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Depression Shrub Swamp

Depression shrub swamps are generally isolated, non-alluvial woody wetlands found in topographic depressions on plateau surfaces, plains, basins, or on elevated ancient river terraces (e.g. ancient channel scars) that no longer are subject to overbank flooding. They are mostly found in Middle and West Tennessee and many encircle natural sinkhole or depression ponds. They differ from forested swamps in being dominated by shrubs. Within the natural depressions in which they occur, shrub swamps often form a ring or zone around a central open-water or emergent marsh community. Flanking the outside of the shrub swamp zone is a forested depression swamp community. 


MISSISSIPPI VALLEY LOESS PLAINS

BLUFF HILLS ECOREGION

LOESS PLAIN ECOREGION

SOUTHEASTERN PLAINS

NORTHERN HILLY GULF COASTAL PLAIN ECOREGION
  • Northern Hilly Gulf Coastal Plain Unconsolidated Sand Cliff

INTERIOR PLATEAUS

WESTERN HIGHLAND RIM ECOREGION

PENNYROYAL PLAIN ECOREGION

NASHVILLE BASIN ECOREGION

CUMBERLAND ENCLAVE ECOREGION

  • Cumberland Enclave Limestone Cliff
  • Cumberland Enclave Shaley-Limestone Cliff
EASTERN HIGHLAND RIM ECOREGION

SOUTHWESTERN APPALACHIANS

CUMBERLAND PLATEAU ESCARPMENT ECOREGION

CUMBERLAND PLATEAU ECOREGION

CRAB ORCHARD MOUNTAINS

SEQUATCHIE VALLEY ECOREGION

CENTRAL APPALACHIANS

CUMBERLAND MOUNTAINS

CUMBERLAND MOUNTAIN THRUSTBLOCK ECOREGION

RIDGE AND VALLEY

SOUTHERN CALCAREOUS VALLEYS ECOREGION

SHALE VALLEYS ECOREGION

DISSECTED RIDGES ECOREGION

SANDSTONE RIDGES ECOREGION

BLUE RIDGE MOUNTAINS 

SEDIMENTARY MOUNTAINS ECOREGION

METASEDIMENTARY MOUNTAINS ECOREGION

IGNEOUS MOUNTAINS ECOREGION

AMPHIBOLITE MOUNTAINS ECOREGION

DOLOMITE COVES ECOREGION