Asijský cyprinid, střevlička východní (Pseudorasbora parva) dominovala v potravě dravých ryb

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60076658%3A12610%2F07%3A00007871" target="_blank" >RIV/60076658:12610/07:00007871 - isvavai.cz</a>

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Piscivorous fishes diet dominated by Asian cyprinid invader topmouth gudgeon, Pseudorasbora parva

Popis výsledku v původním jazyce

Predation on non-native cyprinid, Pseudorasbora parva, was reported during annual study in a small connecting canal about 40 km south of Brno, Czech Republic. Two cyprinid fish species (Pseudorasbora parva, and Rutilus rutilus) were identified in the diet of 23 piscivores belonging to three native fishes (Perca fluviatilis, Sander lucioperca, and Esox lucius). In environment, relative abundance of prey fishes changed seasonally dominated by topmouth gudgeon in spring and continuously increasing roach incidence. In contrast, topmouth gudgeon was found to be more sized-available prey (P < 0.001) and was the most dominant prey species in the diet of all piscivorous fishes the whole season throughout. Strong piscivory towards this alien might be beneficialfor its eradication or control to support ecological integrity in natural and modified seminatural habitats.

Název v anglickém jazyce

Piscivorous fishes diet dominated by Asian cyprinid invader topmouth gudgeon, Pseudorasbora parva

Popis výsledku anglicky

Predation on non-native cyprinid, Pseudorasbora parva, was reported during annual study in a small connecting canal about 40 km south of Brno, Czech Republic. Two cyprinid fish species (Pseudorasbora parva, and Rutilus rutilus) were identified in the diet of 23 piscivores belonging to three native fishes (Perca fluviatilis, Sander lucioperca, and Esox lucius). In environment, relative abundance of prey fishes changed seasonally dominated by topmouth gudgeon in spring and continuously increasing roach incidence. In contrast, topmouth gudgeon was found to be more sized-available prey (P < 0.001) and was the most dominant prey species in the diet of all piscivorous fishes the whole season throughout. Strong piscivory towards this alien might be beneficialfor its eradication or control to support ecological integrity in natural and modified seminatural habitats.

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

GL - Rybářství

OECD FORD obor

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Projekt

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Návaznosti

Z - Vyzkumny zamer (s odkazem do CEZ)

Rok uplatnění

2007

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Biologia

ISSN

0006-3088

e-ISSN

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Svazek periodika

62

Číslo periodika v rámci svazku

4

Stát vydavatele periodika

SK - Slovenská republika

Počet stran výsledku

3

Strana od-do

488-490

Kód UT WoS článku

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EID výsledku v databázi Scopus

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