PUBLICATIONS BY KEY STAFF
Establishing soil nutrient distribution zones across free-range egg farms to guide practical nutrient management strategies. Available HERE.
Potential contaminants and hazards in alternative chicken bedding materials and proposed guidance levels: a review. Available HERE.
Nitrous oxide, Ammonia and Methane from Australian Meat Chicken Houses measured under commercial operating conditions and with mitigation strategies applied. Available HERE.
Methane, nitrous oxide and ammonia emissions from a conventional Australian piggery with short and long hydraulic retention time effluent storage. Available HERE.
Emissions of nitrous oxide, ammonia and methane from Australian layer hen manure storage with a mitigation strategy applied. Available HERE.
Methane, nitrous oxide and ammonia emissions from pigs housed on litter and from stockpiling of spent litter. Available HERE.
Soil nitrate and phosphorus accumulates rapidly with a non-uniform distribution in two outdoor pig areas. Available HERE.
Field measurement of beef pen manure methane and nitrous oxide reveals a surprise for inventory calculations. Available HERE.
Water use by livestock: A global perspective for a regional issue? Available HERE.
Ruminant enteric methane mitigation: a review. Available HERE.
An investigation of lot-fed cattle drinking water consumption under Australian conditions. Available HERE.
Water usage of individual activities within Australian cattle feedlots, in Agriculture Technologies in a Changing Climate. Available HERE.
Energy usage of individual activities within Australian cattle feedlots, in Agriculture Technologies in a Changing Climate. Available HERE.
Trends in the environmental impacts from the Australian pork industry: 1980-2020.
Life Cycle Assessment (LCA) and Footprinting
Building consensus on water use assessment of livestock production systems and supply chains: Outcome and recommendations from the FAO LEAP Partnership. Available HERE.
Environmental impacts associated with the production, use, and end-of-life of a woollen garment. Available HERE.
Clothing lifespans: What should be measured and how. Available HERE.
Effect of methodological choice on the estimated impacts of wool production and the significance for LCA-based rating systems. Available HERE.
Review of Methodological Choices in LCA-Based Textile and Apparel Rating Tools: Key Issues and Recommendations Relating to Assessment of Fabrics Made From Natural Fibre Types. Available HERE.
Resource use and greenhouse gas emissions from three wool production regions in Australia. Available HERE.
Resource use and environmental impacts from Australian export lamb production: a life cycle assessment. Available HERE.
Resource use and environmental impacts from beef production in eastern Australia investigated using life cycle assessment. Available HERE.
Resource use and greenhouse gas emission from grain finishing beef cattle in seven Australian Feedlots. Available HERE.
Resource use and environmental impacts from Australian chicken meat production. Available HERE.
Environmental impacts and resource use from Australian pork production assessed using life cycle assessment: 1. Greenhouse gas emissions. Available HERE.
Environmental impacts and resource use from Australian pork production assessed using life cycle assessment: 2. Water, energy and land footprints. Available HERE.
Resource use and greenhouse gas intensity of Australian beef production: 1981 to 2010. Available HERE.
Application of life cycle assessment to sheep production systems: Investigating co-production of wool and meat using case studies from major global producers. Available HERE.
Environmental impacts and resource use of Australian beef and lamb exported to the USA determined using life cycle assessment. Available HERE.
A life cycle assessment approach to quantifying greenhouse gas emissions from land-use change for beef production in eastern Australia. Available HERE.
Quantifying carbon sequestration on sheep grazing land in Australia for life cycle assessment studies. Available HERE.
Livestock meat processing: inventory data and methods for handling co-production for major livestock species and meat products. Available HERE.
Impacts of land-use change on the assessment of water use in grazing systems and interactions with carbon sequestration. Available HERE.
Assessing agricultural soil acidification and nutrient management in life cycle assessment. Available HERE.
Red meat production in Australia: Life cycle assessment and comparison with overseas studies. Available HERE.
Review of water assessment methodologies and application to Australian agriculture. Available HERE.
Wiedemann, SG, McGahan, EJ, Zadow, 2010, Life cycle assessment of Australian egg production', in Proceedings of the LCA Food 2010 VII international conference on life cycle assessment in the agri-food sector, B Notarnicola, et al. (eds.), Bari, Italy.
Life cycle assessment of two Australian pork supply chains. Available HERE.
Accounting for water use in Australian red meat production. Available HERE.
Selected Industry Reports
Odour Review of Layer Farms and Development of S-Factor Formula, AECL. Available HERE.
Environmental assessment of an egg production supply chain using life cycle assessment, Final Project Report, AECL. Available HERE.
Conversion of waste to energy in the chicken meat industry - Final Report, RIRDC. Available HERE.
National environmental management system for the meat chicken industry, RIRDC. Available HERE.
Layer hen manure analysis report, AECL. Available HERE.
Composting everyday mortality and other wastes from layer farms, AECL. Available HERE.
Litter Reuse: An Evidence-based Guide to Reusing Litter, RIRDC . Available HERE.
Playsted, C, Wiedemann, S & McGahan, E 2011, Biochar manufacture from poultry litter - Final Report, RIRDC Project No. PRJ-005548, February 2011, Rural Industries Research and Development Corporation, Sydney.
Audit of spent litter production and utilisation in the pumice-stone catchment, DEEDI & QPIF. Available HERE.
Wiedemann, S, Sullivan, T & McGahan, E 2014, GHG Prediction methods for feedlots, poultry and pigs, Technical report for the Department of Environment Greenhouse Gas Inventory Team, Federal Department of the Environment.
Beef, Lamb and Wool
Wiedemann, SG, Cottle, DJ, Valentine, JG, Watts, PJ & McGahan, EJ 2014, Feedlot GHG Mitigation Strategies for the CFI, Meat & Livestock Australia Ltd, Sydney, NSW.
ERF Opportunity Study: Final Report, MLA. Available HERE.
Davis, R, Wiedemann, S & Watts, P 2010, Quantifying the water and energy usage of individual activities within Australian feedlots -Part A report: Water usage at Australian feedlots 2007-2009, October 2010, Meat & Livestock Australia Limited, North Sydney, NSW.
Davis, R, Wiedemann, S & Watts, P 2010, Quantifying the water and energy usage of individual activities within Australian feedlots -Part B report: Energy usage at Australian feedlots 2007-2009, October 2010, Meat & Livestock Australia Limited, North Sydney, NSW.
Quantifying the water and energy usage of individual activities within Australian feedlots - Part A (water), MLA. Available HERE.
Quantifying the water and energy usage of individual activities within Australian feedlots - Part B (energy), MLA. Available HERE.
Energy usage of individual activities within Australian cattle feedlots. Available HERE.
Feedlot Mass Balance and Greenhouse Gas Emissions - A Literature Review, Final Report, MLA. Available HERE.
The low emission future of pork, Pork CRC. Available HERE.
Better Nutrient Management on Pig Farms: A guide for interpreting soil and by-product analyses, APL. Available HERE.
McGahan, EJ, Watts, P & Wiedemann, SG 2010, Validation and Development of PIGBAL model - Literature Review. Final report prepared for Australian Pork Limited (APL). Project No. 4446.
McGahan, E, Tucker, R, Chinivasagam, N, Blackall, P, Barker, S, Green, S, Wiedemann, S. 2007, Composting of Piggery Manure and Mortalities: Final Report, Australian Pork Limited Project No. 2140, Australian Pork Limited, Deakin.
Galloway, JL & Wiedemann, SG 2011, 'Nutrient mapping of free-range pork production using EM technology', Paper submitted to the APSA 2011 Conference, Hilton Hotel, Adelaide, 27-30 November 2011.
PREVIOUS RESEARCH CONDUCTED BY OUR STAFF
Developing birdsfoot trefoil (Lotus corniculatus L.) varieties for permanent pasture applications in low latitude regions of eastern Australia. Available HERE.
The role of fruit exposure in the late-season decline of grape berry mesocarp cell vitality. Available HERE.
Understanding the diversity in yield potential and stability among commercial sorghum hybrids to inform crop designs. Available HERE.
Spatiotemporal changes in the accumulation of sugar and potassium within individual ‘Sauvignon Blanc’ (Vitis vinifera L.) berries. Available HERE.
Impact of reduced atmospheric CO2 and varied potassium supply on carbohydrate and potassium distribution in grapevine and grape berries (Vitis vinifera L.). Available HERE.
Solute transport within grape berries inferred from the paramagnetic properties of manganese. Available HERE.
Time course study of grape berry split using diffusion MRI. Available HERE.
Spring root‐zone temperature regulates root growth, nutrient uptake and shoot growth dynamics in grapevines. Available HERE.
Use of diffusion magnetic resonance imaging to correlate the developmental changes in grape berry tissue structure with water diffusion patterns. Available HERE.
Sectoriality in xylem connections between the bunch and leaves of the grapevine (Vitis vinifera) shoot. Available HERE.
Elevated root-zone temperature hastens vegetative and reproductive development in Shiraz grapevines. Available HERE.
Vegetative growth and cluster development in Shiraz grapevines subjected to partial root-zone cooling. Available HERE.
Nocturnal and daytime stomatal conductance respond to root-zone temperature in ‘Shiraz’ grapevines'. Available HERE.
Stomatal response of an anisohydric grapevine cultivar to evaporative demand, available soil moisture and ABA’. Available HERE.
Transpiration efficiency of the grapevine cv. Semillon is tied to VPD in warm climates’. Available HERE.
Long-distance transport of pertechnetate in the moonflower (Ipomoea alba). Available HERE.
Changes in susceptibility of grape berries to splitting are related to impaired osmotic water uptake associated with losses in cell vitality. Available HERE.
Ecosystem collapse in Pleistocene Australia and a human role in megafaunal extinction. Available HERE.