ࡱ> +-*G bjbjَ "V ] L:<<<<<<$g[`Q`:::::Alojzije Frkovi1, uro Huber2, Josip Kusak2 1 Hrvatske aume, `umska uprava Delnice, Supilova 32, 51300 Delnice, Hrvatska 2 Zavod za biologiju, Veterinarski fakultet, Sveu iliate u Zagrebu, Heinzelova 55, 10000 Zagreb, Hrvatska VELI INE MEDVJEIH LEGALA U HRVATSKOJ Prosje ne veli ine medvjeih legala i pre~ivljavanje medvjedia u leglu smeih medvjeda (Ursus arctos) u Hrvatskoj izra unate su na osnovi 116 promatranja 105 razli itih medvjeih porodi nih skupina. Osim broja medvjedia u leglu uz svako vienje zabilje~eni su i datum opa~anja, dob medvjedia (ovogodianji ili lanjski), te mjesto (hraniliate za medvjede ili drugdje). Srednja veli ina legla ovogodianjih medvjeda bila je 2.39 (N=56, raspon 1-4, median=2), a lanjskih 1.94 (N=49, raspon 1-4, median=2). Negativna razlika od 0.45 (16.9%) bila je zna ajna (PSYMBOL 60 \f "Symbol" \s 14<0.001, t test). Razlike veli ina ovogodianjih i lanjskih legala izmeu proljea i jeseni istih godina nisu bile zna ajne. Procijenili smo da za ~enku raspon izmeu dva legla iznosi dvije godine. Signifikantno vea legla (PSYMBOL 60 \f "Symbol" \s 14<0.048) u obje dobne skupine opa~ena su uz majke izvan hraniliata za medvjede (srednja vrijednost=2.33, N=48), u usporedbi sa opa~anjima na hraniliatima (srednja vrijednost=2.05, N=59). Nije bili statisti kih razlika u prosje nim veli inama legla prije 1989. (2.19, N=26) u usporedbi sa razdobljem 1990-99. (2.17, N=81). To sugerira da novije prihranjivanje medvjeda u Hrvatskoj u lovne svrhe nije utjecala na veli inu medvjee reprodukcije. Brown bear litter sizes in Croatia The mean litter sizes and the maximum survival rate of brown bears cubs (Ursus arctos) in Croatia were calculated based on 116 observations of 105 brown bear family groups. In addition to the number of cubs, each record contained information on the date, age of cubs (cubs-of-the-year /COY/ or yearlings), and location (bear feeding sites or other places). The mean litter size for COY was 2.39 (N=56, range 1-4, median=2), and the mean litter size of yearlings was 1.94 (N=49, range 1-4, median=2). The negative difference of 0.45 (16.9%) was significant (PSYMBOL 60 \f "Symbol" \s 14<0.001, t test). No significant difference in COY and yearling litter sizes was found between spring and fall of the same year. The suggested average litter interval for adult females was 2 years. Significantly bigger litters (PSYMBOL 60 \f "Symbol" \s 14<0.048) of all ages were observed with mothers away from feeding sites (mean=2.33, N=48), than at feeding sites (mean=2.05, N=59). There was no statistical difference in mean litter sizes before 1989 compared with 1990-99: 2.19 (N=26) and 2.17 (N=81), respectively. This suggests that the recent practice of feeding bears in Croatia for management purposes has not influenced bear reproduction. Tema: 5 (Ekologija) Na in priopavanja: usmeno Jezik: hrvatski  ":<VX\`v x p r "hfgkl;CJ jCJU6CJCJH*CJ.Z\ "hj,.VXZ\`b|\^2:PZHh j    6 P p & 4   : H P R V \ ^ j F J n  d *.Zv "Jhj*,>@Tjl. A!"#$% [$@$NormalmH <A@<Default Paragraph FontV " ;WY8TVfk V 9999 Djuro Huber*D:\DATA\TEXT\DJURO\PAPERS\HBD7 Frkovi.doc Djuro HuberA:\Frkovi.doc Djuro Huber'C:\DOS\AutoRecovery save of Frkovi.asd Djuro Huber'C:\DOS\AutoRecovery save of Frkovi.asd Djuro HuberA:\Frkovi.doc Djuro Huber)D:\DATA\TEXT\DJURO\PAPERS\HBD7Frkovi.doc@L V @@@ @@$@@GTimes New Roman5Symbol3& Arial"0h E& E&Y "0dz ,Alojzije Frkovi1, uro Huber2, Josip Kusak2 Djuro Huber Djuro Huber Oh+'0 ( D P \hpx-Alojzije Frkovi1, uro Huber2, Josip Kusak28.0loj Djuro Huberjur Normal.dot Djuro Huber2urMicrosoft Word 8.0@@Ҵ@ҴY  ՜.+,D՜.+,t0 hp  Veterinarski fakultet, Zagrebz   -Alojzije Frkovi1, uro Huber2, Josip Kusak2 Title 6> _PID_GUIDAN{47DD3342-1FA9-11D4-886F-ED1CE2D50A60}  !#$%&'(),Root Entry F3{`Y.1TableWordDocument"SummaryInformation(DocumentSummaryInformation8"CompObjjUgA|@  FMicrosoft Word Document MSWordDocWord.Document.89q