【摘要】：對(duì)林地細(xì)碎化的概念界定、測(cè)度方法、主要成因和經(jīng)濟(jì)影響進(jìn)行了梳理。研究結(jié)果為:從管理細(xì)碎化和空間細(xì)碎化兩個(gè)層面對(duì)林地細(xì)碎化進(jìn)行概念界定;采用單項(xiàng)指標(biāo)、多項(xiàng)指標(biāo)(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(biāo)(S指數(shù)、J指數(shù)和I指數(shù))對(duì)林地細(xì)碎化進(jìn)行測(cè)度;林地細(xì)碎化的成因在于均分承包到戶、林地代際繼承、人口增長(zhǎng)壓力以及市場(chǎng)交易機(jī)制;林地細(xì)碎化具有增加經(jīng)營(yíng)模式多樣性和促進(jìn)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(xì)碎化的成因及影響,并強(qiáng)化對(duì)其定量分析(測(cè)度方法選擇、微觀定量證據(jù)和內(nèi)生性問(wèn)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(guó)人民大學(xué)農(nóng)業(yè)與農(nóng)村發(fā)展學(xué)院;
【基金】：國(guó)家社會(huì)科學(xué)基金資助項(xiàng)目(13BJY060) 中國(guó)人民大學(xué)2016年度拔尖創(chuàng)新人才培育計(jì)劃資助項(xiàng)目 2016~2017學(xué)年度“清華大學(xué)中國(guó)農(nóng)村研究院博士論文獎(jiǎng)學(xué)金”資助項(xiàng)目(201626) 中國(guó)人民大學(xué)科學(xué)研究基金(中央高�；究蒲袠I(yè)務(wù)費(fèi)專項(xiàng)資金)資助項(xiàng)目(17XNH069)
【分類號(hào)】：F326.2

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