LOCATION LOKOSEE FL

Established Series
Rev. GRB
10/2018

LOKOSEE SERIES

The Lokosee series consists of very deep, poorly drained, moderately permeable soils on low hammocks bordering drainage ways and on broad flats of central and southern peninsular Florida. They formed in thick deposits of sandy and loamy sediments of marine origin. Near the type location, the mean annual temperature is about 73 degrees F., and the mean annual precipitation is about 53 inches. Slopes range from 0 to 1 percent.

TAXONOMIC CLASS: Loamy, siliceous, subactive, hyperthermic Grossarenic Endoaqualfs

TYPICAL PEDON: Lokosee fine sand - rangeland. (Colors are for moist conditions.)

A--0 to 4 inches; dark gray (10YR 4/1) fine sand; weak fine granular structure; very friable; common fine and medium roots; many uncoated white (10YR 8/1) sand grains; very strongly acid; clear smooth boundary. (3 to 8 inches thick)

E1--4 to 7 inches; gray (10YR 6/1) fine sand; single grained; loose; few fine roots; very strongly acid; clear smooth boundary.

E2--7 to 27 inches; white (10YR 8/1) fine sand; single grained; loose; few medium very dark gray (10YR 3/1) stains in root channels; lower 10 inches of the horizon have common coarse distinct brown (7.5YR 4/4), yellowish brown (10YR 5/4), and pale brown (10YR 6/3) masses of organic matter accumulation; very strongly acid; gradual smooth boundary. (Combined thickness of the E horizons range from 9 to 40 inches)

Bw1--27 to 30 inches; very pale brown (10YR 7/4) fine sand; single grained; loose; common medium distinct brownish yellow (10YR 6/6) masses of organic matter accumulation; strongly acid; gradual smooth boundary.

Bw2--30 to 35 inches; yellow (10YR 7/6) fine sand; single grained; loose; common medium distinct brownish yellow (10YR 6/6) masses of organic matter accumulation; strongly acid; gradual wavy boundary. (Combined thickness of the Bw horizons range from 7 to 35 inches)

Bh--35 to 43 inches; very dark grayish brown (10YR 3/2) and brown (10YR 4/3) fine sand; single grained; loose; common weakly cemented very dark gray (5YR 3/1) spodic fragments 1 to 2 inches in diameter less than 25 percent of the horizon; common medium distinct yellowish red (5YR 4/6) and dark yellowish brown (10YR 4/4) masses of organic matter depletions; moderately acid; gradual wavy boundary. (4 to 20 inches thick)

E'--43 to 49 inches; light gray (10YR 7/1) fine sand; single grained; loose; common medium faint gray (10YR 5/1) and grayish brown (10YR 5/2) areas of depletions; slightly acid; abrupt wavy boundary. (12 to 21 inches thick)

Btg--49 to 57 inches; gray (5Y 5/1) sandy clay loam; moderate coarse subangular blocky structure; firm; common root channels stained yellowish brown (10YR 5/6); sand grains bridged with clay; few fine distinct dark yellowish brown (10YR 4/4) masses of iron accumulation; neutral.

TYPE LOCATION: Osceola County, Florida. Approximately 2.0 miles southeast of the point where the central and southern Florida Flood Control Canal, C-38, enters Lake Hatchineha. NE 1/4, NE 1/4, SE 1/4, NE 1/4, Sec. 28; T. 28 S., R. 30 E.

RANGE IN CHARACTERISTICS: Solum thickness ranges from 45 to more than 80 inches. The Bh horizon is either too thin or too discontinuous for this soil to be classified as a Spodosol. Combined thickness of the horizons above the Btg horizon ranges from 40 to 80 inches but is commonly 40 to 60 inches. Reaction ranges from very strongly acid to neutral in the A horizon, from moderately acid to moderately alkaline in the Bw horizons, and from slightly acid to moderately alkaline in the Btg horizon.

The A or Ap horizon has hue of 10YR, value of 2 to 4, and chroma of 1 to 3; or it is neutral with value 2 or 3. Where the value is 3 or less, the A horizon is less than 6 inches thick. Texture is sand or fine sand.

The E and E' horizons have hue of 10YR, value of 5 to 8, and chroma of 1 to 3. Texture is sand or fine sand. Redoximorphic features in shades of gray and brown range from none to common.

The Bw horizon has hue of 5YR to 10YR, value of 4 to 8, chroma of 4 to 8. Masses of iron accumulations in shades of brown, yellow, and red range from few to many. Texture is sand or fine sand.

The Bh horizon has hue of 7.5YR or 10YR, value of 3 or 4, and chroma of 2 to 4. Redoximorphic features in shades of black, brown, yellow, and gray range from few to common. Bodies of weakly cemented fine sand in the above mentioned shades are present in some pedons. Texture is sand or fine sand.

The Btg horizon has hue 10YR to 5GY, value of 4 to 6, and chroma of 1 or 2. Redoximorphic features in shades of gray, brown, yellow, and green range from none to common. Texture is sandy loam, fine sandy loam, or sandy clay loam. In some pedons, this horizon has few fine to coarse streaks and pockets of coarser material.

The Cg horizon, where present, has hue 10YR to 5Y, value 4 to 8, and chroma 1 or 2. Texture is sand, fine sand, or loamy fine sand.

COMPETING SERIES: These are no known series in the same family.

GEOGRAPHIC SETTING: Lokosee soils are on areas of long narrow hammocks bordering flood plains, streams, lakes, drainage ways, and depressions, or on broad flats interspersed by poorly to well defined drainage ways and depressions. Slopes range from 0 to 1 percent. They formed in sandy and loamy marine sediments. The climate is humid subtropical. The average annual temperature ranges from 72 to 74 degrees F., and the average annual precipitation ranges from about 50 to 55 inches.

GEOGRAPHICALLY ASSOCIATED SOILS: These include the EauGallie, Holopaw, Malabar, Myakka, Oldsmar, Parkwood, Pineda, Riviera and Smyrna series. The very poorly drained or poorly drained Eaugallie, Myakka, Oldsmar, and Smyrna soils are on similar or lower positions, do not have Bw horizons, and are Spodosols. In addition, EauGallie, Myakka, and Smyrna soils are less than 30 inches in depth to the spodic horizon and Myakka and Smyrna soils do not have argillic horizons. The very poorly or poorly drained Holopaw and Malabar soils are on similar to lower positions and have higher activity classes. In addition, Holopaw soils do not have Bw horizons and Malabar soils do not have Bh horizons. Parkwood soils are on similar positions, have a mollic epipedon, do not have a spodic horizon, and have secondary carbonates in the lower subsoil. Pineda and Riviera soils are on similar positions, are arenic, and have tongues of overlying horizons extending into the Btg horizon.

DRAINAGE AND PERMEABILITY: Poorly drained; rapid permeability in the A, E, Bs and E' horizons and moderate to moderately rapid in the Bh and Btg horizons.

USE AND VEGETATION: Lokosee soils are used mainly for rangeland. Some areas have been cleared and planted with improved pasture grasses. Native vegetation consists of slash pine, waxmyrtle, cabbage palm, sawpalmetto, pineland threeawn wiregrass, chalky bluestem, and carpet grass.

DISTRIBUTION AND EXTENT: Central and southern Florida. The series is of small known extent.

MLRA SOIL SURVEY REGIONAL OFFICE (MO) RESPONSIBLE: Auburn, Alabama.

SERIES ESTABLISHED: Osceola County, Florida; 1976.

REMARKS: Diagnostic horizons and features recognized in this pedon:

Ochric epipedon - 0 to 4 inches (A horizon).

Argillic horizon - 49 to 57 inches (Btg horizon).

Grossarenic feature - 0 to 49 inches (A, E1, E2, Bw1, Bw2, and Bh horizons).

Aquic feature - The water table is within a depth of 10 inches for 2 to 4 months and from 10 to 40 inches for more than 6 months. During extended dry seasons, it recedes to depths greater than 40 inches.

National Cooperative Soil Survey
U.S.A.