The landscape pattern of the ecotone between agriculture and animal husbandry in Northeast China

This paper is a comprehensive account of the landscape pattern of the ecotone between agriculture and animal husbandry in Northeast China by using the ways of remote sensing(RS),geographic information system(GIS).The primary conclusions are as follows:(1)The patch types are made up of 2 high-level types,9 secondary types and 69 low-grade types.The similar degree of farmland landscape with regional landscape of is topmost and is primary landscapes.The mountain landscape is secondly.The two large landscapes form the framework of the ecotone between agriculture and animal husbandry in the Northeast China.The patch number and density of bottomland landscapes is the maximum.The area of fluvial landscapes is smaller,but the patch perimeter is biggish.(2)This region is an ecotone of agriculture,animal husbandry and woods,and the proportion is about 3∶2∶1.(3)In broad-scale,the landscape of mountains and upland form zonary pattern,and run through regional landscape from northeast to southwest,and east side there is continuous farmland landscape.(4)In fine scale,the distributing pattern of low-grade types is very different in each area.