The Brenner Base Tunnel - a new link through the Alps

32 In collaboration with the Innsbruck Forestry Department and various private forest owners, a project has been established to restructure the monotone coniferous forest at Paschberg. Targeted uprooting and re-forestation will create a species-rich and there- fore more valuable mixed deciduous forest. The objective of this program is to bring back a habitat that comes as close to the original state as possible. Project for the improvement of the stock structure on Paschberg/Lanser Kopf The Isarco river bed will be expanded over a length of 200 m and an area of 0.5 ha in the region of the Sterzinger Moos. This measure will include the creation of a non-consolidated island and the shoreline will be improved by planting trees, giving the area a very natural appearance. Improvements are also planned to the Isarco channel in the area between the disposal site at Genauen and the Fortezza dam. Part of the plan includes the construction of rock groynes of non-grouped cyclops stones and grouped large stones at various sections. A total of 6,500 m³ of stones will be placed. Expansion and improvement of the structure of the Isarco river Orchid meadow in the Padaster valley Small biotopes are an important part of a linked biotope whole. They include orchid meadows, which can often be found in unfertilized, damp calcareous or alkaline grasslands. In the Padaster valley, BBT SE success- fully transplanted a roughly 250 square metre orchid meadow, thus assuring its continued survival. The measures planned for the Isarco include the building of natural-looking embankments.