Current forest distribution

Map adapted from the global land cover classification developed by the University of Maryland. The Maryland classification includes 13 classes and was based on AVHRR remote sensing data with a spatial resolution of 1km. The map shown was derived by reclassifying the Maryland land cover data to accord with an ecologically based classification of five major forest types. For presentation purposes the data have here been generalised to a 4 km grid.
Source: data from University of Maryland Global Land Cover Facility. For full description see Hansen:
Hansen, M., DeFries, R., Townshend, J. R. G. and Sohlberg, R. 2000. Global land cover classification at 1km resolution using a decision tree classifier. International Journal of Remote Sensing. 21: 1331-1365.