investigation on poplar cultivated area change by aerial photographs and land control
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منابع مشابه
Analyses on Regional Cultivated Land Change based on Quantitative Method
Three Gorges Project is the great project in the world, which accelerates economic development in the reservoir area of Three Gorges Project. In the process of development in the reservoir area of Three Gorges Project, cultivated land has become the important resources, a lot of cultivated land has been occupied and become the constructing land. In the same time, a lot of cultivated land has be...
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In the process of analyzing aerial photographs to obtain information on the engineering characteristics of soils, the first and perhaps the most important step is to identify the landform. The landform may consist of hills, valleys, plains, terraces, beaches, dunes, and other topo graphic features largely created by the forces of erosion. The im portance of the landform lies in its relation t...
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تحقیقات جنگل و صنوبر ایرانجلد ۳، شماره ۱، صفحات ۱۰۸-۸۹
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