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Author Muheim, R.; Phillips, J.B.; Akesson, S.
Title Polarized light cues underlie compass calibration in migratory songbirds Type Journal Article
Year 2006 Publication Science (New York, N.Y.) Abbreviated Journal Science
Volume 313 Issue (up) 5788 Pages 837-839
Keywords Alaska; *Animal Migration; Animals; Calibration; Cues; *Flight, Animal; Geography; *Light; Magnetics; *Orientation; Seasons; Sparrows/*physiology; Sunlight
Abstract Migratory songbirds use the geomagnetic field, stars, the Sun, and polarized light patterns to determine their migratory direction. To prevent navigational errors, it is necessary to calibrate all of these compass systems to a common reference. We show that migratory Savannah sparrows use polarized light cues from the region of sky near the horizon to recalibrate the magnetic compass at both sunrise and sunset. We suggest that skylight polarization patterns are used to derive an absolute (i.e., geographic) directional system that provides the primary calibration reference for all of the compasses of migratory songbirds.
Address Department of Animal Ecology, Lund University, Ecology Building, SE-223 62 Lund, Sweden. rmuheim@vt.edu
Corporate Author Thesis
Publisher Place of Publication Editor
Language English Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0036-8075 ISBN Medium
Area Expedition Conference
Notes PMID:16902138 Approved no
Call Number IDA @ john @ Serial 243
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Author Fisher, N.A.
Title Reclaiming the „Dark Sky“. Type Journal Article
Year 2006 Publication Electrical Contracting Products Abbreviated Journal
Volume 9 Issue (up) 6 Pages 30–31
Keywords Energy; Lighting
Abstract
Address
Corporate Author Thesis
Publisher Place of Publication Editor
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ISSN ISBN Medium
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Notes Approved no
Call Number LoNNe @ kagoburian @ Serial 1036
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Author Stoffels, W.W.
Title Gravity's pull on arc lamp efficiency Type Journal Article
Year 2006 Publication Europhysics News Abbreviated Journal Europhysics News
Volume 37 Issue (up) 6 Pages 35-38
Keywords Lighting; physics; plasma; gravity; lighting technology; lighting physics; metal halide; hypergravity; microgravity
Abstract (none)
Address Eindhoven University of Technology, PO Box 513, 5600 MB Eindhoven, Netherlands; w.w.stoffels(at)tue.nl
Corporate Author Thesis
Publisher Place of Publication Editor
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0531-7479 ISBN Medium
Area Expedition Conference
Notes Approved no
Call Number IDA @ john @ Serial 1367
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Author Curtis, A.M.; FitzGerald, G.A.
Title Central and peripheral clocks in cardiovascular and metabolic function Type Journal Article
Year 2006 Publication Annals of Medicine Abbreviated Journal Ann Med
Volume 38 Issue (up) 8 Pages 552-559
Keywords Human Health
Abstract
Address
Corporate Author Thesis
Publisher Place of Publication Editor
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0785-3890 ISBN Medium
Area Expedition Conference
Notes Approved no
Call Number LoNNe @ kagoburian @ Serial 730
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Author Faraji, H.; MacLean, W.J.
Title CCD noise removal in digital images Type Journal Article
Year 2006 Publication IEEE Transactions on Image Processing Abbreviated Journal IEEE Trans. on Image Process.
Volume 15 Issue (up) 9 Pages 2676-2685
Keywords Remote Sensing
Abstract
Address
Corporate Author Thesis
Publisher Place of Publication Editor
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 1057-7149 ISBN Medium
Area Expedition Conference
Notes Approved no
Call Number LoNNe @ kagoburian @ Serial 935
Permanent link to this record