Forest management/Data uncertainties limitations: Difference between revisions
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{{ComponentDataUncertaintyAndLimitationsTemplate | {{ComponentDataUncertaintyAndLimitationsTemplate | ||
|Description= | |Description==== Data === | ||
=== Data === | |||
FAO’s Forest Resource Assessment (FAO 2010) is the main data source used in the development and calibration of the forest management module, from which we derived data on wood production and deforested areas. In addition, national data were collected to parameterise the types and efficiency levels of forest management in different parts of the world (Arets et al., 2011). Further, the establishment of new forest plantations was designed according to planting rates reported and projected by the FAO (Brown, 2000; Carle and Holmgren, 2008). | FAO’s Forest Resource Assessment (FAO 2010) is the main data source used in the development and calibration of the forest management module, from which we derived data on wood production and deforested areas. In addition, national data were collected to parameterise the types and efficiency levels of forest management in different parts of the world (Arets et al., 2011). Further, the establishment of new forest plantations was designed according to planting rates reported and projected by the FAO (Brown, 2000; Carle and Holmgren, 2008). | ||
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=== Limitations === | === Limitations === | ||
In IMAGE, it is generally assumed that forests begin to regrow as soon as wood has been harvested, unless agriculture expands into that exact location. The only real modelled driver of deforestation is the net expansion of agriculture per certain region. However, there are many drivers of deforestation that are not related to agricultural expansion. So far, no global assessment model has included these other drivers, and therefore deforestation rates are calibrated, as they are in IMAGE. Although, the assumptions on these other drivers are highly uncertain, they largely determine future deforestation and deforestation emissions in scenario simulations. | In IMAGE, it is generally assumed that forests begin to regrow as soon as wood has been harvested, unless agriculture expands into that exact location. The only real modelled driver of deforestation is the net expansion of agriculture per certain region. However, there are many drivers of deforestation that are not related to agricultural expansion. So far, no global assessment model has included these other drivers, and therefore deforestation rates are calibrated, as they are in IMAGE. Although, the assumptions on these other drivers are highly uncertain, they largely determine future deforestation and deforestation emissions in scenario simulations. | ||
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Revision as of 16:28, 25 March 2014
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