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。