结果表明:近10年来青海省耕地面积总体呈下降趋势,且人均耕地资源也呈下降趋势。
The results show that: during the past 10 years, the areas of arable land in Qinghai Province were declining generally, and so was the cultivated land resources per capita.
我国人口众多,人均占有耕地数量低,且后备资源缺乏。
Our country population is numerous, per capita has farmland amount low, and mothball resource lack.
由于人口众多,土地资源稀缺,中国的人均耕地面积只有全球平均水平的一半。
Due to its large population and land scarcity, the amount of arable land on a per capita basis in China is only half the global average.
文章分别从人均耕地阈值、绝对承载力与相对承载容量三个不同角度来探讨分析了山西省土地资源人口承载力的动态变化特征。
The paper discusses the dynamic characteristic of population supporting capacity of land from three aspects; the threshold area per capita, the absolute supporting capacity and the relat.
文章分别从人均耕地阈值、绝对承载力与相对承载容量三个不同角度来探讨分析了山西省土地资源人口承载力的动态变化特征。
The paper discusses the dynamic characteristic of population supporting capacity of land from three aspects; the threshold area per capita, the absolute supporting capacity and the relat.
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