1. 呼和浩特市环境科学研究所,内蒙古,呼和浩特,010000
2. 内蒙古农业大学 水利与土木建筑工程学院,内蒙古,呼和浩特,010018
纸质出版:2018
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张涛, 张颖, 杨力鹏, 等. 内蒙古自治区呼和浩特市1990-2010年景观格局变化及其驱动力[J]. 水土保持通报, 2018,38(2):217-222.
ZHANG Tao, ZHANG Ying, YANG Lipeng, et al. Dynamics and Driving Forces of Landscape Patterns in Huhhot City of Inner Mongolia Autonomous Region From 1990 to 2010[J]. Bulletin of Soiland Water Conservation, 2018, 38(2): 217-222.
张涛, 张颖, 杨力鹏, 等. 内蒙古自治区呼和浩特市1990-2010年景观格局变化及其驱动力[J]. 水土保持通报, 2018,38(2):217-222. DOI: 10.13961/j.cnki.stbctb.20180125.002.
ZHANG Tao, ZHANG Ying, YANG Lipeng, et al. Dynamics and Driving Forces of Landscape Patterns in Huhhot City of Inner Mongolia Autonomous Region From 1990 to 2010[J]. Bulletin of Soiland Water Conservation, 2018, 38(2): 217-222. DOI: 10.13961/j.cnki.stbctb.20180125.002.
[目的]探究内蒙古自治区呼和浩特市景观格局的变化与驱动因素,以期为研究区经济社会可持续发展和区域水资源可持续利用提供理论支撑。[方法]利用1990,2000和2010年的3期土地利用类型遥感影像,运用ArcGIS及Fragstats景观分析软件,并结合景观生态学的分析方法,对内蒙古自治区呼和浩特市1990-2010年土地利用/覆被和景观格局变化进行分析。[结果]①研究区近20 a土地利用类型变化明显。耕地和林地面积增加,草地面积减少,而水体面积总体保持一致,但呈现先减少后增加的变化过程。②景观结构多样性增加,类型斑块数增加,破碎化程度加剧。③研究区土地利用/覆被和景观格局变化是人为因素和气候因素共同作用的结果,第1主成分和第2主成分为人为因素,第3主成分是自然因素。3个主成分对研究区土地利用和景观格局变化贡献率分别为51.34%,23.49%,10.90%。[结论]研究区土地利用和景观格局变化主要是人为活动中的耕地面积、人口数量、GDP、一产产值和气候因素中的降雨因素所致;自然因素贡献不大,人为因素中政策因素影响更加直接。
[Objective] To explore the change and the driving factors of landscape pattern in Hohhot City of Inner Mongolia Autonomous Region in order to provide theoretical support for the sustainable development of economy and society and the sustainable utilization of regional water resources in the study area.[Methods] In support of ArcGIS and Fragstats
this paper studied the land use/cover change and landscape pattern in a watershed of semi-arid region
Huhhot City in the past 20 years(1990-2010)
based on three issues of remote images in 1990
2000 and 2010.[Results] ① Land use types changed obviously in the past 20 years in the study area. The areas of cultivated land and forest land increased; and the area of grassland decreased; while the water area remained the same
although it experienced a process of changing from decreased to increased. ② The diversity of landscape structure
the number of type patches
and the degree of fragmentation all increased. ③ The changes of land use/cover and landscape pattern in the study area were the result of the interaction of human factors and climatic factors. The first and the second principal component were human factors
and the third principal component is the natural factor. The contributions of the 3 principal components to land use & landscape pattern were 51.34%
23.49% and 10.90% respectively.[Conclusion] Human factors
policy factors had their direct impact effect. Land use/landscape pattern change was mainly caused by the factors of human activities and climate change
such as the cultivated land area
population
GDP
the primary industry production value
and the rainfall. The contribution of climate factor was not as large as the one of human influence
especially for policy factor
its effect is direct and large.
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