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dc.contributor.author Lee, Sang Im -
dc.contributor.author Choi, Hae Cheon -
dc.date.available 2018-02-05T04:12:58Z -
dc.date.created 2018-01-01 -
dc.date.issued 2017-01 -
dc.identifier.citation Animal Cells and Systems, v.21, no.1, pp.63 - 69 -
dc.identifier.issn 1976-8354 -
dc.identifier.uri http://hdl.handle.net/20.500.11750/5661 -
dc.description.abstract The alula is a small structure present on the leading edge of bird wings and is known to enhance lift by creating a small vortex at its tip. Alula size vary among birds, but how this variation is associated with the function of the alula remains unclear. In this study, we investigated the relationship between the size and shape of the alula and the features of the wing in the Laridae and Sternidae. Laridae birds have generally longer wings and greater loadings than Sternidae birds.
The two families differed in the relationships between body size or wing length and the size or shape of the alula. In the Laridae, the aspect ratio of the alula was smaller in the species that have relatively longer wings, but the pattern was opposite in the Sternidae. The aspect ratio of the alula was greater in the species that are relatively heavier in the Sternidae but not in the Laridae. Combined, these results suggest that the species with high loading potential and long wings exhibit long alula. We hypothesize that heavier species may benefit from having longer alula if they perform flights with higher attack angles than lighter species, as longer alula would better suppress flow separation at higher attack angles. Our results suggest that the size and shape of the alula can be explained in one allometric landscape defined by wing length and loading in these two closely related families of birds with similar wing shapes.
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dc.language English -
dc.publisher 한국통합생물학회 -
dc.title Characteristics of the alula in relation to wing and body size in the Laridae and Sternidae -
dc.type Article -
dc.identifier.doi 10.1080/19768354.2016.1266287 -
dc.identifier.wosid 000396557700009 -
dc.identifier.scopusid 2-s2.0-85006320093 -
dc.type.local Article(Overseas) -
dc.type.rims ART -
dc.description.journalClass 1 -
dc.citation.publicationname Animal Cells and Systems -
dc.identifier.kciid ART002197259 -
dc.contributor.nonIdAuthor Choi, Hae Cheon -
dc.identifier.citationVolume 21 -
dc.identifier.citationNumber 1 -
dc.identifier.citationStartPage 63 -
dc.identifier.citationEndPage 69 -
dc.identifier.citationTitle Animal Cells and Systems -
dc.type.journalArticle Article -
dc.description.isOpenAccess Y -
dc.contributor.affiliatedAuthor Lee, Sang Im -
dc.contributor.affiliatedAuthor Choi, Hae Cheon -
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Department of New Biology Lab of Integrative Animal Ecology 1. Journal Articles

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