CAJ | 학술논문

采用遥感技术对打狗河流域1999-2009年期间的植被覆盖及变化进行提取，完成了区域内耕地、石漠、火烧迹地、荒草地、灌草、灌丛、密灌及林地等7种类型土地的相互转化分析。重新定义了石漠化及绿化，并根据植被退化程度将全区石漠化分为轻度、中度和重度；将全区植被恢复程度分为轻度、中度和深度。基于遥感技术提取的7种地物类型数据的分析，全区石漠化有轻度加剧的迹象，石漠化比例略高于绿化比例。10年间石漠化和绿化相互转化的面积基本相当，分别占全区面积的30.83％和30.55％；其中中度和轻度石漠化面积分别约占8.60％和30.83％，均略大于中度和轻度绿化的6.85％和30.55％。
채용요감기술대타구하류역1999-2009년기간적식피복개급변화진행제취，완성료구역내경지、석막、화소적지、황초지、관초、관총、밀관급임지등7충류형토지적상호전화분석。중신정의료석막화급녹화，병근거식피퇴화정도장전구석막화분위경도、중도화중도；장전구식피회복정도분위경도、중도화심도。기우요감기술제취적7충지물류형수거적분석，전구석막화유경도가극적적상，석막화비례략고우녹화비례。10년간석막화화녹화상호전화적면적기본상당，분별점전구면적적30.83％화30.55％；기중중도화경도석막화면적분별약점8.60％화30.83％，균략대우중도화경도녹화적6.85％화30.55％。
After extraction of the vegetation cover and the change in Dagou River Basin during 1999-2009 ac-cording to the remote sensing technology , the conversion analysis of the 7 types of vegetation is completed inclu-ding cultivated land, hamada, burns, weeds, bringing, thickets, dense thickets and forest land.By redefini-tions of the rocky desertification and greening , the whole area was divided into mid , moderate and severe de-grees.The analysis of 7 types of vegetation suggests that the desertification rate is slightly higher than greening . In 10 years of mutual transformation , rocky desertification and greening area are 30.83% and 30.55%. The moderate and slight rocky desertification areas account to about 8.60% and 30.83%, slightly larger than the moderate and greening of 6.85% and 30.55%.