About: Rapid growth, early maturation and short generation time in African annual fishes

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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	Extreme environmental conditions can give rise to extreme adaptations. We document growth, sexual maturation and fecundity in two species of African annual fish inhabiting temporary savanna pools. Nothobranchius kadleci started to reproduce at the age of 17 days and size of 31 mm and Nothobranchius furzeri at 18 days and 32 mm. All four study populations demonstrated rapid growth rates of up to 2.72 mm/day (23.4% of their total length). Both species may produce diapausing embryos or embryos that are able to hatch in as few as 15 days, resulting in a minimum generation time as short as only one month. Incubation on the surface of damp peat moss results in high embryo survival (73%) and a high proportion of rapidly developing embryos (58%) that skip diapauses and hatch in less than 30 days. We further demonstrated that rapid growth and maturation do not compromise subsequent fecundity. Our data suggest that both species have the most rapid sexual maturation and minimum generation time of any vertebrate species, and that rapid maturity does not involve paedogenesis. Extreme environmental conditions can give rise to extreme adaptations. We document growth, sexual maturation and fecundity in two species of African annual fish inhabiting temporary savanna pools. Nothobranchius kadleci started to reproduce at the age of 17 days and size of 31 mm and Nothobranchius furzeri at 18 days and 32 mm. All four study populations demonstrated rapid growth rates of up to 2.72 mm/day (23.4% of their total length). Both species may produce diapausing embryos or embryos that are able to hatch in as few as 15 days, resulting in a minimum generation time as short as only one month. Incubation on the surface of damp peat moss results in high embryo survival (73%) and a high proportion of rapidly developing embryos (58%) that skip diapauses and hatch in less than 30 days. We further demonstrated that rapid growth and maturation do not compromise subsequent fecundity. Our data suggest that both species have the most rapid sexual maturation and minimum generation time of any vertebrate species, and that rapid maturity does not involve paedogenesis. (en)
Title	Rapid growth, early maturation and short generation time in African annual fishes Rapid growth, early maturation and short generation time in African annual fishes (en)
skos:prefLabel	Rapid growth, early maturation and short generation time in African annual fishes Rapid growth, early maturation and short generation time in African annual fishes (en)
skos:notation	RIV/68081766:_____/13:00395355!RIV14-GA0-68081766
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GAP506/11/0112)
http://linked.open...iv/cisloPeriodika	24
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Polačik, Matej Reichard, Martin Blažek, Radim
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	101481
http://linked.open...ai/riv/idVysledku	RIV/68081766:_____/13:00395355
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	extreme life history; annual fish; explosive growth; rapid maturation; generation time; killifish; diapause; vertebrate; reaction norm; Savanna (en)
http://linked.open.../riv/klicoveSlovo	diapause killifish Savanna annual fish explosive growth extreme life history generation time rapid maturation reaction norm vertebrate
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[061B8F83B603]
http://linked.open...i/riv/nazevZdroje	EvoDevo
http://linked.open...in/vavai/riv/obor	EG
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	The evolution and life-history consequences of rapid ageing
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	4
http://linked.open...iv/tvurceVysledku	Polačik, Matej Reichard, Martin Blažek, Radim
http://linked.open...ain/vavai/riv/wos	000324147200001
issn	2041-9139
number of pages	7 (xsd:int)
http://bibframe.org/vocab/doi	10.1186/2041-9139-4-24

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