ࡱ> +-*G bjbjَ !  ]84 @  XX(  $ Z - , X, , , `  , , L `6nL uro Huber, Josip Kusak, Goran Gu~vica Zavod za biologiju, Veterinarski fakultet, Sveu iliate u Zagrebu, Heinzelova 55, 10000 Zagreb, Hrvatska PRELA}ENJE }IVOTINJA PREKO ZELENOG MOSTA KOD DEDINA U GORSKOM KOTARU Nova poluatocesta kroz staniata divljih ~ivotinja u Gorskom kotaru ima dosta tunela i vijadukata, te jedan posebno izgraeni zeleni most (airine 100 m) na Dedinu kod Delnica. Istra~ivali smo utjecaj autoceste na kretanja veih i srednjih sisavaca radi prikupljanja spoznaja va~nih za budue gospodarenje cjelovitoau populacija i tokom gena, a u prakti noj situaciji i za predlaganje zaatitnih mjera na projektu trase autoceste od Karlovca do Splita. Od svibnja 1999. rabimo infra crvene (IC) senzore za bilje~enje prela~enja zelenog mosta Dedin. IC zraka postavljena je na visinu od 40 cm kako bi manje ~ivotinje (do veli ine lisice, zeca ili jazavca) proale nezabilje~ene. Rekorder ima memoriju za 1000 prekida zrake i za svaki bilje~i dan i sat. Zabilje~eno je ukupno 18,501 prekida zraka tijekom 85 dana aktivnog rada monitora. Uo ili smo i nepravilnosti u radu IC rekordera povezane sa meteoroloakim uvjetima, a koje su izazivale serije podataka. Prihvaajui samo do 6 biljeaki u istom satu, za dalje ra unanje rabili smo samo 922 prelazaka. Prera unato na razinu cijele godine (365 dana) dobili smo procjenu od ukupno 3959 prelazaka mosta ili prosje no 10.8 dnevno. Istovremeno smo zabilje~ili 206 tragova ~ivotinja na tlu, od kojih su 142 pripadali ~ivotinjama iz kategorije viaih od 40 cm: srna 33.8%, jelen 20.4%, divlja svinja 20.4%, smei medvjed 10.6%, ovjek 7.7% (4.9% pjeaice i 2.8% terenskim vozilom), pas 4.2% i vuk 2.8%. WILDLIFE CROSSINGS OVER GREEN BRIDGE NEAR DEDIN IN GORSKI KOTAR The new highway through the wildlife core area in Gorski kotar has a number of viaducts and tunnels and one specifically constructed (100 m wide) green bridge at Dedin near Delnice. We studied the impact of highway on large and medium sized mammal movements to acquire data for future management of the population integrity and gene flow, and in practical situation, for designing the mitigation measures on the newly proposed highway from Karlovac to Split. Since May 1999 we used infra red (IR) sensors for recording crossings over Dedin green bridge. The height of IR beams was set at 40 cm above the ground to permit the smaller animals (up to the size of fox, hare and badger) to cross the bridge unrecorded. Recorder holds in memory up to 1000 beam interruptions with noting the date and time of each record. A total of 18.501 beam interruptions have been recorded during 85 different days of active monitors operation. We noticed certain malfunctions of IR recorders due to weather conditions resulting in series of records. By accepting only up to 6 records in the same hour we used for further calculations 922 crossings. Recalculated to the yearly level (365 days) it gives an estimate of a total of 3959 bridge crossings, or 10.8 per day. Concurrently we noticed 206 animal tracks, 142 of which belonged to animals taller than 40 cm: roe deer 33.8%, red deer 20.4%, wild boar 20.4%, brown bear 10.6%, man 7.7% (4.9% by foot and 2.8% by field vehicle), dog 4.2% and wolf 2.8%. Tema: 5 (Ekologija) Na in priopavanja: usmeno Jezik: hrvatski PAGE 4 PAGE 2 prVXdfhjlpr~0JmH0J j0JU 5CJmH CJmH 5CJCJNP "pr6Vlnp&`#$NP "pr6TVlnp 0. A!"#$% [$@$NormalmH <A@<Default Paragraph Font,@,Header  9r &)@& Page Number   !!1:S^ah #$*+,-79;<ABIJSTZagoqrxy|} !&'+1;<EFGHJKVW`afgijrsxy%)*,-23<AIJPRVWZ[bdjkxz  !"#$148<EFNOQR_`hlpqst}~  $%()1245;AJKPQTU^dj (l  Djuro Huber&D:\DATA\TEXT\DJURO\OTHER\HBD7Huber.doc Djuro Huber&D:\DATA\TEXT\DJURO\OTHER\HBD7Huber.doc Djuro Huber A:\Huber.doc Djuro Huber'D:\DATA\TEXT\DJURO\PAPERS\HBD7Huber.doc Djuro Huber'D:\DATA\TEXT\DJURO\PAPERS\HBD7Huber.doc Djuro Huber'D:\DATA\TEXT\DJURO\PAPERS\HBD7Huber.doc Djuro Huber#D:\DATA\TEXT\DJURO\PAPERS\Huber.doc Djuro Huber#D:\DATA\TEXT\DJURO\PAPERS\Huber.doc Djuro Huber A:\Huber.doc Djuro Huber'D:\DATA\TEXT\DJURO\PAPERS\HBD7Huber.doc@ (6 ( $@GTimes New Roman5Symbol3& Arial"0h E& E& E& !0d Dr Djuro Huber Djuro Huber Oh+'0p   , 8 DPX`hDrr Djuro Huberjur Normal.dot Djuro Huber2urMicrosoft Word 8.0@@HZ@Ь㱳@Ь㱳  ՜.+,D՜.+,L hp  Veterinarski fakultet, Zagreb-   Dr Title 6> _PID_GUIDAN{083F3095-91B6-11D2-886D-EF4537E0EE0B}  !#$%&'(),Root Entry F@~.1TableWordDocument! SummaryInformation(DocumentSummaryInformation8"CompObjjUgA@  FMicrosoft Word Document MSWordDocWord.Document.89q