Search Results - "LeBas, Natasha R."

Habitat Complexity Drives Experimental Evolution of a Conditionally Expressed Secondary Sexual Trait by Tomkins, Joseph L., Hazel, Wade N., Penrose, Marissa A., Radwan, Jacek W., LeBas, Natasha R.

“…The conditional expression of alternative phenotypes underlies the production of almost all life history decisions and many dichotomous traits [1–6], including…”
Get full text

Positive Allometry and the Prehistory of Sexual Selection by Tomkins, Joseph L., LeBas, Natasha R., Witton, Mark P., Martill, David M., Humphries, Stuart

“…The function of the exaggerated structures that adorn many fossil vertebrates remains largely unresolved. One recurrent hypothesis is that these elaborated…”
Get full text

Phylogeography and population genetic structure of the Ornate Dragon Lizard, Ctenophorus ornatus by Levy, Esther, Kennington, W Jason, Tomkins, Joseph L, Lebas, Natasha R

“…Species inhabiting ancient, geologically stable landscapes that have been impacted by agriculture and urbanisation are expected to have complex patterns of…”
Get full text

Contrasting effects of landscape features on genetic structure in different geographic regions in the ornate dragon lizard, Ctenophorus ornatus by Levy, Esther, Tomkins, Joseph L., LeBas, Natasha R., Kennington, W. Jason

“…Habitat fragmentation can have profound effects on the distribution of genetic variation within and between populations. Previously, we showed that in the…”
Get full text

Matters of Scale: Positive Allometry and the Evolution of Male Dimorphisms by Tomkins, Joseph L., Kotiaho, Janne S., LeBas, Natasha R.

“…The developmental independence of alternative phenotypes is key to evolutionary theories of phenotypic plasticity and the origins of diversity. Male…”
Get full text

Phenotypic plasticity in the developmental integration of morphological trade-offs and secondary sexual trait compensation by Tomkins, Joseph L., Kotiaho, Janne S., LeBas, Natasha R.

“…and the hemimetabolous earwig…”
Get full text

Nonlinear and correlational sexual selection on ‘honest’ female ornamentation by LeBas, Natasha R., Hockham, Leon R., Ritchie, Michael G.

“…Rhamphomyia tarsata…”
Get full text

Female finery is not for males by LeBas, Natasha R.

“…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…”
Get full text

Major Differences in Minor Allometries: A Reply to Moczek by Tomkins, Joseph L., Kotiaho, Janne S., LeBas, Natasha R.

“…By comparing alternative measurements of horn length in the beetleOnthophagus taurus, we have investigated why scaling patterns differ between laboratories. We…”
Get full text

NO EVIDENCE OF FEMALE CHOICE FOR A CONDITION-DEPENDENT TRAIT IN THE AGAMID LIZARD, CTENOPHORUS ORNATUS by Lebas, Natasha, Marshall, N. Justin

“…Abstract Female choice has rarely been documented in reptiles. In this study we examined the variation, condition-dependence and female preference for a range…”
Get full text

On the resolution of the lek paradox by Kotiaho, Janne S., LeBas, Natasha R., Puurtinen, Mikael, Tomkins, Joseph L.

“…Directional female mate choice is expected to deplete additive genetic variation in male traits. This should preclude such trait-based choice from resulting in…”
Get full text

Additive Genetic Breeding Values Correlate with the Load of Partially Deleterious Mutations by Tomkins, Joseph L, Penrose, Marissa A, Greeff, Johan, LeBas, Natasha R

“…The mutation-selection-balance model predicts most additive genetic variation to arise from numerous mildly deleterious mutations of small effect…”
Get full text

Land clearing reduces gene flow in the granite outcrop-dwelling lizard, Ctenophorus ornatus by Levy, Esther, Kennington, Jason W, Tomkins, Joseph L, Lebas, Natasha R

“…An important question for the conservation of species dwelling in fragmented habitats is whether changes to the intervening landscape create a barrier to gene…”
Get full text

The role of colour in signalling and male choice in the agamid lizard Ctenophorus ornatus by LeBas, Natasha R., Marshall, N. Justin

“… Dorsal coloration provided camouflage against the granite background, particularly in females…”
Get full text

An Invasion of Cheats: The Evolution of Worthless Nuptial Gifts by LeBas, Natasha R., Hockham, Leon R.

“…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,…”
Get full text

SEXUAL SELECTION IN THE GIFT-GIVING DANCE FLY, RHAMPHOMYIA SULCATA, FAVORS SMALL MALES CARRYING SMALL GIFTS by LeBas, Natasha R, Hockham, Leon R, Ritchie, Michael G

“…In some species of insects males transfer a gift to females during courtship or copulation. In the dance flies these nuptial gifts vary from nutritious prey…”
Get full text

Characterization of microsatellite loci for the ornate dragon lizard Ctenophorus ornatus by Levy, Esther, Kennington, W. Jason, LeBas, Natasha R.

“…We describe the isolation and development of 20 polymorphic microsatellite loci for the ornate dragon lizard Ctenophorus ornatus. Characterization of these…”
Get full text

MATE CHOICE, GENETIC INCOMPATIBILITY, AND OUTBREEDING IN THE ORNATE DRAGON LIZARD, CTENOPHORUS ORNATUS by LeBas, Natasha R

“…There has been recent interest in the role genetic incompatibility may play in mate or sperm choice. One source of incompatibility may be too similar or…”
Get full text

Polymorphic microsatellite markers in the ornate dragon lizard, Ctenophorus ornatus by Lebas, Natasha R., Spencer, Peter B. S.

“…The ornate dragon Ctenophorus ornatus is an agamid lizard which lives exclusively on granite outcrops in southern Western Australia. Whilst some studies have…”
Get full text

Contrasting effects of landscape features on genetic structure in different geographic regions in the ornate dragon lizard, C tenophorus ornatus by Levy, Esther, Tomkins, Joseph L., LeBas, Natasha R., Kennington, W. Jason

“…Abstract Habitat fragmentation can have profound effects on the distribution of genetic variation within and between populations. Previously, we showed that in…”
Get full text