The proportion of middle timbers in wind broken trees isrespectively: 87.3% in larch-birch forests, 67% in larch-alder forests, 59% in larch forestswith ledum and 75% in larch forests with brushes.
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释义
可见,不论何种林型,掘根倒木以大径木为主,风折倒木以中径木为主。丛桦林风折木中,中径木占的比例是87.;3%25,赤杨林的此一比例为67%25,杜香林为59%25,草类林为75%25。
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