Soil crust
Encyclopedia
A soil crust is a layer of soil
whose particles cohere because of organic material including live organisms and what they produce.
Soil
Soil is a natural body consisting of layers of mineral constituents of variable thicknesses, which differ from the parent materials in their morphological, physical, chemical, and mineralogical characteristics...
whose particles cohere because of organic material including live organisms and what they produce.
External references
- Cryptobiotic soils by the USGS