摘要
土地利用变化图谱能够充分反映土地利用变化的时空过程,近年来引起了广泛的关注。本文分析了2000—2010年辽宁沿海地区土地利用变化的图谱特征。结果表明:2000—2005年土地利用变化图谱主要以耕地!建设用地和海域!湿地为主,分别占总变化面积的44.41%和18.16%;2005—2010年土地利用变化图谱主要以海域、湿地和耕地的转出为主,其中海域!湿地占总变化面积的23.43%,海域!裸地占22.69%,海域!建设用地占5.10%,湿地!建设用地占10.06%,耕地!建设用地占20.55%;2000—2010年土地利用变化模式图谱以后期变化型和前期变化型为主,分别占总变化面积的70.34%和29.17%,说明辽宁沿海地区土地利用变化具有明显的时间阶段性特征,前期变化体现了城镇化和海产养殖业的发展过程,后期变化体现了沿海开发和城镇化的进一步发展过程。
The geo-spectrum of land use change has drawn much attention in recent years due to its simultaneously reflecting both the spatial and temporal processes of land use change. In this paper, we analyzed the geo-spectrum characteristics of land use change from 2000 to 2010 in Liaoning coastal areas. The results showed that the main geo-spectrum types of land use change from 2000 to 2005 were cultivated land →construction land, followed by sea →wetland, accounting for 44.41% and 18.16% of the total area converted, respectively. The majority of geo-spectrum types of land use change from 2005 to 2010 were conversions from sea, wetland and cultivated land, among which sea→wetland accounted for 23.43% of the total area converted, sea →bare land 22.69%, sea→construction land 5.10%, wetland→construction land 10.06% and cultivated land →construction land 20.55%. The main geo-spectrum mode of land use change from 2000 to 2010 was former-change type as dominated by urban expansion and marine aquaculture from 2000 to 2005, followed by later-change type as dominated by further development and urban expansion from 2005 to 2010, accounting for 70.34% and 29.17% of the total area converted, respectively.
出处
《生态学杂志》
CAS
CSCD
北大核心
2015年第12期3459-3465,共7页
Chinese Journal of Ecology
基金
国家科技基础性工作专项(2013FY111100和2013FY111800)资助
关键词
辽宁沿海
土地利用
图谱
Liaoning coastal area
land use
geo-spectrum.
