The impact of deer browsing on Allegheny hardwood regeneration
作者： David A. Marquis
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摘要: To evaluate the impact of deer browsing on Allegheny hardwood regeneration, surveys were made vegetation inside and outside exclosures in 13 stands that had been clearcut 5 to 16 years earlier. The showed by white-tailed has resulted regeneration failures 25 40 percent areas studied. Pin cherry sugar maple species most severely reduced browsing, while beech, birch, striped sometimes increased proportion other subjected deer. also successful was obtained spite over half clearcuts Although not demonstrated here, research shown likely regenerate satisfactorily are those contain abundant advance regeneration. Data from this study, although limited, suggest 4- 5-year-old can be judged satisfactory if at least 60 6-foot-radius plots examined stocked with 2 desirable stems 3 feet tall, or 100 any size.
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