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Integrative Forest Management Guidelines

P5. Promoting tree species variation and genetic diversity

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Promoting tree species variation and genetic diversity strengthens the resilience, stability, and adaptive capacity of forest ecosystems. Mixed-species forests can improve resource use, reduce risks associated with pests and diseases, and enhance the capacity of forests to adapt to climate change. 

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P5-A1 Establishing diverse tree species mixtures

Establishing diverse tree species mixtures requires considering species compatibility, site conditions, regeneration methods, microsite availability, advance regeneration, and browsing pressure.

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P5-A2 Maintaining tree species diversity

Active management can maintain tree species diversity in mixed stands by regulating competition and promoting rare or less competitive species.

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P5-A3 Promoting minority tree species

Past management has reduced the abundance of some minority tree species. Promoting these species requires an understanding of their ecological requirements.