余杭区乡村古树资源分析及古树公园建设策略

Analysis on Ancient Tree Resources in Rural Area of Yuhang District

以杭州市余杭区乡村古树及其后备资源为研究对象,采用文献数据统计和实地踏查相结合的方法总结了余杭区乡村古树资源的自然条件特征,分析了古树资源和地区人文条件、经济条件及区位条件的关系,并通过对不同因子进行赋值以评估不同乡村建立古树公园的优先级。研究表明:(1)余杭区乡村现存古树621株,其中一级古树22株,古树后备资源777株,隶属于25科45种,古树及后备资源数量随树龄的增加呈下降趋势;(2)各地区的林业发展、旅游发展、距杭州市城区距离对乡村古树的保留起到促进作用,同时也影响了古树资源的群落组成;(3)百丈镇半山村、鸬鸟镇山沟沟村、径山镇径山村、径山镇小古城村、瓶窑镇塘埠村和中泰街道紫荆村的综合评估等级最高,建议在这些地方优先建立乡村古树公园。提出构建古树公园体系、挖掘乡村人文历史、科学智慧保护措施、激发多元保护治理四个方面的策略,以期守护好余杭区乡村古树资源,传承乡村古树生态文明,促进乡村古树公园建设,助力乡村振兴。

Species composition,age class structure and distribution characteristics of ancient trees and reserves was presented based on literature and field investigation in rural area of Yuhang district,Zhejiang province.Relationship was analyzed between ancient tree resources and local humanity,economy and location.The results showed there were 621 ancient trees,including 22 ones under first-class protection,777 reserves,belonging to 45 species of 25 families.The number of ancient tree and resources had negative relation with age.Forestry and tourism development and distance to Hangzhou promoted the preservation of rural ancient trees,and affected the community composition of ancient tree resources.The comprehensive as-sessment of 6 villages demonstrated that it could better to establish rural ancient tree park.Strategies for better conservation of ancient trees were pro-posed such as building an ancient tree park system,exploring rural cultural history,implementing scientific and intelligent protection measures.