Ural Owl Strix uralensis Population Dynamics and Range Expansion in Western Ukraine

Ardea

Andriy-Taras Bashta¹ 

[1] 1 Institute of Ecology of the Carpathians, Koselnytska st. 4, Lviv 79026 Ukraine ([e-mail])

关键词: Western Ukraine;   

DOI  :  

学科分类：动物科学

来源: Nederlandse Ornithologische Unie/Netherlands Ornithological Union

【 摘 要 】

Untiltheendofthe20thcentury,thedistributionoftheUralOwlStrixuralensiswaslimitedtotheCarpathianMountainareaofsouthwesternUkraine.TheabundanceanddistributionofUralOwlsintheUkrainianRoztochchyaareawasinvestigatedin2005and2007;thedensityofowlswasfoundtobe1.7–2.0pairs/10km2.Thespecieswasaveryrarevagrantinthisareaatthebeginningof1990s.ThepopulationoftheowlhasexpandedinthepastdecadeanditisnowacommonspeciesinalmostallofwesternUkraine.Thefirstindicationofachangeintheowlpopulationwasthroughanincreaseinthenumberofwinteringspecimens(includingthosekilledonroads).TheUralOwlprefersoldbeechandrarelyusesmixedforestsinnewlysettledforestareas.

【 授权许可】

Unknown