Alternative reproductive tactics are associated with sperm performance in invasive round goby from two different salinity environments
Sign Up to like & getrecommendations! Published in 2020 at "Ecology and Evolution"
DOI: 10.1002/ece3.6657
Abstract: Abstract During male–male competition, evolution can favor alternative reproductive tactics. This often results in a dominant morph that holds a resource, such as a nest for egg laying, which competes with a smaller sneaker morph… read more here.
Keywords: sneaker tactics; reproductive tactics; sperm performance; salinity ... See more keywords
Alternative Reproductive Strategies Provide a Flexible Mechanism for Assuring Mating Success in the European Badgers (Meles meles): an investigation from hormonal measures.
Sign Up to like & getrecommendations! Published in 2021 at "General and comparative endocrinology"
DOI: 10.1016/j.ygcen.2021.113823
Abstract: Selection-pressures differ with population density, but few studies investigate how this can affect reproductive physiology. European badger (Meles meles) density varies from solitary to group-living across their range, with reported mating periods throughout the entire… read more here.
Keywords: mating periods; high density; mating; density ... See more keywords
Alternative reproductive adaptations predict asymmetric responses to climate change in lizards
Sign Up to like & getrecommendations! Published in 2019 at "Scientific Reports"
DOI: 10.1038/s41598-019-41670-8
Abstract: Anthropogenic climate change ranks among the major global-scale threats to modern biodiversity. Extinction risks are known to increase via the interactions between rapid climatic alterations and environmentally-sensitive species traits that fail to adapt to those… read more here.
Keywords: reproductive adaptations; viviparous species; change; responses climate ... See more keywords
Breeding patterns of female prairie voles (Microtus ochrogaster) displaying alternative reproductive tactics
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Mammalogy"
DOI: 10.1093/jmammal/gyaa058
Abstract: Individuals of either sex may display alternative behaviors to obtain copulations, but few studies have examined the breeding patterns of females and males in populations where individuals of both sexes exhibit alternative reproductive tactics (ARTs).… read more here.
Keywords: prairie voles; reproductive tactics; breeding patterns; voles microtus ... See more keywords
Molecular, behavioural and morphological comparisons of sperm adaptations in a fish with alternative reproductive tactics
Sign Up to like & getrecommendations! Published in 2022 at "Evolutionary Applications"
DOI: 10.1111/eva.13438
Abstract: In species with alternative reproductive tactics, there is much empirical support that parasitically spawning males have larger testes and greater sperm numbers as an evolved response to a higher degree of sperm competition, but support… read more here.
Keywords: alternative reproductive; sperm performance; velocity; sperm duct ... See more keywords
Sperm competition, but not major histocompatibility divergence, drives differential fertilization success between alternative reproductive tactics in Chinook salmon
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Evolutionary Biology"
DOI: 10.1111/jeb.13199
Abstract: Post‐copulatory sexual selection processes, including sperm competition and cryptic female choice (CFC), can operate based on major histocompatibility (MH) genes. We investigated sperm competition between male alternative reproductive tactics [jack (sneaker) and hooknose (guard)] of… read more here.
Keywords: success; sperm competition; alternative reproductive; fertilization success ... See more keywords
Genomic basis of Y‐linked dwarfism in cichlids pursuing alternative reproductive tactics
Sign Up to like & getrecommendations! Published in 2023 at "Molecular Ecology"
DOI: 10.1111/mec.16839
Abstract: Sexually antagonistic selection, which favours different optima in males and females, is predicted to play an important role in the evolution of sex chromosomes. Body size is a sexually antagonistic trait in the shell‐brooding cichlid… read more here.
Keywords: alternative reproductive; body size; sex; size ... See more keywords