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基于“3S”技术的甘肃省甘州区草地资源调查与评价

Chinese Journal of Agricultural Resources and Regional Planning(2008)

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Abstract
以陆地卫星的TM影像为数据源,充分利用遥感信息(RS)、地理信息系统(GIS)和全球定位系统(GPS)的一体化集成技术,结合典型区调查和路线调查资料,进行了以荒漠草地为主的甘州区天然草原草地类型划分、植被指数提取、草地产草量估产模型构建及生产力评价。将甘州区天然草地划分为5个草地类(8个亚类)、10个草地组、11个草地型,确定了甘州区天然草地面积和理论载畜量,并对其生产力及利用现状进行了评价,为甘州区草地资源的合理规划、保护、建设和利用提供了依据。
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Key words
investigation of pasture resources,productivity evaluation,Ganzhou District,"3S"technology
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