About: Sex ratio and body size in Cobitis elongatoides and Sabanejewia balcanica (Cypriniformes; Cobitidae) from a thermal spring

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About: Sex ratio and body size in Cobitis elongatoides and Sabanejewia balcanica (Cypriniformes; Cobitidae) from a thermal spring Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The sex ratio of Cobitis elongatoides from a warm thermal spring in Rumania was balanced, while in Sabanejewia balcanica males made up 77% of the adult fish. In both species, body size at onset of maturation and maximum length were remarkably smaller than in other populations. Mature males of C. elongatoides measured 35 to 51 mm in total length while the largest female reached 69 mm. Males of S. balcanica measured 40 to 53 mm and the female up to 54 mm. We consider the dwarfism of the fish as well as the male-biased sex ratio in S. balcanica to be caused by the thermal regime in the spring. The sex ratio of Cobitis elongatoides from a warm thermal spring in Rumania was balanced, while in Sabanejewia balcanica males made up 77% of the adult fish. In both species, body size at onset of maturation and maximum length were remarkably smaller than in other populations. Mature males of C. elongatoides measured 35 to 51 mm in total length while the largest female reached 69 mm. Males of S. balcanica measured 40 to 53 mm and the female up to 54 mm. We consider the dwarfism of the fish as well as the male-biased sex ratio in S. balcanica to be caused by the thermal regime in the spring. (en) Poměr pohlaví u Cobitis elongatoides z teplých termálních pramenů v Rumunsku byl vyrovnaní, zatímco u Sabanejewia balcanica samci tvořili až 77% dospělých ryb. U obou druhů byla velikost těla na počátku dospělosti a maximální délka mnohem menší než v jiných populacích. Dospělí samci druhu C. elongatoides dosahovali celkovou délku 35 – 51 mm, největší samice pak měřily 69 mm. Samci S. balcanica měřili 40 – 53 mm a samice až 54 mm. Předpokládáme, že nanismus ryb stejně jako změna poměru pohlaví ve prospěch samců u S. balcanica jsou způsobeny termálními podmínkami v pramenech. (cs)
Title	Sex ratio and body size in Cobitis elongatoides and Sabanejewia balcanica (Cypriniformes; Cobitidae) from a thermal spring Sex ratio and body size in Cobitis elongatoides and Sabanejewia balcanica (Cypriniformes; Cobitidae) from a thermal spring (en) Poměr pohlaví a velikost těla u Cobitis elongatoides a Sabanejewia balcanica (Cypriniformes; Cobitidae) z termálních pramenů (cs)
skos:prefLabel	Sex ratio and body size in Cobitis elongatoides and Sabanejewia balcanica (Cypriniformes; Cobitidae) from a thermal spring Sex ratio and body size in Cobitis elongatoides and Sabanejewia balcanica (Cypriniformes; Cobitidae) from a thermal spring (en) Poměr pohlaví a velikost těla u Cobitis elongatoides a Sabanejewia balcanica (Cypriniformes; Cobitidae) z termálních pramenů (cs)
skos:notation	RIV/67985904:_____/08:00308683!RIV08-AV0-67985904
http://linked.open.../vavai/riv/strany	191;197
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA206/05/2556), P(IAA600450508), Z(AV0Z50450515)
http://linked.open...iv/cisloPeriodika	1-2
http://linked.open...vai/riv/dodaniDat	2008
http://linked.open...aciTvurceVysledku	Bohlen, Jörg
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 živočišné fyziologie a genetiky AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	394561
http://linked.open...ai/riv/idVysledku	RIV/67985904:_____/08:00308683
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	environmental sex determination; Fisher's principle; cobitine loach (en)
http://linked.open.../riv/klicoveSlovo	environmental sex determination Fisher's principle cobitine loach
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[BC84D0754569]
http://linked.open...i/riv/nazevZdroje	Folia zoologica
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	Phylogenetic relationships of loach fishes (Teleostei: Cobitoidea) as inferred by molecular markers and the role of polyploidisation in evolution Phylogenetic interrelations of the fish family Cobitidae: a multi-disciplinary approach including molecular gnetics, morphology and cytogenetics
http://linked.open...UplatneniVysledku	2008
http://linked.open...v/svazekPeriodika	57
http://linked.open...iv/tvurceVysledku	Bohlen, Jörg Freyhof, J. Nolte, A.
http://linked.open...n/vavai/riv/zamer	Genetic, functional and developmental potential of animal cells, tissues and organisms: their use in medicine, ecology and agriculture
issn	0139-7893
number of pages	7 (xsd:int)
is http://linked.open...avai/riv/vysledek of	Sex ratio and body size in Cobitis elongatoides and Sabanejewia balcanica (Cypriniformes; Cobitidae) from a thermal spring Sex ratio and body size in Cobitis elongatoides and Sabanejewia balcanica (Cypriniformes; Cobitidae) from a thermal spring Sex ratio and body size in Cobitis elongatoides and Sabanejewia balcanica (Cypriniformes; Cobitidae) from a thermal spring Sex ratio and body size in Cobitis elongatoides and Sabanejewia balcanica (Cypriniformes; Cobitidae) from a thermal spring

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