About: Seasonal dynamics in population characteristics of European bitterling Rhodeus amarus in a small lowland river

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The seasonal dynamics of biological traits in a population of European bitterling Rhodeus amarus from a small river in central Europe (River Kyjovka) were investigated from April 2007 to March 2008. The reproductive season lasted from early April to mid-June, with a peak in late April when >50% of females possessed ripe eggs in their ovaries. The sex ratio was female-biased, with a higher bias following the peak in reproduction, suggesting higher mortality of males than females over the reproductive period. The population was effectively annual, with a major decrease in adult fish abundance at the end of the reproductive period. Highest relative lipid content and condition factor were observed in February, both decreasing with an increase in investment into gonads. Seasonal dynamics in somatic condition, relative lipid content and gonad mass, and their comparison with other R. amarus populations, suggest that the study population allocated a disproportionally high level of resources to reproduction. The seasonal dynamics of biological traits in a population of European bitterling Rhodeus amarus from a small river in central Europe (River Kyjovka) were investigated from April 2007 to March 2008. The reproductive season lasted from early April to mid-June, with a peak in late April when >50% of females possessed ripe eggs in their ovaries. The sex ratio was female-biased, with a higher bias following the peak in reproduction, suggesting higher mortality of males than females over the reproductive period. The population was effectively annual, with a major decrease in adult fish abundance at the end of the reproductive period. Highest relative lipid content and condition factor were observed in February, both decreasing with an increase in investment into gonads. Seasonal dynamics in somatic condition, relative lipid content and gonad mass, and their comparison with other R. amarus populations, suggest that the study population allocated a disproportionally high level of resources to reproduction. (en)
Title	Seasonal dynamics in population characteristics of European bitterling Rhodeus amarus in a small lowland river Seasonal dynamics in population characteristics of European bitterling Rhodeus amarus in a small lowland river (en)
skos:prefLabel	Seasonal dynamics in population characteristics of European bitterling Rhodeus amarus in a small lowland river Seasonal dynamics in population characteristics of European bitterling Rhodeus amarus in a small lowland river (en)
skos:notation	RIV/68081766:_____/11:00358427!RIV12-AV0-68081766
http://linked.open...avai/predkladatel	Ústav biologie obratlovců AV ČR, v.v.i.
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	1
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Reichard, Martin Konečná, Markéta
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	228481
http://linked.open...ai/riv/idVysledku	RIV/68081766:_____/11:00358427
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	bitterling; annual life cycle; ecophysiology; gonado-somatic index; lipid content; somatic condition (en)
http://linked.open.../riv/klicoveSlovo	annual life cycle bitterling gonado-somatic index lipid content somatic condition ecophysiology
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[E21346BB15DC]
http://linked.open...i/riv/nazevZdroje	Journal of Fish Biology
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	Personalities, male mating tactics and role of females in sexual selection: studies on fish model systems
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	78
http://linked.open...iv/tvurceVysledku	Reichard, Martin Konečná, Markéta
http://linked.open...ain/vavai/riv/wos	000286214100015
http://linked.open...n/vavai/riv/zamer	Biodiverzita a ekologie obratlovců: Strategie ochrany a využívání přírodních populací
issn	0022-1112
number of pages	13 (xsd:int)
http://bibframe.org/vocab/doi	10.1111/j.1095-8649.2010.02854.x
is http://linked.open...avai/riv/vysledek of	Seasonal dynamics in population characteristics of European bitterling Rhodeus amarus in a small lowland river Seasonal dynamics in population characteristics of European bitterling Rhodeus amarus in a small lowland river

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