Web Access Research Portal

Researcher: McMahon, CR (Dr Clive McMahon)

Fields of Research

Marine and estuarine ecology (incl. marine ichthyology)
Behavioural ecology
Biological oceanography
Wildlife and habitat management
Population ecology
Physical oceanography
Ecological impacts of climate change and ecological adaptation
Animal behaviour
Animal physiological ecology
Animal welfare
Vertebrate biology
Climate change impacts and adaptation
Climate change processes
Global change biology
Veterinary epidemiology
Analytical biochemistry
Stochastic analysis and modelling
Community ecology (excl. invasive species ecology)
Conservation and biodiversity
Biological adaptation

Research Objectives

Marine biodiversity
Assessment and management of coastal and estuarine ecosystems
Biodiversity in Antarctic and Southern Ocean environments
Expanding knowledge in the biological sciences
Assessment and management of terrestrial ecosystems
Effects of climate change on Antarctic and sub-Antarctic environments (excl. social impacts)
Climate variability (excl. social impacts)
Assessment and management of Antarctic and Southern Ocean ecosystems
Control of pests, diseases and exotic species in terrestrial environments
Ecosystem adaptation to climate change
Antarctic and Southern Ocean oceanic processes
Environmental lifecycle assessment
Expanding knowledge in the environmental sciences
Expanding knowledge in the earth sciences
Public health (excl. specific population health)
Effects of climate change on Australia (excl. social impacts)
Global effects of climate change (excl. Australia, New Zealand, Antarctica and the South Pacific) (excl. social impacts)
Terrestrial biodiversity
Oceanic processes (excl. in the Antarctic and Southern Ocean)

Career Best Publications

Research Publications

A continuous-time state-space model for rapid quality control of argos locations from animal-borne tags; Movement Ecology
A novel field method to distinguish between cryptic carcharhinid sharks, Australian blacktip shark Carcharhinus tilstoni and common blacktip shark C. limbatus, despite the presence of hybrids; Journal of Fish Biology
A quantitative, hierarchical approach for detecting drift dives and tracking buoyancy changes in southern elephant seals; Scientific Reports
Age estimation in a long-lived seabird (Ardenna tenuirostris) using DNA methylation-based biomarkers; Molecular Ecology Resources
Age-specific cost of first reproduction in female southern elephant seals; Biology Letters
Animal welfare and conservation, the debate we must have: A response to Draper and Bekoff (2012); Biological Conservation
Animal welfare and decision making in wildlife research; Biological Conservation
Assessing the utility of two- and three-dimensional behavioural metrics in habitat usage models; Marine Ecology Progress Series
Best practice recommendations for the use of external telemetry devices on pinnipeds; Animal Biotelemetry
Bottom-up regulation of a pole-ward migratory predator population; Proceedings of the Royal Society of London B
Circumpolar habitat use in the southern elephant seal: implications for foraging success and population trajectories; Ecosphere
Climate influences on female survival in a declining population of southern elephant seals (Mirounga leonina); Ecology and Evolution
Climate variability and breeding parameters of a transhemispheric migratory seabird over seven decades; Marine Ecology Progress Series
Coastal polynyas: winter oases for subadult southern elephant seals in East Antarctica; Scientific Reports
Combining bio-logging and fatty acid signature analysis indicates spatio-temporal variation in the diet of the southern elephant seal, Mirounga leonina; Journal of Experimental Marine Biology and Ecology
Comparison of southern elephant seal populations, and observations of a population on a demographic knife-edge; Marine Ecology - Progress Series
Convergence of marine megafauna movement patterns in coastal and open oceans; Proceedings of the National Academy of Sciences of the United States of America
Decadal changes in blood 13C values, at-sea distribution, and weaning mass of southern elephant seals from Kerguelen Islands; Proceedings of the Royal Society of London. Biological Sciences
Decadal changes in habitat characteristics influence population trajectories of southern elephant seals; Global Change Biology
Diet of juvenile southern elephant seals reappraised by stable isotopes in whiskers; Marine Ecology - Progress Series
DNA methylation levels in candidate genes associated with chronological age in mammals are not conserved in a long-lived seabird; PLoS One
Enhancing the use of Argos satellite data for home range and long distance migration studies of marine animals; PLOS One
Estimates of the Southern Ocean general circulation improved by animal-borne instruments; Geophysical Research Letters
Evidence for a widely expanded humpback whale calving range along the Western Australian coast; Marine Mammal Science
Factors influencing the habitat use of sympatric albatrosses from Macquarie Island, Australia; Marine Ecology - Progress Series
Finding mesopelagic prey in a changing Southern Ocean; Scientific Reports
Harem choice and breeding experience of female southern elephant seals influence offspring survival; Behavioral Ecology and Sociobiology
High-resolution movements of critically endangered hawksbill turtles help elucidate conservation requirements in northern Australia; Marine and Freshwater Research
Inferring variation in southern elephant seal at-sea mortality by modelling tag failure; Frontiers in Marine Science
Inter- and intrasex habitat partitioning in the highly dimorphic southern elephant seal; Ecology and Evolution
Introduced species and extreme weather as key drivers of reproductive output in three sympatric albatrosses; Scientific Reports
It's a girl! A female southern elephant seal born in Western Australia; Australian Journal of Zoology
Known unknowns in an imperfect world: incorporating uncertainty in recruitment estimates using multi-event capture–recapture models; Ecology and Evolution
Long-term breeding phenology shift in royal penguins; Ecology and Evolution
Marine ecosystem assessment for the Southern Ocean: birds and marine mammals in a changing climate; Frontiers in Ecology and Evolution
Modelled mid-trophic pelagic prey fields improve understanding of marine predator foraging behaviour; Ecography
Modelling southern elephant seals Mirounga leonina using an individual-based model coupled with a dynamic energy budget; PloS ONE
Nesting ecology of hawksbill turtles at a rookery of international significance in Australia’s Northern Territory; Wildlife Research
Quantifying the energy stores of capital breeding humpback whales and income breeding sperm whales using historical whaling records; Royal Society Open Science
Refining instrument attachment on phocid seals; Marine Mammal Science
Satellites, the all-seeing eyes in the sky: counting elephant seals from space; PLoS One
Seal mothers expend more on offspring under favourable conditions and less when resources are limited; Journal of Animal Ecology
Seasonal meandering of the polar front upstream of the Kerguelen Plateau; Geophysical Research Letters
Southern elephant seals from Kerguelen Islands confronted by Antarctic Sea ice. Changes in movements and in diving behaviour; Deep-Sea Research. Part 2: Topical Studies in Oceanography
Spatial and temporal movement patterns of a multi-species coastal reef shark aggregation; Marine Ecology Progress Series
The effect of investigator disturbance on egg laying, chick survival and fledging mass of short-tailed shearwaters (Puffinus tenuirostris) and little penguins (Eudyptula minor); Animal Welfare
The implications of assuming independent tag loss in southern elephant seals; Ecosphere
The retrospective analysis of Antarctic tracking data project; Scientific Data
Tracking of marine predators to protect Southern Ocean ecosystems; Nature
Under the sea ice: exploring the relationship between sea ice and the foraging behaviour of southern elephant seals in East Antarctica; Progress in Oceanography
Using short-term measures of behaviour to estimate long-term fitness of southern elephant seals; Marine Ecology Progress Series
Using the Spatial Population Abundance Dynamics Engine for conservation management; Methods in Ecology and Evolution
Variability in sea ice cover and climate elicit sex specific responses in an Antarctic predator; Scientific Reports
View from below: inferring behavior and physiology of Southern Ocean marine predators from dive telemetry; Frontiers in Marine Science

Research Projects

An integrated ecosystem study of an Australian marine biodiversity hotspot; Sea World Research and Rescue Foundation Inc (SEAWORLD)
Assessment of habitats, productivity and food webs on the Kerguelen Axis in the Indian Sector of the Southern Ocean; Department of Environment and Energy (Cwth) (DoEE)
Bottom-up and top-down influences on demographic parameters of Southern Ocean albatrosses; Antarctic Science Ltd (AntSci)
Bottom-up and top-down influences on demographic parameters of Southern Ocean albatrosses; Scientific Committee on Antarctic Research (SCAR)
Climatic variability and harvest impacts on the demography of the short-tailed shearwater (Ardenna tenuirostris): A trans-hemisphere migrant; Holsworth Wildlife Research Endowment (HWRE)
Ecological-epidemiological Models of Feral Swamp Buffalo Control in Northern Australia; Australian Research Council (ARC)
Molecular biomarkers for seabird age estimation; Linnean Society of New South Wales (LSNSW)
Molecular biomarkers for seabird age estimation.; Holsworth Wildlife Research Endowment (HWRE)
Seals as Oceanographic Samplers; Department of Environment and Energy (Cwth) (DoEE)
Seals from space: Developing techniques to use satellite remote sensing to census pack-ice seals in Prydz Bay; Department of Environment and Energy (Cwth) (DoEE)
The cost of hybridisation; Winifred Violet Scott Charitable Trust (WVS)
Uncoupling oceanographic and life history drivers to alternate foraging strategies in Long-nosed fur seals; Field Naturalists Society of South Australia Inc (FNSSA)
Uncoupling oceanographic and life history drivers to alternate foraging strategies in Long-nosed fur seals; Holsworth Wildlife Research Endowment (HWRE)
When the World Isn't Big Enough: Decline of a Global Migrant - the Short-Tailed Shearwater; Birdlife Australia (BLA)
When the World Isn't Big Enough: Decline of a Global Migrant - the Short-Tailed Shearwater (Puffinus tenuirostris); Holsworth Wildlife Research Endowment (HWRE)
Donations - Geolocation Journeys

Research Candidate Supervision

Climatic Variability and Harvest Impacts on the Demography of the Short-Tailed Shearwater (Puffinus Tenuirostris)- A Trans-Equatorial Migratory Seabird
Demographic Responses of Antarctic Fur Seals to Environmental Variability
Maternal Investment by Southern Elephant Seal (Mirounga leonina)- Foraging Success and Offspring Survival
The Influence of Climate on the Migration Phenology of Humpback Whales (Megaptera Noveangliae) on the West Coast of Australia
The Life-history of Short-tailed Shearwaters (Puffinus tenuirostris) in Response to Spatio-temporal Environmental Variation