耕地利用变化评价研究具有重要的应用价值。
Assessment of the change of farmland use is of great important.
坡耕地利用的好坏不但影响生态环境质量,还直接影响人民的生活与生存。
To use it stand or fall is connected with not only the quality of environment, but also people living.
耕地利用的社会效益主要取决于社会需求满足度、农业供养能力和人均耕地面积。
The use of arable land depends largely on the social benefits to meet the needs of society, support agriculture and per capita arable land.
福建省鲜明的区域自然条件、社会经济条件分异特征,导致耕地利用的区域差异性。
The distinctive distinguish in the natural, social and economic conditions in the different areas in Fujian province have resulted in regional difference of the cultivated land utilization.
在确定优化参数和约束方程的基础上,借助线性规划模型进行福建省耕地利用结构优化。
Based on the determination of optimizing parameters and boundary equations, the cropland using structure in Fujian Province was optimized by the model of linear programming.
这份公报指出,中国耕地利用程度高,目前垦殖率已达13.7%,超过世界平均水平。
The report shows that the utilization rate of China's arable land is high, with the current cultivation rate of 13.7 percent, surpassing the world average level.
因此,从耕地利用土地转换为灌木林地或草地也许,有助于改善土壤有机碳养分吸收和稳定。
Therefore, land use conversion from cropland to shrub land or maybe grassland, contributed to SOC sequestration and improved soil nutrients stabilization.
重庆市耕地利用的经济效益较好,但抗风险能力较低,自然灾害等对经济效益有显著的负效应。
The low efficiency comprehensive arable land use in Chongqing, mainly by the ecological and social benefits.
耕地利用完成了耕地价值转换,将耕地投入价值与耕地产出价值比较,便产生了耕地利用效益问题。
The use of arable land to complete the conversion value of the land will be cultivated land into arable land and the output value, we have had effectiveness of the use of arable land.
认为农用地流转可提高耕地利用效率,有助于促进耕地整理、复垦,增加耕地面积,有助于保障农民的权益。
It argues that arable land transfer can improve the efficiency of arable land use, boost arable land cultivation and safeguard peasants' rights.
本文运用典型相关分析方法,对全国1990 - 2006年的耕地利用集约度变化态势及其影响因素进行了分析。
This paper analyzes the change of cultivated land intensive use degree from 1990 to 2006 in China and its influencing factors using canonical correlation analysis.
根据近年收集到的有关贵州耕地利用的资料,作者对贵州耕地的质量、利用现状及国家对耕地利用的政策等进行了分析。
The preliminary analysis on quality and utilizing status of farmland and state policy about agriculture were conducted in Guizhou according to the collected data of farmland utilization.
通过对耕地利用过程中存在的选择价值与外部性问题进行分析,在此基础上提出耕地非农化决策的优化模式,并简要阐述了耕地保护的政策启示。
It puts forward an optimum decision model of non agricultural use of cultivated land and makes a simple exposition of policy enlightenment on protecting cultivated land.
并以湖南省浏阳市为例,通过对农民耕地利用行为的考察来验证上述理论的分析结论,实证分析的结果在一定程度上表明理论分析的结论是一致的。
A case study of Liuyang City, Hunan Province, was carried out so as to verify the theoretical hypothesis of farmers' behavior of land use. To some extent, the results of...
该研究结果可为区域合理利用土地资源、编制土地利用规划和耕地保护提供依据。
It can provide the basis for the rational use of land resources, the preparation of land-use planning and the protection of farmland.
区域产业结构的变化对土地利用结构有决定性作用,从而对耕地质量保护形成决定性影响。
The industrial structure upgrading has great affections on cultivated land quality protection by changing mode and degree of regional land use.
耕地的变化是区域土地利用变化的核心,其变化和流向反映了社会经济的基本态势。
The change of cultivated land is core of regional land utilization change. It's change and change trend reflects basic state of society economy.
研究目的分析北京市耕地占补平衡面临的问题,为编制北京市土地利用总体规划提供依据。
The purpose of the study is to analyze problems of dynamic balance of total amount of cultivated land in Beijing and thus provide scientific basis for land use planning.
根据安徽省生态环境现状调查的结果,耕地是安徽省主要的土地利用类型。
Based on the results of the survey of the current situation of ecological environment in Anhui Province, cultivated land is the main type of land use.
另一个是抑制土地利用率和利用新科技来提高耕地生产率的有效措施。
Another effective measure is to restrain the utilization of the land and to exploit the new technology to improve the productiveness of the arable land.
长城周围的土地利用类型主要有有林地,灌木林,疏林地,耕地,荒草地和裸岩。
There are forest, spinney , open woodland, plough field, grass and rock around the Great Wall.
结果表明,垦利县土地利用呈现出耕地(尤其是旱地)减少、盐荒地增加、林草地减少的发展趋势。
Theresults indicate that the land use in Kenli County is decreasing on cultivated land (especially dryland), increasing on salty waste land and decreasing on forest and grass land.
通过GIS建模 ,本文分析了我国土地利用的变化与其影响因子之间的相互作用关系 ,并着重对耕地的变化及其空间分布进行了模拟。
Through GIS modeling, this paper reveals the factors that determine the distribution of the different land use types, and special emphasis is put to cultivated land.
主要结论草地和耕地是土地利用的主要类型,未利用地面积较大,其它利用类型面积较小;
The conclusions as follows: the cultivated land and pasture land are the main land use types, and the unused land area is much and other land use area is small.
本研究为河南省土地利用总体规划修编、耕地占补平衡目标实现提供前期研究。
The study is an earlier stage job for integrated land-use planning and cropland held-replenish balance in Henan province.
城市土地利用变化的焦点是建设扩张与耕地禀赋限制。
Urban region is congregation center of economy and culture, is the most frequent change region of land use change.
净耕地系数测算是土地利用现状调查中一项极其重要的工作,其目的是提高耕地面积调查的精度。
The measurement of net arable land coefficient is of great importance in investigating the status of land-use, aiming at improving accuracy of the area survey.
净耕地系数测算是土地利用现状调查中一项极其重要的工作,其目的是提高耕地面积调查的精度。
The measurement of net arable land coefficient is of great importance in investigating the status of land-use, aiming at improving accuracy of the area survey.
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