长株潭地区土地利用景观格局动态变化分析

Analysis of dynamic changes of land use and landscape pattern in Chang-Zhu-Tan Cities

在ARCGIS软件和景观指数统计学软件FRAGSTATS 3.3的支持下,以1986年、1995年和2002年三个时期的土地利用覆盖数据为基础数据来源,以景观生态学的原理和方法为基础,利用景观格局指标分析了长株潭地区的景观格局现状和存在的问题。研究结果表明:1986年到2002年间景观格局主要集中在水田、草地、林地、城镇用地、农村居民用地和未利用地等景观类型之间相互转换。从城镇用地、和农村居民用地的显著转化可以看出,近年来,长株潭地区的城镇化速度不断加快,建设用地和农村居民用地面积不断扩张,说明长株潭地区经济发展较快,但同时要注意增强长株潭地区的景观稳定性和抗干扰性能,促进当地经济、社会和生态的可持续发展。

With the help of ARCGIS and the spatial pattern analysis software FRAGSTATS of the raster version 3.3,the current landscape pattern and its problem of the Chang-Zhu-Tan Cities were analyzed based on the landscape indices by using the land cover classification data in 1986,1995 and 2002.Results showed that the landscape conversion types concentrated mainly in the paddy field,grassland,woodland,urban land,rural residential land and unused land from 1986 to 2002;the dramatic conversion of urban land and rural residential land in recent years,showed an accelerating pace of urbanization,and a rapidly expanding of construction land and rural residential land in Chang-Zhu-Tan Cities,to some extent;it also showed a rapid economic development.At the same time,the government should pay attention to enhancing the stability of landscape pattern in Chang-Zhu-Tan Cities,to promoting local economic,social and ecological sustainable development.