基于3s技术的锡林浩特市草地动态监测分析word格式论文.docxVIP

目录1前言................................................................11.1草地植被遥感监测研究目的及意义..................................11.2研究进展........................................................21.2.1草地植被遥感监测研究进展......................................21.2.2群落多样性研究进展............................................31.2.3草地分类研究进展..............................................41.2.4草地退化研究进展..............................................52研究区概况..........................................................62.1地理区位........................................................62.2地貌及土壤......................................................62.3气候............................................................62.4植被............................................................63研究内容及研究方法..................................................73.1研究内容........................................................73.2研究方法........................................................73.2.1野外样地调查..................................................73.2.2草地分类系统的确立............................................93.2.3群落多样性....................................................93.2.4草地三化....................................................103.2.5遥感监测原理和数据处理.......................................103.2.6遥感解译标志.................................................133.2.7数据处理与统计分析...........................................164研究结果...........................................................174.1锡林浩特市草地类型.............................................174.2草地类型特征及面积变化动态.....................................194.2.1温性草甸草原类...............................................194.2.2温性草原类...................................................194.2.3低地草甸类...................................................204.2.4各草地类型面积动态...........................................204.3锡林浩特草地群落多样性分析.....................................224.3.1丰富度指数...................................................234.3.2多样性指数...................................................234.3.3优势度指数.......................