The Spatial and Temporal Distributions and Spatial Spillover Effects of Forestry Industry Clusters in China
⑴ Background——Developing forestry industry is an important way to broaden farmers'employment chan-nels,promote farmers'income increase,and realize rural industry revitalization.Promoting the development of forestry industry clusters is an important development directions of forestry industry.The functions of scale econo-my,knowledge and technology spillover effect and technological innovation of forestry industry clusters can solve the key problems in the development of forestry industry.Many scholars have analyzed the realization paths,growth models and cluster motivation of industry clusters,and thought that resource endowment,scale econo-my,labor market,regional economic development level,infrastructure and other factors have an important im-pact on forestry industry clusters.However,these studies lack empirical support.⑵ Methods——In this paper,175 cities in 21 provinces(except Hong Kong,Macao,Taiwan,Xizang,Beijing,Shanghai,Tianjin,Gansu,Qinghai and Inner Mongolia),which are among the top 95%of forestry industry output value in 2022,are taken as the research samples.Based on the theory of forestry industry clus-ter,this paper firstly constructs the index system to measure the level of forestry industry clusters.Then,using the sample data from 2005 to 2020,the index of forestry industry clusters is calculated to explore the temporal and spatial distribution characteristics of forestry industry clusters.Finally,the fixed effect SDM model is used to analyze the influencing factors of spillover effects and the attenuation boundary characteristics of different urban agglomerations.⑶ Results——The forestry industry cluster in China presents the spatial distribution of partial concentra-tion,overall dispersion,southeast coastal-southwest-northeast concentrated,and central dispersed,and forms the forestry industry clusters represented by Harbin-Changchun urban agglomeration,Shandong Peninsula urban agglomeration,southeast coastal urban agglomeration,southeast Guangxi urban agglomeration.The spatial spill-over effect of the forestry industry clusters in China is very obvious.The development of forestry industry is strongly dependent on geographical location,resource endowment and traffic conditions,but it has not yet bro-ken through the geographical boundary.The attenuation boundary of the spillover effect of forestry industry clus-ters in different urban agglomerations is very clear,and the spillover effect of different urban agglomerations va-ries with the distance attenuation trends and thresholds.⑷ Conclusions and Discussions——In order to improve the overall level of forestry industry clusters in China,the following policy suggestions are put forward:First,clarify the role positioning of urban agglomera-tions and build a differentiated and coordinated development concept.Each region should define the development orientation of the forestry industry according to the resource endowment and industry type,and find the right de-velopment direction.Second,strengthen the investment in forestry industry and promote the transformation of in-telligent digital technology achievements.In addition,while cultivating a group of technical and professional high-quality forestry talents,we should also actively discover and utilize the local talents.Third,explore the forestry industry advantages of the core cities and develop the characteristic multi-core forestry industry develop-ment modes.Cultivate more core cities in the forestry industry,form a dual-core or multi-core development modes,and promote the transformation of urban agglomerations from chain clusters to slice clusters,and eventu-ally to regional clusters.
forestry industry clusterspatial spillover effectspatial Durbin modeleffect attenuation
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