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[1]HUA Dongwen,WEN Zhongming,YANG Shisuo,et al.Analysis on the Change of Land-Use Landscape Pattern of the Hill and Gully Region of the Loess Plateau —A Case Study of the Yanhe River Basin[J].Research of Soil and Water Conservation,2015,22(05):86-91.

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Analysis on the Change of Land-Use Landscape Pattern of the Hill and Gully Region of the Loess Plateau —A Case Study of the Yanhe River Basin

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 22 Number of periods: 2015 05 Page number: 86-91 Column: Public date: 2015-10-28

Title:: Analysis on the Change of Land-Use Landscape Pattern of the Hill and Gully Region of the Loess Plateau —A Case Study of the Yanhe River Basin

Author(s):: HUA Dongwen^1,2, WEN Zhongming^1,3, YANG Shisuo³, MIAO Lianpeng⁴; 1. Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources, Yangling, Shaanxi 712100, China;
2. University of Chinese Academy of Sciences, Beijing 100049, China;
3. Institute of Soil and Water Conservation, Northwest A & F University, Yangling, Shaanxi 712100, China;
4. College of Natural Resources and Environment, Northwest A & F University, Yangling, Shaanxi 712100, China

Keywords:: landscape pattern; land use; landscape index; Yanhe River basin; hill and gully region of the Loess Plateau

CLC:: F301

DOI:: -

Abstract:: In order to provide the basis for the rational utilization of land resources and the improvement of ecological environment of the hill and gully region of the Loess Plateau, Yanhe River Basin was investigated in this paper. Using GIS technology and landscape index analysis method, the dynamic change of land-use landscape structure characteristics, patch characteristics and spatial pattern of study area from 1978 to 2010 were systematically analyzed. Results showed that: (1) the change rate of landscape types of Yanhe River basin followed the sequence of cultivated land > forest land > grass land > construction land > water body. Grass land changed with the fastest rate from 1978 to 1990, and forest land changed with the fastest rate from 1990 to 2000, and construction land changed with the fastest rate from 2000 to 2010. The landscape structure dominated by cultivated land changed into the structure dominated by forest land and grass land; (2) affected by the topographical and geomorphic factor, the fragmentation of grass land and cultivated land was higher than other landscape types and their patch shapes were more complex. The patch distribution of forestland, construction land and water body tended to be concentrated and their patch shapes and fragmentation were relatively simple and low because of the heavy interference of human activities; (3) for the past 32 years, the land-use landscape pattern of Yanhe River basin had experienced a dynamic process, and it turned from the pattern dominated by cultivated land to the relative balance pattern and then to the pattern dominated by forestland and grass land. Landscape pattern developed towards the centralized and simplistic direction and their anti-interference ability became lower. It was harmful for the landscape stability, but was conducive to the improvement of ecological environment.

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