This paper analyses the change of land use/cover in Wan Zhou country of Chong Qing between 10 years based on RS and GIS using object-oriented method.Two sets of satellite imagery data of 1992 and 2002

some other GIS data and subject map of this area are used in the research.The conclusions: all the land-use types were decreased more or less except cultivated land and grassland;The construction area was increased by 1372.7 hm

2

mainly derived from the farmlands

which is 26.26% changing among the total area;land use degree index of grassland is as high as 5.58%;Through the analyses using landscape pattern method

we found that the landscape’s heterogeneity degree is rising

the types of land is becoming diversification

dominance decreases in this area

the change of the landscape pattern in this area was very great for 10 years.