湖北农业科学 ›› 2021, Vol. 60 ›› Issue (2): 72-78.doi: 10.14088/j.cnki.issn0439-8114.2021.02.013

• 资源·环境 • 上一篇    下一篇

广西耕地利用形态时空演变格局与驱动因素研究

梁小丽a, 屠爽爽b, 万诗梦a, 周星颖a   

  1. 南宁师范大学,a.地理科学与规划学院; b.地理与海洋研究院,南宁 530001
  • 收稿日期:2020-05-27 出版日期:2021-01-25 发布日期:2021-02-07
  • 作者简介:梁小丽(1990-),女,广西博白人,在读硕士研究生,研究方向为耕地利用转型与乡村发展,(电话)15277066366(电子信箱)xlz2xl@163.com。
  • 基金资助:
    广西自然科学基金项目(2018GXNSFDA281032; 2018GXNSFAA138055); 北部湾环境演变与资源利用教育部重点实验室开放基金项目(GTEV-KLOP-X1715)

Study on the patio-temporal characteristics and dynamic mechanism of cultivated land use patterns in Guangxi

LIANG Xiao-lia, TU Shuang-shuangb, WAN Shi-menga, ZHOU Xing-yinga   

  1. a.School of Geographical Sciences and Planning; b.Institute of Geography and Oceanography, Nanning Normal University, Nanning 530001,China
  • Received:2020-05-27 Online:2021-01-25 Published:2021-02-07

摘要: 基于1995、2005、2015年3期广西土地利用现状,结合ArcGIS、Fragstats和SPSS软件,定量刻画广西县域耕地利用形态的时空特征,揭示不同时段耕地利用形态分异规律并识别主要驱动因子。结果表明,①1995—2015年广西耕地总面积增加,时间序列上呈先增后减趋势,1995—2005年耕地增长率与2005—2015年减少率高值中心具有较强的空间吻合性。②1995—2005年新增耕地主要来源于林地和草地,2005—2015年部分耕地转换为林地、草地和建设用地。③耕地景观的破碎化程度呈先降低后升高的趋势,连通性、聚集度以及优势斑块在区域中的支配作用均先增强后减弱。④耕地利用变化是地形条件、经济发展、人为干预等多重因素综合驱动的结果。在不同地形起伏度范围内,耕地利用变化具有不同的时空特征。地区经济发展、城镇化水平、农民收入水平、区位条件、第一产业所占比重、乡村人口数量是广西耕地利用形态变化的主要驱动因子。

关键词: 耕地, 土地利用形态, 时空演变格局, 驱动因素, 广西

Abstract: Based on the current land use of Guangxi in three periods of 1995、2005 and 2015, ArcGIS, Fragstats and SPSS software were combined to quantitatively analyze the patio-temporal characteristics of cultivated land use patterns in Guangxi, reveal the differentiation laws of cultivated land use patterns in different periods and identify the main driving factors. The results showed that: ①During 1995—2015, the total cultivated land area increased in Guangxi , and the time series showed a trend of increasing first and then decreasing. There was a strong spatial coincidence between the high value center of growth rate of cultivated land in 1995—2005 and the reduction rate in 2005—2015. ② From 1995 to 2005, the newly increased cultivated land mainly came from forest land and grassland, while from 2005 to 2015, some of cultivated land was converted into forest land, grassland and construction land. ③The fragmentation degree of cultivated land landscape first increased and then decreased, and the dominance of connectivity, aggregation and dominant patches in the region first weakened and then increased. ④The evolution of cultivated land use patterns was the result of multiple factors such as terrain conditions, economic development and human intervention. In the range of different topographic relief, the change of cultivated land use had different temporal and spatial characteristics. Regional economic development, urbanization level, farmers' income level, location conditions, the proportion of the primary industry, and the number of rural population were the main driving factors for the change of cultivated land use in Guangxi.

Key words: cultivated land, land use patterns, patio-temporal characteristics, dynamic mechanism, Guangxi

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