Life is water, and water is life. This truism certainly applies to the Pacific coast, where streams and rivers function as the region’s arteries. The water they carry fosters plant life and wildlife in Southern California’s Mediterranean climate. They provide sanctuary during droughts and often serve as the nexus for recovery after fires.

Source: University of California Santa Barbara

From Science Daily:
https://www.sciencedaily.com/releases/2021/12/211201133635.htm