| 生态经济思想与我国干旱半干旱地区的开发和建设 |
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| 引用本文： | 石山.生态经济思想与我国干旱半干旱地区的开发和建设[J].生态学杂志,1990,9(3):4-8. |
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| 作者姓名： | 石山 |
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| 摘 要： | 一、一个广袤而重要的地区比较一致的看法,年降水量400mm 等值线是我国湿润地区与干旱地区的分界线。这条线东自大兴安岭起,向南偏西经坝上草原,过陕北到兰州,再到拉萨。这条线以北以西地区都属于干旱半干旱地区。在干旱与半干旱地区之间,也有一条分界线,大致是东起二连浩特,
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| 关 键 词： | 干旱 半干旱区 农业生态 |
Ecolomic Thought and the Exploitation and Construction of Arid and Semi-arid Regions in China. |
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| Shi Shan.Ecolomic Thought and the Exploitation and Construction of Arid and Semi-arid Regions in China.[J].Chinese Journal of Ecology,1990,9(3):4-8. |
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| Authors: | Shi Shan |
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| Institution: | Ecolomic Society of China |
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| Abstract: | Based on the analysis of existing problems in arid and semi-arid regions,this paper putsforward the strategies using ecolomic thought to the exploitation and construction of aridand semi-arid regions. |
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| Keywords: | arid and semi-arid region ecolomic thought ceology |
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