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The influence of macrophytes on the feeding of fish larvae in a shallow brackish sea

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dc.contributor.authorZingel, Priit
dc.contributor.authorKarus, Katrit
dc.contributor.authorAgasild, Helen
dc.contributor.authorNõges, Tiina
dc.contributor.departmentCentre for Limnology. Institute of Agricultural and Environmental Researcheng
dc.date.accessioned2023-01-06T07:21:15Z
dc.date.available2023-01-06T07:21:15Z
dc.date.issued2019
dc.description.abstractWe studied the impact of the macrophyte stands on the feeding of fish larvae, paying special attention to feeding on ciliates. Generally, the importance of ciliates as larval food has been overlooked or underestimated. Based on our earlier observations we hypothesized that the consumption of ciliates by fish larvae is higher in vegetated areas. Studies were carried out in a shallow Väinameri Sea (semi-enclosed Baltic Sea basin). Fish were sampled over 3 years (2011−2013). We examined larval diet by gut segmentation and epifluorescence microscopy. The study revealed that: (1) larval food intake and condition factors were generally higher in vegetated areas; (2) ciliates represented a very important food source for larval fish; (3) in vegetated areas larval fish consumed more ciliates than in open water areas; (4) larvae of piscivorous fish species tended to catch larger prey items. In general our study suggests that larval growth may be better secured in vegetated areas.eng
dc.description.abstractThis work was subsidised by institutional research funding of the Estonian Ministry of Education and Research (IUT 21-02, 2014–2018), Estonian Science Foundation grants (8511, (2010−2013); 8969, (2011–2014); 9102 (2012–2015)) and Swiss Grant for Programme “Enhancing public environmental monitoring capacities” (2012–2015). The data used are listed in the references, figures and tables.eng
dc.description.sponsorshipThis work was subsidised by institutional research funding of the Estonian Ministry of Education and Research (IUT 21-02, 2014–2018), Estonian Science Foundation grants (8511, (2010−2013); 8969, (2011–2014); 9102 (2012–2015)) and Swiss Grant for Programme “Enhancing public environmental monitoring capacities” (2012–2015). The data used are listed in the references, figures and tables.eng
dc.identifier.issn0924-7963
dc.identifier.publicationJournal of Marine Systems 189 (2019) 127–136eng
dc.identifier.urihttp://hdl.handle.net/10492/7926
dc.identifier.urihttps://dx.doi.org/10.1016/j.jmarsys.2018.11.001
dc.publisherElsevier
dc.rights© 2018 Elsevier B.V. All rights reserved.eng
dc.subjectciliateseng
dc.subjectlarval fish dieteng
dc.subjectpredationeng
dc.subjectaquatic plantseng
dc.subjecthabitatseng
dc.subjectbrackishwater environmenteng
dc.subjectarticleseng
dc.titleThe influence of macrophytes on the feeding of fish larvae in a shallow brackish seaeng
dc.typeArticleeng
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