About: A sum of its individual parts? Relative contributions of different eggshell regions to intraclutch variation in birds

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About: A sum of its individual parts? Relative contributions of different eggshell regions to intraclutch variation in birds 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	Egg rejection in several species of hosts is based on cues only at the blunt pole and not at the sharp pole of the foreign and own eggshell. We investigated whether intraclutch variation is confined to a specific egg pole in species where the extent of intraclutch variation in the overall egg appearance is known to positively covary with either egg rejection rate or the probability of being parasitized. Pooling measurements of brightness across the whole egg surface led to statistically non-significant results and masked positive correlations of blunt pole brightness with egg rejection or parasitism risk, respectively. In contrast, patterns of blue chroma were important across the whole egg. We advocate the use of a combination of region-specific and whole-eggshell based colour metrics and manipulations in cognitive, perceptual, and ecological studies of foreign egg rejection. Egg rejection in several species of hosts is based on cues only at the blunt pole and not at the sharp pole of the foreign and own eggshell. We investigated whether intraclutch variation is confined to a specific egg pole in species where the extent of intraclutch variation in the overall egg appearance is known to positively covary with either egg rejection rate or the probability of being parasitized. Pooling measurements of brightness across the whole egg surface led to statistically non-significant results and masked positive correlations of blunt pole brightness with egg rejection or parasitism risk, respectively. In contrast, patterns of blue chroma were important across the whole egg. We advocate the use of a combination of region-specific and whole-eggshell based colour metrics and manipulations in cognitive, perceptual, and ecological studies of foreign egg rejection. (en)
Title	A sum of its individual parts? Relative contributions of different eggshell regions to intraclutch variation in birds A sum of its individual parts? Relative contributions of different eggshell regions to intraclutch variation in birds (en)
skos:prefLabel	A sum of its individual parts? Relative contributions of different eggshell regions to intraclutch variation in birds A sum of its individual parts? Relative contributions of different eggshell regions to intraclutch variation in birds (en)
skos:notation	RIV/68081766:_____/11:00364252!RIV12-AV0-68081766
http://linked.open...avai/riv/aktivita	I P S Z
http://linked.open...avai/riv/aktivity	I, P(GD524/05/H536), P(IAA600930605), P(LC06073), S, Z(AV0Z60930519), Z(MSM6198959212)
http://linked.open...iv/cisloPeriodika	4
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Procházka, Petr Honza, Marcel
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	184200
http://linked.open...ai/riv/idVysledku	RIV/68081766:_____/11:00364252
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	blunt egg pole; Great reed warblers; parasitic eggs; discrimination (en)
http://linked.open.../riv/klicoveSlovo	Great reed warblers blunt egg pole discrimination parasitic eggs
http://linked.open...odStatuVydavatele	DK - Dánské království
http://linked.open...ontrolniKodProRIV	[E3ADBB48FD7E]
http://linked.open...i/riv/nazevZdroje	Journal of avian biology
http://linked.open...in/vavai/riv/obor	EG
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Evolutionary ecological analysis of biological systems: research centrum for PhD studies Evolution of antiparasitic strategies of selected hosts towards avian brood parasitism Biodiversity Research Center
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	42
http://linked.open...iv/tvurceVysledku	Cassey, P. Grim, T. Hauber, M. E. Honza, Marcel Polačiková, L. Procházka, Petr
http://linked.open...ain/vavai/riv/wos	000295051800011
http://linked.open...n/vavai/riv/zamer	Biodiverzita a ekologie obratlovců: Strategie ochrany a využívání přírodních populací Life-history strategies of animals: proximate and ultimate mechanisms
issn	0908-8857
number of pages	4 (xsd:int)
http://bibframe.org/vocab/doi	10.1111/j.1600-048X.2011.05202.x

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