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The diet of reservoir perch before, during and after establishment of non-native tubenose goby
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SYSNO ASEP 0486016 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title The diet of reservoir perch before, during and after establishment of non-native tubenose goby Author(s) Všetičková, Lucie (UBO-W) RID, SAI
Mikl, Libor (UBO-W) SAI, ORCID
Adámek, Zdeněk (UBO-W) RID, SAI, ORCID
Prášek, Václav (UBO-W) SAI
Roche, Kevin Francis (UBO-W) RID, SAI
Jurajda, Pavel (UBO-W) RID, SAI, ORCIDNumber of authors 6 Article number 4 Source Title Knowledge and Management of Aquatic Ecosystems. - : EDP Sciences - ISSN 1961-9502
Roč. 419, č. 419 (2018)Number of pages 8 s. Language eng - English Country FR - France Keywords dietary shift ; food preference ; Gobiidae ; invasive species ; Perca fluviatilis ; piscivore diet Subject RIV EG - Zoology OECD category Marine biology, freshwater biology, limnology R&D Projects GBP505/12/G112 GA ČR - Czech Science Foundation (CSF) Method of publishing Open access Institutional support UBO-W - RVO:68081766 UT WOS 000424440900002 EID SCOPUS 85041559433 DOI 10.1051/kmae/2017052 Annotation In recent decades, gobiid species have increased their distribution throughout Europe and now often represent the dominant genus along many rivers and canals. In this study, we assessed the role of tubenose goby (Proterorhinus semilunaris) as a prey species of native perch (Perca fluviatilis) in a lowland reservoir soon after their initial introduction in 1994 (sampling started 1998) and 17 years after establishment (2011–2012). We compare these data with perch diet composition from before introduction (1981–1982). Our data indicate that tubenose gobies quickly became the dominant species along the reservoir bankside, making them an attractive prey for ≥1 + perch. There was a clear increasing trend in the numbers of larger perch caught along the rip-rap, with the largest fish clearly specialising on gobies. As such, introduction of tubenose gobies has had a pronounced effect on food web and population dynamics along the littoral zone. While goby numbers appear to have dropped significantly in recent years, apparently due to predation pressure, further studies are needed to assess whether such changes have had any general impact on population and food web dynamics within the reservoir. Workplace Institute of Vertebrate Biology Contact Hana Slabáková, slabakova@ivb.cz, Tel.: 543 422 524 Year of Publishing 2019 Electronic address https://www.kmae-journal.org/articles/kmae/abs/2018/01/kmae170103/kmae170103.html
Number of the records: 1