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Creating snags and wildlife trees in commercial forest landscapes


Western Journal of Applied Forestry 13(3): 97-101, July
Creating snags and wildlife trees in commercial forest landscapes
Conversion of original older forests to second-growth stands has resulted in the loss of snag and wildlife tree habitat in the Pacific Northwest. Because many species require these habitat features, habitat managers have attempted to create snags and wildlife trees. From written contracts and contractor interviews, I summarized information about currently used snag and wildlife tree creation techniques including operation specifications, cost-effectiveness, safety considerations, and numbers of trees created. Removing the top of a tree with a chainsaw (apprxdollar sign35 per tree) or explosives (apprxdollar sign45 per tree) was commonly used to create snags and wildlife trees. Girdling in or near the base of the crown (dollar sign20-30 pertree) has also been used extensively. Cavity creation (dollar sign34-50per tree), fungal inoculation (dollar sign23-33 per tree), and limbing (dollar sign32 per tree) have been used to create or enhance snags and wildlife trees and cost less when used in conjunction with topping or girdling. These techniques have shown some success at providing suitable habitat for cavity- and snag-using wildlife; however, they have been used with the assumption that they will be successful. More in-depth research and monitoring are required to assess their effectiveness at meeting wildlife-habitat and forestry objectives.

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Accession: 003395176



Related references

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