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Traveling around Cape Horn: Otolith chemistry reveals a mixed stock of Patagonian hoki with separate Atlantic and Pacific spawning grounds

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Traveling around Cape Horn: Otolith chemistry reveals a mixed stock of Patagonian hoki with separate Atlantic and Pacific spawning grounds; 2010; Article; Journal; Fisheries Research; Schuchert, P. C.; Arkhipkin, A. I.; Koenig, A. E.

Summary

Trace element fingerprints of edge and core regions in otoliths from 260 specimens of Patagonian hoki, Macruronus magellanicus L??nnberg, 1907, were analyzed by LA-ICPMS to reveal whether this species forms one or more population units (stocks) in the Southern Oceans. Fish were caught on their spawning grounds in Chile and feeding grounds in Chile and the Falkland Islands. Univariate and multivariate analyses of trace element concentrations in the otolith edges, which relate to the adult life of fish, could not distinguish between Atlantic (Falkland) and Pacific (Chile) hoki. Cluster analyses of element concentrations in the otolith edges produced three different clusters in all sample areas indicating high mixture of the stocks. Cluster [...]

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Type Scheme Key
local-index unknown 70034192
local-pk unknown 70034192
doi http://www.loc.gov/standards/mods/mods-outline-3-5.html#identifier doi:10.1016/j.fishres.2009.10.012
series unknown Fisheries Research

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citationTypeArticle
journalFisheries Research
languageEnglish
parts
typevolume
value102
typeissue
value1-2

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