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Title

The effect of temperature gradients and stomach fullness on the vertical distribution of larval herring in experimental columns

AuthorsCatalán, Ignacio Alberto ; Vollset, K. W.; Morales-Nin, Beatriz ; Folkvord, Arild
Issue Date2011
PublisherElsevier
CitationJournal of Experimental Marine Biology and Ecology 404: 26- 32 (2011)
AbstractLarval vertical distribution can be a result of various interacting extrinsic and intrinsic factors. Here, we explore potential interactions between thermal stratification and stomach fullness in the behavioural response of larval Atlantic herring (Clupea harengus). We use a factorial design based on an experimental columns system to observe larval herring at four different ages (17, 31, 38 and 45. days post hatch [dph]), in isothermal and stratified water and with two prior feeding conditions (fed and unfed). Light was applied above or below the columns to attract the larvae. While the light direction was alternated, the larvae were observed in the columns. Older larvae were more likely to be observed in the lower part of the column, and all larvae were more likely to be observed in the lower part of the column when there was no thermocline and light was directed from above. However, when light was directed from below, there was no such effect. Prior feeding conditions had no effect on the distribution. We discuss our results in light of field observations of vertical migration. © 2011 Elsevier B.V.
DescriptionReferred to by: I.A. Catalán, K.W. Vollset, B. Morales-Nin, A. Folkvord Corrigendum to “The effect of temperature gradients and stomach fullness on the vertical distribution of larval herring in experimental columns” [J. Exp. Mar. Biol. Ecol. 404 (2011) 26–32] Journal of Experimental Marine Biology and Ecology, Volumes 420–421, 1 June 2012, Page 99
URIhttp://hdl.handle.net/10261/59262
DOI10.1016/j.jembe.2011.05.005
Identifiersdoi: 10.1016/j.jembe.2011.05.005
issn: 0022-0981
Appears in Collections:(IMEDEA) Artículos
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