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Abstract

This paper explores the impact of future climate scenarios on pasture and livestock production

at five locations in western NSW. Outputs of climate and pasture models, simulating future

pasture production are presented. The approach uses daily weather values, generated by

downscaling historical data that statistically represent future climate as projected by four

global circulation models (GCMs). These weather values are used in GRASP, with and

without adjustments for increased atmospheric CO2, to model pasture growth scenarios. The

work explores the direction and feasible range of change and what it will mean for livestock

production.