Nutria, an invasive species, has caused erosion and loss of habitat in California and approximately 19 other states.
Erosion transports the fragments away ... cliffs and rakes the fragments back and forth into fine sand. Plants and animals also take a heavy toll on Earth's hardened minerals.
Scientists have found actual geological proof of a catastrophic flood that once filled the Mediterranean Basin in record time and it could explain why animals and early humans migrated the way ...
On all these upland soils erosion, though not conspicuous ... ensure their continued usefulness as grazing grounds for food animals.