Analysis on the Landscape Pattern of Land Use and Its Stability in Pingdingshan City

Based on remote sensing and GIS technology,combined with landscape pattern analysis methods,using remote sensing image,topographic maps,land-use maps and field survey data,the land-use landscape pattern of Pingdingshan city and its stability were analyzed by quantitative indicators.The results show that: The proportions of six landscape types from high to low were arable land,construction land,orchard and vegetable land,forest and grassland,water area and other industrial and mining land respectively.It formed the overall landscape features of which the urban construction land dominates the landscape of central city,the arable land and orchard and vegetable land dominate the landscape of suburbs.There existed certain differences in size,shape and degree of fragmentation between six landscape types,in which orchard and vegetable land and arable land have greater influences of fragmentation and edge effects.The overall landscape pattern was in moderate level of stable.