Editing Geography of Switzerland (section)

===Unproductive areas===
The unproductive areas correspond to all areas occupied by rocks, boulders, ice, snow fields and unproductive vegetation beyond the limits of forests. Lakes, rivers and wetlands are also unproductive areas. Occupying 25.5% of Swiss soil, these surfaces are in very slight decline (-0.1% over 10 years). They are predominant in the Central Alps (half of the soil), on the contrary they only cover 10% of the surface of the plateau and 1% of the Swiss Jura. The uncultivated mountain areas are exploited by the tourism and the production of [[hydroelectricity]]. Climatic conditions strongly affect the landscape of these areas: water [[seepage]], [[landslides]], [[avalanche]]s, [[torrent (stream)|torrent]]s in spate. Man intervenes on 0.2% of this surface area to create infrastructure protecting against floods or avalanches. The channels of communication, with many works of art occupy a portion of these surfaces.

In the plains, lakes and streams near areas of habitat are used for recreation and relaxation. Habitats, damp or dry, and nature reserves are managed and these areas contribute to maintain [[biodiversity]].