Explore Map Collection

Check out our basemaps

Print a Map Plus

Generate a high-quality PDF

Discover local flora, fauna, geology, and more

Local Flora & Fauna

Learn the ecology of your area

Learn the geologic formation at your feet

Get Started or Sign In

Welcome

Sign up to start exploring the one-of-a-kind Natural Atlas Topo map

Continue with Apple

Or

Already have an account? Sign In

MAP

Topo

Rock Formations

Measure

Copyright © Natural Atlas | Roads, Buildings © OSM Contributors | Data Sources

Topo

Ecoregions

Public Lands

...

BASEMAPS

Default Weather

Temperature

Smoke

...

WEATHER

Westside Alluvial Fans and Terraces

Ecoregion in Coast Ranges, CA

Generate High-Quality PDF

The Westside Alluvial Fans and Terraces ecoregion is on very gently to gently sloping terraces and alluvial fans along the western edge of the San Joaquin Valley, adjacent to the Coast Ranges. Elevations range mostly from 5 to 300 feet, reaching 900 feet in the west. The soil temperature regime is thermic; soil moisture regimes are xeric, but aridic in the south. Vegetation includes perennial and annual grasslands and bladderpod and ephedra shrublands. Vernal pools and winter ponding occur. Agricultural land use is dominant, with grassland at the western margin.

— EPA

Taxonomy

Classified As