Ardea | |
Predation Risk of Tawny Owl Strix aluco Nests in Relation to Altitude, Breeding Experience, Breeding Density and Weather Conditions | |
Lajos Sasvári1  Zoltán Hegyi2  | |
[1] 1 Department of Zoology, Eszterházy Károly College of Education, H-3300 Eger, Leányka u. 6, Hungary;2 Management of Duna-Ipoly National Park, H-1021 Budapest, Hűvösvölgyi út 52, Hungary | |
关键词: Tawny Owl; | |
DOI : | |
学科分类:动物科学 | |
来源: Nederlandse Ornithologische Unie/Netherlands Ornithological Union | |
【 摘 要 】
NestpredationwasstudiedinapopulationofTawnyOwlsStrixalucointheDuna-IpolyNationalPark,Hungaryduringtheperiod1992–2009,andrelatedtothechoiceofnestingsitesatdifferentaltitudes,thebreedingexperienceofmales,andweatherconditions.Theuseofnestingsitesathighelevationsreducedtheriskofnestpredationincomparisontolowerelevations,wherebreedingterritoriesoccuratahigherdensity.Also,theriskofnestpredationdecreasedasthelocalbreedingexperienceofmalesincreased.Adverseweatherconditions,i.e.long-lastingsnowcover,increasingbreedingdensity,andlaterlayingdatesenhancedtheprobabilityofbreedingfailurebynestpredation.Broodsweredepredatedinthenestlingperiodratherthanduringincubation.
【 授权许可】
Unknown
【 预 览 】
Files | Size | Format | View |
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RO201912090719624ZK.pdf | 89KB | download |