CEB Committe on Evolutionary Biology

Kidwell: Apocalypse Cow

Huge numbers of unmanaged, free-ranging cattle transformed LA’s bucolic prairie into an over-grazed desert by the 1820’s. Cattle would have also trampled and compacted the soil severely, so that rainfall would run off to the sea rather than penetrate and remain in the soil.

https://spark.adobe.com/page/rRLMxHBJlA1EL/