About: Sex differences in ventral side colouration of Alpine newts

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About: Sex differences in ventral side colouration of Alpine newts 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)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://www.tandfonline.com/doi/pdf/10.1080/15659801.2014.937078#.VV17Hvntmko
Description	Sexual selection based on visual stimuli was recently studied in several amphibian species with permanent or temporary dichromatism. The Alpine newt (Ichthyosaura alpestris) is a Caudate species with prominent sexual dichromatism during the breeding period. We focused on the intersexual differences in the orange, carotenoid-base ventral colouration of this widespread European species. We used an image analysis approach to compare the content of the red colour and saturation of the belly in 80 male and 62 female aquatic adult newts captured during spring migration in two localities in the Czech Republic. Both studied colour parameters of the ventral side of the Alpine newt are connected with sex. Males have significantly higher values of saturation on both localities, but the relationship with red content was not so clear. Individual characteristics (body condition, body length) affect colour variables of males and females similarly. Effect of body condition on colour variables was not demonst Sexual selection based on visual stimuli was recently studied in several amphibian species with permanent or temporary dichromatism. The Alpine newt (Ichthyosaura alpestris) is a Caudate species with prominent sexual dichromatism during the breeding period. We focused on the intersexual differences in the orange, carotenoid-base ventral colouration of this widespread European species. We used an image analysis approach to compare the content of the red colour and saturation of the belly in 80 male and 62 female aquatic adult newts captured during spring migration in two localities in the Czech Republic. Both studied colour parameters of the ventral side of the Alpine newt are connected with sex. Males have significantly higher values of saturation on both localities, but the relationship with red content was not so clear. Individual characteristics (body condition, body length) affect colour variables of males and females similarly. Effect of body condition on colour variables was not demonst (en)
Title	Sex differences in ventral side colouration of Alpine newts Sex differences in ventral side colouration of Alpine newts (en)
skos:prefLabel	Sex differences in ventral side colouration of Alpine newts Sex differences in ventral side colouration of Alpine newts (en)
skos:notation	RIV/60460709:41210/14:64263!RIV15-MV0-41210___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(VG20132015133)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Šichtař, Jiří Kopecký, Oldřich
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 agrobiologie, potravinových a přírodních zdrojů
http://linked.open...dnocenehoVysledku	44645
http://linked.open...ai/riv/idVysledku	RIV/60460709:41210/14:64263
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	body condition, carotenoids, Caudata, dimorphism, sexual selection, skin colour (en)
http://linked.open.../riv/klicoveSlovo	sexual selection body condition dimorphism skin colour Caudata carotenoids
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[065B00DC975A]
http://linked.open...i/riv/nazevZdroje	Israel Journal of Ecology & Evolution
http://linked.open...in/vavai/riv/obor	EG
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Introduction of artificial insemination with the long-term frozen sperm in the reproduction of service dogs of the Police of the Czech Republic
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	60
http://linked.open...iv/tvurceVysledku	Šichtař, Jiří Kopecký, Oldřich
http://linked.open...ain/vavai/riv/wos	000340392400004
issn	1565-9801
number of pages	6 (xsd:int)
http://localhost/t...ganizacniJednotka	41210

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