Species Association and Stand Structure Of Yellow Birch in Wisconsin
Abstract:Yellow birch displayed a wide-ranging bi-modal distribution pattern on the continuum index, inadequate within-stand regeneration where browsing was not limiting, and a dependance on disturbance for regeneration. The tendency toward strong aggregation in young stands and decreasing aggregation with stand development was considered an effect of an initial requirement for seedbed preparation with subsequent adjustment of spacing in competition. Yellow birch was considered to behave as a true gap phase species in Wisconsin. Its occurrence in quantity in any stand over a wide range of sites from wet to dry-mesic was considered more an indication of past disturbance than of any site characteristic. Gap phase behavior may be less pronounced in more easterly areas where climatic conditions are generally more favorable for seedling establishment.
Document Type: Journal Article
Affiliations: Faculty, Departments of Botany and Forestry, Univ. of Wisconsin
Publication date: 1965-09-01
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