Agriculture and land use: Difference between revisions
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|Application=Roads from Rio+20 (2012); | |Application=Roads from Rio+20 (2012); | ||
|Description=Demand for and production of agricultural products are modeled by soft-coupled agro-economic models, mostly [[MAGNET model|MAGNET]] and [[IMPACT model|IMPACT]]. With the MAGNET model information can be exchanged in two ways: the IMAGE model supplies the MAGNET model with information on land-supply curves by region (using the IMAGE crop model). And MAGNET provides information on future agricultural production levels and intensity by region, matching regional demands through trade. The MAGNET model assesses the production of agricultural products on the basis of different combinations of primary production factors (land, labour, capital and natural resources) and intermediate production factors. For the livestock sector, IMAGE makes scenario-specific assumptions about the breakdown of livestock production over different systems. A key purpose of the agro-economy model is to determine regional production levels and the associated yields, taking changes in growing conditions into account. In that context, it should be noted that an increase in demand for agricultural production can be met via increased production based on a land expansion (using the regional land supply curves) and/or intensification of land use: increase in yields. | |Description=Demand for and production of agricultural products are modeled by soft-coupled agro-economic models, mostly [[MAGNET model|MAGNET]] and [[IMPACT model|IMPACT]]. With the MAGNET model information can be exchanged in two ways: the IMAGE model supplies the MAGNET model with information on land-supply curves by region (using the IMAGE crop model). And MAGNET provides information on future agricultural production levels and intensity by region, matching regional demands through trade. The MAGNET model assesses the production of agricultural products on the basis of different combinations of primary production factors (land, labour, capital and natural resources) and intermediate production factors. For the livestock sector, IMAGE makes scenario-specific assumptions about the breakdown of livestock production over different systems. A key purpose of the agro-economy model is to determine regional production levels and the associated yields, taking changes in growing conditions into account. In that context, it should be noted that an increase in demand for agricultural production can be met via increased production based on a land expansion (using the regional land supply curves) and/or intensification of land use: increase in yields. | ||
Revision as of 11:13, 7 January 2014
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Composition of Agriculture and land use |