摘要
研究目的：对森林草原区1988—2009年的土地利用现状、变化及驱动凶子进行分析。研究方法：采用常规统计分析方法，依据呼伦贝尔地区土地利用现状调查及年度变更调查成果数据，分年度和林牧农土地利用类型区域进行分析。研究结果：近22年来呼伦贝尔地区土地利用现状具有渐进加跳跃式变化特征，耕地面积增加101．75万hm2,林地面积增加153．89万hm2，居民点及工矿用地面积增加9．80万hm2，牧草地面积减少233．82万hm2，水域及未利用地面积减少39．06万hm2。研究结论：近22年来伴随农业开发、“拱地头”、“扩地边”，以及育林地保护和造林活动的耕地和林地扩张及建设用地占用，呼伦贝尔草地转变为耕地林地和建设用地的总体趋势显著。呼伦贝尔地区自然生态多样性丰富，草原、湿地和森林生态保护形势严峻。
The purpose of this study is to analyze the current status, changes and driving forces of the land use in the forestry and grassland region in Hulunbuir city of Inner Mongolia between 1988 and 2009. Statistical methods were used in the analysis. It found that the cultivated land, forestry land and construction land had increased by 2.65 million hm2, and grassland had decreased by 2.34 million hmz from 1988 to 2009. Grassland had been largely convened to cultivated land and forest land. The changes showed the obvious feature of leapfrog and spillover effects. The paper concluded that the grassland was convened to cultivated land, forest and construction land in large scale in the recent 22 years, which further resulted in that the grassland ecosystem had been destructed periodically due to the agrarian development, afforestation and urbanization.
出处
《中国土地科学》
CSSCI
北大核心
2011年第11期43-48,共6页
China Land Science
基金
国家自然科学基金项目(40961010)
国家社会科学基金项目(06AMZ002)
呼伦贝尔市民生科技发展行动项目(20090512)
关键词
土地利用
宏观管理
耕地保护
森林保护
草原保护
生态保护
沙漠化
全球变暖
land use
macro management
cultivated land protection
forest protection
grassland protection
ecologicalprotection
desertification
global warming
