地理研究 ›› 2015, Vol. 34 ›› Issue (2): 341-350.doi: 10.11821/dlyj201502013

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基于循环经济的黑龙江省耕地利用集约度时空差异

倪超1,2(), 杨胜天2(), 罗娅2,3, 周旭2,4, 侯立鹏2   

  1. 1. 哈尔滨学院地理系,哈尔滨 150086
    2. 北京师范大学地理学与遥感科学学院,遥感科学国家重点实验室,环境遥感与数字城市北京市重点实验室,北京 100875
    3. 贵州师范大学地理与环境科学学院,贵阳 550001
    4. 西华师范大学国土资源学院,南充 637009
  • 收稿日期:2014-09-27 修回日期:2014-12-20 出版日期:2015-02-10 发布日期:2015-03-17
  • 作者简介:

    作者简介:倪超(1980- ),女,河北献县人,博士,讲师,从事农业遥感与土地利用研究。E-mail:ni_chao2009@126.com

  • 基金资助:
    哈尔滨学院青年(博士)科研基金项目(HUDF2013-008);国家自然科学基金项目(41271414)

The spatial-temporal difference analysis of cultivated land use intensity in Heilongjiang province based on circular economy

Chao NI1,2(), Shengtian YANG2(), Ya LUO2,3, Xu ZHOU2,4, Lipeng HOU2   

  1. 1. Geography Department of Harbin University, Harbin 150086, China
    2. State Key Laboratory of Remote Sensing Science, School of Geography, Beijing Normal University, Beijing Key Laboratory for Remote Sensing of Environment and Digital Cities, Beijing 100875, China
    3. School of Geographic and Environmental Sciences, Guizhou Normal University, Guiyang 550001, China
    4. School of Land and Resource, China West Normal University, Nanchong 637009, Sichuan, China
  • Received:2014-09-27 Revised:2014-12-20 Online:2015-02-10 Published:2015-03-17

摘要:

为准确把握耕地集约利用水平及时空变化特征,基于循环经济“减量化、再利用、资源化”的基本原则,从投入强度、重复利用、综合效益和持续状态入手构建耕地集约利用评价指标体系,采用熵值法和变异系数法对1986-2008年黑龙江省耕地利用集约度进行评价,并通过秩相关系数模型和聚类分析法分析黑龙江省各地耕地集约利用空间差异特征。结果表明:① 研究期间黑龙江省耕地集约利用水平明显提高,但1994-1998年呈波动下降趋势;② 除持续状态呈下降趋势外,其余准则层均表现为上升态势,耕地利用协调度处于高度协调状态;③ 黑龙江省东北部地区耕地利用集约度明显下降,其余地区耕地利用集约度的上升或下降幅度均不明显;④ 黑龙江省各地耕地利用集约度差异比较显著。

关键词: 耕地集约利用, 时空差异, 循环经济, 黑龙江省

Abstract:

In order to examine the level of intensive cultivated land use and features of spatial-temporal difference accurately, based on the basic principles of circular economy, namely "reduce, reuse, recycle", an evaluation index system of intensive cultivated land use from four aspects including input intensity, reuse, comprehensive benefit and continuous status was constructed. Status of intensive cultivated land use in Heilongjiang province from 1986 to 2008 was evaluated by using entropy method and variation coefficient method, and the feature of spatial difference of various areas in Heilongjiang was discussed by using Spearman rank correlation coefficient and cluster analysis method. The results show that: (1) As the condition of cultivated land in Heilongjiang was superior and a series of policies to support and benefit farmers have been implemented, the intensive use degree of cultivated land showed an increasing trend during the study period compared with the period from 1994 to 1998; (2) Increasing population and decreasing cultivated land had a detrimental effect on continuous status, which presented a decreasing trend. While other three layers, namely input intensity, reuse and comprehensive benefit, showed an increasing trend, because cultivated land protection had been strengthened and agricultural input had increased. Coordination degree of cultivated land use was in a highly coordinate state on the whole; (3) Cultivated land use intensity in Northeast China decreased significantly, while the increased or decreased margin in other areas was unobvious; (4) Under the influence of nature, economy, location and other factors, the difference of intensive cultivated land use in various areas was significant, which can be divided into five classes, highly intensive, more intensive, generally intensive, basic intensive and non-intensive. On the whole, the intensive use degree of cultivated land in Heilongjiang showed an increasing trend during the study period. The areas of superior natural conditions, such as Sanjiang plain and Songnen plain, have higher cultivated land intensity, while the nonagricultural areas have lower cultivated land intensity.

Key words: intensive cultivated land use, spatial-temporal difference, circular economy, Heilongjiang province