Mating and breeding success decline with elevation for the Pacific Wren (Troglodytes pacificus) in coastal mountain forests.(Report): An article from: The Wilson Journal of Ornithology
Book Details
PublisherWilson Ornithological Society
ISBN / ASINB008FJZV66
ISBN-13978B008FJZV66
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This digital document is an article from The Wilson Journal of Ornithology, published by Wilson Ornithological Society on June 1, 2012. The length of the article is 4513 words. The page length shown above is based on a typical 300-word page. The article is delivered in HTML format and is available immediately after purchase. You can view it with any web browser.
From the author: We studied the population ecology of Pacific Wrens (Troglodytes pacificus) in 2003 and 2004 breeding across elevations from 100 to 1,300 m in coastal mountain forests in southwestern British Columbia, Canada to examine if this species is adapted to upper montane and subalpine habitats. We found fewer territories at high elevation, a higher proportion of unmated males, fewer nests per mated male, and no returns of banded adults or juveniles. The breeding season was 61% shorter (31 vs. 79 days), and mass of nestlings (at 11-12 days of age) and nest survival were lower at high elevation compared to lower elevation sites. Clutch size, incubation and nestling periods, parental provisioning rates of nestlings, and adult morphology did not vary with elevation. Annual fecundity measures declined with increasing elevation with no apparent compensatory increases in uther vital rates such as survival of adults or offspring. Received 27 October 2011. Accepted 23 December 2011.
Citation Details
Title: Mating and breeding success decline with elevation for the Pacific Wren (Troglodytes pacificus) in coastal mountain forests.(Report)
Author: Lesley J. Evans Ogden
Publication:The Wilson Journal of Ornithology (Magazine/Journal)
Date: June 1, 2012
Publisher: Wilson Ornithological Society
Volume: 124 Issue: 2 Page: 270(7)
Article Type: Report
Distributed by Gale, a part of Cengage Learning
From the author: We studied the population ecology of Pacific Wrens (Troglodytes pacificus) in 2003 and 2004 breeding across elevations from 100 to 1,300 m in coastal mountain forests in southwestern British Columbia, Canada to examine if this species is adapted to upper montane and subalpine habitats. We found fewer territories at high elevation, a higher proportion of unmated males, fewer nests per mated male, and no returns of banded adults or juveniles. The breeding season was 61% shorter (31 vs. 79 days), and mass of nestlings (at 11-12 days of age) and nest survival were lower at high elevation compared to lower elevation sites. Clutch size, incubation and nestling periods, parental provisioning rates of nestlings, and adult morphology did not vary with elevation. Annual fecundity measures declined with increasing elevation with no apparent compensatory increases in uther vital rates such as survival of adults or offspring. Received 27 October 2011. Accepted 23 December 2011.
Citation Details
Title: Mating and breeding success decline with elevation for the Pacific Wren (Troglodytes pacificus) in coastal mountain forests.(Report)
Author: Lesley J. Evans Ogden
Publication:The Wilson Journal of Ornithology (Magazine/Journal)
Date: June 1, 2012
Publisher: Wilson Ornithological Society
Volume: 124 Issue: 2 Page: 270(7)
Article Type: Report
Distributed by Gale, a part of Cengage Learning
