中文摘要：

利用2007年LandsatTM遥感影像解译得到丹江口水库河南汇水区的土地利用数据,使用ArcGIS软件绘制研究区土地利用类型图,并借助景观分析软件Fragstas 3.3,从景观类型水平和景观水平两个层面,选取斑块面积、景观百分比、斑块密度、景观形状指数、分维数、多样性指数、均匀度指数等景观格局指数,分析丹江口水库河南汇水区的土地利用景观格局特征.结果表明,研究区主要土地利用类型为林地、耕地和裸岩,分别占研究区国土面积的57%,19%和15%.阔叶林景观百分比（41%）最大,是研究区的基质,其连结性、完整性最好,灌木林斑块密度（0.23）和景观形状指数（53.04）最大,破碎化程度最高.此外,旱地也表现出很高的破碎性（LSI=51.97）.研究区内景观类型丰富,分布均匀,斑块连结性高,景观斑块集中,但由于受森林砍伐与垦殖等人类活动的影响,景观分布存在一定的分散性,不利于水源地的环境保护.亟待建立协调区域经济的生态补偿机制,减少生态环境的人为破坏,促进生态自我修复.

英文摘要：

Based on the land-use date interpreted from LandsatTM image of 2007 and land-use map obtained by using ArcGIS software,with the aid of Fragstas 3.3,the landscape spatial pattern of land-use in Danjiangkou catchment of Henan province was studied at aspects of landscape pattern and landscape level.Landscape indices such as patch area,percentage of landscape,patch density,landscape shape,fractal dimension,landscape diversity and evenness were selected to acquire more landscape information.Results showed that major land-use types in the study area were forest land,farmland and bare rock,with a 57%,19% and 15% of the total land area,respectively.Broadleaf was concluded as the matrix of the study area with the highest landscape percentage（41%）,and its connectivity and integrality were best.The patch density（0.23） and landscape shape index（LSI,53.04） of shrub were biggest,suggesting a high degree of fragmentation.Likewise,the high landscape fragmentation occurred in arid farmland（LSI,51.97）.The landscape types in the study area were rich and the landscape diversity was high.Howerve,a fragmentation of landscape was found in the watershed due to the disturbance of human activity such as forest cutting and intensive reclamation.Therefore it will be detrimental to environment protection of the water head site.Ecological compensation mechanisms of regional economic should be established as early to weaken ecological destruction by human activity and promote self-healing of local ecology.