Forest management/Data uncertainties limitations: Difference between revisions
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===Limitations=== | ===Limitations=== | ||
<div class="version changev31"> | <div class="version changev31"> | ||
Timber demand in IMAGE 3.0 is the total demand of sawlogs, pulpwood and fuelwood. The demand is fulfilled by harvesting wood from any type of forest without specifying the original source of demand. This can be relevant as different types of wood are used for timber, pulp and fuel. For specific assessments it would be useful to include this detail in the allocation of forestry. | Timber demand in IMAGE 3.0 is the total demand of sawlogs, pulpwood (both based on [[FAO]] for the historic period), and fuelwood (based on [[IEA]] and calculated by the [[TIMER model]]). The demand is fulfilled by harvesting wood from any type of forest without specifying the original source of demand. This can be relevant as different types of wood are used for timber, pulp and fuel. For fuelwood we assume that a certain fraction originate from informal sources, like gathering. For specific assessments it would be useful to include this detail in the allocation of forestry. | ||
The timber demand in a region is the sum of local/regional demands and timber claims by other regions. The trade assumptions are adopted from external models, limiting the application of the model for cases with regional timber scarcity. | The timber demand in a region is the sum of local/regional demands and timber claims by other regions. The trade assumptions are adopted from external models, limiting the application of the model for cases with regional timber scarcity. | ||
Revision as of 14:46, 10 July 2017
Parts of Forest management/Data uncertainties limitations
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