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[1]BO Guangtao,NIU Zhijun,GUO Yiqiang,et al.Effect of Terrain Gradient on Land Use Change in Basin of Mountains Typical District in Northwestern Hebei—A Case Study in Huailai County[J].Research of Soil and Water Conservation,2017,24(01):226-231.

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Effect of Terrain Gradient on Land Use Change in Basin of Mountains Typical District in Northwestern Hebei—A Case Study in Huailai County

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 24 Number of periods: 2017 01 Page number: 226-231 Column: Public date: 2017-02-28

Title:: Effect of Terrain Gradient on Land Use Change in Basin of Mountains Typical District in Northwestern Hebei—A Case Study in Huailai County

Author(s):: BO Guangtao¹, NIU Zhijun², GUO Yiqiang^3,4, WANG Xiaoqing²; 1. Bureau of Land and Resources of Julu County, Julu, Hebei 055250, China;
2. College of Resources and Environmental Science, Hebei Agricultural University, Baoding, Hebei 071000, China;
3. Land Consolidation and Rehabilitation Center, Ministry of Land and Resources, Beijing 100035, China;
4. Key Laboratory of Land Consolidation and Rehabilitation, Ministry of Land and Resources, Beijing 100035, China

Keywords:: land use; terrain niche; distribution index; atlas information; Huailai County

CLC:: F301.24

DOI:: -

Abstract:: In order to explore the characteristics of changes in the land use of different terrains and explore the role of natural and human factors in the process of land use in different gradients, we took Huailai County in the basin of Northwest Hebei mountains as the research area, selected Landsat-TM/ETM image and DEM data in 1987, 2005 and 2013 as data source, used the geo mapping analytical method to examine the characteristics of changes in the land use in different periods, revealed the causes and mechanism of the changes in the land use, and explored the distribution and characteristics of land use in different terrain gradients by combining the slope and elevation data to determine the index of the regional terrain, also combining with the land use map information. The results show that: (1) the types of land use in the study area did not change greatly in the last 20 years, the structure of land use still mainly focuses on cultivated land, gardens, woodland and unused land; (2) in the recent 20 years, the number of plaques in the study area was rising in general and the number of average patch area continued to decline, the broken rate was rising gradually, there are obvious differences of the changes among different kinds of land; (3) the change of land use in the study area is mainly dominated by the stable map and later changing pattern, the stable change type mainly refers to forest—forest—forest, there is great relationship with the distribution of the forest area, the later type is cultivated land—cultivated land—garden, it’s mainly due to good profit, therefore, the land use pattern changes from farmland into the garden; (4) the change of land use showed a strong regularity in different terrain gradients, the early change type and the late change are common in the low topographic gradient, ‘forest—forest—land’ is main pattern of the stable map in the middle and low topographic gradient, the ‘waters—other land—waters’ is of the significant advantages in the topographic gradient. Along with increasing elevation, and affected by the anthropogenic and natural factors, only distribution indexes of changing type in the early period and the type of repeated changes are higher. The types of land use only change between woodland other lands. These results can provide the basis and guidance for the rational utilization and scientific planning of land resources in Huailai County in the future.

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