Effects of forest stand structure and composition on red-breasted nuthatches and brown creepers
Article Abstract:
A study of habitat requirement and foraging behavior of brown creepers (Certhia americana) and red-breasted nuthatches (Sitta canadensis) in eight forest stands on the western slope of the Sierra Nevada reveals that the birds used forest stands which had a variety of tree species. The foraging behavior of the two species varies with seasonal changes. Nuthatches prefer black oak trees and use tree trunks to forage, while brown creepers like incense cedar trees. There is no correlation between the foraging behavior of birds and the anthropod density. Forests should have a variety of stand structure and trees species to suit the habitat requirements of creepers and nuthatches.
Publication Name: The Journal of Wildlife Management
Subject: Zoology and wildlife conservation
ISSN: 0022-541X
Year: 1993
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Translocation as a nonlethal alternative for managing California ground squirrels
Article Abstract:
Translocation is increasingly being advocated as a nonlethal management alternative for species, particularly mammals. The efficiency of translocation was evaluated based on the trapability, site fidelity, post release survival and homing ability of California ground squirrels. The survival rate until 18 days after translocation was 71-79%, with mortality highest soon after release. 85% established new home ranges, but homing success was lower with translocation distance. Translocation is probably not suitable for squirrel control over large areas, but has potential for use in smaller areas.
Publication Name: The Journal of Wildlife Management
Subject: Zoology and wildlife conservation
ISSN: 0022-541X
Year: 1997
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Effect of firewood harvesting on birds in a California oak-pine woodland
Article Abstract:
Oak woodlands in California have historically been cleared and thinned, but little is known about the effect of such harvesting on wildlife. A new study investigates the effect of firewood harvesting on birds in the oak-pine woodlands on the foothills of the northern Sierra Nevada. It is shown that the harvest increased the proportion of trees in old growth and noncommercial categories while reducing canopy cover and basal area. There appears to be little short-term negative effect on the populations of more common birds.
Publication Name: The Journal of Wildlife Management
Subject: Zoology and wildlife conservation
ISSN: 0022-541X
Year: 1998
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