【摘要】：為分析山地農(nóng)業(yè)種植結(jié)構(gòu)的演變特征及其主要驅(qū)動(dòng)因子,制定種植結(jié)構(gòu)的調(diào)控途徑,采用C-PCA耦合模型(典型主成分分析)對(duì)貴州省1949~2013年種植結(jié)構(gòu)演變的15個(gè)驅(qū)動(dòng)因子進(jìn)行分析。結(jié)果表明:(1)貴州省1949~2013年種植結(jié)構(gòu)逐漸向市場導(dǎo)向型轉(zhuǎn)變,經(jīng)濟(jì)作物比重上升,糧食作物比重下降,糧食作物和經(jīng)濟(jì)作物產(chǎn)量分別以7.24%和2.95%的速率增長;(2)通過C-PCA耦合模型的貢獻(xiàn)率得出種植結(jié)構(gòu)演變的主要驅(qū)動(dòng)因子為總?cè)丝�、城市化水平、倉儲(chǔ)運(yùn)輸業(yè)比重、年均氣溫、年降水量和農(nóng)業(yè)人口比重,其對(duì)應(yīng)累計(jì)貢獻(xiàn)率達(dá)86.04%;(3)調(diào)控山地農(nóng)業(yè)種植結(jié)構(gòu),不僅需要發(fā)展山地高效復(fù)合型農(nóng)業(yè),提高種植系統(tǒng)抗災(zāi)能力,還需借助農(nóng)產(chǎn)品生產(chǎn)、加工、銷售云平臺(tái)實(shí)現(xiàn)農(nóng)業(yè)的可持續(xù)發(fā)展,從而為山地農(nóng)業(yè)經(jīng)濟(jì)的發(fā)展提供重要支撐。
[Abstract]:In order to analyze the evolutional characteristics and main driving factors of agricultural planting structure in mountainous area, the regulation and control ways of planting structure were established. The C-PCA coupling model (typical principal component analysis) was used to analyze the 15 driving factors of the evolution of planting structure in Guizhou province from 1949 to 2013. The results showed that: (1) the planting structure of Guizhou Province gradually changed to market-oriented from 1949 to 2013, the proportion of cash crops increased, the proportion of grain crops decreased, and the yield of grain crops and cash crops increased by 7.24% and 2.95% respectively; (2) the main driving factors of the evolution of planting structure are the total population, the level of urbanization, the proportion of storage and transportation industry, the average annual temperature, the annual precipitation and the proportion of agricultural population through the contribution rate of C-PCA coupling model. The corresponding cumulative contribution rate was 86.04; (3) in order to control the planting structure of mountainous agriculture, it is necessary not only to develop high-efficient compound agriculture in mountainous areas and to improve the ability of planting system to resist disasters, but also to realize the sustainable development of agriculture by means of the production, processing and marketing of agricultural products. Thus provides the important support for the mountainous agricultural economy development.
【作者單位】： 重慶師范大學(xué)地理與旅游學(xué)院;重慶市育才中學(xué)校;貴州省山地資源研究所;
【基金】：貴州省重大應(yīng)用基礎(chǔ)專題(黔科合JZ字[2014]200206) 貴州省科技廳創(chuàng)新人才團(tuán)隊(duì)計(jì)劃(黔科合人才團(tuán)隊(duì)[2014]4014)~~
【分類號(hào)】：F326.1

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