Since the early 20th century, changes of agricultural practices in Sweden have led to an increased competition from more dominant species in the old forage meadows. As a result, populations of the orchid Gymnadenia nigra ...

Some research has been made on Cairns and Stone settings but no in-depth analysis. The aim was to analyse and do 3D models over a study area of a Cairn and a Stone setting. This was done by using Structure-from-Motion ...