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- W2353156767 abstract "Desertification is a serious environmental and economic problem which is now perplexing many countries and regions in the world. China is one of those countries suffering from the severe land desertification. This paper discusses the monitoring and assessing of sandy desertification in the North China and the applicable methods. Supported by a national research project, major sandy desertified regions, as many as more than 500 000 km 2 in the North China, had been monitored and assessed based on the multi temporal remotely sensed data and the monitoring and assessing methods. The results showed that there was an average sandy desertified land spread of 2 100 km 2 per year during the middle 1970s to the late 1980s, which mainly happened in the agropastoral area, desert steppe, margin of oases and lower reaches of continental river. The main cause was human negative activity, which totaled 94% of contribution. So only the positive reaction can deal with the sandy desertification." @default.
- W2353156767 created "2016-06-24" @default.
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- W2353156767 date "1999-01-01" @default.
- W2353156767 modified "2023-09-25" @default.
- W2353156767 title "METHODS FOR MONITORING AND ASSESSING SANDY DESERTIFICATION IN THE NORTH CHINA" @default.
- W2353156767 hasPublicationYear "1999" @default.
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