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Statements

Subject Item
n2:RIV%2F68081766%3A_____%2F02%3A67020020%21RIV%2F2003%2FAV0%2FA67003%2FN
rdf:type
n6:Vysledek skos:Concept
dcterms:description
Sexual selection may operate through either direct selection on preference genes or indirect genetic benefits. However, in many species both direct and indirect selection may operate and can influence female mate and oviposition choice. Adaptations by males for sperm competition can also affect female mate and oviposition choice and can lead to sexual conflict. We investigated the role of direct and indirect benefits and male adaptation to sperm competition for female oviposition decisions in the bitterling, Rhodeus sericeus, a freshwater fish that spawns on the gills of living unionid mussels. Field experiments showed that females chose mussels for spawning on the basis of the number of embryos already in mussels and the body size and/or extent of red coloration of the eyes of territorial males. There was also a significant interaction between these direct and indirect benefits of oviposition choice. Territorial male bitterling avoided leading females to mussels into which rivals had already released Sexual selection may operate through either direct selection on preference genes or indirect genetic benefits. However, in many species both direct and indirect selection may operate and can influence female mate and oviposition choice. Adaptations by males for sperm competition can also affect female mate and oviposition choice and can lead to sexual conflict. We investigated the role of direct and indirect benefits and male adaptation to sperm competition for female oviposition decisions in the bitterling, Rhodeus sericeus, a freshwater fish that spawns on the gills of living unionid mussels. Field experiments showed that females chose mussels for spawning on the basis of the number of embryos already in mussels and the body size and/or extent of red coloration of the eyes of territorial males. There was also a significant interaction between these direct and indirect benefits of oviposition choice. Territorial male bitterling avoided leading females to mussels into which rivals had already released
dcterms:title
Sexual conflict, sexual selection and sperm competition in the spawning decisions of bitterling, Rhodeus sericeus. Sexual conflict, sexual selection and sperm competition in the spawning decisions of bitterling, Rhodeus sericeus.
skos:prefLabel
Sexual conflict, sexual selection and sperm competition in the spawning decisions of bitterling, Rhodeus sericeus. Sexual conflict, sexual selection and sperm competition in the spawning decisions of bitterling, Rhodeus sericeus.
skos:notation
RIV/68081766:_____/02:67020020!RIV/2003/AV0/A67003/N
n3:strany
433;439
n3:aktivita
n11:Z
n3:aktivity
Z(AV0Z6093917)
n3:cisloPeriodika
5
n3:dodaniDat
n10:2003
n3:domaciTvurceVysledku
n14:6271685
n3:druhVysledku
n15:J
n3:duvernostUdaju
n9:S
n3:entitaPredkladatele
n12:predkladatel
n3:idSjednocenehoVysledku
663406
n3:idVysledku
RIV/68081766:_____/02:67020020
n3:jazykVysledku
n17:eng
n3:klicovaSlova
Acheilognathinae; alternative mating tactics; mate choice
n3:klicoveSlovo
n4:Acheilognathinae n4:alternative%20mating%20tactics n4:mate%20choice
n3:kodStatuVydavatele
DE - Spolková republika Německo
n3:kontrolniKodProRIV
[AACAB1BDB5B3]
n3:nazevZdroje
Behavioral Ecology and Sociobiology
n3:obor
n16:EG
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
3
n3:pocetUcastnikuAkce
0
n3:pocetZahranicnichUcastnikuAkce
0
n3:rokUplatneniVysledku
n10:2002
n3:svazekPeriodika
51
n3:tvurceVysledku
Douglas, A. Smith, C. Jurajda, Pavel
n3:zamer
n5:AV0Z6093917
s:issn
0340-5443
s:numberOfPages
7