About: Age-specific effect of parity on litter size in the common vole (Microtus arvalis).

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About: Age-specific effect of parity on litter size in the common vole (Microtus arvalis). 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	The 'triangular' pattern of reproduction in arvicoline rodents predicts small fecundity early and late in life and high fecundity in the middle. In producing this pattern, the effects of maternal age and parity are typically highly confounded. We present results of a laboratory study designed to disentangle these effects in the common vole (Microtus arvalis) by analyzing variation in sizes of the first 2 litters born to 3 age classes of females subjected to photoperiods of 8 h and 16 h of light. Although the youngest females, paired at 2 weeks of age, decreased size of the 2nd litter in either light environment, the older 2 classes, paired at 3-4 months and 1 year of age, increased their 2nd litters, as predicted by the triangular pattern. This age-specific effect of parity could be explained by differences in the size of 1st litters. The 'triangular' pattern of reproduction in arvicoline rodents predicts small fecundity early and late in life and high fecundity in the middle. In producing this pattern, the effects of maternal age and parity are typically highly confounded. We present results of a laboratory study designed to disentangle these effects in the common vole (Microtus arvalis) by analyzing variation in sizes of the first 2 litters born to 3 age classes of females subjected to photoperiods of 8 h and 16 h of light. Although the youngest females, paired at 2 weeks of age, decreased size of the 2nd litter in either light environment, the older 2 classes, paired at 3-4 months and 1 year of age, increased their 2nd litters, as predicted by the triangular pattern. This age-specific effect of parity could be explained by differences in the size of 1st litters. (en)
Title	Age-specific effect of parity on litter size in the common vole (Microtus arvalis). Age-specific effect of parity on litter size in the common vole (Microtus arvalis). (en)
skos:prefLabel	Age-specific effect of parity on litter size in the common vole (Microtus arvalis). Age-specific effect of parity on litter size in the common vole (Microtus arvalis). (en)
skos:notation	RIV/68081766:_____/01:67010009!RIV/2003/AV0/A67003/N
http://linked.open.../vavai/riv/strany	545;550
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA524/96/1095), P(KSK2005601), Z(AV0Z6093917)
http://linked.open...iv/cisloPeriodika	2
http://linked.open...vai/riv/dodaniDat	2003
http://linked.open...aciTvurceVysledku	Tkadlec, Emil
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	672689
http://linked.open...ai/riv/idVysledku	RIV/68081766:_____/01:67010009
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	age-specific fecundity; arvicolines; cost of reproduction (en)
http://linked.open.../riv/klicoveSlovo	age-specific fecundity arvicolines cost of reproduction
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[BF4C6F49C0FA]
http://linked.open...i/riv/nazevZdroje	Journal of Mammalogy
http://linked.open...in/vavai/riv/obor	EG
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...ocetUcastnikuAkce	0 (xsd:int)
http://linked.open...nichUcastnikuAkce	0 (xsd:int)
http://linked.open...vavai/riv/projekt	Precocious breeding: a new reproductive phenomen in voles? Biodiversity and functions of ecological systems
http://linked.open...UplatneniVysledku	2001
http://linked.open...v/svazekPeriodika	82
http://linked.open...iv/tvurceVysledku	Tkadlec, Emil Krejčová, P.
http://linked.open...n/vavai/riv/zamer	Diversity and life history of free-living vertebrates and implication of results in the strategy of conservation and sustainable management of natural resources
issn	0022-2372
number of pages	6 (xsd:int)

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