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Integrative Forest Management Guidelines

P3-A2 Advance regeneration in mature stands

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Maintaining advance regeneration can facilitate forest recovery following disturbance and reduce the need for planting or sowing. Silvicultural interventions can promote its establishment before harvesting and protect existing regeneration during harvesting operations.

Introduction

Advance regeneration refers to seedlings and saplings that become established beneath the forest canopy before harvesting or major disturbance. Maintaining advance regeneration in mature stands can facilitate forest recovery following natural disturbances and reduce the need for planting or sowing. Well-developed advance regeneration can also help maintain locally adapted genetic resources and contribute to structural and species diversity. However, its success depends on appropriate overstorey conditions, sufficient light for recruitment and growth, the availability of seed sources, suitable microsites, and effective control of browsing pressure. Silvicultural interventions should therefore promote the establishment of advance regeneration before harvesting and protect existing regeneration during harvesting operations.