PRIMARY ENTITY
wikidata:Q104715382
instance of:ecoregion
realm:Nearctic
country:United States
administrative entity:California
physical feature:Central Valley
one_earth_id:california-central-valley-grasslands
CALIFORNIA CENTRAL VALLEY GRASSLANDS
WWF Ecoregion NA0801. The strata beneath the American River Parkway, the red clay that holds our gardens, the silt deposited by millennia of river migration.
CLASSIFICATION SYSTEM
wikidata:Q905795
standards_body:ASTM International
bartoc_id:1082
kbpedia_id:UnifiedSoilClassificationSystem
has_use:soil classification
items_classified:soil
0–35cm: Surface Loam (organic-rich)
35–70cm: Red Clay Matrix (iron oxide saturation)
70–100cm: Alluvial Silt (river deposition)
STRATUM LEGEND
Surface Loam — organic matter, seed banks
Red Clay — iron oxides, water retention
Alluvial Silt — river-borne minerals