安徽省茶叶效益提升空间分异及贡献因素研究

Spatial Differentiation and Contribution Factors of Tea Benefit Improvement in Anhui Province

基于对数平均迪式分解法,以2010—2018年安徽省茶叶产值、产量及茶园面积为基础数据,定量化探究安徽省茶叶效益提升空间分异格局及贡献因素。结果表明:(1)安徽省茶叶效益持续提升,茶叶效益提升大县区对茶叶总效益贡献突出。(2)从茶叶效益提升空间格局来看,江淮茶区、大别山茶区贡献了茶叶效益总提升量的96.87%;从茶叶效益增速来看,安徽省县域茶叶增速以超速提升型为主;从茶叶提升增幅空间分异来看,大别山茶区茶叶生产优势地位不断加强。(3)研究时间段内安徽省茶叶单价提高贡献效益增量占总量的62.55%。时序上,单价提高对茶叶效益提升贡献率先下降后上升。(4)47个效益提升县区中,单价提高对茶叶效益贡献的县区数量超过面积扩大及单产提高贡献的数量。位于前15位的县区对安徽茶叶效益提升的贡献达83.72%,均表现为单价提升型。

Based on the LMDI decomposition method,with the data of tea output value,output and tea garden area in Anhui Province from 2010 to 2018,the spatial distribution pattern and contribution factors of tea benefit increase in Anhui Province were explored quantitatively.The results show that(1)the tea benefit of Anhui Province continued to increase.The increase of tea benefits and production in regions and counties had made outstanding contribution to the increase of total output value of tea in Anhui Province.(2)From the perspective of the county spatial pattern of tea benefit increment,Jianghuai tea area and Dabieshan tea area contributed 96.87%of the total increment of tea benefit.From the perspective of tea benefit increment,the growth rate of tea in the counties of Anhui Province was dominated by super-rapid growth.From the perspective of spatial differentiation of tea growth,the dominant position of tea production in Dabieshan tea area had been continuously strengthening.(3)During the research period,the increase of unit price of tea in Anhui Province accounted for 62.55%of the total increase in benefits.In terms of time sequence,the contribution of the increase of unit price to the increment of tea benefit first decreased and then increased.(4)Among the 47 yield increasing areas,the number of counties contributing to tea benefit by increasing unit price was more than that by expanding area and increasing unit yield.The top 15 counties contributed 83.72%to the increase of tea benefit in Anhui Province,all of which showed an increase in unit price.