Caltrans > Landscape Architecture Program > TransPLANT > County Index > ALAMEDA County > EcoUnit 261Ad

California Ecological Unit 261Ad
East Bay Terraces and Alluvium

USFS Ecoregions of California 1997

Domain200 HUMID TEMPERATE DOMAIN
Division260 MEDITERRANEAN DIVISION
Province261 WESTERN OCEANIC MIXED SCLEROPHYLL FORESTS AND SHRU
Section261A Central California Coast Section
Subsection261Ad East Bay Terraces and Alluvium

USDA-NRCS Major Land Resource Regions and Areas 1994

LRR1994CCalifornia Subtropical Fruit, Truck, and Specialty Crops
MLRA199414Central California Coastal Valleys

Sunset Climate Zones 2001

 Precipitation (in)WinterSummer
ZoneExtentMinAvgMaxAvgSnowSeverityLowestTempFSeverityHiTempAvgGrowDays
9Cental Valley1322MinimalMinimally Cold 0.00Minimally Cold 90.00250-280

Selected Seed Specifications

SpecIDSpec TypeMix TypeTaxa CountSum PLS/ft2Spec DetailsSpec Excel
All
1Native Annual WildflowerAnnForb6150Spec1 detailsSpec1 XLS
3Annual GrasslandAnnGrass2144Spec3 detailsSpec3 XLS
5Perennial GrasslandPerGrass580Spec5 detailsSpec5 XLS
6Perennial GrasslandPerGrass685Spec6 detailsSpec6 XLS
8Mixed Lowland PioneersAnnGrass--PerGrass / AnnForb--PerForb7119Spec8 detailsSpec8 XLS
9Mixed Lowland PioneersAnnGrass--PerGrass / AnnForb--PerForb / Shrub996Spec9 detailsSpec9 XLS
12Mixed Lowland PioneersAnnGrass--PerGrass / AnnForb--PerForb / Shrub5200Spec12 detailsSpec12 XLS
16Mixed Montane PioneersAnnGrass--PerGrass / AnnForb--PerForb / Shrub11263Spec16 detailsSpec16 XLS
17Wetland RevegPerGrass-Sedge-Rush / Forb / Shrub6165Spec17 detailsSpec17 XLS
18BiofilterPerGrass-Sedge-Rush / Forb6302Spec18 detailsSpec18 XLS
20BiofilterPerGrass-Sedge-Rush / Forb3146Spec20 detailsSpec20 XLS