| 1. | Compared to non - tourist areas , in recreational areas , the number of plant species and coverage of vegetation in arbor layer and shrub layer decreased and the composition and community structure of vegetation trended to be simple . at the same time , regeneration of vegetation were suppressed
景点活动区与背景区相比：乔木层、灌木层植物种数及盖度减少，群落组成及结构趋向简单化，更新受抑，草坪生物量、高度、盖度明显受到冲击。 |
