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Analysis of Dynamic Change of Land Use at the Lower Reaches of Tarim River

Jian Liu

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Abstract

Using GIS, TM images(dated during 1980-1990) are interpreted, the present situation and dynamic change of land use in the typical ecological investigation areas are analyzed at the lower reaches of Tarim river, The effects of land exploition at the lower reaches of Tarim river are compared and analyzed. It shows that the increasement of cultivated land and living space stem from reclaiming grassland and occupying desert diversiform-leaved poplar forest. The common effect, salinization desertification and secondary soil salinization controls the whole tendency of steady deterioration

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What this paper is about

Using GIS, TM images(dated during 1980-1990) are interpreted, the present situation and dynamic change of land use in the typical ecological investigation areas are analyzed at the lower reaches of Tarim river, The effects of land exploition at the lower reaches of Tarim river are compared and analyzed. It shows that the increasement of cultivated land and living space stem from reclaiming grassland and occupying desert diversiform-leaved poplar forest. The common effect, salinization desertification and secondary soil salinization controls the whole tendency of steady deterioration

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Available abstract

Using GIS, TM images(dated during 1980-1990) are interpreted, the present situation and dynamic change of land use in the typical ecological investigation areas are analyzed at the lower reaches of Tarim river, The effects of land exploition at the lower reaches of Tarim river are compared and analyzed. It shows that the increasement of cultivated land and living space stem from reclaiming grassland and occupying desert diversiform-leaved poplar forest. The common effect, salinization desertification and secondary soil salinization controls the whole tendency of steady deterioration

Key concepts: Tarim river, Desertification, Grassland, Tarim basin, Soil salinity, Hydrology (agriculture), Cultivated land, Environmental science

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