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Temora – Southern Livestock Adaptation 2030


Using producers’ own production and financial data from the Temora region, modelling was initially undertaken to assess pasture and livestock production, and enterprise profitability for two prior periods (1970-1999 and 2000-2009) to ensure the models were performing correctly. Modelling was then performed looking ahead to 2030, using 4 different climate scenarios.

A 20um self-replacing merino enterprise on an annual grass, sub clover  and lucerne pasture was examined.

Weather predictions & pasture production

Projected weather for the four 2030 scenarios and the impact on pasture production are shown below

Key findings

  • Compared to 1970-1999, over the period 2000-2009 rainfall was 27% lower, average maximum temperature was 4% higher and pasture production 31% lower
  • For 2030:
      • The temperature increases are consistent (+8%) but the rainfall forecast is variable ranging from no change to an 18% decrease, and averaging an 8% reduction.
      • This leads, on average, to a 9% decrease in annual pasture production and to maintain minimum ground cover a decrease in stocking rate will be required
      • There is a big variation between the models in pasture production (from +6% to -23%) and therefore stocking rate. The timing of the rain within the year is having a big influence as a result of the lucerne. Managing the variability between years will become more critical with time.

Livestock & Financial Impacts, and Adaptations

Using the pasture production figures, the impacts on livestock production and farm profitability were then calculated. Such impacts were initially based on a “business as usual” case i.e. no adaptations (changes to farm management practices) were made.

Then, by discussing these predicted results with farmers, a series of possible adaptations were agreed to and . These adaptations were assessed for their ability (either individually or in combination) to help reduce the impact of climate change on livestock production and farm profitability.

To see the ‘business as usual’ impacts, and then what adaptations were proposed by producers and for the sheep enterprises at Temora, please click on: