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Appears in Collections:Aquaculture Journal Articles
Peer Review Status: Refereed
Title: To glue or not to glue? Reassembling broken otoliths for population discrimination
Author(s): Bardarson, Hlynur
McAdam, Bruce James
Petursdottir, Groa
Marteinsdottir, Gudrun
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Keywords: cluster analysis
Fourier analysis
otolith archives
shape measurements
Issue Date: May-2014
Date Deposited: 6-May-2014
Citation: Bardarson H, McAdam BJ, Petursdottir G & Marteinsdottir G (2014) To glue or not to glue? Reassembling broken otoliths for population discrimination. Journal of Fish Biology, 84 (5), pp. 1626-1633.
Abstract: Twenty-five Atlantic cod Gadus morhua otoliths were examined using eight shape measurements along with Fourier analysis of their outlines to test whether discrimination using otolith shape is affected by gluing broken otoliths. Small differences in seven of the eight shape measurements were found between unbroken otoliths and the same otoliths after breaking and subsequently gluing together; however, none of the Fourier descriptors differed. Cluster analyses indicated that resultant morphological differences will have no impact when applying discriminant analysis.
DOI Link: 10.1111/jfb.12390
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