Analyzing of Inland Lake Basin Area in Arid Area Landscape Pattern Variations and Its Impact on The Ecological Environment

China's arid zone with a typical inland lake basin in Xinjiang Aibi Lake basin for the study area,its plain area of from 1990 to 2005 year which landscape pattern of dynamic variations characteristics were studied.Result showes the area of cultivated land,wetland and settlement increased,specially the area of cultivated land was obviously increased,but the area of forestland,grassland,sandland,gobi and salina were decreased,of this total,grassland,salina and forestland were obviously decreased.Trasfer rate of salina,forestland,grassland and gobi were upper,turn rate of cultivated land and settlement were upper.Landscape components in study area was no major changes,gobi was still the landscape matrix in study area.Landscape pattern variation influenced ecological environmental of region,it showed,increased cultivated land the number of patches and area increased use pressure of regional water,decreased forestland and grassland area increased danger of sand in plain area oasis,decreased sandland,gobi and salina area showed different variation characteristics in oasis,increased wetland patches area was be all the better for decreased Aibi lake valley against dust.