Forestay soil series
A representative soil profile of Forestay soils, which formed in material weathered from shale. (Soil Survey of Channel Islands National Park, California; by Alan Wasner, United States Department of Agriculture, Natural Resources Conservation Service)
The Forestay series consists of very deep, well drained soils that formed in shale. Forestay soils are on hills that formed on uplifted marine deposits on islands. Slopes range from 2 to 60 percent. The mean annual precipitation is about 18 inches (457 millimeters) and the mean annual temperature is about 57 degrees F. (14 degrees C.)
TAXONOMIC CLASS: Clayey-skeletal, smectitic, mesic Ultic Palexerolls
Depth to bedrock is greater than 60 inches (152 centimeters).
Depth to abrupt clay increase is 6 to 28 inches (15 to 70 centimeters). High variability of depth to clay is due to disturbance and erosion caused by animals, mostly wild pigs.
Base saturation by sum of bases ranges from 38 to 73 percent.
Depth to lithologic discontinuity ranges from 6 to 22 inches, but does not occur in all pedons.
Mollic epipedon thickness is always more than 15 inches (38 centimeters) often extending into the argillic horizon.
The particle size control section averages 40 to 60 percent clay and 35 to 60 percent rock fragments. Organic matter ranges from 1 to 4 percent to a depth of at least 20 inches (50 centimeters). Reaction is extremely acid to neutral throughout the profile.
USE AND VEGETATION: Wildlife habitat, recreation and building site development. Vegetation is coast live oak, scrub oak and annual grasses.
DISTRIBUTION AND EXTENT: Santa Barbara County, California on Santa Cruz Island. The soil is not extensive. MLRA 20.
For additional information about the survey area, visit:
soilseries.sc.egov.usda.gov/OSD_Docs/F/FORESTAY.html
For a detailed soil description, visit:
soilseries.sc.egov.usda.gov/OSD_Docs/F/FORESTAY.html
For acreage and geographic distribution, visit:
casoilresource.lawr.ucdavis.edu/see/#forestay
Forestay soil series
A representative soil profile of Forestay soils, which formed in material weathered from shale. (Soil Survey of Channel Islands National Park, California; by Alan Wasner, United States Department of Agriculture, Natural Resources Conservation Service)
The Forestay series consists of very deep, well drained soils that formed in shale. Forestay soils are on hills that formed on uplifted marine deposits on islands. Slopes range from 2 to 60 percent. The mean annual precipitation is about 18 inches (457 millimeters) and the mean annual temperature is about 57 degrees F. (14 degrees C.)
TAXONOMIC CLASS: Clayey-skeletal, smectitic, mesic Ultic Palexerolls
Depth to bedrock is greater than 60 inches (152 centimeters).
Depth to abrupt clay increase is 6 to 28 inches (15 to 70 centimeters). High variability of depth to clay is due to disturbance and erosion caused by animals, mostly wild pigs.
Base saturation by sum of bases ranges from 38 to 73 percent.
Depth to lithologic discontinuity ranges from 6 to 22 inches, but does not occur in all pedons.
Mollic epipedon thickness is always more than 15 inches (38 centimeters) often extending into the argillic horizon.
The particle size control section averages 40 to 60 percent clay and 35 to 60 percent rock fragments. Organic matter ranges from 1 to 4 percent to a depth of at least 20 inches (50 centimeters). Reaction is extremely acid to neutral throughout the profile.
USE AND VEGETATION: Wildlife habitat, recreation and building site development. Vegetation is coast live oak, scrub oak and annual grasses.
DISTRIBUTION AND EXTENT: Santa Barbara County, California on Santa Cruz Island. The soil is not extensive. MLRA 20.
For additional information about the survey area, visit:
soilseries.sc.egov.usda.gov/OSD_Docs/F/FORESTAY.html
For a detailed soil description, visit:
soilseries.sc.egov.usda.gov/OSD_Docs/F/FORESTAY.html
For acreage and geographic distribution, visit:
casoilresource.lawr.ucdavis.edu/see/#forestay