Bathypelagic percid fry, a strongly predominating fry community in a deep European reservoir

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60077344%3A_____%2F17%3A00470179" target="_blank" >RIV/60077344:_____/17:00470179 - isvavai.cz</a>

Alternative codes found

RIV/60076658:12310/17:43895560

Result on the web

<a href="http://dx.doi.org/10.1007/s10750-016-2978-1" target="_blank" >http://dx.doi.org/10.1007/s10750-016-2978-1</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1007/s10750-016-2978-1" target="_blank" >10.1007/s10750-016-2978-1</a>

Result language

angličtina

Original language name

Bathypelagic percid fry, a strongly predominating fry community in a deep European reservoir

Original language description

The distribution, species composition, abundance and shoaling behaviour of young-of-year fish were studied in the canyon-shaped Vir Reservoir (Czech Republic) in mid-June 2010. Using the SIMRAD EK60 echosounder (frequency 120 kHz), fry were acoustically sampled along the longitudinal profile of the reservoir. A framed trawl was used simultaneously to collect fry in the open water. Apparent differences were found in the density of fry between the epipelagic, littoral and bathypelagic zones. Bathypelagic fry strongly predominated in the total fry community creating 95.3% while epipelagic and littoral fry contributed only 4.7%. The bathypelagic fry were represented by perch Perca fluviatilis (84.8%), zander Sander lucioperca (14.9%) and ruffe Gymnocephalus cernua (0.15%) and were observed all along the longitudinal profile of the reservoir creating a distinct layer on the echogram. The layer, composed of shoaling and non-shoaling fry individuals, reached its greatest depth in the Bay part of the reservoir (7.5-14.5 m) and it was rising in the water column towards the tributary. The situation that the bathypelagic percid fry predominate in the reservoir is absolutely unique and it is completely different from published observations from other canyon-shaped reservoirs where epipelagic percid fry prevailed.

Czech name

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Czech description

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Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

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OECD FORD branch

10618 - Ecology

Project

Result was created during the realization of more than one project. More information in the Projects tab.

Continuities

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year

2017

Confidentiality

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

Name of the periodical

Hydrobiologia

ISSN

0018-8158

e-ISSN

—

Volume of the periodical

787

Issue of the periodical within the volume

1

Country of publishing house

NL - THE KINGDOM OF THE NETHERLANDS

Number of pages

12

Pages from-to

341-352

UT code for WoS article

000390139200023

EID of the result in the Scopus database

2-s2.0-84987642021