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通过分析53块样地的调查材料,系统地论述了杉木人工林林下植被与林分及立地的关系,表明杉木人工林林下植被具有较强的指示作用,林下植被类型和指示种均可作为杉木人工林立地分类及评价的依据之一。但林下植被的指示性具有一定的局限性,只有当林下植被发育到一定阶段才有较好的指示能力,而且其外延性较差,林下植被指示作用的调查结果不能无限外推。
By analyzing the survey data of 53 plots, the relationship between undergrowth vegetation of Chinese fir plantation and stand and site was systematically discussed, which indicated that understory vegetation of Cunninghamia lanceolata plantation had a strong indication of the type of understory vegetation and indicator species It can be used as one of the bases for site classification and evaluation of Cunninghamia lanceolata plantation. However, the indicator of understory vegetation has its own limitations. Only when the understory vegetation develops to a certain stage has better indication ability, and its ductility is poor. The survey result of the indicator function of understory vegetation can not be extrapolated indefinitely.