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[1]WANG Zhen,WU Jinhua,BAI Shuai,et al.Evaluation of Cultivated Land Fragmentation and Land Consolidation Engineering Zoning in the Loess Hilly and Gully Region[J].Research of Soil and Water Conservation,2022,29(04):300-307.

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Evaluation of Cultivated Land Fragmentation and Land Consolidation Engineering Zoning in the Loess Hilly and Gully Region

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 29 Number of periods: 2022 04 Page number: 300-307 Column: Public date: 2022-06-20

Title:: Evaluation of Cultivated Land Fragmentation and Land Consolidation Engineering Zoning in the Loess Hilly and Gully Region

Author(s):: WANG Zhen¹, WU Jinhua¹, BAI Shuai¹, WANG Haiyang¹, CHEN Yingjie²; (1.School of Land Engineering, Chang'an University, Xi'an 710054, China; 2.School of Earth Sciences and Resources, Chang'an University, Xi'an 710054, China)

Keywords:: cultivated land fragmentation; land consolidation engineering zoning; landscape index; Geodetector; loess hilly and gully area

CLC:: S341.1

DOI:: -

Abstract:: In order to study the characteristics of cultivated land fragmentation in the loess hilly and gully area and improve the level of agricultural mechanization, Wuqi County, Yan'an City, was taken as the research area, the administrative village was taken as the unit, based on ArcGIS and Fragstats software, landscape index, Geodetector and other methods are used to evaluate the degree of cultivated land fragmentation in Wuqi County, to analyze the influencing factors, and to divide land consolidation engineering area. The results show that:(1)the degree of comprehensive fragmentation of cultivated land in Wuqi County is generally high, and the sequence of the number of administrative villages is medium fragmentation>severe fragmentation>slight fragmentation; slight fragmentation concentrates in the northern part of Wuqi County, and severe fragmentation mainly distributes in the central, southern and southwestern parts; the severe fragmentation in the central area presents a northwest-southeast trending strip; the main type of cultivated land fragmentation in Wuqi County is area fragmentation, and the degree of shape fragmentation and distribution fragmentation is relatively low;(2)the main factors influencing the comprehensive fragmentation of cultivated land in Wuqi County are elevation, slope, distance from the river, and distance from rural residential areas; the order of influence is distance from river>slope>elevation>distance from rural residential areas; the slope and the distance from the river have a strong interaction with the distance from rural roads and the distance from rural residential areas, respectively;(3)based on the evaluation of cultivated land fragmentation and analysis of influencing factors, a total of 5 areas are divided into land ownership adjustment area, land leveling engineering area, farmland water conservancy engineering area, rural road engineering area, and land engineering comprehensive consolidation area, which can provide directional guidance for remediation of cultivated land fragmentation in Wuqi County. The cultivated land in Wuqi County has a high level of fragmentation and strong spatial heterogeneity. It is mainly affected by multiple factors such as terrain, water source, and farming convenience. It needs to be improved by means of ownership adjustment and land consolidation.

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Last Update: 2022-06-20