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Pojavljanje in tipi gnezdišč velike uharice v SV Sloveniji
Golnar, Nina (Author), Vrezec, Al (Mentor) More about this mentor... This link opens in a new window

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Abstract
Velika uharica (Bubo bubo) je naša največja sova, za katero je do nedavna veljalo, da večinoma gnezdi na območju jugozahodne Slovenije, pojavljanje v severovzhodni Sloveniji pa je relativno nov pojav. Trenutno je v severovzhodni Sloveniji znanih več kot 50 vsaj domnevnih gnezdišč, na katerih so bili opaženi teritorialni osebki, od tega je velik delež lokacij v kamnolomih, kar je v primerjavi z jugozahodno Slovenijo precej specifično. Namen dela je pregled zgodovinskega pojavljanja velike uharice in primerjava gnezditvenih navad med jugozahodno in severovzhodno Slovenijo. Glavni namen je ovrednotiti, ali gre za populacijo s podobni gnezditvenimi vzorci ali ne. Ugotovili smo, da je velika uharica v severovzhodni Sloveniji prisotna že vsaj od 19. stoletja ter da se je njena prisotnost zaradi preganjanja močno spreminjala. Med popualcijama smo ugotovili razlike v tipu gnezdišč, saj velika uharica na severovzhodnem delu Slovenije v veliki meri (45 %) gnezdi v delujočih kamnolomih, kar pa ni značilno za jugozahodni del Slovenije. Zbrani podatki kažejo na bistvene razlike v tipu gnezdišč. Razlike med severovzhodnim in jugozahodnim območjem Slovenije so se pokazale tudi pri oddaljenosti od avtocest in najbližjega soseda ter v nadmorski višini gnezdišč, čeprav ob zbranih podatkih nismo mogli potrditi ali gre za resnično različne gnezditvene preference, ali zgolj za različno razpoložljivost ustreznih gnezdišč med JZ in SV Slovenijo.

Language:Slovenian
Keywords:velika uharica, severovzhodna Slovenija, zgodovinska razširjenost, gnezditvene navade, primerjava popualcij SV in JZ Slovenije
Work type:Master's thesis/paper (mb22)
Organization:BF - Biotechnical Faculty
Year:2019
COBISS.SI-ID:4987727 This link opens in a new window
Views:533
Downloads:251
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Secondary language

Language:English
Title:Occurrence and nest sites of the Eagle Owl (Bubo bubo) in NE Slovenia
Abstract:
The Eagle Owl (Bubo bubo) is the largest owl in Slovenia, which was considered to be mostly located in the southwestern part of Slovenia, while the occurrence in northeastern Slovenia is a relatively new phenomenon. At present, more than 50 sites in the north-eastern part of Slovenia are known. The Eagle Owl was found nesting in a large proportion in quarries, which is quite specific compared to south-west Slovenia. The aim of this study was to review the historical occurrence of the Eagle Owl and to compare the breeding habits between southwestern and northeastern Slovenia. With comparison we assessed whether it is the same population or not. We have found that Eagle Owl in north-eastern Slovenia has been present since at least the 19th century and that its presence and distribution has changed greatly due to hunting. We also confirmed differences between populations in the type of their nesting sites, since Eagle Owl in the northeastern part of Slovenia nests in active quarries (45% of population), which is not typical for the southwestern population. The collected data indicates significant differences in the type of nesting site. Differences between NE and SW were also confirmed in the distance to the motorways and the nearest neighbouring owl nest site, and in the altitudinal distribution of nests. Unfortunately, due to lack of data we could not confirm, if these differences are the result of habitat selection or result of habitat availability.

Keywords:Eagle Owl, northeast Slovenia, historical widespread, nesting, comparison between population of NE and SW regions of Slovenia

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