tree stage meaning in English

树木生长阶段

Due to different exploitation intensity and ecological restoration measures used in hongchiba region , wuxi county , the vegetation have been formed a series of succession stages , i . e . herbaceous stage scrub - shrub stage - shrub - tree stage - pure larix daempferi conifer forest stage - pinus armandii needle broad - leaved mixed forest stage - natural deciduous broad - leaved forest
巫溪县红池坝地区由于历史上开发强度和生态恢复措施的不同，使当地植被形成了从草本群落灌木灌丛林灌过渡带日本落叶松( larixdaempferi )针叶纯林华山松( pinusarmandii )针阔叶混交林天然阔叶落叶林的一系列生态恢复演替阶段。
Taxus chinensis vsr . mairei population is very oblivious from seeding stage to mature tree stage . the patterns were consistant with the ecological and biological characteristics of form . taxus chinensis var . mairei which were valuable and rare and in severe danger . in this paper , logistic model and liu - logistic model were proposed to approach the growth dynamics of tree basal area of form . taxus chinensis var . mairei population
南方红豆杉幼苗表现为较强的聚集分布，除与种子的散布有关外，生境条件的差异是重要原因之? ，其它发育阶段表现为明显的随机分布，表明它在自然群落中分布的概率很小，反映了南方红豆杉珍稀濒危的生态生物学特性和特征。