| With the development of ecological civilization in China,people are no longer limited to making material wealth to meet the needs of a better life,but have more opportunities to go into nature and experience the beautiful ecological environment and natural landscape.In order to make better use of high-quality nanmu resources in nanmuzhai,Zhuxi county,and develop eco-tourism.Investigate the Nanmu community in Nanmuzhai,find out the distribution,quantity and structure of Nanmu resources,the habitat conditions,plant richness and plant diversity of Nanmu community,etc.Based on the investigation of Phoebe zhennan community,the landscape evaluation index system was established,and the index weight was determined by entropy weight method.The landscape evaluation of 21 Phoebe zhennan communities was carried out and verified by cluster analysis.SWOT method was used to analyze the strengths,weaknesses,opportunities and challenges of tourism development in Nanmuzhai,and formulate tourism development strategies.It is of great significance in promoting the development of local forest eco-tourism,economic and social development and protecting wild Phoebe zhennan resources.The research results were as follows:(1)After investigation,88 species of plants were found in Phoebe zhennan community in Nanmuzhai,including 88 species of vascular plants belonging to 70 genera of 33 families;According to phylum statistics,there were 4 pteridophytes,2 gymnosperms and 82 angiosperms.According to life types,there were 8 families,15 genera and 17 species of deciduous trees,3 families,3 genera and 3 species of evergreen trees,≥6cm families,7 genera and 9 species of shrubs,3 families,4 genera and 7 species of lianas,17 families,28 genera and 33 species of perennial herbs,8 families,15 genera and 18 species of annual herbs,and 1 family of bamboo.(2)After analysis,the important value of Phoebe zhennan in 21 Phoebe zhennan sample plots was 0.175～0.599,the relative coverage of Phoebe zhennan was 9.5%～43.6%,and the Margalef species richness index of 21 Phoebe zhennan sample plots was 6.389～8.934.Shannon-Weiner diversity index of tree layer,shrub layer and herb layer of the plot was 2.04～2.74,1.22～1.71,0.77～1.53,and Pielou evenness index of tree layer,shrub layer and herb layer was 0.537-0.722,0.312～0.435,0.199.(3)Twelve landscape evaluation indexes were selected,and the weights of each index were calculated as follows:Phoebe zhennan important value 0.175,relative coverage 0.126,community species richness 0.093,community species diversity 0.110,community species uniformity 0.072,community stable health status 0.070,color richness 0.052,landscape beauty 0.085,and harmony with surrounding environment 0.085.According to the similarity of 75%,21 Phoebe zhennan plots can be divided into four categories by cluster analysis,which is basically consistent with the results of landscape evaluation.(3)Through SWOT analysis,the strengths,weaknesses,opportunities and threats of tourism development in Nanmuzhai are determined.Its advantages mainly include:high-quality nanmu resources,abundant resources of other tree species,animals and birds,and cultural landscapes such as Kangyang trails and landscape bridges;The main disadvantages were:poor transportation convenience,backward infrastructure,small environmental capacity,low quality of employees,etc.Combined with the existing resources of Nanmuzhai,the development strategy of Nanmuzhai was formulated.Conclusion:Phoebe zhennan Village is rich in Phoebe zhennan resources,with a wide distribution range,and has a high potential for ecotourism development.Among them,the dominant tree species of seven Phoebe zhennan communities Al,A3,A10,A13,A2,A4 and A5 are Phoebe zhennan,which has good landscape effect and a certain development foundation,and can be rationally developed.However,the landscape effect of other Phoebe zhennan communities is relatively poor,and Phoebe zhennan is mostly seedlings and young forests,so it should be protected. |
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