摘要:在分析森林食品產(chǎn)業(yè)發(fā)展影響因素時(shí),首次提出了通過偏最小二乘(PLS)回歸方法,并實(shí)證分析了各影響因素的相對(duì)重要性及影響程度差異,以期對(duì)區(qū)域森林食品產(chǎn)業(yè)發(fā)展現(xiàn)狀進(jìn)行解釋,以及對(duì)推動(dòng)區(qū)域森林食品產(chǎn)業(yè)發(fā)展策略及權(quán)重進(jìn)行界定。
關(guān)鍵詞:森林食品產(chǎn)業(yè);影響因素;偏最小二乘回歸法
中圖分類號(hào):TS218;F326.2 文獻(xiàn)標(biāo)識(shí)碼:A 文章編號(hào):0439-8114(2011)19-4100-03
Demonstration Study on the Influence Factors of Development of Forest Food Industry
ZHANG Run-hao
(Central South University of Forestry and Technology, Changsha 410004, China)
Abstract: In the analysis of forest food industry factors, the empirical analysis of the relative importance of each factor and the influence of difference to the expectations of the regional forest food industry was first proposed by partial least squares regression method, to explain the current situation and food industry in promoting the development of regional forest strategies and weights defined.
Key words: forest food industry; factors; partial least squares regression
森林食品產(chǎn)業(yè)是指在森林資源可持續(xù)利用和良好生態(tài)環(huán)境基礎(chǔ)上,進(jìn)行森林食品培育、加工、流通、銷售及相關(guān)服務(wù)的產(chǎn)業(yè),涉及國(guó)民經(jīng)濟(jì)第一產(chǎn)業(yè)、第二產(chǎn)業(yè)和第三產(chǎn)業(yè)的多個(gè)門類。森林食品產(chǎn)業(yè)已經(jīng)成為當(dāng)今的朝陽產(chǎn)業(yè),因?yàn)樯质称樊a(chǎn)業(yè)的發(fā)展符合林業(yè)經(jīng)濟(jì)發(fā)展方式轉(zhuǎn)變,它將林業(yè)的生態(tài)、經(jīng)濟(jì)、社會(huì)效益統(tǒng)一起來,是平衡長(zhǎng)期與近期效益的重要途徑,不僅是實(shí)現(xiàn)我國(guó)糧油安全、生態(tài)安全和長(zhǎng)期穩(wěn)定和諧發(fā)展的必然需求,而且在國(guó)民經(jīng)濟(jì)發(fā)展中占有越來越重要的地位[1,2]。同時(shí),森林食品產(chǎn)業(yè)的發(fā)展也符合消費(fèi)者的需求,到2009年城鄉(xiāng)居民恩格爾系數(shù)從1990年的54.2%降低到37.0%,總體上已經(jīng)進(jìn)入小康居民消費(fèi)階段。“民以食為天,食以安為先”,馬斯洛需求層次理論揭示,人們?cè)谏嫘枰玫綕M足后,安全的需要將會(huì)更加突出,對(duì)應(yīng)著人們食品安全意識(shí)不斷提高,對(duì)食品的生態(tài)性、營(yíng)養(yǎng)性要求也愈發(fā)增強(qiáng),而森林食品恰巧對(duì)應(yīng)了這種需求。
學(xué)者們?cè)谝酝难芯恐袕?qiáng)調(diào)從以下幾個(gè)方面推動(dòng)森林食品產(chǎn)業(yè)的發(fā)展:一是加強(qiáng)對(duì)森林食品資源的基礎(chǔ)性調(diào)查工作,積極引進(jìn)馴化品種;……