例句與用法

1. 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
   巫溪縣紅池壩地區(qū)由于歷史上開發(fā)強度和生態(tài)恢復措施的不同，使當?shù)刂脖恍纬闪藦牟荼救郝涔嗄竟鄥擦止噙^渡帶日本落葉松( larixdaempferi )針葉純林華山松( pinusarmandii )針闊葉混交林天然闊葉落葉林的一系列生態(tài)恢復演替階段。
2. 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
   南方紅豆杉幼苗表現(xiàn)為較強的聚集分布，除與種子的散布有關外，生境條件的差異是重要原因之? ，其它發(fā)育階段表現(xiàn)為明顯的隨機分布，表明它在自然群落中分布的概率很小，反映了南方紅豆杉珍稀瀕危的生態(tài)生物學特性和特征。