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Klaus Puettmann Edmund Hayes Professor in Silviculture Alternatives Moving “Beyond The Label” May Lead To Wider Applications Of Uneven-aged Management.

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Presentation on theme: "Klaus Puettmann Edmund Hayes Professor in Silviculture Alternatives Moving “Beyond The Label” May Lead To Wider Applications Of Uneven-aged Management."— Presentation transcript:

1 Klaus Puettmann Edmund Hayes Professor in Silviculture Alternatives Moving “Beyond The Label” May Lead To Wider Applications Of Uneven-aged Management (alternative silviculture)

2 Lindenmayer et al. 2012 ConsLet Opportunities for alternative silviculture

3 Gobal distribution of “primary designated functions”

4 World map by www.freeworldmaps.net Ecological forestry Continuous cover Nature oriented Close-to- nature Reduced Impact logging Variable retention Ecosystem management Systemic Silviculture Natural Disturbance-based managemen t Retention forestry Global Scale of Alternatives

5 Partial harvest Small- scale variability Avoid intensive operations Natural regeneration Mixed species Five Principles of Alternative Silviculture

6 Hurdles to Overcome Ecology Economics Logistics Education (Information) Culture (History)

7 Partial Harvest - Retention Ecological Scale - natural disturbances Economics Penalty for large tree size Interest rate Logistics Labor (marking trees) Machines Education Culture “ Imprinting” or “knowledge lock-in”

8 Small-scale Variability Ecology Fire ladder Diseases Economics Wood quality/branch size Logistics Machines Inventory/planning Education Culture Stand layout

9 Avoid Intensive Operations Ecology Competitive understory Tree quality and stability Economics Yield/quality reduction Logistics Education Information about natural development Culture

10 Natural Regeneration Ecology Species mixture Assisted migration Economics Variable success Logistics Monitoring Education Information about establishment and growth, release potential Culture Reforestation laws

11 Mixed Species Ecology Response to disturbances Economics Wood value Logistics Market access Education Competitive relationships Culture Reforestation laws

12 Flexibility to accommodate local conditions – Relative importance of principles Focus on outcomes – Not necessarily principles or structures – Ecosystem services “Babysteps” Benefit of a conceptual, scientific framework (Complex adaptive system?) Moving “Beyond The Label”

13 Acknowledgements: Drs. Baker, Australia; Bauhus, Germany; Donoso, Chile; Droessler, Scandinavia, Girma, Ethiopia; Harvey, Canada; Nocentini, Italy, Wilson, Great Britain; Yuanchang, China, and Yosihda, Japan. Discussions with numerous colleagues and students. Thank you for your attentions ! Questions and Comments?

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