Diapositiva 1

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To assess the impact of climate
change/variability and develop adaptive
responses for the mixed grain/livestock
production systems
SIMULATION MODELS CROP/PASTURE DSSAT APSIM
CLIMATE CHANGE SCENARIOS GCM Sensitivity
analysys Scenario based on past changes
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CROP/PASTURE MODELS
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Changes in median values between 1930-1960 and
1970-2000 used in future scenarios.
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Simulated Yield (DSSAT)
Scenario based on past changes
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• Future tasks
• To assess regional impacts
• To evaluate other scenarios
• To improve temperature and radiation in WG
• To consider mixed systems

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MODELS and MIXED SYSTEMS
CROPPING SYSTEMS MODULARITY FLEXIBILITY LONG TERM

CROPSPASTURES ROTATIONS LONG TERM ANALYSIS
APSIM
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Pastures in APSIM
APSIM- GRASP
Rangeland production
This module does not simulate root growth, the
nitrogen cycle and the effect of increased CO2
concentration.
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Development of a new Module to simulate pasture
growth
Intercropping
Canopy
competence for light
Clover
Species and Cultivar Specific parameters
competence for Water and Nutrients
New Module