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This document delves into the critical aspects of aspen silviculture, addressing the increasing complexity of managing aspen forests due to greater utilization and evolving approaches to mixedwood management. The authors review the mechanisms of aspen regeneration, both through root suckering and seeds, and offer preliminary guidelines for managing the density of aspen stands in their early development. The paper aims to synthesize existing knowledge and identify knowledge gaps to better inform management decisions aimed at achieving various forest composition objectives.

This technical report explores silvicultural systems for managing deciduous and mixedwood stands that contain a white spruce understory in southwestern Alberta. The primary purpose of the document is to explain different management options and harvesting techniques that protect this understory, particularly focusing on a two-stage harvesting model for sustainable production of both conifer and hardwood. It emphasizes evaluating stand suitability, site conditions, and wind damage risk to ensure successful regeneration and growth of spruce and aspen and addresses the complexities of balancing timber yield with ecosystem health and biodiversity.