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Hugh Henrickson <br />Janua�y'?4, 1996 <br />Page - .'. <br />• Facultati�e Wetland (FACW) - plants Giat occur in wetlands 67 to 99 percent of <br />the time, under natural conditions. <br />• Facuttativr; (FAC) - plants that occur in weUands 34 to 66 percent of the time, <br />under na!ural conditions. <br />• Facultative Upland (FACU) - plants that occur in wedands 1 to 33 percent of the <br />time, under natural conditioas. <br />• Obligate Upland (UPL) - plants that occur in wetlands less than 1 pereent of the <br />time, under natura] conditions. <br />More than 50 percent of the dominant species within a sample area must be rated <br />obligate we[land, facultative wetland andlor facultative in order for the area to meet <br />the hydrophytic vege[ation criteria. <br />2. Hydric (wetland) soils are def:ned as those soils which are saturated, flooded or <br />ponded long enough during the growi�g season to devclop anaerobic conditions that <br />favor the growth and regeneration of hydrophytic ve,getation. Hydric indicators <br />include lovr soi] chroma, motdes, gleying and high organic content. These indicators <br />are defined as: <br />• Low Soil Chroma - Chtoma is ihe relative inYensity of hue (e.g. YR) as related to <br />the grayness of a soil. Chroma is measured on a scale from G to 8; a low chroma <br />is 2 or less. (I{ollmorgen 1975) <br />• Niottles - Spots or stained areas of differently colored soil that is interspersed in <br />the matrix color of a soil layer. <br />• Gleying - Neuual gray, bluish, or greenish colors throughout a soil matrix, or <br />occurring as mottles within a soil layer. <br />• High Organic Content - More than 20 percent organic material within the upper 32 <br />inches of [he soil profile. <br />A soil widi a chroma of 1 with or without mottles, or chroma of 2 with mottles, or <br />with a high organic content, meeu the hydric soil cri[erion. <br />3. Areas, possessing wetland hydrology are inundated either permanently or <br />periodically, or the soil is saturated to within one foot of the surface for a week or <br />more during the growing season. <br />Vegetation on the si[e was examined and used as the primary indicator for deterntining <br />wedand potential. Based on vegetative indicators, soils were dien randomly sampled <br />with a hand-held suil auger and examined for hydric indicztors. The site was also <br />examined for inditators of wetland hydrology, including pondino, soil saturation, <br />water-stained leaves, and cracking oP the soil surface. In areas where no positive <br />HIIEN\HGNRCKSN.DOC <br />