Joanna Sumner

Reptiles on the brink: identifying the Australian terrestrial snake and lizard species most at risk of extinction

Hayley M Geyle, Reid Tingley, Andrew P Amey, Hal Cogger, Patrick J Couper, Mark Cowan, Michael D Craig, Paul Doughty, Don A Driscoll, Ryan J Ellis, Jon-Paul Emery, Aaron Fenner, Michael G Gardner, Stephen T Garnett, Graeme R Gillespie, Matthew J Greenlees, Conrad J Hoskin, J Scott Keogh, Ray Lloyd, Jane Melville, et al.

Journal article  |  2020  |  PACIFIC CONSERVATION BIOLOGY

Australia hosts approximately 10% of the world's reptile species, the largest number of any country. Despite this and evidence of ..

An Integrative Approach Using Phylogenomics and High-Resolution X-Ray Computed Tomography for Species Delimitation in Cryptic Taxa

Kirilee Chaplin, Joanna M Sumner, Christy Hipsley, Jane Melville

Journal article  |  2020  |  SYSTEMATIC BIOLOGY

Morphologically cryptic taxa have proved to be a long-standing challenge for taxonomists. Lineages that show strong genomic struct..

Taxonomy and conservation of grassland earless dragons: new species and an assessment of the first possible extinction of a reptile on mainland Australia

Jane Melville, Kirilee Chaplin, Mark Hutchinson, Joanna Sumner, Bernd Gruber, Anna J MacDonald, Stephen D Sarre

Journal article  |  2019  |  ROYAL SOCIETY OPEN SCIENCE

Taxonomic research is of fundamental importance in conservation management of threatened species, providing an understanding of sp..

A complex history of introgression and vicariance in a threatened montane skink (Pseudemoia cryodroma) across an Australian sky island system

Margaret L Haines, Devi Stuart-Fox, Joanna Sumner, Nick Clemann, David G Chapple, Jane Melville

Journal article  |  2017  |  Conservation Genetics

Species endemic to sky island systems are isolated to mountain peaks and high elevation plateaux both geographically and ecologica..

Genetic structure and diversity of the endangered growling grass frog in a rapidly urbanizing region

Claire C Keely, Joshua M Hale, Geoffrey W Heard, Kirsten M Parris, Joanna Sumner, Andrew J Hamer, Jane Melville

Journal article  |  2015  |  ROYAL SOCIETY OPEN SCIENCE

Two pervasive and fundamental impacts of urbanization are the loss and fragmentation of natural habitats. From a genetic perspecti..

Mountain barriers and river conduits: phylogeographical structure in a large, mobile lizard (Varanidae: Varanus varius) from eastern Australia

Peter J Smissen, Jane Melville, Joanna Sumner, Tim S Jessop

Journal article  |  2013  |  JOURNAL OF BIOGEOGRAPHY

Aim: Across eastern Australia, mountain ranges (the Great Dividing Range) and river catchments (the Murray-Darling Basin) are like..

Human-induced versus historical habitat shifts: identifying the processes that shaped the genetic structure of the threatened grassland legless lizard, Delma impar

Susana P Maldonado, Jane Melville, Garry NL Peterson, Joanna Sumner

Journal article  |  2012  |  CONSERVATION GENETICS

Historical and contemporary events are known to affect the genetic structure and diversity of species. Thus, in order to design ef..

Current genetic isolation and fragmentation contrasts with historical connectivity in an alpine lizard (Cyclodomorphus praealtus) threatened by climate change

Tessa Koumoundouros, Joanna Sumner, Nick Clemann, Devi Stuart-Fox

Journal article  |  2009  |  BIOLOGICAL CONSERVATION

Assessing levels of genetic diversity, connectivity and historical demography for threatened species provides important informatio..