Dye Creek Preserve

Location:California, United States
IUCN Category:Ia
Area:38,152 acres (15,440 hectares)
Species:All  Endangered  Invasive
Climate:View Climate Data
Land Use:View Land Use Data
Köppen climate classification:Csa (Climate: warm temperate; Precipitation: summer dry; Temperature: hot summer)

Ecoregions

California Central Valley grasslands
California interior chaparral and woodlands

Soils

Link to Map
Protected Area Boundary
 AB
   
Share60 %20 %20 % 
Soil TypeChromic LuvisolsEutric RegosolsLithosolsChromic Luvisols
Topsoil TextureMediumMediumMediumMedium
Reference Depth100 cm100 cm10 cm100 cm
DrainageModerately wellModerately wellImperfectlyImperfectly
Available Water Capacity100 m150 m15 mm50 m
Phase 1Stony  Duripan
Topsoil Properties
Gravel9 %27 %26 %9 %
Sand47 %47 %43 %47 %
Silt29 %34 %34 %29 %
Clay24 %19 %23 %24 %
USDA TextureLoamLoamLoamLoam
Reference Bulk Density1.39 g/cm³1.43 g/cm³1.39 g/cm³1.39 g/cm³
Bulk Density1.54 g/cm³1.21 g/cm³1.3 g/cm³1.54 g/cm³
Organic Carbon0.86 %0.97 %1.4 %0.86 %
PH6.46.47.66.4
Clay Cation Exchange Capacity38 cmol kg⁻¹41 cmol kg⁻¹42 cmol kg⁻¹38 cmol kg⁻¹
Soil Cation Exchange Capacity12 cmol kg⁻¹12 cmol kg⁻¹15 cmol kg⁻¹12 cmol kg⁻¹
Base Saturation89 %79 %100 %89 %
Total Exchangeable Bases10 cmol kg⁻¹15.1 cmol kg⁻¹15.6 cmol kg⁻¹10 cmol kg⁻¹
Calcium Carbonate0 %0 %3.9 %0 %
Calcium Sulphate0 %0 %0 %0 %
Exchangeable Sodium1 %1 %4 %1 %
Electrical Conductivity0.1 dS m-10.1 dS m-10.1 dS m-10.1 dS m-1
Subsoil Properties
Gravel8 %28 % 8 %
Sand39 %50 % 39 %
Silt27 %32 % 27 %
Clay34 %18 % 34 %
USDA TextureClay loamLoam Clay loam
Reference Bulk Density1.33 g/cm³1.44 g/cm³ 1.33 g/cm³
Bulk Density1.52 g/cm³1.46 g/cm³ 1.52 g/cm³
Organic Carbon0.38 %0.4 % 0.38 %
PH6.36.9 6.3
Clay Cation Exchange Capacity40 cmol kg⁻¹55 cmol kg⁻¹ 40 cmol kg⁻¹
Soil Cation Exchange Capacity15 cmol kg⁻¹11 cmol kg⁻¹ 15 cmol kg⁻¹
Base Saturation93 %85 % 93 %
Total Exchangeable Bases12.3 cmol kg⁻¹10.3 cmol kg⁻¹ 12.3 cmol kg⁻¹
Calcium Carbonate0 %0.1 % 0 %
Calcium Sulphate0 %0 % 0 %
Exchangeable Sodium1 %2 % 1 %
Electrical Conductivity0.1 dS m-10.1 dS m-1 0.1 dS m-1
Soil data provided by FAO/IIASA/ISRIC/ISSCAS/JRC, 2012. Harmonized World Soil Database (version 1.2). FAO, Rome, Italy and IIASA, Laxenburg, Austria.
Köppen climate classification provided by Kottek, M., J. Grieser, C. Beck, B. Rudolf, and F. Rubel, 2006: World Map of Köppen-Geiger Climate Classification updated. Meteorol. Z., 15, 259-263