作者: G. H. Stewart , G. H. Stewart
DOI: 10.1007/BF00047391
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摘要: Natural disturbances, especially fire and treefalls, influence tree canopy composition in the Pseudotsuga menziesii forests of western Cascade Range, Oregon. The tree, shrub, herb assemblages understorey stands with different types, such as maturing Pseudotsuga, Tsuga heterophylla, or mixed species stands, also differs.