Diurnal and seasonal behaviour of adult and juvenile European catfish as determined by radio‐telemetry in the River Berounka, Czech Republic
Identifieur interne : 000C03 ( Istex/Corpus ); précédent : 000C02; suivant : 000C04Diurnal and seasonal behaviour of adult and juvenile European catfish as determined by radio‐telemetry in the River Berounka, Czech Republic
Auteurs : O. Slavík ; P. Hork ; L. Bartoš ; J. Kolá Ová ; T. RandákSource :
- Journal of Fish Biology [ 0022-1112 ] ; 2007-07.
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Abstract
The first telemetry study analysing behaviour of the largest freshwater predator in European rivers, Silurus glanis, was performed bimonthly during the years 2002–2004. Movement of juveniles and adults occurred mostly in the same time intervals. The only statistical differences occurred for nocturnal activity in spring and autumn. In spring and winter, activity was low with the peaks during daylight, and in autumn, maximal movement was recorded during dusk. In summer, the European catfish were active across the whole 24 h even during high‐flow conditions. During all other seasons, movement was inversely related to flow rate. Maximal home ranges occurred in summer, being larger for adults. Juveniles and adults were spatially segregated. With increasing flow, fish were displaced, and individuals from both groups got closer to each other. Only juveniles migrated downstream from the upstream isolated river stretch suggesting a negative impact of lateral obstructions on the fish population structure.
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DOI: 10.1111/j.1095-8649.2007.01471.x
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ISTEX:63EB8E6F589DC925636FAE60098428D4B7122A7ELe document en format XML
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fax: +420 233333804; email: <email>ondrej_slavik@vuv.cz</email></correspondenceTo><linkGroup><link type="toTypesetVersion" href="file:JFB.JFB1471.pdf"></link></linkGroup></publicationMeta><contentMeta><unparsedEditorialHistory>(Received 18 May 2006, Accepted 5 February 2007)</unparsedEditorialHistory><countGroup><count type="figureTotal" number="26"></count><count type="tableTotal" number="2"></count><count type="formulaTotal" number="0"></count><count type="referenceTotal" number="48"></count><count type="wordTotal" number="0"></count><count type="linksPubMed" number="0"></count><count type="linksCrossRef" number="0"></count></countGroup><titleGroup><title type="main">Diurnal and seasonal behaviour of adult and juvenile European catfish as determined by radio‐telemetry in the River Berounka, Czech Republic</title></titleGroup><creators><creator creatorRole="author" xml:id="cr1" affiliationRef="#aff-1-1" corresponding="yes"><personName><givenNames>O.</givenNames><familyName>Slavík</familyName></personName></creator><creator creatorRole="author" xml:id="cr2" affiliationRef="#aff-1-1"><personName><givenNames>P.</givenNames><familyName>Horký</familyName></personName></creator><creator creatorRole="author" xml:id="cr3" affiliationRef="#aff-1-1"><personName><givenNames>L.</givenNames><familyName>Bartoš</familyName></personName></creator><creator creatorRole="author" xml:id="cr4" affiliationRef="#aff-1-1"><personName><givenNames>J.</givenNames><familyName>Kolářová</familyName></personName></creator><creator creatorRole="author" xml:id="cr5" affiliationRef="#aff-1-1"><personName><givenNames>T.</givenNames><familyName>Randák</familyName></personName></creator></creators><affiliationGroup><affiliation xml:id="aff-1-1" countryCode="CZ"><unparsedAffiliation> * <i>TGM – Water Research Institute, Podbabská 30, 160 62, Prague 6, Czech Republic</i><i>, </i> § <i>Ethology Group, Institute of Animal Production, 104 00, Prague 10 – Uhříněves, Czech Republic</i><i> and </i> † <i>University of South Bohemia, České Budějovice, Research Institute of Fish Culture and Hydrobiology, 389 25, Vodňany, Czech Republic</i></unparsedAffiliation></affiliation></affiliationGroup><keywordGroup xml:lang="en"><keyword xml:id="k1">flow</keyword><keyword xml:id="k2">home range</keyword><keyword xml:id="k3">movement</keyword><keyword xml:id="k4">siluriforms</keyword><keyword xml:id="k5">temperature</keyword></keywordGroup><abstractGroup><abstract type="main" xml:lang="en"><p>The first telemetry study analysing behaviour of the largest freshwater predator in European rivers, <i>Silurus glanis</i>, was performed bimonthly during the years 2002–2004. Movement of juveniles and adults occurred mostly in the same time intervals. The only statistical differences occurred for nocturnal activity in spring and autumn. In spring and winter, activity was low with the peaks during daylight, and in autumn, maximal movement was recorded during dusk. In summer, the European catfish were active across the whole 24 h even during high‐flow conditions. During all other seasons, movement was inversely related to flow rate. Maximal home ranges occurred in summer, being larger for adults. Juveniles and adults were spatially segregated. With increasing flow, fish were displaced, and individuals from both groups got closer to each other. Only juveniles migrated downstream from the upstream isolated river stretch suggesting a negative impact of lateral obstructions on the fish population structure.</p></abstract></abstractGroup></contentMeta></header></component></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>Diurnal and seasonal behaviour of adult and juvenile European catfish as determined by radio‐telemetry in the River Berounka, Czech Republic</title></titleInfo><titleInfo type="alternative" contentType="CDATA" lang="en"><title>Diurnal and seasonal behaviour of adult and juvenile European catfish as determined by radio‐telemetry in the River Berounka, Czech Republic</title></titleInfo><name type="personal"><namePart type="given">O.</namePart><namePart type="family">Slavík</namePart><affiliation>* TGM – Water Research Institute, Podbabská 30, 160 62, Prague 6, Czech Republic , § Ethology Group, Institute of Animal Production, 104 00, Prague 10 – Uhříněves, Czech Republic and † University of South Bohemia, České Budějovice, Research Institute of Fish Culture and Hydrobiology, 389 25, Vodňany, Czech Republic</affiliation><affiliation>E-mail: ondrej_slavik@vuv.cz</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">P.</namePart><namePart type="family">Horký</namePart><affiliation>* TGM – Water Research Institute, Podbabská 30, 160 62, Prague 6, Czech Republic , § Ethology Group, Institute of Animal Production, 104 00, Prague 10 – Uhříněves, Czech Republic and † University of South Bohemia, České Budějovice, Research Institute of Fish Culture and Hydrobiology, 389 25, Vodňany, Czech Republic</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">L.</namePart><namePart type="family">Bartoš</namePart><affiliation>* TGM – Water Research Institute, Podbabská 30, 160 62, Prague 6, Czech Republic , § Ethology Group, Institute of Animal Production, 104 00, Prague 10 – Uhříněves, Czech Republic and † University of South Bohemia, České Budějovice, Research Institute of Fish Culture and Hydrobiology, 389 25, Vodňany, Czech Republic</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">J.</namePart><namePart type="family">Kolářová</namePart><affiliation>* TGM – Water Research Institute, Podbabská 30, 160 62, Prague 6, Czech Republic , § Ethology Group, Institute of Animal Production, 104 00, Prague 10 – Uhříněves, Czech Republic and † University of South Bohemia, České Budějovice, Research Institute of Fish Culture and Hydrobiology, 389 25, Vodňany, Czech Republic</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">T.</namePart><namePart type="family">Randák</namePart><affiliation>* TGM – Water Research Institute, Podbabská 30, 160 62, Prague 6, Czech Republic , § Ethology Group, Institute of Animal Production, 104 00, Prague 10 – Uhříněves, Czech Republic and † University of South Bohemia, České Budějovice, Research Institute of Fish Culture and Hydrobiology, 389 25, Vodňany, Czech Republic</affiliation><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre type="article" displayLabel="article"></genre><originInfo><publisher>Blackwell Publishing Ltd</publisher><place><placeTerm type="text">Oxford, UK</placeTerm></place><dateIssued encoding="w3cdtf">2007-07</dateIssued><edition>(Received 18 May 2006, Accepted 5 February 2007)</edition><copyrightDate encoding="w3cdtf">2007</copyrightDate></originInfo><language><languageTerm type="code" authority="rfc3066">en</languageTerm><languageTerm type="code" authority="iso639-2b">eng</languageTerm></language><physicalDescription><internetMediaType>text/html</internetMediaType><extent unit="figures">26</extent><extent unit="tables">2</extent><extent unit="references">48</extent></physicalDescription><abstract lang="en">The first telemetry study analysing behaviour of the largest freshwater predator in European rivers, Silurus glanis, was performed bimonthly during the years 2002–2004. Movement of juveniles and adults occurred mostly in the same time intervals. The only statistical differences occurred for nocturnal activity in spring and autumn. In spring and winter, activity was low with the peaks during daylight, and in autumn, maximal movement was recorded during dusk. In summer, the European catfish were active across the whole 24 h even during high‐flow conditions. During all other seasons, movement was inversely related to flow rate. Maximal home ranges occurred in summer, being larger for adults. Juveniles and adults were spatially segregated. With increasing flow, fish were displaced, and individuals from both groups got closer to each other. Only juveniles migrated downstream from the upstream isolated river stretch suggesting a negative impact of lateral obstructions on the fish population structure.</abstract><subject lang="en"><genre>keywords</genre><topic>flow</topic><topic>home range</topic><topic>movement</topic><topic>siluriforms</topic><topic>temperature</topic></subject><relatedItem type="host"><titleInfo><title>Journal of Fish Biology</title></titleInfo><genre type="journal">journal</genre><identifier type="ISSN">0022-1112</identifier><identifier type="eISSN">1095-8649</identifier><identifier type="DOI">10.1111/(ISSN)1095-8649</identifier><identifier type="PublisherID">JFB</identifier><part><date>2007</date><detail type="volume"><caption>vol.</caption><number>71</number></detail><detail type="issue"><caption>no.</caption><number>1</number></detail><extent unit="pages"><start>101</start><end>114</end><total>14</total></extent></part></relatedItem><identifier type="istex">63EB8E6F589DC925636FAE60098428D4B7122A7E</identifier><identifier type="DOI">10.1111/j.1095-8649.2007.01471.x</identifier><identifier type="ArticleID">JFB1471</identifier><accessCondition type="use and reproduction" contentType="copyright">2007 The Fisheries Society of the British Isles</accessCondition><recordInfo><recordContentSource>WILEY</recordContentSource><recordOrigin>Blackwell Publishing Ltd</recordOrigin></recordInfo></mods></metadata><serie></serie></istex></record>Pour manipuler ce document sous Unix (Dilib)
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