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Statements

Subject Item
n2:RIV%2F68081766%3A_____%2F12%3A00393127%21RIV14-GA0-68081766
rdf:type
skos:Concept n10:Vysledek
rdfs:seeAlso
http://www.tandfonline.com/doi/abs/10.1560/IJEE.58.4.279
dcterms:description
Research on sexual selection has tended to focus on indirect benefits of female mating decisions, and few attempts have been made to quantify the relative effect of direct and indirect selection simultaneously. Here we compared direct and indirect selection on female mating decisions in the rose bitterling (Rhodeus ocellatus), a fish with a resource-based mating system, using experimental treatments with equivalent consequences for female reproductive success. Direct selection was varied by manipulating the quality of sites available to females for oviposition, and indirect selection by presenting females with males of known genetic compatibility. Manipulating the strength of direct and indirect selection had specific, quantified consequences for embryo survival during incubation. There was a significant effect of both direct and indirect selection on female mating decisions, though direct selection accounted for more variance in female oviposition rate compared with indirect. No interaction between direct and indirect selection was detected. Although effects on female reproductive success were additive, selection for direct mate choice benefits appears to be stronger than for indirect benefits. A possible explanation for weaker selection on indirect benefits in the study species is because females are constrained in making mate choice decisions through alternative male mating tactics, which generate a sexual conflict. Research on sexual selection has tended to focus on indirect benefits of female mating decisions, and few attempts have been made to quantify the relative effect of direct and indirect selection simultaneously. Here we compared direct and indirect selection on female mating decisions in the rose bitterling (Rhodeus ocellatus), a fish with a resource-based mating system, using experimental treatments with equivalent consequences for female reproductive success. Direct selection was varied by manipulating the quality of sites available to females for oviposition, and indirect selection by presenting females with males of known genetic compatibility. Manipulating the strength of direct and indirect selection had specific, quantified consequences for embryo survival during incubation. There was a significant effect of both direct and indirect selection on female mating decisions, though direct selection accounted for more variance in female oviposition rate compared with indirect. No interaction between direct and indirect selection was detected. Although effects on female reproductive success were additive, selection for direct mate choice benefits appears to be stronger than for indirect benefits. A possible explanation for weaker selection on indirect benefits in the study species is because females are constrained in making mate choice decisions through alternative male mating tactics, which generate a sexual conflict.
dcterms:title
A comparison of the impact of direct and indirect benefits of mating decisions in the rose bitterling (Rhodeus ocellatus) A comparison of the impact of direct and indirect benefits of mating decisions in the rose bitterling (Rhodeus ocellatus)
skos:prefLabel
A comparison of the impact of direct and indirect benefits of mating decisions in the rose bitterling (Rhodeus ocellatus) A comparison of the impact of direct and indirect benefits of mating decisions in the rose bitterling (Rhodeus ocellatus)
skos:notation
RIV/68081766:_____/12:00393127!RIV14-GA0-68081766
n10:predkladatel
n13:ico%3A68081766
n3:aktivita
n18:P n18:I
n3:aktivity
I, P(GA206/09/1163)
n3:cisloPeriodika
4
n3:dodaniDat
n5:2014
n3:domaciTvurceVysledku
n8:9466703
n3:druhVysledku
n16:J
n3:duvernostUdaju
n12:S
n3:entitaPredkladatele
n14:predkladatel
n3:idSjednocenehoVysledku
120102
n3:idVysledku
RIV/68081766:_____/12:00393127
n3:jazykVysledku
n20:eng
n3:klicovaSlova
bitterling; direct selection; indirect selection; mate choice; oviposition; Rhodeus ocellatus
n3:klicoveSlovo
n9:direct%20selection n9:mate%20choice n9:indirect%20selection n9:oviposition n9:Rhodeus%20ocellatus n9:bitterling
n3:kodStatuVydavatele
IL - Stát Izrael
n3:kontrolniKodProRIV
[FD77EE9E8540]
n3:nazevZdroje
Israel Journal of Ecology & Evolution
n3:obor
n17:EG
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
4
n3:projekt
n19:GA206%2F09%2F1163
n3:rokUplatneniVysledku
n5:2012
n3:svazekPeriodika
58
n3:tvurceVysledku
Smith, C. Reichard, Martin Agbali, M. Spence, R.
n3:wos
000318985800002
s:issn
1565-9801
s:numberOfPages
10
n15:doi
10.1560/IJEE.58.4.279