NEXUS project: pathways for greenhouse gas emissions mitigation and climate change adaptation of Australian Livestock Industries
Paper
Cullen, Brendan R., Harrison, Matthew T., Mayberry, Dianne, Cobon, David H., An-Vo, Duc-Anh, Christie, Karen M., Bilotto, Franco, Talukder, Saranika, Perry, Lindsey, Eckard, Richard J. and Davison, Thomas M.. 2022. "NEXUS project: pathways for greenhouse gas emissions mitigation and climate change adaptation of Australian Livestock Industries." 8th International Greenhouse Gas and Animal Agriculture Conference (GGAA 2022). Orlando, United States 05 - 09 Jun 2022 Florida, United States.
| Paper/Presentation Title | NEXUS project: pathways for greenhouse gas emissions mitigation and climate change adaptation of Australian Livestock Industries |
|---|---|
| Presentation Type | Paper |
| Authors | Cullen, Brendan R. (Author), Harrison, Matthew T. (Author), Mayberry, Dianne (Author), Cobon, David H. (Author), An-Vo, Duc-Anh (Author), Christie, Karen M. (Author), Bilotto, Franco (Author), Talukder, Saranika (Author), Perry, Lindsey (Author), Eckard, Richard J. (Author) and Davison, Thomas M. (Author) |
| Journal or Proceedings Title | 8th International Greenhouse Gas and Animal Agriculture Conference (GGAA 2022) |
| Number of Pages | 1 |
| Year | 2022 |
| Place of Publication | Florida, United States |
| Web Address (URL) of Paper | https://conference.ifas.ufl.edu/ggaa/ |
| Conference/Event | 8th International Greenhouse Gas and Animal Agriculture Conference (GGAA 2022) |
| Event Details | 8th International Greenhouse Gas and Animal Agriculture Conference (GGAA 2022) Event Date 05 to end of 09 Jun 2022 Event Location Orlando, United States |
| Abstract | Australian sheep and beef production systems face the dual challenges of reducing net greenhouse gas emissions and adapting to a warmer climate with changing rainfall patterns. The 'Nexus project' is exploring pathways for livestock production systems to meet these challenges using farm systems modelling approaches. The objective of this component of the project was to estimate the GHG emissions intensity (GHG EI) from sheep and beef farms. Seven case study farms in eastern Australia were investigated across a diverse range of agroecological zones from the high rainfall, cool-temperate climate in Tasmania through to the arid, tropical region of northern Queensland. The production systems were one sheep-only farm (Midlands, Tasmania), three beef-only farms (north-west Tasmania, central Queensland and northern Queensland) and three mixed sheep and beef farms (Gippsland Victoria, northern Victoria and central New South Wales). Data on current farm management and production was collected through interviews with farm managers and used to estimate GHG EI using the Australian National Greenhouse Gas Inventory Report methodology. For sheep production, emissions were partitioned between meat and wool using the protein allocation method. Results were expressed as tonnes carbon dioxide equivalents (CO2 e) per tonne of production sold (liveweight for beef and sheep meat, and greasy wool). GHG EI of beef production ranged from 9.8-15 t CO 2 e/t liveweight sold, with the lowest value on the farm in northwest Tasmania and the highest value in the central Queensland. For sheep production, the GHG EI of meat production ranged from 5.3-8.7 t CO2 e/t liveweight sold and wool production from 19.7-31.0 t CO2 e/t greasy wool sold. In general sheep and beef production GHG EI's were lower where the reproduction rates were higher. Further research will investigate options to reduce both total GHG and GHG EI using combinations of mitigation and sequestration opportunities on-farm. |
| Keywords | greenhouse gas emissions, livestock, climate change, cattle, beef, dairy, America, Australia, trees, pastures, red meat, meat consumption, net zero, carbon neutral, soil carbon, carbon capture, extreme weather event, adaptation, mitigation, methane |
| ANZSRC Field of Research 2020 | 410199. Climate change impacts and adaptation not elsewhere classified |
| 300302. Animal management | |
| Public Notes | Files associated with this item cannot be displayed due to copyright restrictions. |
| Byline Affiliations | University of Melbourne |
| University of Tasmania | |
| Commonwealth Scientific and Industrial Research Organisation (CSIRO), Australia | |
| Centre for Applied Climate Sciences | |
| Department of Agriculture and Fisheries, Queensland | |
| University of New England | |
| Institution of Origin | University of Southern Queensland |
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