. "Vliv vnitro- a mezidruhov\u00E9 konkurence na p\u0159e\u017Eit\u00ED a r\u016Fst p\u016Fvodn\u00EDho raka \u0159\u00ED\u010Dn\u00EDho Astacus astacus a nep\u016Fvodn\u00EDho raka pruhovan\u00E9ho Orconectes limosus"@cs . . . "0018-8158" . "RIV/60076658:12610/07:00007812" . . . "Ham\u00E1\u010Dkov\u00E1, Jitka" . "The effect of inter- and intra-specific competition on survival and growth rate of native juvenile noble crayfish Astacus astacus and alien spiny-cheek crayfish Orconectes limosus"@en . "Koz\u00E1k, Pavel" . "Orconectes limosus; Astacus astacus; competition; interaction; communal stock; cheliped injuries"@en . . . "NL - Nizozemsko" . . . . . "RIV/60076658:12610/07:00007812!RIV08-AV0-12610___" . . . "5"^^ . "Hydrobiologia" . . . . "Juvenile noble crayfish, Astacus astacus and spiny-cheek crayfish, Orconectes limosus were reared from the 2nd and the 3rd developmental stage (i.e. since the stage of independence), respectively, until the end of the growing season. The first period revealed very low survival rate of O. limosus in the communal stock (7+/-6.2%), probably caused by predation of A. astacus. Separately reared O. limosus proved significantly higher survival rate (49+/-9.2%) than those in the communal stock with A. astacus. The latter species also showed the highest survival rate in this case (90+/-7.1%). This was not found to differ from the survival rate of separately reared noble crayfish (86+/-3.1%). In general, both the significant effect of bigger size of A. astacus than that of O. limosus and higher intra-specific cannibalism of O. limosus were reflected during the first phase of rearing. Size and weight of both species were equivalent 11 weeks after hatching (8 weeks of rearing). The higher cumulative survival rate" . "85-94" . . "590" . "418970" . "12610" . "The effect of inter- and intra-specific competition on survival and growth rate of native juvenile noble crayfish Astacus astacus and alien spiny-cheek crayfish Orconectes limosus" . "Byl proveden odchov r\u00E1\u010Dat raka \u0159\u00ED\u010Dn\u00EDho a raka pruhovan\u00E9ho od 2.v\u00FDvojov\u00E9ho st\u00E1dia resp.3. v\u00FDvojov\u00E9ho st\u00E1dia (osamostatn\u011Bn\u00ED od samic) do konce vegeta\u010Dn\u00ED sez\u00F3ny. V prvn\u00EDch f\u00E1z\u00EDch odchovu bylo zji\u0161t\u011Bno velmi n\u00EDzk\u00E9 p\u0159e\u017Eit\u00ED raka pruhovan\u00E9ho oproti raku \u0159\u00ED\u010Dn\u00EDmu a to jak p\u0159i samostatn\u00E9m (49+/-9.2%), tak spole\u010Dn\u00E9m odchovu (7+/-6.2%). Projevil se zde jednak statisticky v\u00FDznamn\u00FD vliv v\u011Bt\u0161\u00ED velikosti rak\u016F \u0159\u00ED\u010Dn\u00EDch oproti raku pruhovan\u00E9mu a d\u00E1le tak\u00E9 v\u011Bt\u0161\u00ED vnitrodruhov\u00FD kanibalismus u raka pruhovan\u00E9ho. V 11 t\u00FDdnech v\u011Bku r\u00E1\u010Dat (po 8 t\u00FDdnech odchovu) do\u0161lo k vyrovn\u00E1n\u00ED velikosti u obou druh\u016F. Na konci odchovu ji\u017E nebyly v p\u0159e\u017Eit\u00ED staticky v\u00FDznamn\u00E9 rozd\u00EDly. Rak pruhovan\u00FD v\u0161ak dos\u00E1hl na konci vegeta\u010Dn\u00ED sez\u00F3ny vy\u0161\u0161\u00ED velikosti a hmotnosti (29,3+/-5,17 mm a 616,4+/-412,53 mg) ne\u017E rak \u0159\u00ED\u010Dn\u00ED (21,2+/-1,82 mm a 229,9+/-59,45 mg). Samostatn\u00E9 a spole\u010Dn\u00E9 odchovy se neli\u0161ily. R\u016Fst raka pruhovan\u00E9ho byl rychlej\u0161\u00ED ne\u017E r\u016Fst raka \u0159\u00ED\u010Dn\u00EDho."@cs . "5"^^ . "1" . "10"^^ . . "Policar, Tom\u00E1\u0161" . "P(GP206/03/D064), P(IAA601870701), P(QF3028), Z(MSM6007665809)" . "The effect of inter- and intra-specific competition on survival and growth rate of native juvenile noble crayfish Astacus astacus and alien spiny-cheek crayfish Orconectes limosus" . "Lepi\u010Dov\u00E1, Andrea" . . "Juvenile noble crayfish, Astacus astacus and spiny-cheek crayfish, Orconectes limosus were reared from the 2nd and the 3rd developmental stage (i.e. since the stage of independence), respectively, until the end of the growing season. The first period revealed very low survival rate of O. limosus in the communal stock (7+/-6.2%), probably caused by predation of A. astacus. Separately reared O. limosus proved significantly higher survival rate (49+/-9.2%) than those in the communal stock with A. astacus. The latter species also showed the highest survival rate in this case (90+/-7.1%). This was not found to differ from the survival rate of separately reared noble crayfish (86+/-3.1%). In general, both the significant effect of bigger size of A. astacus than that of O. limosus and higher intra-specific cannibalism of O. limosus were reflected during the first phase of rearing. Size and weight of both species were equivalent 11 weeks after hatching (8 weeks of rearing). The higher cumulative survival rate"@en . "[34EEB89654F7]" . . . . . . "Vliv vnitro- a mezidruhov\u00E9 konkurence na p\u0159e\u017Eit\u00ED a r\u016Fst p\u016Fvodn\u00EDho raka \u0159\u00ED\u010Dn\u00EDho Astacus astacus a nep\u016Fvodn\u00EDho raka pruhovan\u00E9ho Orconectes limosus"@cs . "The effect of inter- and intra-specific competition on survival and growth rate of native juvenile noble crayfish Astacus astacus and alien spiny-cheek crayfish Orconectes limosus"@en . . . "Bu\u0159i\u010D, Milo\u0161" .