【摘要】：對林地細碎化的概念界定、測度方法、主要成因和經(jīng)濟影響進行了梳理。研究結(jié)果為:從管理細碎化和空間細碎化兩個層面對林地細碎化進行概念界定;采用單項指標、多項指標(地塊數(shù)量、塊均面積、單位面積地塊數(shù)和地塊空間分布)以及綜合指標(S指數(shù)、J指數(shù)和I指數(shù))對林地細碎化進行測度;林地細碎化的成因在于均分承包到戶、林地代際繼承、人口增長壓力以及市場交易機制;林地細碎化具有增加經(jīng)營模式多樣性和促進林地流轉(zhuǎn)的積極作用,但其消極作用十分突出,主要表現(xiàn)在縮減林業(yè)生產(chǎn)投入、降低林業(yè)生產(chǎn)效率以及減少林業(yè)產(chǎn)出和收入等方面。最后,提出了從宏微觀相結(jié)合的理論視角深入剖析林地細碎化的成因及影響,并強化對其定量分析(測度方法選擇、微觀定量證據(jù)和內(nèi)生性問題)的研究展望。
[Abstract]:The definition, measurement method, main cause of formation and economic influence of forest land fineness are analyzed. The research results are as follows: the concept of forest land fineness is defined from two aspects of management fineness and spatial fineness; Single index, multiple indexes (number of plots, average area of blocks, number of plots per unit area and spatial distribution of plots) and comprehensive indexes (S index, J index and I index) were used to measure the fragmentation of forest land. The causes of woodland fragmentation are divided equally into households, forestland intergenerational inheritance, population growth pressure and market trading mechanism. The fine fragmentation of forest land can increase the diversity of management mode and promote the circulation of forest land, but its negative effect is very prominent, mainly in the aspects of reducing forestry production input, reducing forestry production efficiency and reducing forestry output and income. Finally, this paper puts forward the research prospect of quantitative analysis (selection of measurement method, microscopic quantitative evidence and endogenous problem) from the perspective of macro and micro theory to deeply analyze the causes and effects of woodland fragmentation.
【作者單位】： 中國人民大學農(nóng)業(yè)與農(nóng)村發(fā)展學院;
【基金】：國家社會科學基金資助項目(13BJY060) 中國人民大學2016年度拔尖創(chuàng)新人才培育計劃資助項目 2016~2017學年度“清華大學中國農(nóng)村研究院博士論文獎學金”資助項目(201626) 中國人民大學科學研究基金(中央高�；究蒲袠I(yè)務費專項資金)資助項目(17XNH069)
【分類號】：F326.2

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