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[1]JIA Qijian,HE Ling.Arable Land Suitability and Ecological Risk Evaluation for Unutilized Land Resources in Huailai County, Hebei Province[J].Research of Soil and Water Conservation,2017,24(04):83-88.

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Arable Land Suitability and Ecological Risk Evaluation for Unutilized Land Resources in Huailai County, Hebei Province

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 24 Number of periods: 2017 04 Page number: 83-88 Column: Public date: 2017-08-28

Title:: Arable Land Suitability and Ecological Risk Evaluation for Unutilized Land Resources in Huailai County, Hebei Province

Author(s):: JIA Qijian¹, HE Ling^2,3; 1. College of Rural Development, Agricultural University of Hebei, Baoding, Hebei 071000, China;
2. College of Land Resources, Agricultural University of Hebei, Baoding, Hebei 071000, China;
3. Cangzhou Field Research Station of Hebei Land Use of Circum Bohai Sea, Ministry of Land and Resources, Cangzhou, Hebei 061000, China

Keywords:: unutilized land; suitability evaluation; ecological risk evaluation; Huailai County

CLC:: F301.2;X171.1

DOI:: -

Abstract:: As an important reserve cultivated land resources, study of unutilized land’s development suitability and ecological risk is an important measure to realize sustainable land use, and developing unutilized land is an important action to achieve food security, economic development and ecological civilization. We take Huailai County as a case to study the evaluation on suitability and ecological risk of unutilized land, and then solve the problems of development sequences. The results show that: (1) the arable exploitation suitability of other grassland includes three grades, the most suitability grade is in center of Huailai County and reduces gradually to the north and south sides, and the third grade which is 29 027.84 hm² has the largest areas, and accounts for 59.75% of the total area of other grass land; (2) the distribution range of arable exploitation suitability of bare land is small, it is located in north-central county, and the second grade has the largest areas, it is 1 994.39 hm² and accounts for 93.35% of the total area of bare land; (3) the arable exploitation suitability of inland beach is only one grade, it is 7 658.19 hm² and is located in the middle of the county, around the Guanting Reservoir; (4) there are five grades about ecological risk region, the high ecological risk regions are at both ends of Huailai County and low ecological risk regions are in the middle of the county. The largest region is the highest ecological risk region, it is 20 975.10 hm²; (5) ecological protection should be given priority to high ecological risk region and the high-middle ecological risk region; the middle ecological risk region should not be used as the first development land as far as possible; low ecological risk region and middle-low ecological risk region can be used as the preferred development land.

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