[1]杨阳,唐晓岚*,李哲惠,等. 长江流域土地利用景观格局时空演变及驱动因子——以2008-2018年为例[J].西北林学院学报,2021,36(2):220-230.[doi:10.3969/j.issn.1001-7461.2021.02.33]
　YANG Yang,TANG Xiao-lan*,LI Zhe-hui,et al. Spatial-temporal Evolution of Landscape Pattern of Land Use in the Yangtze River Basin and Analysis of Its Driving Factors——A Case Study from 2008 to 2018[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2021,36(2):220-230.[doi:10.3969/j.issn.1001-7461.2021.02.33]
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 长江流域土地利用景观格局时空演变及驱动因子——以2008-2018年为例()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第36卷
期数:
2021年第2期
页码:
220-230
栏目:
出版日期:
2021-03-31

文章信息/Info

Title:
 Spatial-temporal Evolution of Landscape Pattern of Land Use in the Yangtze River Basin and Analysis of Its Driving Factors——A Case Study from 2008 to 2018
文章编号:
1001-7461(2021)02-0220-11
作者:
 杨阳; 唐晓岚*; 李哲惠; 贾艳艳
 （南京林业大学 风景园林学院，江苏 南京 210037）
Author(s):
 YANG Yang; TANG Xiao-lan*; LI Zhe-hui; JIA Yan-yan
 (College of Landscape Architecture,Nanjing Forestry University,Nanjing 210037,Jiangsu,China)
关键词:
 ; 长江流域; 土地利用; 景观格局; 变化; 因子分析
Keywords:
 ; Yangtze river basin;  land use;  landscape pattern;  change;  factor analysis
分类号:
F301.24
DOI:
10.3969/j.issn.1001-7461.2021.02.33
文献标志码:
A
摘要:
 分析长江流域土地利用景观格局时空变化，为区域土地利用和生态环境保护提供依据。采用2008、2013、2018年3期Landsat 8 TM遥感影像资料为数据源，依托ENVI与Arcgis技术，对研究区土地利用和景观格局时空演变进行分析，并对产生变化的驱动因子做深入分析。结果表明：1）2008-2018年，长江流域（912 510 km2）林地、耕地与草地面积占据较大优势，2018年林地、耕地与草地面积分别为874 019 km2（49.08%）、428 188 km2（24.04%）、247 435 km2（13.89%）。研究期间，土地利用结构类型总体变化为“林地（0.133%）、草地（0.246%）、湿地（0.319%）、建设用地（5.591%）面积增加明显，耕地面积减少，未利用土地保持相对平稳”的特点。2）斑块类型分析表明，林地景观类型的破碎化程度降低；草地景观类型的破碎化程度增加；建设用地景观类型面积扩大，但在空间布局上更加集中。3）景观格局指数分析表明，人类活动与城镇化建设活动导致土地空间不断分散和破碎化，景观异质性增加。长江流域土地利用景观格局主要驱动因子分别为城镇建设与经济发展、城乡人口结构、工业污染物排放。基于上述分析，对研究区土地利用和生态环境保护提出长江中下游地区土地利用应减量优化与高效；上游、西北与西南等地推进草原景观生态环境保护；城镇化水平较高地区应加强工业用地的整治；科学规划长江流域土地空间布局，构建长江生态大廊道。
Abstract:
 The temporal and spatial changes of land use landscape pattern in the Yangtze River basin were analyzed to provide basis for regional land use and ecological environment protection.Using Landsat 8 TM remote sensing image data in 2008,2013,and 2018 as the sources,this paper analyzed the spatial and temporal evolution of land use and landscape pattern in the study area,and in-depth analysis was conducted on the driving factors of the changes with ENVI and GIS technologies.The results showed that 1) from 2008 to 2018,the area of forest land,cultivated land and grassland in the Yangtze River Basin (912 510 km2) occupied a greater advantage.In 2018,the areas of forest land,cultivated land and grassland were 874 019 km2 (49.08%),428 188 km2 (24.04%) and 247 435 km2,respectively (13.89%).During the study period,the overall changes in the land use structure type were that “the area of forest land （0.133%）,grassland （0.246%）,wetland （0.319%）,and construction land （5.591%） increased significantly,the area of cultivated land （-1.284%） decreased,and the unused land （-0.041%） remained relatively stable”.2) The analysis of patch type showed that the degree of fragmentation of the forest landscape type reduced; the degree of fragmentation of the grassland landscape type increased; the area of the landscape type of construction land expanded,but the spatial layout was more concentrated.3) The analysis of the landscape pattern index showed that human activities and urbanization construction activities led to the continuous dispersion and fragmentation of land space and increased landscape heterogeneity.Based on the principal component analysis,three main driving factors of land use landscape pattern change were extracted:urban construction and economic development,urban and rural population structure,and industrial pollutant emissions.Based on the above analysis,four policy recommendations were proposed for land use and ecological environment protection in the study area:to reduce and d optimize the land use wtih efficiency in the middle and lower reaches of the Yangtze River; to promote ecological protection of grassland landscapes in the upstream,northwest,and southwest regions; to strengthen the planning and improvement of industrial land in areas with high urbanization level; to scientifically plan the spatial distribution of land in the Yangtze River basin and to construct the ecological corridor of the Yangtze River.

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备注/Memo

备注/Memo:
 收稿日期：2020-05-24修回日期：2020-06-05
基金项目：国家自然科学基金(31270746)；江苏省普通高校学术学位研究生科研创新计划项目（SJKY19_0870）。
作者简介：杨阳，博士在读。研究方向：区域发展规划、风景园林规划设计。E-mail:ocean1999@yeah.net
*通信作者：唐晓岚，教授，博士生导师。研究方向：国家公园及自然保护地、风景园林规划设计。E-mail:39887917@ qq.com
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