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` � <br /> 1Vlodifier`�C" <br /> Seasonallv Flooded(Seasonal) <br /> ,. . . Surface water is preseni for extended per.iods especially early in the�rowing season but is absent <br /> by the end of the season in most years. When surface water is absent, the water table is often <br /> near the surface. Santos ancl Gauster (1993, pg 3l) add that the water Yable, after flooding <br /> cea5es, is very variable, extending fr.om saturated to a water table welt below the 5urface. Tliis <br /> accurately describes the situation that frequently occurs within reed.canary orass wetlands where <br /> there.is saturation to the surface ,or even sever.al inches of inundation after snow rnelt. In most <br /> years, 6y the end of May; surface water is no longer evident in many of these basins. During <br /> June, the water table continues to ,recede until by August, the water table rnay be two or more <br /> feet below .the surface. 1Vlany of these areas are used for livestock pasturing and for harvesti.ng <br /> meadow hay. Weflands with a "C" modifier that consist predominantly of reed canary .grass <br /> should be categorized a5 either Type 1 or Type 2 depending on the Iength of time that water is <br /> present:'This modifier is the most diff'icult to specifically assign to a Type 1, Type 2 or Type 3 <br /> cate�or.y as it could apply'to any of the Chree. <br /> Modifier"D" <br /> : <br /> Seasonal We11-Dra.ined (No comparable Cowardin�cafegory� ' <br /> . Santos and Gauster (1993; pg 37) describe this modifier as applying where surface water is <br /> present for extended periods especially early in the gr.owing season. The water �able,. after - <br /> flooding ceases falls well below the ground surface. This modifier would appear to apply to <br /> floodplains and bottomland har�wood forests (Type 1Z.) as described above. Modi�ers "C" and <br /> ``D2' seem to :overlap to a certairi extent and could also agply to reed canary grass wetlands as <br /> well: <br /> � Modifier"E" � � <br /> � Seasonal Saturated(No comnaral�le Cocuardin category� <br /> Surface water is present for extended peri:ods especialTy early.in the growing season, and remains <br /> saturated near the surface for most of the groc�jing season (Santos and Gauster 1993,pg 31). Ttus � <br /> modifier would appeax:to apply to fens, sed�e and rush meadows, some Type 6 shrub swamps, <br /> Type 7 Hardwood Swamps and Type 8 bogs. Some reed canary grass wetlands might faIl into <br /> this categorybut most seem to be dried out b,y early to mid-summer: <br /> Modifier"F"; <br /> Semipermanentl��Floode� (Semipermanenf) <br /> Su�ace water persists throughout the gro�cing season in most years. When sucface water is <br /> absent, the water table is usually at or �ary near 'rhe land surface (Cow:ardin-et al 1979, pg 22,; <br /> Santos and Gauster 1993, pg 31). This modifier applies to Type 3 cattail marshes and may also <br /> apply to some hardwood swamps such as black ash, eonifer bogs and Type 6 alder shrub . <br /> swamps. <br /> J <br />