Field Indicators of Hydric Soils in the United States - ITC
Field Indicators of Hydric Soils in the United States - ITC
Field Indicators of Hydric Soils in the United States - ITC
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<strong>Field</strong> <strong>Indicators</strong> <strong>of</strong> <strong>Hydric</strong> <strong>Soils</strong>Appendix BIndicator CorrelationsSource: U.S. Corps <strong>of</strong> Eng<strong>in</strong>eers Wetland Del<strong>in</strong>eation Manual 1987. Technical Report, Y–87–1. EnvironmentalLaboratory, U.S. Army Eng<strong>in</strong>eers Waterways Experiment Station. Vicksburg. MS.<strong>Soils</strong>Regional <strong>Indicators</strong>Non-sandy soils:a. Organic soils (Histosols) A1 Histosolb. Histic Epipedon A2 Histic EpipedonA3 Black Histicc. Sulfidic material A4 Hydrogen Sulfided. Aquic or peraquic moisture regime ——————e. Reduc<strong>in</strong>g soil conditions TF11 Reduced Verticf (1). Gleyed soils (gray color)f (2). <strong>Soils</strong> that have bright mottlesand/or low matrix chromaF2 Loamy Gleyed MatrixF14 Alaska Redox GleyedF15 Alaska Gleyed PoresF3 Depleted MatrixF9 Vernal PoolsF11 Depleted OchricF16 High Pla<strong>in</strong>s DepressionsTF8 Redox Spr<strong>in</strong>g SeepsTF9 Delta OchricTF10 Alluvial Depleted Matrixg. Soil appear<strong>in</strong>g on <strong>the</strong> hydric soils list ——————h. Iron and manganese concretions F12 Iron/Manganese MassesTF3 Alaska ConcretionsNot listed <strong>in</strong> <strong>the</strong> 1987 manualA5 Stratified LayersA6 Organic BodiesA7 5 cm Mucky M<strong>in</strong>eralA8 Muck PresenceA9 1 cm MuckA10 2 cm MuckF1 Loamy Mucky M<strong>in</strong>eralF4 Depleted Below Dark SurfaceF5 Thick Dark SurfaceF6 Redox Dark SurfaceF7 Depleted Dark SurfaceF10 MarlF13 Umbric Surface32 (430, FIHS, Ver. 5.01, March 2003)
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