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Start of egg-laying in relation to latitude and elevation among Swedish Starlings Sturnus vulgaris in 1988-2003

Svensson, Sören LU (2004) In Ornis Svecica 14(4). p.143-149
Abstract
The Starlings Sturnus vulgaris breeding in sixteen nest-box groups, three in northern and thirteen in southern Sweden, were monitored in 1988-2003. Date of the first egg was found to correlate with both latitude and elevation when all sites were included (13 degrees of latitude; 5-430 m elevation). Restricting the analysis to only the south Swedish sites (4 degrees of latitude; 5-230 m elevation), only elevation had any effect. The absence of an effect of latitude in southern Sweden is interpreted as an effect of the large-scale Atlantic low-pressure systems that rapidly pass Sweden and bring mild spring weather to that whole area almost simultaneously, making local climate as determined by elevation more important than effects of... (More)
The Starlings Sturnus vulgaris breeding in sixteen nest-box groups, three in northern and thirteen in southern Sweden, were monitored in 1988-2003. Date of the first egg was found to correlate with both latitude and elevation when all sites were included (13 degrees of latitude; 5-430 m elevation). Restricting the analysis to only the south Swedish sites (4 degrees of latitude; 5-230 m elevation), only elevation had any effect. The absence of an effect of latitude in southern Sweden is interpreted as an effect of the large-scale Atlantic low-pressure systems that rapidly pass Sweden and bring mild spring weather to that whole area almost simultaneously, making local climate as determined by elevation more important than effects of latitude. Onset of laying at the sites in northern Sweden did not differ with more than two days in spite of one site being at the coast and the other two in mountain valleys at 380 and 430 m, possibly because the western birds winter at the Norwegian coast only c. 70 km away. (Less)
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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Ornis Svecica
volume
14
issue
4
pages
143 - 149
publisher
Sveriges Ornitologiska Förening
external identifiers
  • scopus:10344262055
ISSN
1102-6812
language
English
LU publication?
yes
id
4e62e447-b69d-467b-94b8-9f7545c257ac (old id 153144)
date added to LUP
2007-06-25 14:01:39
date last changed
2017-01-01 06:55:02
@article{4e62e447-b69d-467b-94b8-9f7545c257ac,
  abstract     = {The Starlings Sturnus vulgaris breeding in sixteen nest-box groups, three in northern and thirteen in southern Sweden, were monitored in 1988-2003. Date of the first egg was found to correlate with both latitude and elevation when all sites were included (13 degrees of latitude; 5-430 m elevation). Restricting the analysis to only the south Swedish sites (4 degrees of latitude; 5-230 m elevation), only elevation had any effect. The absence of an effect of latitude in southern Sweden is interpreted as an effect of the large-scale Atlantic low-pressure systems that rapidly pass Sweden and bring mild spring weather to that whole area almost simultaneously, making local climate as determined by elevation more important than effects of latitude. Onset of laying at the sites in northern Sweden did not differ with more than two days in spite of one site being at the coast and the other two in mountain valleys at 380 and 430 m, possibly because the western birds winter at the Norwegian coast only c. 70 km away.},
  author       = {Svensson, Sören},
  issn         = {1102-6812},
  language     = {eng},
  number       = {4},
  pages        = {143--149},
  publisher    = {Sveriges Ornitologiska Förening},
  series       = {Ornis Svecica},
  title        = {Start of egg-laying in relation to latitude and elevation among Swedish Starlings Sturnus vulgaris in 1988-2003},
  volume       = {14},
  year         = {2004},
}