in the past few years, the objectives of plant geography study are mainly focused on alpine vegetation as well as arid and semi-arid land vegetation.
本文以植被地理的角度,分析和研究了该森林的地理环境、演变规律、区系特征和植被类型。
in addition, the diversity of alpine vegetation and the ecologic-geographic distribution of the alpine cushion vegetation are also discussed in this paper.