Bird exclosures for branches and whole trees.

Robert W. Campbell; Torolf R. Torgersen; Steven C. Forrest; Lorna C. Youngs

doi:10.2737/PNW-GTR-125

Treesearch

Bird exclosures for branches and whole trees.

Informally Refereed

Authors:

Robert W. Campbell, Torolf R. Torgersen, Steven C. Forrest, Lorna C. Youngs

Year:

1981

Type:

General Technical Report

Station:

Pacific Northwest Research Station

DOI:

https://doi.org/10.2737/PNW-GTR-125

Source:

Gen. Tech. Rep. PNW-GTR-125. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 10 p.

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Download (PDF 541 KB): https://research.fs.usda.gov/download/treesearch/7520.pdf

Abstract

Two types of lightweight, portable bird exclosures are described. One is for individual branches or branch tips; the other is for whole trees up to 9 m tall. Several alternative configurations and uses of these exclosures are discussed.

Keywords

Birds, exclosures, defoliation damage, insect populations

Citation

Campbell, Robert W.; Torgersen, Torolf R.; Forrest, Steven C.; Youngs, Lorna C. 1981. Bird exclosures for branches and whole trees. Gen. Tech. Rep. PNW-GTR-125. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station. 10 p.