Implications of selected approaches for regenerating and managing western boreal mixedwoods

Abstract
We describe a range of approaches for managing boreal mixedwood stands composed of trembling aspen (Populus tremuloides Michx.) and white spruce (Picea glauca (Moench) Voss) in British Columbia and Alberta. Successful management of these complex forests requires a combination of well-defined objectives at the landscape level and flexible planning at the stand level. A variety of management strategies must be applied concurrently across the landscape to ensure that the natural mix of forest types and structural diversity is maintained. Selected approaches are discussed with regard to their suitability to particular stand conditions and sets of objectives, the types of tending and harvesting activities required, expected outcomes, and costs. The three approaches discussed are: 1) creation and management of two-storied intimate mixtures; 2) creation of a single-storied mixture of aspen and white spruce; and, 3) creation of a mosaic of discrete patches of each species. Key words: boreal mixedwood management, mixedwood silvicultural systems, aspen, white spruce, planning

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