节点文献
甘肃白龙江林区野生花卉资源及多样性
Wild Flower Resources and Diversity in Bailongjiang Forest Area of Gansu
【摘要】 经过多年的调查研究,甘肃白龙江林区野生花卉共有82科205属380种,其中木本植物301种,占总数的79.21%,草本植物79种,占总数的20.79%;珍稀野生花卉55科122属156种,占全国已公开记载珍稀野生花卉总数的23.39%,其中国家重点保护的珍稀野生花卉18科32属45种;野生花卉的优势科为蔷薇科、忍冬科和杜鹃花科,优势属为忍冬属和杜鹃花属;以落叶阔叶混交林带分布最多,其次为常绿阔叶混交林带;科的分布以泛热带分布、北温带分布为主;属的分布以北温带分布为主,其次为泛热带分布和东亚分布;其观赏特性以观花类、观果类和观叶类居多,分别占总种数的49.2%、28.16%、18.16%;园林用途以花灌木类、盆景类和园景类为主,分别占总种数的22.89%、19.74%、15.26%;并提出了具体的保护和利用建议。
【Abstract】 For wild flowers in Bailongjiang,investigation showed that there are 380 species,205 genera and 82 families,of which 301 species are woody plants,accounting for 78.21 %;79 herb plants accounting for 20.79%.There are 156 species,122 genera and 55 families of rare and cherished wild flowers.The dominant families are Rosaceae,Caprifoliaceae or Ericaceae and dominant genera are Rhododendron or Lonicera Linn.Widely distributed are deciduous broad-leaved mixed forest,followed by ever-green broad-leaved mixed forest.Family is on a pantropical and northern temperate distribution pattern;genus on a northern temperate distribution pattern,dominated by ornamental plants of flowers,fruits and foliage which are 49.2%,28.16% and 18.16% respectively.Plants for landscape architecture are bush-oriented,bonsai-oriented and landscape-oriented,which account for 22.89%,19.74% and 15.26% respectively.
【Key words】 Bailongjiang forest area; wide flower; diversity; vertical distribution; protection and utilization.;
- 【文献出处】 陕西林业科技 ,Shaanxi Forest Science and Technology , 编辑部邮箱 ,2008年02期
- 【分类号】S68
- 【被引频次】9
- 【下载频次】116