Caltrans > Landscape Architecture Program > TransPLANT > County Index > CONTRA COSTA County > EcoUnit 262Al

California Ecological Unit 262Al
Delta

USFS Ecoregions of California 1997

Domain200 HUMID TEMPERATE DOMAIN
Division260 MEDITERRANEAN DIVISION
Province262 DRY STEPPES AND SHRUB OF MODERATE CONTINENTAL CLIM
Section262A Great Valley Section
Subsection262Al Delta

USDA-NRCS Major Land Resource Regions and Areas 1994

LRR1994CCalifornia Subtropical Fruit, Truck, and Specialty Crops
MLRA199417Sacramento and San Joaquin Valleys

Sunset Climate Zones 2001

 Precipitation (in)WinterSummer
ZoneExtentMinAvgMaxAvgSnowSeverityLowestTempFSeverityHiTempAvgGrowDays
8Cental Valley918MinimalMinimally Cold 0.00Minimally Cold 90.00260-285

Selected Seed Specifications

SpecIDSpec TypeMix TypeTaxa CountSum PLS/ft2Spec DetailsSpec Excel
All
1Native Annual WildflowerAnnForb6150Spec1 detailsSpec1 XLS
3Annual GrasslandAnnGrass2144Spec3 detailsSpec3 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
17Wetland RevegPerGrass-Sedge-Rush / Forb / Shrub6165Spec17 detailsSpec17 XLS
18BiofilterPerGrass-Sedge-Rush / Forb6302Spec18 detailsSpec18 XLS