CUI Ningbo,BA Xuezhen.Decoupling Analysis of Pressure of Cultivated Land Ecological Security and Agricultural Economic Development in Heilongjiang Province[J].Research of Soil and Water Conservation,2021,28(05):308-315.
黑龙江省耕地生态安全压力与农业经济发展的脱钩分析
- Title:
- Decoupling Analysis of Pressure of Cultivated Land Ecological Security and Agricultural Economic Development in Heilongjiang Province
- 文章编号:
- 1005-3409(2021)05-0308-08
- Keywords:
- ecological security of cultivated land; agricultural economy; ecological footprint; decoupling theory
- 分类号:
- F327
- 文献标志码:
- A
- 摘要:
- 为充分认识黑龙江省耕地生态安全压力与农业经济发展的关系,首先采用改进生态足迹模型,测算黑龙江省耕地生态安全水平,并对其2009—2018年的时空动态变化特征进行刻画和一般规律进行总结,在此基础上又采用脱钩模型,评估耕地生态安全压力与农业经济发展脱钩关系。结果表明:(1)时间上,黑龙江省耕地生态安全程度从生态盈余向生态平衡有余过渡,最终转变为临界超载状态,耕地生态已显乏力;(2)空间上,黑龙江省耕地生态安全分布具有明显不平衡性,从南向北呈现生态赤字到生态平衡的空间分布态势;(3)耕地生态安全压力与农业经济发展的脱钩状态受农业生产方式的影响,整体上由弱脱钩逐渐转为强脱钩,协调性逐步增强,个别地区具有不稳定性。研究成果为区域耕地生态保护及实现农业经济可持续发展提供数据支持和理论支撑。
- Abstract:
- In order to fully understand the relationship between ecological security pressure of cultivated lands and the development of its agricultural economy in Heilongjiang Province,we adopted the improved ecological footprint model to measure the ecological security levels of cultivated lands in Heilongjiang Province,to describe its spatiotemporal dynamic change characteristics from 2009 to 2018 and to summarize general rules. On the basis of that,decoupling model was also used to evaluate the decoupling relationship between ecological security pressure of cultivated lands and the development of its agricultural economy. The results show that:(1)from the perspective of time,ecological security degree of cultivated lands in Heilongjiang Province transitioned from ecological surplus to ecological balance and finally transformed to the critical overloaded status,so cultivated lands did not have sound ecological status;(2)from the perspective of space,the distribution of cultivated lands' ecological security in Heilongjiang Province was obviously unbalanced,which showed the spatial distribution of ecological deficit to ecological balance from the south to the north;(3)the decoupling state between ecological security pressure of cultivated lands and the development of agricultural economy was greatly influenced by agricultural production modes; in general,it gradually shifted from weak decoupling to strong decoupling and their coordination gradually increased; however,some areas also had unstable development. These research results can provide data and theory support for ecological protection of regional farmlands and the realization of the sustainable development of agricultural economy.
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备注/Memo
收稿日期:2020-10-19 修回日期:2020-11-09资助项目:国家社会科学基金“东北地区粮食生产安全的耕地生态保障与对策研究”(20BJY149)第一作者:崔宁波(1980—),女,黑龙江哈尔滨人,教授,主要研究方向为农业经济理论与政策研究。E-mail:82890000@163.com