. . "V pr\u016Fb\u011Bhu let 1997-1998, 2001-2002, 2005 a 2007 byly studov\u00E1ny d\u016Fsledky kontinu\u00E1ln\u00ED predace zimuj\u00EDc\u00EDch hejn kormor\u00E1na velk\u00E9ho na ryb\u00ED spole\u010Denstvo sekund\u00E1rn\u00EDho pstruhov\u00E9ho p\u00E1sma \u0159eky Dyje v N\u00E1rodn\u00EDm parku Podyj\u00ED (situovan\u00E9ho na hranici \u010Cesk\u00E9 republiky s Rakouskem). Na \u010D shodn\u00FDch lokalit\u00E1ch (Vranov, Nov\u00FD Hr\u00E1dek, Podmol\u00ED, Pod pap\u00EDrnou) byly prov\u00E1d\u011Bny opakovan\u00E9 ichtyologick\u00E9 v\u00FDzkumy s vyu\u017Eit\u00EDm elektrolovu. Ryb\u00ED spole\u010Denstvo bylo charakterizov\u00E1no s vyu\u017Eit\u00EDm z\u00E1kladn\u00EDch ichtyologick\u00FDch metod. Abundance (pr\u016Fm\u011Brn\u00E9 hodnoty ze v\u0161ech lokalit) pstruha obecn\u00E9ho kol\u00EDsal v rozmez\u00ED 73-253 ks/ha a lipana podhorn\u00EDho v rozmez\u00ED 4-49 ks/ha. Lusk et al. (1993) publikovali ve stejn\u00E9m \u00FAseku hodnotu 491 ks/ha jako pr\u016Fm\u011Brnou abundanci pstruha obecn\u00E9ho a 80 ks/ha pro lipana podhorn\u00EDho v obdob\u00ED p\u0159ed invaz\u00ED kormor\u00E1n\u016F. S t\u00EDmto nep\u0159\u00EDzniv\u00FDm stavem koresponduj\u00ED tak\u00E9 velmi n\u00EDzk\u00E9 \u00FAlovky sportovn\u00EDch ryb\u00E1\u0159\u016F. V p\u0159\u00EDpad\u011B lipana dosahovaly v posledn\u00EDch letech v centr\u00E1ln\u00ED \u010D\u00E1sti parku (rev\u00EDr Dyje 13) hodnot bl\u00EDzk\u00FDch nule (0-0,1 kg/ha v letech" . "Sukup, Ji\u0159\u00ED" . "[B4DB1196E2F1]" . "Mendelova zem\u011Bd\u011Blsk\u00E1 a lesnick\u00E1 univerzita v Brn\u011B" . "XI. \u010Cesk\u00E1 ichtyologick\u00E1 konference" . . "978-80-7375-246-0" . . "Brno" . "43210" . "Vliv dlouhodob\u00E9 predace zimuj\u00EDc\u00EDch kormor\u00E1n\u016F na rozvoj salmonidn\u00EDho spole\u010Denstva \u0159eky Dyje v N\u00E1rodn\u00EDm parku Podyj\u00ED"@cs . "2"^^ . . "Brno" . "RIV/62156489:43210/08:00131389" . . . "Influence of the long-term predation of overwintering cormorants on the salmonid fish community development in the Dyje River National Park"@en . . "2"^^ . . "Vliv dlouhodob\u00E9 predace zimuj\u00EDc\u00EDch kormor\u00E1n\u016F na rozvoj salmonidn\u00EDho spole\u010Denstva \u0159eky Dyje v N\u00E1rodn\u00EDm parku Podyj\u00ED"@cs . "grayling; overwintering cormoran predation; salmonid river; brown trout"@en . . . "During years 1997 -- 1998, 2001 -- 2002, 2005 and 2007, consequences of continuous predation of winter flocks of cormorants on fish community of the secondary trout zone of the Dyje River in the Dyje National Park (situated on the border between Czech Republic and Austria) were studied. At the same 4 localities (Vranov, Nov\u00FD Hr\u00E1dek, Podmol\u00ED and Pod pap\u00EDrnou), repeated ichthyological research was carried out using electrofishing. Fish community was evaluated applying basic ichthyological methods. Abundance (average values from all the localities) of brown trout fluctuated from 73 to 253 fish.ha-1 and of grayling from 4 to 49 fish.ha-1. Lusk et al. (1993) reported 491 fish.ha-1 as average abundance of brown trout and 80 fish.ha-1 of grayling at the same section of the Dyje River prior to cormorant invasion. Very low catches of sport anglers also correspond with this unfavorable state. I case of grayling, they were nearly zero in the central part of the National Park (Dyje 13 fishery) in the last years ("@en . "RIV/62156489:43210/08:00131389!RIV09-MSM-43210___" . . . "Influence of the long-term predation of overwintering cormorants on the salmonid fish community development in the Dyje River National Park"@en . . . . "402979" . "Spurn\u00FD, Petr" . . "V pr\u016Fb\u011Bhu let 1997-1998, 2001-2002, 2005 a 2007 byly studov\u00E1ny d\u016Fsledky kontinu\u00E1ln\u00ED predace zimuj\u00EDc\u00EDch hejn kormor\u00E1na velk\u00E9ho na ryb\u00ED spole\u010Denstvo sekund\u00E1rn\u00EDho pstruhov\u00E9ho p\u00E1sma \u0159eky Dyje v N\u00E1rodn\u00EDm parku Podyj\u00ED (situovan\u00E9ho na hranici \u010Cesk\u00E9 republiky s Rakouskem). Na \u010D shodn\u00FDch lokalit\u00E1ch (Vranov, Nov\u00FD Hr\u00E1dek, Podmol\u00ED, Pod pap\u00EDrnou) byly prov\u00E1d\u011Bny opakovan\u00E9 ichtyologick\u00E9 v\u00FDzkumy s vyu\u017Eit\u00EDm elektrolovu. Ryb\u00ED spole\u010Denstvo bylo charakterizov\u00E1no s vyu\u017Eit\u00EDm z\u00E1kladn\u00EDch ichtyologick\u00FDch metod. Abundance (pr\u016Fm\u011Brn\u00E9 hodnoty ze v\u0161ech lokalit) pstruha obecn\u00E9ho kol\u00EDsal v rozmez\u00ED 73-253 ks/ha a lipana podhorn\u00EDho v rozmez\u00ED 4-49 ks/ha. Lusk et al. (1993) publikovali ve stejn\u00E9m \u00FAseku hodnotu 491 ks/ha jako pr\u016Fm\u011Brnou abundanci pstruha obecn\u00E9ho a 80 ks/ha pro lipana podhorn\u00EDho v obdob\u00ED p\u0159ed invaz\u00ED kormor\u00E1n\u016F. S t\u00EDmto nep\u0159\u00EDzniv\u00FDm stavem koresponduj\u00ED tak\u00E9 velmi n\u00EDzk\u00E9 \u00FAlovky sportovn\u00EDch ryb\u00E1\u0159\u016F. V p\u0159\u00EDpad\u011B lipana dosahovaly v posledn\u00EDch letech v centr\u00E1ln\u00ED \u010D\u00E1sti parku (rev\u00EDr Dyje 13) hodnot bl\u00EDzk\u00FDch nule (0-0,1 kg/ha v letech"@cs . . "2008-01-01+01:00"^^ . "6"^^ . "Z(MSM6215648905)" . "Vliv dlouhodob\u00E9 predace zimuj\u00EDc\u00EDch kormor\u00E1n\u016F na rozvoj salmonidn\u00EDho spole\u010Denstva \u0159eky Dyje v N\u00E1rodn\u00EDm parku Podyj\u00ED" . "Vliv dlouhodob\u00E9 predace zimuj\u00EDc\u00EDch kormor\u00E1n\u016F na rozvoj salmonidn\u00EDho spole\u010Denstva \u0159eky Dyje v N\u00E1rodn\u00EDm parku Podyj\u00ED" .