HjerkinnPRO restoration of removed roads ...

• Main Author: Evju, Marianne
• Format: Dataset
• Language: English
• Published: Norwegian Institute for Nature Research 2023
• Subjects: Samplingevent; Dovrefjell
• Online Access: https://dx.doi.org/10.15468/grq33j; https://www.gbif.org/dataset/f70bd131-1dff-41a0-b0b3-b5373062239e

HjerkinnPRO: restoration of removed roads. The roads at the Hjerkinn military training area in Dovrefjell, Central Norway, were constructed during the 1960s by adding crushed stone and gravel on top of undisturbed terrain and vegetation. In 2002, a pilot project removing 1.2 km of roads was initiated. An ecological monitoring program was established to evaluate the recovery of the vegetation following removal using different restoration treatments. The pilot project was established along three road sections (sites). To remove the roads in August 2002, a shell-proof excavator first removed the crushed stone down to the original terrain surface. Then the upper soil layer was stirred down to 20 cm as the excavator grab lifted the compressed surface. Four restoration treatments were tested: (1) Soil preparation by stirring as described above (Soil treatment), (2) Fertilization, where 20 g/m2 of granulated N-K-P fertilizer was added to the stirred topsoil, (3) Fertilization and seeding, where 7 g/m2 of commercial ...