Fig. 2From: Charcoal kiln sites, associated landscape attributes and historic forest conditions: DTM-based investigations in Hesse (Germany)Detail of a digital terrain model (DTM) derived from airborne laser scanning (ALS) data, Kellerwald-Edersee National Park. Besides numerous charcoal kiln sites (marked by white circles), medieval lynchets (one example marked with “L”) and modern forest roads (one example marked with “R”) are visible. The area is currently mostly covered by beech forestBack to article page