Forested alluvial and colluvial fans can be runout zones for debris flows and debris floods, and are subject to floods. Forest management activities on areas of fans with this hydrogeomorphic activity can exacerbate the effects of these events and lead to substantial damage to infrastructure such as roads and bridges, productive forest sites, and fish habitat. This handbook presents a six-step hazard recognition scheme that enables forest practitioners to prepare appropriate strategies and prescriptions. The six steps are: fan identification in an operating area, pretyping watersheds, aerial photograph interpretation, fieldwork, prescription development, and monitoring. The scheme is applicable to forested fans throughout British Columbia.
Wilford, D.J., Sakals, M.E.; Innes, J.L.. 2007. Forest Management on Fans: Hydrogeomorphic Hazards and General Prescriptions. British Columbia Ministry of Forests, Lands, Natural Resource Operations and Rural Development. Land Management Handbook (FLNRORD). LMH57
Topic: FLNRORD Research Program
Keywords: Erosion, Mass, Wasting, Landslides
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