biogenic soil crust - living soil - desert - utah

abrasion aerosol also animals are benthos biogenic body cartoon chemogenic co2 contain crust desert diagram ecosystem education energy environment fish forming freshwater graph help illustration interaction interactive known lake landscape living loose macrophytes many matter mineral nature nutrient nutrients organic plankton plant rich river runoff sandy sapropel science sedimentation sediments sequestering soil soils solar species systems terigenic that transformation tree utah vector water whiteboard wind