Stanje i rasprostranjenost dabra (Castor fiber L.) u Hrvatskoj

undergraduate thesis

• Title (english): State and distribution of beaver (Castor fiber L.) in Croatia
• Author: Tomislav Kralj
• Mentor: Davor Zanella (mentor)
• Granter: University of Zagreb; Faculty of Science; (Department of Biology); Zagreb
• Defense date and country: 2014, Croatia
• Scientific / art field, discipline and subdiscipline: NATURAL SCIENCES; Biology

Abstract

Europski dabar (Castor fiber L) je semiakvatična životinjska vrsta koja spada u red glodavaca (Rodentia) koja je u prošlosti obuhvaćala cijelu površinu sjeverne polutke na Zemlji. S vremenom joj se počeo smanjivati areal iz različitih razloga, a ponajviše zbog čovjekova utjecaja. Dabar je tako nestao u potpunosti i sa područja Hrvatske 1857. godine kada je zadnji puta spomenut. Ponovno vraćanje dabrova u Hrvatsku je počelo u ranim devedesetim godinama dvadesetoga stoljeća. Prvi dabrovi su reintroducirani u travnju 1996. godine, a posljednji u ožujku 1998. godine. Ukupan broj dabrova koji su ispušteni je 85 jedinki, od čega je 44 mužjaka i 41 ženka. Većina jedinki je ispuštena na području Turopolja i Lonjskog polja. Nakon 1998. godine se sa svakom godinom sve više povećavao broj dabrova pa se tako s krajem 2011. godine u Hrvatskoj nalazilo oko 400 familija dabrova i preko 1000 jedinki koje su zauzele gotovo većinu vodenih ekosustava središnje Hrvatske te su se počele dalje širiti u susjedne države: Bosnu i Hercegovinu, Mađarsku, Sloveniju i Austriju. S obzirom povećanja broja dabrova može se zaključiti da je proces reintrodukcije dabrova bio uspješan te da su staništa jako povoljna za njihov napredak i daljnji rast populacije.

Abstract (english)

European beaver (Castor fiber L.) is semi–aquatic species belonging to the genus of rodents (Rodentia) which was once widespread in the entire surface of northern hemisphere of the Earth. With time they almost completely dissapeared from natural area of distribution because of various reasons and the biggest reason was human. Beaver dissapeared from Croatia in 1897. Restoring beavers in Croatia began in the early nineties of the twentieth century. First beavers were reintroduced in april 1996 and the last one in march 1998. Total number of beavers who were reintroduced is 85 individuals, 44 males and 41 female. Most individuals is reintroduced to the area Turopolje and Lonjsko polje. After 1998, with every year there were more and more beavers. In the end of 2011 in Croatia were 400 family of beavers and more than 1000 individuals that have taken almost all aqatic ecosystems of the central Croatia and they begun spreading to the neighboring countries: Bosnia and Herzegovina, Hungary, Slovenia and Austria. In the view of increasing the number of beavers can be concluded that the proces of reintroduction of beavers was successful because habitats have been favorable for their progression and further population growth.

• Keywords: rasprostranjenost dabrova; Castor fiber L.
• Keywords (english): distribution of beavers; Castor fiber L.
• Language: croatian
• URN:NBN: urn:nbn:hr:217:278619
• Study programme: Title: Ecology; Study programme type: university; Study level: undergraduate; Academic / professional title: sveučilišni/a prvostupnik/prvostupnica (baccalaureus/baccalaurea) biologije (sveučilišni/a prvostupnik/prvostupnica (baccalaureus/baccalaurea) biologije)
• Type of resource: Text
• File origin: Born digital
• Access conditions: Open access
• Created on: 2017-12-08 11:58:20