江苏海岸带土地利用变化及驱动力分析  

LAND USE CHANGE AND ANALYSIS ON THE DRIVING FORCES IN THE COASTAL ZONE OF JIANGSU

作　　者：王玉[1] 贾晓波[1] 张文广[1] 方淑波[1] 姚懿函[1] 安树青[1] 

机构地区：[1]南京大学生命科学学院湿地生态研究所,江苏南京210093

出　　处：《长江流域资源与环境》2010年第S1期7-12,共6页Resources and Environment in the Yangtze Basin

基　　金：教育部高等学校博士点基金(20070284022);国家林业局公益项目(200804005)

摘　　要：通过对江苏海岸带近13a的土地利用变化和社会经济分析,得出:连云港海岸带以耕地、其他建设用地和农村居民点为主,占81%,海岸带开发程度高;斑块个数增加,景观破碎化增大。盐城以耕地、草地和其他建设用地为主,占77.45%,开发程度中等;耕地、水库坑塘等人工景观面积增大,适宜生物多样性保护的生境面积减少。南通海岸带以耕地和滩涂为主,占88.93%,但两者的面积都在下降;人工景观面积增加。人口增长的压力、政府政策的导向与社会经济的驱动是江苏沿海三市海岸带景观格局变化的主要驱动力。连云港海岸带人口密度增加了13.8%,第二产业产值增加了7.7倍,人类活动的干扰使海岸带破碎明显;盐城海岸带人均GDP增加了4倍,经济利益的驱使,使盐城丧失大面积的草地,海岸湿地遭到破坏;南通海岸带人口密度减小了2.0%,人均GDP增加了5.3倍,第三产业的发展对海岸带干扰较小,海岸带景观破碎度较低。This paper studied the changes of land use and analyzed the economic data in the coastal zone of Jiangsu Prorince in the past 13years.The results showed that the coastal zone of Lianyungang was mainly constructed with farmland,other built-up area and rural residential area,which accounted for 81%,and had a high development degree.The number of patches increased year by year,and landscape fragmentation augmented.The coastal zone of Yancheng was principally composed of farmland,grassland and other builtup area,which occupied 77.45%,and had a moderate development degree.The habitats which were suitable for biodiversity conservation are reducing,with the area of artificial landscape increasing,such as farmland and reservoir and pond.The coastal zone of Nantong was consisted of farmland and tidal flat,which occupied 88.93%and having area reduction,and the area of artificial landscape increased.The pressure of population growth,the orientation of government policy and the drive of social economy are the main driving forces on the landscape pattern change in the coastal zone of three coastal cities of Jiangsu.In the coastal zone of Lianyungang population density increased by 13.8%,secondary industry output value increased by 7.7times.And the coastal zone had significant fragmentation due to the disturbance of human activities.Per capita GDP in the coastal zone of Yancheng increased by 4times.Driven by economic interests,Yancheng lost large areas of grassland.And the coastal zone suffered further destruction.In the coastal zone of Nantong population density decreased by 2.0%,and per capita GDP increased by 5.3times.The main development of tertiary industry had less interference on the coastal zone,so there was a relatively low degree of landscape fragmentation to the zone.

关 键 词：土地利用 驱动力 海岸带 

分 类 号：F301.24[经济管理—产业经济]