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Comprehensive Plan Conservation Element <br />- Soils of the Sloughs, Hammocks and Drainage -ways <br />RIVIERA-PINEDA-WABASSO: Nearly level, poorly drained soils; some have a loamy subsoil at a <br />depth of 20 to 40 inches, and some have a dark sandy subsoil underlain by loamy material at a depth <br />of less than 40 inches. <br />WINDER -RIVIERA -MANATEE: Nearly level, poorly drained and very poorly drained soils that <br />have a loamy subsoil at a depth of 20 inches or at a depth of 20 to 40 inches; some are loamy <br />throughout and have a dark surface layer. <br />BOCA-WABASSO-RIVIERA: Nearly level, poorly drained soils; some have a loamy subsoil <br />underlain by hard limestone at a depth of 40 inches, some have a dark sandy subsoil underlain by <br />loamy material at a depth of less than 40 inches, and some have a loamy subsoil at a depth of 20 to <br />40 inches. <br />MYAKKA-HOLOPAW-POMPANO: Nearly level, poorly drained soils that are sandy to a depth of <br />more than 40 inches; some have a dark sandy subsoil at a depth of 20 to 30 inches, and some have a <br />loamy subsoil at a depth of more than 40 inches. <br />Soils of the Freshwater Swamps and Marshes <br />TERRA-CEIA-GATOR-CANOVA: Nearly level, very poorly drained soils; some are organic <br />throughout, some have a moderately thick organic layer underlain by a sandy clay loam subsoil, and <br />some have a thin organic surface layer underlain by a loamy subsoil at a depth of 20 to 40 inches. <br />FLORIDAN-DELRAY-HOLOPAW: Nearly level, poorly drained to very poorly drained soils; some <br />have a loamy subsoil at a depth of 20 to 40 inches, some have a loamy subsoil at a depth of more <br />than 40 inches, and some have a dark surface layer that is 10 inches or more thick. <br />Source: U.S. Department of Agriculture - Soil Conservation Service; Soil Survey of Indian <br />River County, Florida (1987). <br />Soil Erosion <br />Erosion is a natural process whereby the effects of water and/or wind displace and transport soil <br />particles. When vegetative cover is removed for urban land development and agricultural operations, <br />soil erosion is exacerbated. Sedimentation is the process where displaced soils are deposited in an <br />undesirable location, such as a receiving body of water. The effects of soil erosion and <br />sedimentation on the Indian River Lagoon (IRL) system are discussed in detail in the surface water <br />quality section of this element. <br />Community Development Department Indian River County 10 <br />