土地垦殖
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清代关中地区土地垦殖时空特征分析
Spatial-temporal characteristics of land reclamation in Guanzhong region in the Qing Dynasty
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第四章主要论述宁夏平原的水利建设与土地垦殖情况。
Chapter IV , this chapter is mainly analyzed on water conservancy construction and land development .
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由于田地隐匿现象严重,首报不实,土地垦殖数量在官方统计上仅为扭曲表现。
Owing to serious concealment , and false report , of land , the official statistics of reclaimed land was simply warped .
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其后文章对时间断面下的土地垦殖率和人均耕地进行分析,总体显示本次修订是较为可信的。
Based on the analysis of land reclamation rate under time series and per capita arable land , it proved the authenticity of this revision .
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近代黄河三角洲是山东省土地垦殖率最低,土地后备资源最丰富的地区。
The recently-formed delta of the Yellow River is the region where there are the lowest rate of reclamation and the richest reserve land resources in shandong province .
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本文主要分三部分,简要内容如下:第一部分是讨论区域开发的主要要素:土地垦殖和人口增长。
This thesis is composed of three sections as follows : The first section discusses land cultivation and population growth , which are region economy development of primary factors .
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然而,土地垦殖率与农业利用率低、水资源缺乏等问题制约该区生态农业的发展。
However , the low rates of cultivation , low efficiency and water shortage in this area are the main factors , which are going to constrain local agriculture development .
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作为社会经济史研究领域与人类学对话的主要范畴,土地垦殖、宗族发展、神明崇拜、户籍制度的演变以及族群问题等,都展现了地域社会文化结构的动态过程。
As the main categories of the dialogue between socio-economic history and anthropology , land reclamation , lineage , popular religions , household registration , and ethnicity all display the dynamic process of local socio-cultural structuring .
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其中以7月降水量、地形崎岖度、山地比例、酸性紫色土比例及土地垦殖系数等作为决定四川森林覆盖率变化的最重要因素,这5个因素即可解释盆地森林覆盖率80%以上的变化。
Among them 5 factors such as precipitation in July , rugged index , montain proportion and the ratio of cultivated land in total area were main , which could explained around 80 % of variation of the forest cover .
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根据历史文献资料,分析总结清代陕北长城外伙盘地土地垦殖过程及时空表现特征。
Based on numerable and valuable historical documents , spatial and temporal characteristics of land reclamation in Huo PanDi at the outside of the Great Wall in the North of Shaanxi in the Qing Dynasty were analyzed in this paper .
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滇东北山区土地垦殖指数与退耕还林规划论退耕的分类
STUDY ON THE RECLAIMED INDEX OF LAND AND TAKING LAND OUT OF FARMING USE AND GIVING BACK TO FORESTRY USE IN THE NORTHEAST MOUNTAIN REGION OF YUNNAN PROVINCE Study on the Classification of Converting Farmland Back to Forest or Grassland , etc
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对中国南方岩溶区石漠化现状及成因进行了分析,提出应采取降低土地垦殖率,优化产业结构、恢复植被、环境移民、提高人口素质等手段防治石漠化。
The paper analyzes the present situation and cause of formation of desertification of karst areas in south of China , and it also pointed out some control measures of decreasing land planting rate , optimizing industry structure , restoring vegetation and improving people 's quality .
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整体讨论了县级册载田赋数据的数值与分布,数据显示清代晋北地区耕地利用的变化不大,土地垦殖在乾隆时期达到峰值,没有继续增长,稍有下降,整体波动不大。
The overall discussion of the data and distribution of county-level land tax data shows little change in land use in Northern Shanxi Province during the Qing Dynasty , and land reclamation reached its peak in Qianlong Period and slightly decreased afterword with an overall stability .
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中古社会的经济基础主要指人口和土地垦殖、生产技术以及经济活动的总趋势[1],在此趋势下香槟市集得到高度发展,对此当时的政府功不可没。
The foundation of the ancient and medieval European society mainly refers to the general trend of population , land reclamation , production technologies , and economic activities . Under the trend , champagne fairs in medieval Europe were highly developed and the then governments greatly contributed to their success .
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水网平原地区人多地少,土地高度垦殖,地质条件差,地下水位高,传统处理垃圾给周围环境带来严重污染。
With the more population , less land , highly reclaiming and cultivating soil , poor geologic conditions and high underground water , the traditional waste treatment brought serious contamination to the surrounding area .
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基于GIS的黄土高原土地坡度构成及垦殖率地域分异研究
Land Gradient and Reclamation Ratio on Loess Plateau Based on GIS
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全县难以利用的土地面积大,垦殖率低。
The land difficult to use is large and the cultivation rate is low in the county .
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但是,由于人口的增加,土地利用结构与垦殖指数都不会有明显的变化,所以流域的产沙不可能有大幅度的减少。
But the land use structure and reclamation index will not vary obviously with an increase of population , therefore , the sediment load from the river basins will not decrease greatly .
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琅岐岛综合土地利用年变率为1.90%,土地垦殖率呈快速下降趋势,林地覆盖率和建设用地利用率呈增加趋势;
The annual change rate of comprehensive land use was190 % , the cultivation rate decreased rapidly , while the forest coverage and the construction land use rate increased .