2022
DOI: 10.3897/aiep.52.78215
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Diet seasonality and food overlap of Perca fluviatilis (Actinopterygii: Perciformes: Percidae) and Rutilus rutilus (Actinopterygii: Cypriniformes: Cyprinidae) juveniles: A case study on Bovan Reservoir, Serbia

Abstract: European perch, Perca fluviatilis Linnaeus, 1758 and roach, Rutilus rutilus (Linnaeus, 1758) are the most common species present in mesotrophic and eutrophic lakes throughout Europe. Their biomass, especially in juvenile stages, contributes the most to the fish production of these ecosystems. In Bovan Reservoir, these two species constitute the bulk of the juvenile fish biomass. This study aimed to investigate the feeding composition of these two species in order to evaluate their niche overlap due to the avai… Show more

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Cited by 3 publications
(4 citation statements)
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“…Juvenile roach primarily feed on zooplankton [67,70,72,73]. Our findings support this statement, with the exception of the roach from the oligotrophic Vlasina Reservoir.…”
Section: Discussionsupporting
confidence: 85%
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“…Juvenile roach primarily feed on zooplankton [67,70,72,73]. Our findings support this statement, with the exception of the roach from the oligotrophic Vlasina Reservoir.…”
Section: Discussionsupporting
confidence: 85%
“…Opting to standardize the data, whether representing the digestive tract content "coarsely" or in detail, poses the risk of losing information about a substantial portion of the digestive tract content [88,89] and may introduce methodological errors [59]. Consequently, self-organizing maps prove beneficial in the analysis of fish feeding [73], as they adeptly handle nonlinear variables interconnected in complex ways, whether exhibiting normal or skewed distributions [57,59]. Despite their prevalence in biocenology, self-organizing maps and the IndVal index have been utilized sparingly in ecological studies focused on fish feeding [58,59,73].…”
Section: Discussionmentioning
confidence: 99%
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