Web Access Research Portal

Researcher: Laybourn-Parry, J (Professor Johanna Laybourn-Parry)

Fields of Research

Marine and Estuarine Ecology (incl. Marine Ichthyology)
Microbial Ecology
Biological Sciences
High Energy Astrophysics; Cosmic Rays
Biogeography and Phylogeography
Natural Resource Management
Public Health and Health Services
Environmental and Occupational Health and Safety
Ore Deposit Petrology
Separation Science
Evolutionary Biology
Ecological Impacts of Climate Change

Research Objectives

Antarctic and Sub-Antarctic Flora, Fauna and Biodiversity
Expanding Knowledge in the Environmental Sciences
Expanding Knowledge in Philosophy and Religious Studies
Ecosystem Assessment and Management of Antarctic and Sub-Antarctic Environments
Expanding Knowledge in the Physical Sciences
Ecosystem Assessment and Management of Forest and Woodlands Environments
Occupational Health
Precious (Noble) Metal Ore Exploration
Expanding Knowledge in the Chemical Sciences
Effects of Climate Change and Variability on Antarctic and Sub-Antarctic Environments (excl. Social Impacts)
Social Impacts of Climate Change and Variability

Career Best Publications

Research Publications

Left on the (ice) shelf. Don's Diary
Protozoa; In Animal Energetics
Protozoa; In The Encyclopaedia Britannica
Protozoan Energetics; In Protozoa and Their Role in Marine Processes - NATO ASI Series G: Ecological Sciences
The abundance of marine naked amoebae in the water column of the Clyde estuary; Estuarine, Coastal and Shelf Science
A Ca2+ dependent bacterial antifreeze protein domain has a novel beta-helical ice-binding fold; Biochemical Journal
A Functional Biology of Free-Living Protozoa; Croom Helm
A hyperactive calcium dependent antifreeze protein in an Antarctic bacterium; FEMS Microbiology Letters
A mixotrophic ciliate as a major contributor to plankton photosynthesis in Australian lakes; Limnology and Oceanography
A new species of Tetramitus in the benthos of a saline antarctic lake; European Journal of Protistology
A stalkless subspecies of Clathrulina elegans Cienkowski (1867) from the plankton of Loch Ness, Scotland; European Journal of Protistology
A technique for the enumeration of benthic ciliated protozoa; Oecologia
Aggregate dwelling protozooplankton communities in estuaries; Archiv Fuer Hydrobiologie
Amoebae; Biological Sciences Review
An investigation of the factors influencing mean cell volume in populations of the ciliate Colpidium campylum; Journal of Zoology
Annual plankton dynamics in an Antarctic saline lake; Freshwater Biology
Antarctic lake systems and climate change; Trends in Antarctic Terrestrial and Limnetic Systems
Antarctic sea ice viral dynamics over an annual cycle; Polar Biology
Aquatic microbiology the ANARE perspective; Australian Antarctic Science - The first 50 years of ANARE
Bacteriophage in polar inland waters; Extremophiles
Bacterioplankton Abundance and Production in the Clyde Estuary, Scotland; Archiv Fuer Hydrobiologie
Bacterioplankton production in freshwater Antarctic lakes; Freshwater Biology
Biodiversity and ecology of Antarctic lakes- models for evolution?; Royal Society of London. Philosophical Transactions. Biological Sciences
Biogeographical distribution and ecological ranges of benthic cyanobacteria in East Antarctic lakes; Microbial Ecology
Carbon dynamics in a large ultra-oligotrophic epishelf lake (Beaver Lake, Antarctica) during summer; Freshwater Biology
Carbon transformations in a perennially ice-covered Antarctic lake; BioScience
Cartesian-diver microrespirometry: a technique for the accurate measurement of respiratory flux in plant cells; Plant, Cell and Environment
Chlorophyll contents and photosynthetic rates of the freshwater mixotrophic ciliate Strombidium viride (Ciliophora: Oligotrichida); Archiv fuer Hydrobiologie
Counting planktonic bacteria and protozooplankton in freshwater lakes; In BIOTAS Manual of Methods for Antarctic Terrestrial and Freshwater Research
Daphniopsis-Studeri (Crustacea, Cladocera) in lakes of the Vestfold-Hills, Antarctica; Polar Biology
Development of bioenergetic function in light-grown seedlings; In Regulation of Chloroplast Differentiation
Dynamics of a protozooplankton community in a large Antarctic lake; European Journal of Protistology
DynamicsThe suitability of salt marsh cyanobacteria as a food source for the amoeba Thecamoeba pulchra (Bienacka); British Phycological Journal
Effect of food consumption and temperature on reproduction in the ciliate Colpidium campylum; Journal of Zoology
Energy budgets for Stentor coeruleus Ehrenberg (Ciliophora); Oecologia
Energy consumption and growth in the suctorian Podophrya fixa (Protozoa: Suctoria); Journal of Zoology
Energy Flow; In Ecological Processes - Biology in the Eighties Series
Energy partitioning in three species of nematode from polysaprobic environments; Oecologia
Environmental characteristics and microbial plankton activity of freshwater environments at Kongsfjorden, Spitzbergen (Svalbard); Archiv fuer Hydrobiologie
Factors influencing bacterial dynamics along a transect from supraglacial runoff to proglacial lakes of high Arctic glaciers; FEMS Microbial Ecology
Factors influencing respiratory measurements using oxygen electrodes and cartesian diver microrespirometry; New Phytologist
Feeding biology of Diplogasteritus nudicapitatus and Rhabditis curvicaudata (Nematoda) related to food concentration and temperature, in sewage treatment plants; Oecologia
Flagellate nutritional versatility as a key to survival in two contrasting Antarctic saline lakes; Freshwater Biology
Flagellates in the Microbial Loop; In The Flagellates
Functional variation in the alimentary tract of vertebrates; In Animal Physiology and Biochemistry
Future directions in polar limnology; Polar lakes and rivers : limnology of Arctic and Antarctic aquatic ecosystems
Genetic diversity patterns in five protist species occurring in lakes; Protist
Glacial Ecosystems; Ecological Monographs
Grazing by Mayorella sp (Protozoa: Sarcodina) on Cyanobacteria; Functional Ecology
Growth and consumption rates of bacterivorous Antarctic naked marine amoebae; Marine Ecology - Progress Series
Growth, reproduction and longevity in nematodes from sewage treatment plants; Oecologia
Heterotrophic bacterial and viral dynamics in Arctic freshwaters: results from a field study and nutrient-temperature manipulation experiments; Polar Biology
Heterotrophic microbial processes in polar lakes; Polar lakes and rivers : limnology of Arctic and Antarctic aquatic ecosystems
High viral infection rates in Antarctic and Arctic bacterioplankton; Environmental Microbiology
Human impact on an oligotrophic lake in the Larsemann Hills; n Antarctic Communities
Influence of humic substances on bacterial and viral dynamics in freshwaters; Applied and Environmental Microbiology
Influences of Light Quality, Growth-Regulators and Inhibitors of Protein-Synthesis on Respiration of Protoplasts from Meristematic Cells in Barley Seedlings; Annals of Botany
Introduction to the limnology of high-altitude lake and river ecosystems; Polar lakes and rivers : limnology of Arctic and Antarctic aquatic ecosystems
Leaf respiration during early plastidogenesis in light-grown barley seedlings; Physiologia Plantarum
Life on the edge: the plankton and chemistry of Beaver Lake, an ultra-oligotrophic epishelf lake, Antarctica; Freshwater Biology
Marine derived dinoflagellates in Antarctic saline lakes: community composition and annual dynamics; Journal of Phycology
Measurement of guard cell respiration rates using a cartesian diver technique; Planta
Mesodinium-Rubrum (Myrionecta-Rubra) in an Antarctic Brackish Lake; Archiv fuer Hydrobiologie
Microbial carbon dynamics in nitrogen amended Arctic tundra soil: measurement and model testing; Soil Biology and Biochemistry
Microbial communities in the saline lakes of the Vestfold Hills (Eastern Antarctica); Polar Biology
Microbial consortia in the plankton of a freshwater Antarctic lake; The SIL Congress in Barcelona
Microbial plankton dynamics during the summer ice-loss phase in maritime Antarctic lakes; Journal of Plankton Research
Microplankton dynamics in a perennially ice-covered Antarctic Lake - Lake Hoare; Freshwater Biology
Mixotrophic cryptophytes and their predators in the Dry Valley lakes of Antarctica; Freshwater Biology
Mixotrophy as a survival strategy in Antarctic lakes; VII SCAR International Biology Symposium
Mixotrophy in the Antarctic phytoflagellate Pyramimonas gelidicola McFadden (Chlorophyta: Prasinophyceae); Journal of Phycology
No Place Too Cold; Science
Nutrient regeneration and primary production -closing the loop. Ecology Group Symposium; Small Group Ministry Quarterly
One of the Boys?
Parsimonious modelling of nutrient fluxes for a terrestrial ecosystem on Svalbard; Biogeochemistry
Photosynthesis, mixotrophy and microbial plankton dynamics in two high Arctic lakes during summer; Polar Biology
Physical, chemical and microbial community characteristics of lakes of the Larsermann Hills, Continental Antarctica; Archiv Fuer Hydrobiologie
Planktonic survival strategies in an Antarctic freshwater lake; ANARE News
Polar Lakes and Rivers - Arctic and Antarctic Aquatic Ecosystems; Oxford University Press
Polar Limnology - the Past, the Present and the Future [Review]; Antarctic Biology in a Global Context - Proceedings of the SCAR VIII International Biology Symposium
Processes and organisms for the production of anti-freeze proteins
Protozoa; In Equinox Encyclopaedia of Aquatic Life
Protozoan growth rates in Antarctic lakes; Polar Biology
Protozoan Plankton Ecology; Chapman and Hall
Protozooplankton of the Dry Valley Lakes of Southern Victoria Land; In Ecosystem Dynamics in a Polar Desert - Antarctic Research Series
Real time physical data acquisition through a remote sensing platform on a polar lake; Limnology and Oceanography: Methods
Recent evolutionary diversification of a protist lineage; Environmental Microbiology
Respiration of the marine amoeba Trichosphaerium sieboldi determined by C-14 labelling and Cartesian diver methods; Marine Ecology - Progress Series
Respiration Rates and Biovolumes of Common Benthic Foraminifera (Protozoa); Journal of the Marine Biological Association of the United Kingdom
Respiratory energy losses in Podophrya fixa Muller, in relation to temperature and nutritional status; Journal of General Microbiology
Respiratory energy losses in the protozoan predator Didinium nasutum Müller (Ciliophora); Oecologia
Respiratory energy losses inStentor coeruleus Ehrenberg (Ciliophora); Oecologia
Respiratory energy losses related to cell weight and temperature in ciliated protozoa; Oecologia
Respiratory metabolism of Cyclops bicuspidatus (sensu stricta) (Claus) (Copepoda: Cyclopoida) from Esthwaite Water, Cumbria; Oecologia
Respiratory studies on two benthic copepods, Acanthocyclops viridis and Eucyclops agilis at environmental temperatures; Oecologia
Respiratory studies on two small freshwater amoebae; Microbial Ecology
Sea ice microbial dynamics over an annual ice cycle in Prydz Bay, Antarctica; Polar Biology
Seasonal Abundance and Size Variation in Antarctic Populations of the Cladoceran Daphniopsis-Studeri; Antarctic Science
Seasonal cycle of the microbial plankton in Crooked Lake, Antarctica; Polar Biology
Seasonal dynamics of the planktonic community in Lake Druzhby, Princess Elizabeth Land, Eastern Antarctica; Freshwater Biology
Seasonal heterotrophic flagellate and bacterial plankton dynamics in a large oligotrophic lake - Loch Ness, Scotland; Freshwater Biology
Seasonal patterns of protozooplankton in Lake Windermere, England; Archiv Fuer Hydrobiologie
Seasonal species composition, density and role of nematodes in activated-sludge effluent treatment works; Water Research
Seasonal Successions of Protozooplankton in Fresh-Water Ecosystems of Different Latitudes; Marine Microbial Food Webs
Seasonal Viral Loop Dynamics in Two Large Ultraoligotrophic Antarctic Freshwater Lakes ; Microbial Ecology
Simulated patterns of carbon flow in the pelagic food web of Lake Fryxell, Antarctica: little evidence of top-down control; Ecological Modelling
Stratification and dynamics of microbial loop communities in Lake Fryxell, Antarctica; Freshwater Biology
Studies on Consumption and Growth in the Ciliate Colpidium campylum Stokes; Journal of Animal Ecology
Studies on the plankton of Loch Ness: the microbial loop; The SIL Congress in Barcelona
Survival Mechanisms in antarctic Lakes; Philosophical Transactions: Biological Sciences
Temperature-dependent energy partitioning in the benthic copepods acanthocyclops-viridis and macrocyclops-albidu; Canadian Journal of Zoology
Temporal patterns of primary production in a large ultra-oligotrophic Antarctic freshwater lake; Polar Biology
Temporal patterns of protozooplankton abundance and their food in Ellis Fjord, Princess Elizabeth Land, eastern Antarctica; Estuarine, Coastal and Shelf Science
Temporal patterns of protozooplankton abundance in the Clyde and Loch Striven; Estuarine, Coastal and Shelf Science
The annual patterns of photosynthesis in two large, freshwater, ultra-oligotrophic Antarctic lakes; Polar Biology
The balance between photosynthesis and grazing in Antarctic mixotrophic cryptophytes; Freshwater Biology
The behavioural responses and tolerance of freshwater benthic cyclopoid copepods to hypoxia and anoxia; Hydrobiologia
The Biology of Polar Regions; Oxford University Press
The distribution and abundance of benthic cyclopoid copepods in Esthwaite Water, Cumbria; Hydrobiologia
The distribution of microplankton in the McMurdo Dry valley lakes, Antarctica: response to ecosystem legacy or present-day climatic controls; Polar Biology
The dynamics of heterotrophic nanoflagellates and bacterioplankton in a large ultra-oligotrophic Antarctic lake; Journal of Plankton Research
The effect of diet and temperature on reproductive rate in Arcella vulgaris Ehrenberg (Sarcodina: Testacida); Oecologia
The effect of temperature on size and development in three species of benthic copepod; Oecologia
The effects of temperature on the respiration and production of the freshwater nematode Anonchus sp; Oecologia
The evolution and biology of Antarctic saline lakes in relation to salinity and trophy; Polar Biology
The fate of 15N added to high Arctic tundra to mimic increased inputs of atmospheric nitrogen released from a melting snowpack; Global Change Biology
The forms and distribution of carbon in a deep, oligotrophic lake (Loch Ness, Scotland); International Journal of Theoretical and Applied Limnology Proceedings
The horizontal distribution of plankton in a deep oligotrophic lake - Loch Ness, Scotland; Freshwater Biology
The hypolimnetic protozoan plankton of a eutrophic lake; Hydrobiologia
The influence of environmental conditions, bacterial activity and viability on the viral component in ten Antarctic lakes; F E M S Microbiology Ecology: (Federation of European Microbiological Societies)
The McMurdo Dry Valleys Long Term Research Program: New understanding of the biogeochemistry of the Dry Valley Lakes; Polar geography
The microbial communities and primary productivity of cryoconite holes in an Arctic glacier (Svalbard 79 degrees N); Polar Biology
The microbial loop in Antarctic lakes; In Ecosystem Processes in Antarctic Ice-free Landscapes
The Microbial Plankton of Fresh-Water Lakes in the Vestfold Hills, Antarctica; Polar Biology
The microbial plankton of Lake Fryxell, Southern Victoria Land, Antarctica during the summers of 1992 and 1994; Polar Biology
The plankton community of a young, eutrophic Antarctic saline lake; Polar Biology
The plankton of a brackish Antarctic lake; The SIL Congress in Barcelona
The plankton of a large oligotrophic fresh-water Antarctic lake; Journal of Plankton Research
The protozooplankton and bacterioplankton of a large oligotrophic lake. - Loch Ness, Scotland; Journal of Plankton Research
The role and distribution of the autotrophic ciliate Mesodinium rubrum (Myrionecta rubra) in three Antarctic saline lakes; Archiv fuer Hydrobiologie
The role of flagellated and ciliated protozoa in lagoon and grass filter sewage treatment systems; Water Research
The role of heterotrophic micro-fauna in the regeneration of nutrients; In Applied and Environmental Microbiology - Biology in the Eighties Series
The role of nematodes in low rate percolating filter sewage treatment works; Water Research
The role of tholeiitic magmatism in the English Lake District: evidence from dykes in Eskdale; Mineralogical Magazine
The temporal and spatial distribution of nematodes in percolating filters; Hydrobiologia
The temporal and spatial patterns of protozooplankton abundance in a eutrophic temperate lake; Hydrobiologia
The use of ultrasonic imaging to evaluate the effect of protozoan grazing and movement on the topography of bacterial biofilms; Letters in Applied Microbiology
The vertical distribution of Ciliophora and Nematoda in Loch Leven, Kinross; Royal Society of Edinburgh. Proceedings. Section B (Biological Sciences)
The women who don't turn heads
Ultrasonic imaging of biofilms utilizing echoes from the biofilm/air interface; IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control
Ventilation and gaseous exchange in mammals; In Animal Physiology and Biochemistry - Biology in the Eighties Series
Viral dynamics and patterns of lysogeny in Antarctic saline lakes; Polar Biology
Virus and microbial loop dynamics over an annual cycle in three contrasting Antarctic lakes; Freshwater Biology
Virus dynamics on a high Arctic glacier (Svalbard); Journal of Geophysical Research
Viruses in the plankton of freshwater and saline Antarctic lakes; Freshwater Biology
When the going gets tough, live together; ANARE News
Widespread occurrence of populations of the unique autotrophic ciliate Mesodinium rubrum (Ciliophora: Haptorida) in brackish and saline lakes of the Vestfold Hills (Eastern Antarctica); Polar Biology
Zooplankton feeding on algae and bacteria under ice in Lake Druzhby, East Antarctica; Polar Biology

Research Projects

An Inter-Disciplinary investigation of biological, physical and geochemical lake processes; Antarctic Science Advisory Committee (ASAC)
Biogeography in Saline Lake Dinoflagellates: Evolutionary Jumps between Limnic and Marine Systems; Department of Environment and Energy (Cwth) (DoEE)
Purchase of a multi-purpose Schottky field emission gun scanning electron microscope; Australian Research Council (ARC)
Viral and Microbial Loop Dynamics in the Water Column and Sea-Ice of Prydz Bay; Department of Environment and Energy (Cwth) (DoEE)
Workers (Occupational Diseases) Relief Fund

Research Candidate Supervision