Prescribed fire and conifer removal promote positive understorey vegetation responses in oak woodlands

摘要

1. Fire-prone woodlands and savannas world-wide face management challenges resulting from fire exclusion and subsequent encroachment of fire sensitivetrees. In the Pacific Northwest (USA), Quercus garryana oak woodlands and savannas are threatened by encroachment from the native conifer Pseudotsuga menziesii in the absence of fire.