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中国沙漠化
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中国沙漠化
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中国沙漠化
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sandy desertification in China
中国沙漠化
中国干旱、半干旱地区和部分半湿润地区在干旱多风和疏松沙质地表条件下,由于人为过度利用土地等因素破坏了脆弱的生态平衡,使原非沙漠地区出现了以风沙活动(风蚀、粗化、沙丘形成与发育等)为主要标志的土地退化过程。
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forest tourism
forest tourism market
forest tourism products
forest tourism resources
forest tourist
Forest Tree Breeding
forest tree breeding
forest tree breeding methods
Forest Tree Genetics and Breeding
Forest Tree Genetics and Breeding Branch of Chinese Forestry Society
forest tree genomics
forest tree metabolomics
forest tree molecular breeding
forest tree molecular genetics
forest tree molecular pyramiding breeding
forest tree population genetics
forest tree proteomics
forest tree quantitative genetics
forest tree seed testing
forest vegetation
forest vegetation index
forest vegetation recovery fee
forest virtual reality
forest visual interpretation of remote sensing imagery
forest washing
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