Web Access Research Portal

Researcher: Smethurst, PJ (Dr Philip Smethurst)

Fields of Research

Forestry management and environment
Tree nutrition and physiology
Forestry sciences
Soil sciences
Fish pests and diseases
Surface water hydrology
Biological physics
Modelling and simulation
Behavioural ecology
Plant physiology
Agro-ecosystem function and prediction
Environment and resource economics
Pollution and contamination
Natural resource management
Forest health and pathology
Soil chemistry and soil carbon sequestration (excl. carbon sequestration science)
Terrestrial ecology
Decision support and group support systems
Crop and pasture biochemistry and physiology

Research Objectives

Hardwood plantations
Other plant production and plant primary products
Environmentally sustainable plant production
Expanding knowledge in the environmental sciences
Sown pastures (excl. lucerne)
Terrestrial systems and management
Other environmental management
Other economic framework
Evaluation, allocation, and impacts of land use
Measurement and assessment of freshwater quality (incl. physical and chemical conditions of water)
Integration of farm and forestry
Softwood plantations
Chemical fertilisers
Dairy cattle

Career Best Publications

Research Publications

Ammonium and nitrate uptake by Eucalyptus nitens: effects of pH and temperature; Plant and Soil
Ammonium, nitrate, and proton fluxes around eucalypt roots measured simultaneously using ion selective microelectrodes; 11th International Workshop on Plant Membrane Biology
Available nitrogen and responses to nitrogen fertilizer in Brazilian Eucalypt plantations on soils of contrasting texture; Forests
Combining cosmic-ray neutron and capacitance sensors and fuzzy inference to spatially quantify soil moisture distribution; IEEE Sensors Journal
Does tree harvesting in streamside management zones adversely affect stream turbidity? - preliminary observations from an Australian case study; Journal of Soils and Sediments
Economics of nitrogen fertilization of eucalypts for pulpwood; Australian Forestry
Effects of within-patch characteristics on the vulnerability of a plant to herbivory; Oikos
Field-scale modeling of tree–crop interactions: Challenges and development needs; Agricultural Systems
Impact of Competition from Weeds on Early Growth Eucalypts and Pines at Five Sites in Tasmania and Victoria; 18th Biennial Conference of the Institute of Foresters of Australia
Kinetics of ammonium and nitrate uptake by eucalypt roots and associated proton fluxes measured using ion selective microelectrodes; Functional Plant Biology
Litterfall nitrogen and phosphorous fluxes in two Tasmanian Eucalyptus nitens plantations; Tasforests
Low rates of phosphorus fertiliser applied strategically throughout the growing season under rain-fed conditions did not affect dry matter production of perennial ryegrass (Lolium perenne L.); Crop and Pasture Science
Mechanisms of grass competition in a young Eucalyptus globulus plantation; Third International Conference on Forest Vegetation Management : Popular Summaries
Modelling nutrient uptake: a possible indicator of phosphorus deficiency; Australian Journal Soil Research
Nitrate dynamics in a rural headwater catchment: measurements and modelling; Hydrological Processes: An International Journal
Phase Partinitioning of Ammonium in Australian and European Forest Soils; Communications in Soil Science and Plant Analysis
Phosphorus fertiliser can induce earlier vegetative phase change in Eucalyptus nitens; Australian Journal of Botany
Phosphorus uptake in ryegrass following defoliation; 3rd International Symposium on Phosphorus Dynamics in the Soil-Plant Continuum
Potential of the APSIM model to simulate impacts of shading on maize productivity; Agroforestry Systems
Preliminary estimate of carbon sequestration potential of Faidherbia albida (Delile) A.Chev in an agroforestry parkland in the Central Rift Valley of Ethiopia; Forest, Trees and Livelihoods
Promotion of flowering in Eucalyptus nitens by paclobutrazol was enhanced by nitrogen fertilizer; Canadian Journal of Forest Research
Pruning and fertiliser effects on branch size and decay in two Eucalyptus nitens plantations; Forest Ecology and Management
Quantifying spatial distribution of soil moisture using a cosmic ray and capacitance sensor network; Sensors, 2013 IEEE
Quantifying the effects of Eucalyptus plantations and management on water resources at plot and catchment scales; Hydrological Processes: An International Journal
Recurrent Neural Networks for One Day Ahead Prediction of Stream Flow; 29th Australasian Joint Conference on Artificial Intelligence
Research strategies for disease management in eucalypt plantations in Tasmania, Australia; 12th Biennial Australasian Plant Pathology Society Conference
Simultaneous measurement of ammonium, nitrate and proton fluxes along the length of eucalypt roots; Plant and Soil
Soil microbial biomass and activity in two eucalypt plantation soils after fertilisation; Tasforests
Spatial scale and opportunities for choice influence browsing and associational refuges of focal plants; Journal of Animal Ecology
Strategies for disease management in Eucalyptus plantations in Tasmania, Australia; 18th Biennial Conference of the Institute of Foresters of Australia
Stream flow unaffected by Eucalyptus plantation harvesting implicates water use by the native forest streamside reserve; Journal of Hydrology: Regional Studies
The impact of timing and duration of grass control on growth of a young Eucalyptus globulus Labill. plantation; New Forests

Research Projects

Synchronising Phosphorus Fertilisation with Plant Phosphorus Demand: A Tactic to Reduce Phosphorus Transfer from Land to Water; Australian Research Council (ARC)

Research Candidate Supervision

Aspects of the Nutrition and Physiology of Eucalyptus globulus
Competition for soil water and nitrogen between Holcus lanatus L. and young Eucalyptus golbulus Labill.
Long-term Annual Nitrogen Fertilisation of Eucalyptus regnans F. Mueller and Pinus radiata D. Don- Effects on Tree Growth, Soil Chemistry and Net Nitrogen Mineralisation
Predicting Nitrogen Deficiency in Eucalyptus Nitens Plantations Using Soil Analysis and Budgetting Methods
Process based prediction of nutrient limitations to plants
Study of the nutrient absorbtion proprties of eucalyptus roots in relation to genotype, environment and physiological age
Vulnerability of a Focal Plant to Browsing by Generalist Mammalian Herbivores- Relative Importance of Self and Neighbours