Climate change impact and adaptation in agricultural systems of Australia and Brazil

Ghahramani, Afshin and Berndt, Alexandre and Cobon, David and Banhazi, Thomas and Ji, Boyu (2017) Climate change impact and adaptation in agricultural systems of Australia and Brazil. In: 54th Annual Meeting of the Brazilian Society of Animal Science: A new View of Animal Science: Challenges and Perspectives, 24-28 June 2017, Foz do Iguacu, Brasil.

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Abstract

Climate and atmospheric change are projected to have a negative impact on productivity and profitability of livestock industries in grasslands and rangelands across the Australia and Brazil. Moderately elevated atmospheric CO2 is expected to increase plant production rates but in Australia it is unlikely that fertilisation effect of elevated CO2 on plant production be able to offset the total negative effects. The impacts of climate change on livestock industry will be mostly through decline in forage production and quality, and direct heat stress on animals. These impacts are predicted to vary among regions and livestock enterprises with the greater effect in low rainfall regions. A range of adaptation options projected to be helpful to decrease negative impacts of climate change. These are mostly options to reconfigure current grassland management and breeding animals with genetic suitable for projected climate change. In drier zones or regions with greater changes in climate, there will be need for systemic or transformative adaptations which are significant change in the nature and composition of current systems. Overall, there is an obvious need for research and attention of the policy makers into the impact of climate change on livestock industries and effective actions to sustain productivity of current grazing systems.


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Item Type: Conference or Workshop Item (Commonwealth Reporting Category E) (Paper)
Refereed: Yes
Item Status: Live Archive
Additional Information: Files associated with this record may not be displayed. This paper was an invited plenary talk (fully paid) http://www.sbz.org.br/reuniao2017/en/speakers This was a big conference with more than 1500 attendees which majority of them are students. Around 1000 people attended to mt talk.
Faculty / Department / School: Current - Institute for Agriculture and the Environment
Date Deposited: 21 Mar 2018 04:45
Last Modified: 02 Jul 2018 00:28
Uncontrolled Keywords: climate change, grazing system, ecosystem health, food security, yield gap, livestock production gap
Fields of Research : 07 Agricultural and Veterinary Sciences > 0701 Agriculture, Land and Farm Management > 070107 Farming Systems Research
07 Agricultural and Veterinary Sciences > 0701 Agriculture, Land and Farm Management > 070105 Agricultural Systems Analysis and Modelling
07 Agricultural and Veterinary Sciences > 0703 Crop and Pasture Production > 070301 Agro-ecosystem Functionand Prediction
URI: http://eprints.usq.edu.au/id/eprint/33713

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