Fig. 2. Illustration of the study area showing main land use types and four subregions: the valley entrance to the city of Visp (A), historical houses (B), glaciers tourism above Saas-Fee (C), and a forested area (D). Pictures were taken by the project team. In 2009, agriculture accounted for 4023 ha (11.7% of the whole region), forested/wooded areas 7631 ha (22.2%), settlement/urban 853 ha (2.5%), unproductive vegetation areas 3837 ha (11.2%), bare land (glaciers and rocky surfaces) 17,464 ha (50.8%), and water surface 541 ha (1.6%).