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The Potential of Girdled and 2,4-D-Injected Southern Red Oaks as Woodpecker Nesting and Foraging Sites

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Comparisons of extent of decay in southern red oaks (Quercus falcata Michx.) revealed that trees injected with 2,4-D decayed sooner than girdled trees. Internal examinations of treated trees revealed that girdling and injection permitted growth of heartwood- and sapwood-decaying fungi, a condition necessary for woodpecker nest cavity excavation. As a result of the delayed decay, girdling produces better woodpecker habitat in southern red oak. Girdled southern red oaks remain standing longer for woodpeckers to use as foraging and nesting sites. Numbers of snags required to support various percentages of woodpecker population maximums are presented.

Document Type: Journal Article

Affiliations: Assistant Professor of Forest Entomology, School of Forestry, Stephen F. Austin State University, Nacogdoches, Texas 75962

Publication date: 1983-08-01

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  • Each regional journal of applied forestry focuses on research, practice, and techniques targeted to foresters and allied professionals in specific regions of the United States and Canada. The Southern Journal of Applied Forestry covers an area from Virginia and Kentucky south to as far west as Oklahoma and east Texas.
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