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Grey-Headed Juncos Important in First Season Mortality of Engelmann Spruce

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Gray-headed juncos clip attached seed-coats from newly germinated Engelmann spruce seedlings. In a five-year study, these birds clipped 20 percent of the seedlings and were the second leading cause of first-season mortality in clearcut openings.

Document Type: Journal Article

Affiliations: Research Technician, Rocky Mountain Forest and Range Experiment Station, U.S. Dept. Agriculture, Forest Service, Fort Collins, Colo., in cooperation with Colorado State University

Publication date: December 1, 1973

More about this publication?
  • The Journal of Forestry is the most widely circulated scholarly forestry journal in the world. In print since 1902, the Journal has received several national awards for excellence. The mission of the Journal of Forestry is to advance the profession of forestry by keeping forest management professionals informed about significant developments and ideas in the many facets of forestry: economics, education and communication, entomology and pathology, fire, forest ecology, geospatial technologies, history, international forestry, measurements, policy, recreation, silviculture, social sciences, soils and hydrology, urban and community forestry, utilization and engineering, and wildlife management. The Journal is published bimonthly: January, March, May, July, September, and November.
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