1984
DOI: 10.2307/2413076
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A Comparison of Fourier Methods for the Description of Wing Shape in Mosquitoes (Diptera: Culicidae)

Abstract: Abstract.-Outlines of wings from 127 species of North American mosquitoes were digitized. Comparisons were made among several different methods of reducing the information in the resulting coordinates to a series of descriptors that could be used in multivariate analysis. Methods included Fourier analysis of both radii and tangent angle change functions. In addition, the relatively new method of elliptic Fourier analysis was tried. Cluster and ordination analyses based on the various sets of descriptors summar… Show more

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Cited by 469 publications
(403 citation statements)
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References 29 publications
(16 reference statements)
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“…These coefficients are commonly used as new variables to describe the shape (Kuhl and Giardina, 1982;Lestrel, 1989;Navarro et al, 2004). Normalisation of flanged axes was performed by the major axis of the first harmonic (Kuhl and Giardina, 1982;Rohlf and Archie, 1984;Furuta et al, 1995;Zhan and Wang, 2012), and coefficients were size-normalised, using the square root of the harmonic amplitudes. The first three coefficients of the first harmonic (A 1 , B 1 and C 1 ) become constants and can be ignored in further calculations.…”
Section: Extraction Of Morphological Datamentioning
confidence: 99%
“…These coefficients are commonly used as new variables to describe the shape (Kuhl and Giardina, 1982;Lestrel, 1989;Navarro et al, 2004). Normalisation of flanged axes was performed by the major axis of the first harmonic (Kuhl and Giardina, 1982;Rohlf and Archie, 1984;Furuta et al, 1995;Zhan and Wang, 2012), and coefficients were size-normalised, using the square root of the harmonic amplitudes. The first three coefficients of the first harmonic (A 1 , B 1 and C 1 ) become constants and can be ignored in further calculations.…”
Section: Extraction Of Morphological Datamentioning
confidence: 99%
“…No entanto, existe um problema na interpretação biológica gerada por esta análise, pois geralmente o primeiro componente principal (CP1) sempre irá representar o formato geral e os outros componentes principais explicarão qualquer outra característica que não seja algo relacionado à forma do objeto avaliado (KLINGENBERG, 1996;ADAMS;ROHLF;SLICE, 2004). Além disso, as informações obtidas por estes outros componentes principais não representam nenhuma forma interpretável, em particular, podendo a mesma não ser reificada (FOSTER;PODOS;HENDRY, 2007).…”
Section: Morfometria Geométricaunclassified
“…Esta técnica é uma abordagem relativamente recente que fornece uma descrição da forma utilizando coordenadas de referência (BOOKSTEIN, 1996;MITTEROECKER;GUNZ, 2009). Recentemente, tornou-se uma ferramenta de pesquisa importante para os evolucionistas e biólogos que estudam o desenvolvimento dos organismos, dentre outras áreas correlatas (KLINGENBERG, 2010;ADAMS;ROHLF;SLICE, 2013).…”
Section: Morfometria Geométricaunclassified
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