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Myakka soil series

Soil profile: A representative soil profile of the Myakka series: the State Soil of Florida. (Soil Survey of Okeechobee County, Florida; by Douglas Lewis, Ken Liudahl, Chris Noble, and Lewis Carter, Natural Resources Conservation Service)

 

The Myakka series consists of very deep, very poorly or poorly drained, moderately rapid or moderately permeable soils that occur primarily in mesic flatwoods of peninsular Florida. They formed in sandy marine deposits. Near the type location, the average annual temperature is about 72 degrees F., and the average annual precipitation is about 55 inches. Slopes range from 0 to 8 percent.

 

TAXONOMIC CLASS: Sandy, siliceous, hyperthermic Aeric Alaquods

 

Solum thickness is more than 30 inches. Some pedons have a layer of muck less than 3 inches thick on the surface. Thickness of the A and E horizons ranges from 20 to 30 inches. Reaction ranges from extremely acid to slightly acid throughout. In tidal, limestone substratum, and shelly substratum phases, the reaction ranges up to moderately alkaline.

 

USE AND VEGETATION: Most areas of Myakka soils are used for commercial forest production or native range. Large areas with adequate water control measures are used for citrus, improved pasture, and truck crops. Native vegetation includes longleaf and slash pine with an undergrowth of saw palmetto, running oak, inkberry, wax myrtle, huckleberry, chalky bluestem, pineland threeawn, and scattered fetterbush.

 

DISTRIBUTION AND EXTENT: Peninsular Florida, primarily in MLRA155 (Southern Florida Flatwoods), and to a less extent in MLRA 154 (South-Central Florida Ridge), MLRA156A (Florida Everglades and Associated Areas), and MLRA156B (Southern Florida Lowlands). The series is of large extent (about 1,400,072 acres).

 

Myakka soils were formerly classified in the Leon series. Historical mapping of the Myakka series includes the following landforms and geomorphic positions: high tidal areas, flood plains, depressions, and gently sloping to sloping barrier islands. Myakka map units on these landforms should be evaluated and validated during MLRA update activities.

 

For more information about this state soil, visit:

www.soils4teachers.org/files/s4t/k12outreach/fl-state-soi...

 

For additional information about the survey area, visit:

www.nrcs.usda.gov/Internet/FSE_MANUSCRIPTS/florida/FL093/...

 

For a detailed soil description, visit:

soilseries.sc.egov.usda.gov/OSD_Docs/M/MYAKKA.html

 

For acreage and geographic distribution, visit:

casoilresource.lawr.ucdavis.edu/see/#myakka

 

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Uploaded on August 16, 2011
Taken in January 2000