基于景观格局分析的局地土地利用突变情景识别——以重庆市沙坪坝区为例
摘要
以重庆市沙坪坝区为研究区,采用土地利用现状数据库,运用GIS的空间分析功能,从景观组分贡献率入手,剖析景观组分对局地景观格局变化的贡献程度,实现对土地利用突变情景识别,其结果表明:农业景观与城市等人为景观竞相作用、农业比较效益差异与农业市场竞争、农户宜人和宜居的生存空间土地利用意识逐步成熟是导致研究区土地利用突变最主要的驱动力.
Landscape pattern changes reflect not only the interaction among human's land-use consciousness,natural and social conditions and land use policy,but also the contribution rates of different landscape elements.Taking Shapingba District in Chongqing as an example,adopting land-use situation data and using the spatial analysis function of GIS,this paper calculates the landscape pattern metrics and landscape contribution rates,analyzes the contribution degree of landscape elements for landscape pattern change and identifies the driving forces of land-use mutation.The results indicate that the driving forces,resulting in land-use mutation,are interaction between agricultural landscape and artificial landscape,difference in comparative profits and market challenge of agriculture and farmers' living space consciousness of amenity and livable settlement.
Landscape pattern changes reflect not only the interaction among human's land-use consciousness,natural and social conditions and land use policy,but also the contribution rates of different landscape elements.Taking Shapingba District in Chongqing as an example,adopting land-use situation data and using the spatial analysis function of GIS,this paper calculates the landscape pattern metrics and landscape contribution rates,analyzes the contribution degree of landscape elements for landscape pattern change and identifies the driving forces of land-use mutation.The results indicate that the driving forces,resulting in land-use mutation,are interaction between agricultural landscape and artificial landscape,difference in comparative profits and market challenge of agriculture and farmers' living space consciousness of amenity and livable settlement.
引文
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[3]喻锋,李晓兵,王宏,等.皇甫川流域土地利用变化与生态安全评价[J].地理学报,2006,61(6):645-653.
[4]李家洋,陈泮勤,葛全胜,等.全球变化与人类活动的相互作用[J].地球科学进展,2005,20(4):371-377.
[5]王成,魏朝富,李阳兵,等.局地土地利用变化现实情景研究[J].地理科学进展,2006,25(6):76-86.
[6]蔡运龙.土地利用/土地覆被变化研究:寻求新的综合途径[J].地理研究,2001,20(6):645-652.
[7]彭少麟.全球变化现象及其效应[J].生态科学,1997,16(2):1-8.
[8]周广胜,许振柱,王玉辉.全球变化的生态系统适应性[J].地球科学进展,2004,19(4):642-649.
[9]陈利顶,傅伯杰.黄河三角洲地区人类活动对景观结构的影响分析——以山东省东营市为例[J].生态学报,1996,16(4):337-344.
[10]ANTROP M.Why Landscapes of the Past are I mportant for the Future[J].Landscape and Urban Planning,2005(70):21-34.
[11]ZHOU Zai-zhi.Landscape Changes in a Rural Areain China[J].Landscape and Urban Planning,2000,47(1):33-38.
[12]LONG Hua-lou,HEILIG G K,LI Xiu-bin,et al.Socio-Economic Development and Land-Use Change:Analysis of RuralHousing Land Transitionin the Transect of the Yangtze River,China[J].Land Use policy,2007(24):141-153.
[13]吴波,慈龙骏.毛乌素沙地景观格局变化研究[J].生态学报,2001,21(2):191-196.
[14]郭丽英,刘彦随,刘志远.生态脆弱区土地利用格局变化及其驱动机制分析[J].资源科学,2005,27(2):128-133.
[15]FU Bo-jie,ZHANG Qiu-ju,CHEN Li-ding,et al.Temporal Change in Land Use and Its Relationship to Slope Degreeand Soil Type in a Small Catchment on the Loess Plateau of China[J].Catena,2006(65):41-48.
[16]WRBKA T,ERB K H,SCHULZ N B,et al.Linking Pattern and Process in Cultural Landscape.An Empirical StudyBased on Spatially Explicit Indicators[J].Land Use Policy,2004(21):289-306.
[17]王成,魏朝富,袁敏,等.不同地貌类型下景观格局对土地利用方式的响应[J].农业工程学报,2007,23(9):64-71.
[18]汪小平,周宝同,王小玉,等.重庆市土地利用变化及其生态系统服务价值响应[J].西南师范大学学报:自然科学版,2009,34(5):225-229.
[19]王小玉,张安明,邹小红,等.重庆市土地利用变化及其驱动机制研究[J].西南大学学报:自然科学版,2009,31(2):146-151.
[20]宋开山,刘殿伟,王宗明,等.1954年以来三江平原土地利用变化及驱动力[J].地理学报,2008,63(1):93-104.
[21]郝仕龙,曹边海,李壁成.小尺度土地利用/覆被变化驱动力研究[J].水土保持研究,2007,14(2):228-230.
[22]王兮之,郑影华,李森.海南岛西部土地利用变化及其景观格局动态分析[J].中国沙漠,2006,26(3):409-414.
[23]邬建国.景观生态学——景观、过程、尺度与等级[M].北京:高等教育出版社,2000.
[24]曾辉,孔宁宁,李书娟.卧龙自然保护区人为活动对景观结构的影响[J].生态学报,2001,21(12):1994-2001.
目录