大围山野生白檀资源调查与分析

Investigation and analysis of wild Symplocos paniculata resources in Dawei Mountain

通过资料查阅、访问和实地调查相结合的方法对大围山白檀资源进行调查,并进行相关分析。结果表明:该区域的白檀集中分布在海拔1 200 m以上的黄棕壤地带及高山草甸区,通过根蘖繁殖和鸟类传播两种方式进行自然繁衍;光照强度、土壤表层保水能力和肥力是白檀自然分布的主要限制因子;该区域白檀单株产量差异较大,变异系数为59.14%,最高单株产量可达20 kg,冠幅、树高是影响白檀单株产量的主要树体结构因子。

Combine the methods of data consult,access and field survey,the resources of wild Symplocos paniculata were investigated and analyzed.The results showed that the wild S.paniculata were mainly distributed in the areas with mountain yellow-brown soft and alpine meadow soil at an altitude above 1 200 m,which depended on root breeding and birds for their reproduction.The illumination intensity,topsoil water retention and topsoil fertility were the major factors affecting the natural distribution.The yield per plant of S.paniculata in this region has significant difference,and the max seed yield of single plant is 20 kg and the variation coefficient of 59.14%.The crown,tree height are the main factors for the tree structure for the yield per plant of S.paniculata.