About: The effect of crowding and density on male mating behaviour in the rose bitterling (Rhodeus ocellatus)

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About: The effect of crowding and density on male mating behaviour in the rose bitterling (Rhodeus ocellatus) 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
Description	Female density and resource availability are two key variables that shape mating systems. Here we tested mean crowding, defined as the number of males per unit of resource, and density per se, defined as the number of individuals present per unit area, to investigate their effect on the mating system of Rhodeus ocellatus. Males were exposed to combinations of high and low levels of crowding and density, while the operational sex ratio was held constant. High levels of crowding significantly affected the proportion of mussel spawning sites defended by males and the proportion of mussels into which sperm was released. In contrast to theoretical predictions, neither density nor crowding influenced overall male aggressive behaviours. Density, but not crowding, had a significant effect on male courtship rate, which arose as a possible trade-off between intra-sexual competition and inter-sexual behaviour. Female density and resource availability are two key variables that shape mating systems. Here we tested mean crowding, defined as the number of males per unit of resource, and density per se, defined as the number of individuals present per unit area, to investigate their effect on the mating system of Rhodeus ocellatus. Males were exposed to combinations of high and low levels of crowding and density, while the operational sex ratio was held constant. High levels of crowding significantly affected the proportion of mussel spawning sites defended by males and the proportion of mussels into which sperm was released. In contrast to theoretical predictions, neither density nor crowding influenced overall male aggressive behaviours. Density, but not crowding, had a significant effect on male courtship rate, which arose as a possible trade-off between intra-sexual competition and inter-sexual behaviour. (en)
Title	The effect of crowding and density on male mating behaviour in the rose bitterling (Rhodeus ocellatus) The effect of crowding and density on male mating behaviour in the rose bitterling (Rhodeus ocellatus) (en)
skos:prefLabel	The effect of crowding and density on male mating behaviour in the rose bitterling (Rhodeus ocellatus) The effect of crowding and density on male mating behaviour in the rose bitterling (Rhodeus ocellatus) (en)
skos:notation	RIV/68081766:_____/10:00345138!RIV11-GA0-68081766
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA206/09/1163), Z(AV0Z60930519)
http://linked.open...iv/cisloPeriodika	8
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Reichard, Martin
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	255925
http://linked.open...ai/riv/idVysledku	RIV/68081766:_____/10:00345138
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	density-dependence; mating system; sexual selection; sperm competition; territoriality (en)
http://linked.open.../riv/klicoveSlovo	territoriality sexual selection density-dependence mating system sperm competition
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[F848FF8617BF]
http://linked.open...i/riv/nazevZdroje	Behaviour
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	Personalities, male mating tactics and role of females in sexual selection: studies on fish model systems
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	147
http://linked.open...iv/tvurceVysledku	Reichard, Martin Smith, C. Casalini, M.
http://linked.open...ain/vavai/riv/wos	000279562700006
http://linked.open...n/vavai/riv/zamer	Biodiverzita a ekologie obratlovců: Strategie ochrany a využívání přírodních populací
issn	0005-7959
number of pages	16 (xsd:int)

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