land carrying capacity造句

• Review of land carrying capacity calculating methods china
  中国土地承载力计算方法研究综述
• Land carrying capacity
  土地承载能力
• Evaluating land carrying capacity in hilly regions of upper reaches of the yangtze river basin
  以土地资源的人口承载力为标准
• Discussion on land production potentiality and land carrying capacity in agriculture and pasturage interlaced zone in loess plateau of northern shaanxi
  陕北黄土高原农牧交错带土地生产潜力及人口承载力
• With population expanding , resources shortness , environmental deterioration and food deficiency , more and more eyes were fixed on land production potentiality and land carrying capacity
  当前，人口、资源、环境矛盾十分突出，土地生产潜力及人口承载量研究日益为人们所重视。
• 5 energy statistical method is used to research land carrying capacity , which is according to the trend , convenient for comparing during different zone and substitute for different kinds of food
  5该区生物生理性人口承载量1214 . 77万人，订正后的生物生理性人口承载量为913 . 99万人，理想人口承载量为621 . 17万人。
• The agriculture and pasturage zone of northern shaanxi is an important area in china for its geography and environment , its food can not carry the population . study on land production potentiality and land carry capacity has strategic significance for the zone
  因此，研究该区土地生产潜力及人口承载量，对于促进粮食生产、协调人地关系和社会经济持续发展均具有重要的战略意义。
• Based on field review and data collection , we study the land production potentiality and land carrying capacity in the zone . the main conclusions are as follows . 1 the research estimates the cropland production potentiality by step correct method
  本项目在野外考察和资料收集的基础上，对陕北农牧交错带土地生产潜力及人口承载量进行了系统的分析研究，得到以下主要结论和成果： 1采用逐步订正法估算作物生产潜力。
• Space - time alterable characteristic between economic growth and land , water , energy resources is studied ; land carrying capacity , water carrying capacity , the supply and demand of energy is forecasted , in order to provide reference and gist for correlative bureau to constitute economic and environmental plan
  从时间和空间角度分别论述了山东经济增长与土地资源、水资源和能源资源的变动特点和规律，并在此基础上预测了土地承载力、水资源承载力和能源供需水平，以便为相关部门制定规划提供一定的参考和依据。
• Based on the cultivated land fertility , according to grain yield , the planting coverage , the ratio of the grain crops to industrial crops and multiple crop index , the cultivated land population carrying capacity in 2010 and 2030 at the different population increasing modes were attained by predicting and analysing the food produce and the cultivated land carrying capacity
  摘要以耕地地力为基础，根据粮食单产、种植面积、粮经比和复种指数对河南省粮食产量和耕地资源承载力进行了预测和分析，得出不同人口增长模式下的河南省2010年和2030年耕地资源人口承载力。