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Publikováno v:
PLoS ONE, Vol 7, Iss 10, p e46351 (2012)
Species inhabiting ancient, geologically stable landscapes that have been impacted by agriculture and urbanisation are expected to have complex patterns of genetic subdivision due to the influence of both historical and contemporary gene flow. Here,
Externí odkaz:
https://doaj.org/article/c53fd31b3f38440b9ec9764734ff1d51
Publikováno v:
The American naturalist. 167(4)
By comparing alternative measurements of horn length in the beetle Onthophagus taurus, we have investigated why scaling patterns differ between laboratories. We show that some measurements are confounded by including part of the head in the horn size
Publikováno v:
Molecular Ecology. 22:3904-3915
Habitat fragmentation can have profound effects on the distribution of genetic variation within and between populations. Previously, we showed that in the ornate dragon lizard, Ctenophorus ornatus, lizards residing on outcrops that are separated by c
Habitat Complexity Drives Experimental Evolution of a Conditionally Expressed Secondary Sexual Trait
Publikováno v:
Current Biology. 21(7):569-573
Summary The conditional expression of alternative phenotypes underlies the production of almost all life history decisions and many dichotomous traits [1–6], including male alternative reproductive morphs and behavioral tactics [7]. Changes in tact
Publikováno v:
Molecular Ecology. 19:4192-4203
An important question for the conservation of species dwelling in fragmented habitats is whether changes to the intervening landscape create a barrier to gene flow. Here, we make use of the spatial distribution of the granite outcrop-dwelling lizard,
Publikováno v:
The American Naturalist. 176:141-148
The function of the exaggerated structures that adorn many fossil vertebrates remains largely unresolved. One recurrent hypothesis is that these elaborated traits had a role in thermoregulation. This orthodoxy persists despite the observation that tr
Autor:
Natasha R. LeBas
Publikováno v:
Trends in Ecology & Evolution. 21:170-173
There has recently been an increase in interest in the notion that female ornamentation is selected through male choice, rather than being an artefact of selection on male ornamentation. There are, however, key differences between the sexes in the ty
Publikováno v:
Proceedings of the Royal Society B: Biological Sciences. 272:543-551
Trait exaggeration through sexual selection will take place alongside other changes in phenotype. Exaggerated morphology might be compensated by parallel changes in traits that support, enhance or facilitate exaggeration: ‘secondary sexual trait co
Autor:
Natasha R. LeBas, Leon R. Hockham
Publikováno v:
Current Biology. 15:64-67
Nuptial gifts are food items or inedible tokens that are transferred to females during courtship or copulation [1–3]. Tokens are of no direct value to females, and it is unknown why females require such worthless gifts as a precondition of mating.