乔木树种的英文

arbor species

• 乔木:    arbor; macrophaner ...
• 树种:    varieties of trees ...
• 林木树种:    forest tree specie ...

例句与用法

1. However the density of trees increased , and at the same time , shrubs density , maxium proportion of tree number of certain dbh range trend to decrease
   而乔木密度呈增加趋势，而灌木密度和乔木树种的最大株数比例的胸径范围呈不断降低趋势。