About: Do Tengmalm´s Owls alter parental feeding effort under varying conditions of main prey availability?

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	We studied the diet composition and behavioural responses to variable food conditions in Tengmalm´s Owls. The abundances of main prey (voles and mice) of owls were higher in the Ore Mts., Czech Republic, than in the Kauhava region, Finland. We monitored nests continuously by a camera system to estimate the feeding frequency and to identify prey items provided to nestlings. We recorded 990 prey deliveries at six nests in the Ore Mts. and 1679 prey deliveries at nine nests in the Kauhava region. Mice (Apodemus) and voles (Microtus and Clethrionomys) were the main foods of owls in the Ore Mts., whereas voles (Clethrionomys and Microtus) and shrews (Sorex) were the main foods in the Kauhava region. In consequence, on average smaller prey items were brought to nestlings at the Finnish site. However, both absolute and relative (per one nestling) feeding frequency was higher in the Kauhava region and the biomass available to individual nestlings did not differ between the two areas. We studied the diet composition and behavioural responses to variable food conditions in Tengmalm´s Owls. The abundances of main prey (voles and mice) of owls were higher in the Ore Mts., Czech Republic, than in the Kauhava region, Finland. We monitored nests continuously by a camera system to estimate the feeding frequency and to identify prey items provided to nestlings. We recorded 990 prey deliveries at six nests in the Ore Mts. and 1679 prey deliveries at nine nests in the Kauhava region. Mice (Apodemus) and voles (Microtus and Clethrionomys) were the main foods of owls in the Ore Mts., whereas voles (Clethrionomys and Microtus) and shrews (Sorex) were the main foods in the Kauhava region. In consequence, on average smaller prey items were brought to nestlings at the Finnish site. However, both absolute and relative (per one nestling) feeding frequency was higher in the Kauhava region and the biomass available to individual nestlings did not differ between the two areas. (en)
Title	Do Tengmalm´s Owls alter parental feeding effort under varying conditions of main prey availability? Do Tengmalm´s Owls alter parental feeding effort under varying conditions of main prey availability? (en)
skos:prefLabel	Do Tengmalm´s Owls alter parental feeding effort under varying conditions of main prey availability? Do Tengmalm´s Owls alter parental feeding effort under varying conditions of main prey availability? (en)
skos:notation	RIV/60460709:41330/09:25498!RIV10-MSM-41330___
http://linked.open...avai/riv/aktivita	P S Z
http://linked.open...avai/riv/aktivity	P(LC06073), S, Z(MSM0021620828)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Zárybnická, Markéta
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Česká zemědělská univerzita v Praze / Fakulta životního prostředí
http://linked.open...dnocenehoVysledku	311035
http://linked.open...ai/riv/idVysledku	RIV/60460709:41330/09:25498
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Aegolius funereus, feeding frequency, diet, parental effort (en)
http://linked.open.../riv/klicoveSlovo	Aegolius funereus feeding frequency diet - livestock depredation - predator - prey density - scat analysis parental effort
http://linked.open...odStatuVydavatele	DE - Spolková republika Německo
http://linked.open...ontrolniKodProRIV	[EE079A9C34F5]
http://linked.open...i/riv/nazevZdroje	Journal of Ornithology
http://linked.open...in/vavai/riv/obor	EG
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Biodiversity Research Center
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	150
http://linked.open...iv/tvurceVysledku	Zárybnická, Markéta Sedláček, Ondřej Korpimäki, Erkki
http://linked.open...n/vavai/riv/zamer	Ekologické procesy v evoluci modelových skupin organismů
issn	0021-8375
number of pages	7 (xsd:int)
http://localhost/t...ganizacniJednotka	41330

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