The Nature, Forest, and Timber Research Centre is currently studying
a satellite image and the vector data obtained from the Walloon
Regions Nature and Forestry Division and its own holdings.
The satellite image was acquired on 14 August 1998 and covers a
large part of the Belgian Ardennes. It comes from the SPOT 4 satellite
and contains four spectral bands (green, red, near infrared, and
middle infrared). The satellite imagerys spatial resolution
is 20 metres.