GTAP Land Use Data, Release 1.2: 

***Key improvement:
A. revised timberland area and carbon stock data of all countries, with up to 8 digits precision.
B. revised tree species mapping: note that in this release there are 3 tree species--i.e., coniferous, broadleaf, and mixed--whereas earlier releases have no distinction between tree species.

***Data files:
1. GTPLU18V60_RVS_APR06.HAR: GTAP "VFM" header of land rent, by 18 AEZ (slight differences from earlier releases as precision of the raw data has been enhanced in this release).
2. SAGE_DATA.HAR: SAGE land cover and land use data (same as releases 1.0 and 1.1).
3. DGTM_DATA_rvs_all.HAR: DGTM timberland area, forest carbon stock and land rent data (all countries are revised, with up to 8 digits precision).

April 4, 2006