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1Integration of remote sensing and GIS technology to evaluate grassland ecosystem health in north China
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来源:IGARSS 2004: IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM PROCEEDINGS, VOLS 1-7: SCIENCE FOR SOCIETY: EXPLORING AND MANAGING A CHANGING PLANET
关键词: grassland ecosystem overgrazing unsuitable farming desertification
年份:2004
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