About: Do weather conditions affect the colouration of great reed warbler Acrocephalus arundinaceus eggs?

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About: Do weather conditions affect the colouration of great reed warbler Acrocephalus arundinaceus eggs? Goto Sponge NotDistinct Permalink

An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The goal of this paper was to test the hypothesis that weather conditions, such as temperature and rainfall, affect egg colouration in the great reed warbler Acrocephalus arundinaceus. We failed to find strong support for this hypothesis; nevertheless, our results indicate that temperature has an effect on some egg colour characteristics. Eggshell brightness (PC1) increased with increasing temperature at laying and eggs were darker in the colder year of the two-year study. On the other hand, UV-blue colouration (PC2) scores were higher in the warmer year. The amount of rainfall, however, had no effect on eggshell colouration. As there is an indication from other studies that weather may have an effect on egg appearance through the food availability, we encourage further testing the environmental hypothesis in other bird species. If this holds for more bird species, this would have important implications for the hypotheses about the adaptive function of bright eggshell colouration. The goal of this paper was to test the hypothesis that weather conditions, such as temperature and rainfall, affect egg colouration in the great reed warbler Acrocephalus arundinaceus. We failed to find strong support for this hypothesis; nevertheless, our results indicate that temperature has an effect on some egg colour characteristics. Eggshell brightness (PC1) increased with increasing temperature at laying and eggs were darker in the colder year of the two-year study. On the other hand, UV-blue colouration (PC2) scores were higher in the warmer year. The amount of rainfall, however, had no effect on eggshell colouration. As there is an indication from other studies that weather may have an effect on egg appearance through the food availability, we encourage further testing the environmental hypothesis in other bird species. If this holds for more bird species, this would have important implications for the hypotheses about the adaptive function of bright eggshell colouration. (en)
Title	Do weather conditions affect the colouration of great reed warbler Acrocephalus arundinaceus eggs? Do weather conditions affect the colouration of great reed warbler Acrocephalus arundinaceus eggs? (en)
skos:prefLabel	Do weather conditions affect the colouration of great reed warbler Acrocephalus arundinaceus eggs? Do weather conditions affect the colouration of great reed warbler Acrocephalus arundinaceus eggs? (en)
skos:notation	RIV/68081766:_____/12:00383654!RIV13-AV0-68081766
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(IAA600930903), P(LC06073)
http://linked.open...iv/cisloPeriodika	3-4
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Procházka, Petr Honza, Marcel Požgayová, Milica
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	Ústav biologie obratlovců AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	131795
http://linked.open...ai/riv/idVysledku	RIV/68081766:_____/12:00383654
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	egg appearance; passerines; precipitation; temperature; UV reflectance (en)
http://linked.open.../riv/klicoveSlovo	temperature precipitation UV reflectance egg appearance passerines
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[E471D299D8FF]
http://linked.open...i/riv/nazevZdroje	Folia zoologica
http://linked.open...in/vavai/riv/obor	EG
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Cues, recognition and responses in a coevolutionary arms race between brood parasites and their hosts Biodiversity Research Center
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	61
http://linked.open...iv/tvurceVysledku	Honza, Marcel Požgayová, Milica Procházka, Petr
http://linked.open...ain/vavai/riv/wos	000313606500004
issn	0139-7893
number of pages	6 (xsd:int)

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