Climate change impact on Western Australian mixed farm systems

Ghahramani, Afshin and Moore, Andrew D. and Crimp, Steven J. and Bowran, David (2015) Climate change impact on Western Australian mixed farm systems. In: 5th International Symposium for Farming Systems Design, 7-10 Sept 2015, Montpellier, France.

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Abstract

Primary enterprises are expected to contend with more frequent climate crises, environmental degradation and even
climate-related regulatory change (IPCC, 2014). These stressors occur against an existing backdrop of conventional
drivers including economic, biophysical, institutional, cultural and political pressures (Marshall et al., 2012). Australia’s primary industries have historically operated in a highly variable climate and this has posed significant challenges to production, requiring sound and responsive risk management practices. Climate change, brings with it a number of new challenges not yet accounted for by Australian primary producers, and so understanding the scale of these impacts is of importance in undertsanding the changing nature of agricultural risk in the near future. Western Australia with about 4 million ha of wheat production is a major contributor to the Australian agrifood sector and economy. Like cereal production, pastures in WA play a major role in agricultural enterprises and contribute over $3 billion annually through
animal production, improvements to crop rotations and conserved fodder (The Department of Agriculture and Food,
2014). Farming profitably in the Western Australia in recent years has been a challenge due in part to declines in annual rainfall as well as exposure to both heat and cold teperature extremes (McConnell & O’Hare, 2013), although lower production might be still profitable. Climate drives the productivity, profitability and environmental health of these systems as they often have to respond to low and variable rainfall. Here we identify the likely effect of climate change in 2030 on mixed farm systems of the Western Australia across a climate transect in terms of production, profit, and environmental impacts for projected climate scenarios in 2030 relative to the baseline of 1980-1999. This work will give insight for designing strategies to respond to changes in climate such as optimized shift towards more intensive livestock systems, dual-purpose cropping, etc.


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Item Type: Conference or Workshop Item (Commonwealth Reporting Category E) (Speech)
Refereed: Yes
Item Status: Live Archive
Additional Information: Oral presentation - Abstract only, published in Conference Proceedings.
Faculty / Department / School: Current - Institute for Agriculture and the Environment
Date Deposited: 30 Nov 2016 23:51
Last Modified: 23 Jun 2017 05:17
Fields of Research : 07 Agricultural and Veterinary Sciences > 0701 Agriculture, Land and Farm Management > 070103 Agricultural Production Systems Simulation
07 Agricultural and Veterinary Sciences > 0701 Agriculture, Land and Farm Management > 070105 Agricultural Systems Analysis and Modelling
URI: http://eprints.usq.edu.au/id/eprint/29984

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