简介：ThewestsandylandoftheNortheastChinaPlainislocatedintheeasternhugesandybeltofmid-latitudeinEurasiaandtheeasternfringeofdesertifiedlandwithbestbio-climaticconditionsinChina.Withrapideconomicdevelopment,thedeteriorationofeco-environmenthasoccurredandthedesertificationbecomesveryobvious.Thefirstpartofthispaperstudiestheregionaldifferencesoflandscapepatternsandexplorestheregionaldifferencesofdesertification.Thesecondpartaimstorevealthedynamicsofdesertificationinthe1990sbyusingNOAA/AVHRRdataandthematicdatainGISdatabase.Thisworklaysascientificbasisfortherehabilitationanddevelopmentofthesandylands.
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