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Documents disponibles écrits par cet auteur (25)
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Article
Leo Joseph, Auteur ; Jon Merwin, Auteur ; Brian Tilston Smith, AuteurA well-supported genus-level classification of any group of organisms underpins downstream understanding of its evolutionary biology and enhances the role of phylogenetic diversity in guiding its conservation and management. The lorikeets (Psitt[...]
Article
Andrew Black, Auteur ; Gaynor Dolman, Auteur ; Christopher A. Wilson, Auteur ; Catriona D. Campbell, Auteur ; Lynn Pedler, Auteur ; Leo Joseph, AuteurTaxonomy of the Striated Grasswren Amytornis striatus complex has long been contentious and remains incompletely resolved. Its many populations are distributed widely but disjunctly and show only subtle distinction in morphology and plumage. Gen[...]
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Amy Dorrington, Auteur ; Leo Joseph, Auteur ; Willow Hallgren, Auteur ; Ian Mason, Auteur ; Alex Drew, Auteur ; Jane M. Hughes, Auteur ; Daniel J. Schmidt, AuteurPhylogeographic studies of northern Australian birds frequently detect the influence of the Carpentarian Barrier in vicariantly structuring present-day genetic variation. Several barriers further west (e.g. Canning Barrier), and, where data are [...]
Article
Leo Joseph, Auteur ; Gaynor Dolman, Auteur ; Bulisa Iova, Auteur ; Knud Jønsson, Auteur ; Catriona D. Campbell, Auteur ; Ian Mason, Auteur ; Alex Drew, AuteurTwo species of orioles, namely the Olive-backed Oriole (Oriolus sagittatus) and the Yellow Oriole (O. flavocinctus), occur across northern Australia. In New Guinea, both are confined to the Trans-Fly region immediately north of Cape York Peninsu[...]
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Anna M. Kearns, Auteur ; Leo Joseph, Auteur ; Aude Thierry, Auteur ; John F. Malloy, Auteur ; Maria Nandadevi Cortes-Rodriguez, Auteur ; Kevin E. Omland, AuteurComplex spatial and temporal phylogenetic patterns have emerged among Pacific Island radiations and their Australian and New Guinean congeners. We explore the diversification of Australo-Pacific Petroica robins using the first phylogeny with com[...]
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Leo Joseph, Auteur ; Robert Heinsohn, Auteur ; Andrew Mack, Auteur
Article
Leo Joseph, Auteur ; K. D. Bishop, Auteur ; Christopher A. Wilson, Auteur ; Scott V. Edwards, Auteur ; Bulisa Iova, Auteur ; Catriona D. Campbell, Auteur ; Ian Mason, Auteur ; Alex Drew, AuteurThree isolated areas of non-rainforested open woodland habitats, often collectively termed ‘savanna’, occur in eastern New Guinea and are here termed the Trans-Fly, Central Province and Oro Province savannas. Their avifauna is mostly shared with[...]
Article
Michael J. Andersen, Auteur ; Jenna M. McCullough, Auteur ; Nicholas R. Friedman, Auteur ; A. Townsend Peterson, Auteur ; Robert G. Moyle, Auteur ; Leo Joseph, Auteur ; Árpád S. Nyári, AuteurThe honeyeaters are the most species-rich clade of birds east of Wallace’s Line. They occupy a wide range of habitats, from desert to rainforest, and occur throughout Australia, New Guinea, and oceanic islands across Wallacea and the Pacific. Ho[...]
Article
Kerensa McElroy, Auteur ; Keira Beattie, Auteur ; Matthew R. E. Symonds, Auteur ; Leo Joseph, AuteurThe Australian arid zone is well recognised as a source of evolutionary novelty and diversity. Roles for selection vs. drift in the region remain less understood. We surveyed mitogenomic diversity and genome-wide nuclear markers in the Mulga Par[...]
Article
Robert Heinsohn, Auteur ; Katherine L. Buchanan, Auteur ; Leo Joseph, Auteur
Article
Kaiya L. Provost, Auteur ; Leo Joseph, Auteur ; Brian Tilston Smith, AuteurAdvances in sequencing technology and phylogenetics have revolutionised avian biology by providing an evolutionary framework for studying natural groupings. In the parrots (Psittaciformes), DNA-based studies have led to a reclassification of cla[...]
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Alicia Toon, Auteur ; Alex Drew, Auteur ; Ian J. Mason, Auteur ; Jane M. Hughes, Auteur ; Leo Joseph, AuteurAlthough it is well understood that New Guinea and Australia are essentially one landmass that connects periodically during sea-level fluctuations, the biogeographic history and effects of environmental change for species that span the two islan[...]
Article
Allan H. Burbidge, Auteur ; Leo Joseph, Auteur ; Alicia Toon, Auteur ; Lauren C. White, Auteur ; Angela McGuire, Auteur ; Jeremy J. Austin, AuteurThe Western Whipbird (Psophodes nigrogularis) has a highly disjunct west–east distribution across southern Australia. Earlier morphological analyses recognised four subspecies in one species: P. n. nigrogularis and P. n. oberon in south-west Wes[...]
Article
Stephen A. Murphy, Auteur ; Jeremy J. Austin, Auteur ; Rachel K. Murphy, Auteur ; Jennifer Silcock, Auteur ; Leo Joseph, Auteur ; Stephen T. Garnett, Auteur ; Nicholas P. Leseberg, Auteur ; James E. M. Watson, Auteur ; Allan H. Burbidge, AuteurA population of Night Parrots (Pezoporus occidentalis) was discovered in 2013 in western Queensland and has become the primary focus of efforts aimed at conserving habitat and protecting the species from extinction. Critical information on nesti[...]
Article
Leo Joseph, Auteur ; Patrick Boussès, Auteur ; Thomas Wilke, Auteur ; Jeremy J. Austin, AuteurConventional thinking for many years held that the holotype of the Galah Eolophus roseicapilla, obtained in 1801 by the Baudin Expedition from France, was from south-eastern Australia. This did not mesh well with what is known of Galahs not havi[...]
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Joannah Lee, Auteur ; Lynn Pedler, Auteur ; Stephen D. Sarre, Auteur ; James Robertson, Auteur ; Leo Joseph, AuteurSex biases in bird populations, particularly an excess of males, can threaten small, isolated populations by reducing reproductive rates. A skew in sex-ratio can be caused by (i) differential mortality at conception or hatching, (ii) differentia[...]
Article
Daniel Engelhard, Auteur ; Leo Joseph, Auteur ; Alicia Toon, Auteur ; Lynn Pedler, Auteur ; Thomas Wilke, AuteurThe Galah (Eolophus roseicapilla) is a widespread Australian bird. Its geographical variation and subspecies remain poorly understood. We sampled 192 specimens from across the entire range of the species to assess its phylogeographical structure[...]
Article
Gaynor Dolman, Auteur ; Leo Joseph, AuteurRecent phylogeographic studies have examined the location and timing of putative Plio-Pleistocene biogeographical barriers in moulding present-day patterns of diversity in southern Australian vertebrates. We previously investigated the divergenc[...]
Article
Joel T. Nelson, Auteur ; Robert E. Wilson, Auteur ; Kevin G. McCracken, Auteur ; Graeme S. Cumming, Auteur ; Leo Joseph, Auteur ; Patrick-Jean Guay, Auteur ; Jeffrey L. Peters, AuteurThe ability to disperse over long distances can result in a high propensity for colonizing new geographic regions, including uninhabited continents, and lead to lineage diversification via allopatric speciation. However, high vagility can also r[...]
Article
Leo Joseph, Auteur ; Thomas Wilke, Auteur ; Jose ten Have, Auteur ; R. Terry Chesser, AuteurThe white-browed woodswallow Artamus superciliosus and masked woodswallow A. personatus (Passeriformes: Artamidae) are members of Australia's diverse arid- and semi-arid zone avifauna. Widely sympatric and among Australia's relatively few obliga[...]
Article
Anna M. Kearns, Auteur ; Leo Joseph, Auteur ; Scott V. Edwards, Auteur ; Michael C. Double, AuteurThe phylogeographic structure of the widely distributed arid and semi-arid Australian splendid fairy-wren Malurus splendens was investigated by using variation in plumage characters and mitochondrial DNA (mtDNA). We examined sequences of the mtD[...]
Article
Juan C. Garcia-R, Auteur ; Leo Joseph, Auteur ; Greg Adcock, Auteur ; Julian Reid, Auteur ; Steven A. Trewick, AuteurStudies of fragmented habitat, such as island archipelagos, provide insights into the microevolutionary processes that drive early stages of diversification. Here, we examined genetic variation and gene flow among populations of the widespread b[...]
Article
Kirandeep K. Dhami, Auteur ; Leo Joseph, Auteur ; David A. Roshier, Auteur ; Robert Heinsohn, Auteur ; Jeffrey L. Peters, AuteurBiogeographic barriers potentially restrict gene flow but variation in dispersal or vagility can influence the effectiveness of these barriers among different species and produce characteristic patterns of population genetic structure. The objec[...]
Article
Kirandeep K. Dhami, Auteur ; Leo Joseph, Auteur ; David A. Roshier, Auteur ; Jeffrey L. Peters, AuteurSex chromosomes potentially have an important role in speciation and often have elevated differentiation between closely related species. In birds, traits associated with male plumage, female mate preference, and hybrid fitness have been linked [...]
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Leo Joseph, Auteur ; Gregory J. Adcock, Auteur ; Celeste Linde, Auteur ; Kevin E. Omland, Auteur ; Robert Heinsohn, Auteur ; R. Terry Chesser, Auteur ; David Roshier, AuteurTwo Australian species of teal (Anseriformes: Anatidae: Anas), the grey teal Anas gracilis and the chestnut teal A. castanea, are remarkable for the zero or near-zero divergence recorded between them in earlier surveys of mitochondrial DNA (mtDN[...]
