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The diet of Eurasian perch larvae in lakes with different zooplankton assemblages

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dc.contributor.authorZingel, Priit
dc.contributor.authorAgasild, Helen
dc.contributor.authorZagars, Matiss
dc.contributor.authorFeldmann, Tõnu
dc.contributor.authorTuvikene, Arvo
dc.contributor.authorZingel, Tiina
dc.contributor.authorPuncule, Linda
dc.contributor.authorKarus, Katrit
dc.contributor.departmentCentre for Limnology. Institute of Agricultural and Environmental Sciences. Chair of Hydrobiology and Fishery. Estonian University of Life Scienceseng
dc.date.accessioned2023-08-28T10:54:52Z
dc.date.available2023-08-28T10:54:52Z
dc.date.issued2023
dc.description.abstractEurasian perch has a great ecological importance in freshwaters as it is often a dominating predatory fish in ecosystems. The knowledge of perch feeding patterns, strategies, and adaptivity to food environment in their early life stages is essential to understand its population development and dynamics. It has been demonstrated that there exists a positive relationships between preferred prey availability and larval feeding success. We examined the diet of larval perch in their natural habitats of different zooplankton assemblages in three small lakes with varying ecological status. In each lake, both pelagial and littoral were studied. We found significant relation between zooplankton biomass in the lake and zooplankton biomass consumed by fish larvae. The most important food objects were crus- taceans (Bosmina longirostris, Chydorus sphaericus). Ciliates were consumed only in one lake. Our results show that perch larvae are flexible in their choice of food and can adapt to different food environments.eng
dc.description.abstractThe research is a part of the project "Fish feeding conditions in lakes with different planktonic food web structure and macrovegetation (MICROFISH)", No.1.1.1.2/VIAA/1/18/301. Agreement with State Educa- tion Development Agency of the Republic of Latvia No. Programme number 1.1.1.2/16/I/001. The project is financed by the European Regional Development Fund, the State budget of the Republic of Latvia and the foundation "Insti- tute for Environmental Solutions". Funding of this project was also provided by the European Union's Horizon 2020 research and innovation programme under grant agreement No 951963. Our great thanks to Nicholas Anthony Heredia from Latvian Institute of Aquatic Ecology who checked English.eng
dc.description.sponsorshipThe research is a part of the project "Fish feeding conditions in lakes with different planktonic food web structure and macrovegetation (MICROFISH)", No.1.1.1.2/VIAA/1/18/301. Agreement with State Educa- tion Development Agency of the Republic of Latvia No. Programme number 1.1.1.2/16/I/001. The project is financed by the European Regional Development Fund, the State budget of the Republic of Latvia and the foundation "Insti- tute for Environmental Solutions". Funding of this project was also provided by the European Union's Horizon 2020 research and innovation programme under grant agreement No 951963. Our great thanks to Nicholas Anthony Heredia from Latvian Institute of Aquatic Ecology who checked English.eng
dc.identifier.issn1797-2469
dc.identifier.publicationBoreal Environment Research, 2023, 28, 1881-193eng
dc.identifier.urihttp://hdl.handle.net/10492/8581
dc.relationinfo:eu-repo/grantAgreement/EC/H2020/951963/EU/TREICLAKEeng
dc.rightsCreative Commons Attribution 4.0 International License CC BY 4.0eng
dc.rightsinfo:eu-repo/semantics/openAccesseng
dc.rights.urihttp://creativecommons.org/licenses/by/4.0eng
dc.subjectEurasian percheng
dc.subjectlarvaeseng
dc.subjectzooplanktoneng
dc.subjectlakeseng
dc.subjectarticleseng
dc.titleThe diet of Eurasian perch larvae in lakes with different zooplankton assemblageseng
dc.typeinfo:eu-repo/semantics/articleeng

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