Literatur vom gleichen Autor/der gleichen Autor*in
plus bei Google Scholar

Bibliografische Daten exportieren
 

Temporal migration patterns and mating tactics influence size-assortative mating in Rana temporaria

Titelangaben

Dittrich, Carolin ; Rodríguez, Ariel ; Segev, Ori ; Drakulić, Sanja ; Feldhaar, Heike ; Vences, Miguel ; Rödel, Mark-Oliver:
Temporal migration patterns and mating tactics influence size-assortative mating in Rana temporaria.
In: Behavioral Ecology. Bd. 29 (2018) . - S. 418-428.
ISSN 1465-7279
DOI: https://doi.org/10.1093/beheco/arx188

Angaben zu Projekten

Projektfinanzierung: The field work in Fabrikschleichach was partly supported by an innovation fond of Museum für Naturkunde Berlin
C.D. was funded by a PhD scholarship from Elsa-Neumann Foundation of the Federal State of Berlin
The fee for the open access option was funded by the Museum für Naturkunde Berlin

Abstract

Assortative mating is a common pattern in sexually reproducing species, but the mechanisms leading to assortment remain poorly understood. By using the European common frog (Rana temporaria) as a model, we aim to understand the mechanisms leading to size-assortative mating in amphibians. With data from natural populations collected over several years, we first show a consistent pattern of size-assortative mating across our 2 study populations. We subsequently ask if assortative mating may be explained by mate availability due to temporal segregation of migrating individuals with specific sizes. With additional experiments, we finally assess whether size-assortative mating is adaptive, i.e. influenced by mating competition among males, or by reduced fertilization in size-mismatched pairs. We find that size-assortative mating is in accordance with differences in mate availability during migration, where larger individuals of both sexes reach breeding ponds earlier than smaller individuals. We observe an indiscriminate mate choice behavior of small males and an advantage of larger males pairing with females during scramble competition. The tactic of small males, to be faster and less discriminative than large males, may increase their chances to get access to females. Experimental tests indicate that the fertilization success is not affected by size assortment. However, since female fecundity is highly correlated with body size, males preferring larger females should maximize their number of offspring. Therefore, we conclude that in this frog species mate choice is more complex than formerly believed.

Weitere Angaben

Publikationsform: Artikel in einer Zeitschrift
Begutachteter Beitrag: Ja
Zusätzliche Informationen: BAYCEER144573
Keywords: amphibia; evolution; male–male competition; reproductive strategy; assortment by chance
Institutionen der Universität: Fakultäten
Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften
Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften > Fachgruppe Biologie
Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften > Fachgruppe Biologie > Lehrstuhl Tierökologie I
Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften > Fachgruppe Biologie > Professur Populationsökologie der Tiere
Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften > Fachgruppe Biologie > Professur Populationsökologie der Tiere > Professur Populationsökologie der Tiere - Univ.-Prof. Dr. Heike Feldhaar
Forschungseinrichtungen
Forschungseinrichtungen > Forschungszentren > Bayreuther Zentrum für Ökologie und Umweltforschung - BayCEER
Forschungseinrichtungen > Forschungszentren
Titel an der UBT entstanden: Ja
Themengebiete aus DDC: 500 Naturwissenschaften und Mathematik > 500 Naturwissenschaften
500 Naturwissenschaften und Mathematik > 570 Biowissenschaften; Biologie
500 Naturwissenschaften und Mathematik > 590 Tiere (Zoologie)
Eingestellt am: 19 Mär 2018 07:17
Letzte Änderung: 17 Mai 2023 09:22
URI: https://eref.uni-bayreuth.de/id/eprint/42893