ,水资源利用将变的越来越复杂和昂贵 ,水资源的开发和管理 ,必须考虑节水和改善环境以实现经济可持续发展
    What is worse, the population growth and promotion of living standard exert great pressure on the currently weak natural resources and environment.
    更为严重的是,人口增长和生活水平的提高对现已十分脆弱的国家资源环境安全基础产生着巨大的压力。
    The prediction result of the model indicates that the situation of water resources carrying capacity of northwest China will be improved gradually in the future and the A1+B2+C2 scenario is better than that of the other three scenarios, while reducing the proportion of water utilization of social economy, enhancing the efficiency of water use and controlling the rate of population growth will be the key factors.
    模型预测结果表明 ,通过生态环境治理、节水技术进步和产业结构调整等综合措施 ,未来各年段西北地区水资源承载力状况将逐步改善 ,其中以采用A1 +B2 +C2发展情景方案将使水资源承载状况综合效果最佳 ,节约用水、降低水资源开发利用率 ,提高用水效率和控制人口增长则是提高西北地区水资源承载力水平的关键因素
 

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