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引用本文:齐丽,李娜.新宾县乡村聚落景观格局对于水源涵养的影响[J].中国农业资源与区划,2019,40(5):118~125
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新宾县乡村聚落景观格局对于水源涵养的影响
齐丽1,2,3,4, 李娜5
1.陕西省土地工程建设集团有限责任公司,西安710075;2.陕西地建土地工程技术研究院有限责任公司,西安710075;3.陕西省土地整治工程技术研究中心,西安710075;4.国土资源部退化及未利用土地整治工程重点实验室,陕西西安710075;5.北京华源厚土土地整理规划设计有限公司,北京100193
摘要:
[目的]文章通过对新宾县乡村聚落分布特征、景观格局和土壤侵蚀特征进行分析,探讨乡村聚落布局对水源涵养功能的影响程度和方向。[方法]以1992年、2001年、2010年新宾县卫片为基础,结合土地利用现状以及统计年鉴等社会经济资料,分析乡村聚落分布存在的问题。运用GIS空间分析功能、景观指数对乡村聚落分布特征进行分析,并应用spss软件对土壤侵蚀情况和乡村聚落规模进行相关性分析。[结果]新宾县乡村聚落呈现出平均斑块面积较小,南杂木镇平均斑块面积最大,为307hm2/个; 木奇镇平均斑块面积最小,为197hm2。斑块数多永陵镇斑块个数最多,为473个,表明其破碎度较高; 斑块个数最少的是响水河子乡,为97个。人均用地面积超标,人均建设用地面积305m2/人,超出规定的150m2/人、平均斑块分维数小均在116以下,接近于1,斑块具有一的稳定性稳定,分散度较大。土壤侵蚀情况与乡村聚落规模、人口密度在置信度为001的情况下相关性显著,并且呈正相关。[结论]新宾县乡村聚落图斑破碎化严重,布局比较分散; 土壤侵蚀情况随着距离的增加呈现出递减的趋势; 乡村聚落规模越大侵蚀情况越严重。
关键词:  景观格局乡村聚落土壤侵蚀水源涵养新宾
DOI:
分类号:K903
基金项目:
THE EFFECT OF RURAL SETTLEMENTS LANDSCAPE PATTERN ON WATER CONSERVATION IN XINBIN COUNTY
Qi Li1,2,3,4, Li Na5
1. Shaanxi Provincial Land Engineering Construction Group Co., Ltd., Xi′an, Shaanxi 710075, China;2.Institute of Land Engineering and Technology, Shaanxi Provincial Land Engineering Construction Group Co., Ltd., Xi′an,Shaanxi 710075, China;3. Shaanxi Provincial Land Consolidation Engineering Technology Research Center, Xi′an, Shaanxi 710075, China;4 .Key Laboratory of Degraded and Unused Land Consolidation Engineering, the Ministry of Land and Resources, Xi′an, Shaanxi 710075, China;5.Beijing Huayuan Thick Soil Land Planning and Design, Beijing 100193, China
Abstract:
This research aims to analyze the distribution characteristics, landscape pattern and soil erosion characteristics of rural settlements in Xinbin county, so as to explore the extent and direction of the influence of rural settlement layout on water conservation function. Based on the social films of the Xinbin county in 1992, 2001 and 2010, this research analyzed the problems of rural settlements through combining the status quo of land use and statistical yearbooks. Moreover, it analyzed the distribution characteristics of rural settlements by using GIS spatial analysis function and landscape index. In addition, it analyzed the correlation between soil erosion and rural settlement size with the spss software. The rural settlements in Xinbin county showed a small average plaque area, and the average plaque area in Nanzamu town was the largest, which was 3.07 hm2 /patch. The average plaque area in Muqi town was the smallest, which was 1.97hm2.The number of plaques in Yongling town was the highest, with 473, indicating a high degree of fragmentation.The least number of plaques was Xiangshuihezi township, with 97.The per capita land area exceeded the standard, with one person 305m2, which exceeded the prescribed one person 150m2.The average plaque fractal dimension was less than 1.16, close to 1.The plaque had a stable stability and a large dispersion.Soil erosion was significantly correlated with rural settlement size and population density with a confidence level of 0.01, and was positively correlated. The rural settlements in Xinbin county are severely fragmented and the layout is scattered.Soil erosion shows a decreasing trend with increasing distance.The greater the size of the rural settlement, the more serious the erosion.
Key words:  landscape  rural settlements  soil erosion  water conservation  Xinbin
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