RUVIVAL Toolboxes on Global Soil Resources and Soil Erosion are now available in German! This post is also available in: Deutsch (German) Once again today two new RUVIVAL toolboxes are available in german language on the HOOU website: The toolbox on Global Soil Resources and the toolbox on Soil Erosion. Have fun with it! World Soil Resources degrade globally. Soil Erosion displaces the upper soil layers.