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• Acer negundo, occurs along the short reach of Wilson Creek within the <br />proposed affected area. Elsewhere along these two streams, riparian and <br />wetland habitat is poorly developed and beaver activity is limited by <br />agricultural activities. Wilson Creek was heavily impacted within the <br />project area by siltation during the spring 1984 runoff. The channel of <br />Good Spring Creek is better defined than that of Wilson Creek and was less <br />impacted by spring runoff. <br />Waterfowl species known to occur within the study area vicinity are listed <br />in Appendix A. Species observed during field surveys included the mallard <br />(Anas platyrhynchos), green-winged teal (A. crecca), northern pintail (A. <br />acuta), cinnamon teal (A. cyanoptera), northern shoveler (A. clypeata), <br />American wigeon (A. americans), ring-necked duck (Athya collaris), lesser <br />scaup (A. affinis), and American coot (Fulica atra). Of these species, the <br />mallard was by far the most commonly encountered. <br />Evidence of waterfowl production was not recorded in the West Fork of <br />• Good Spring Creek during 1984, although suitable cover and brood habitat <br />occurs within the palustrine emergent wetland in Section 29. Survey <br />efforts along the mainstem of Good Spring Creek yielded only one <br />observation of a mallard brood. Surveys of waterfowl habitat in the <br />vicinity of the study area (CDM 1984b) indicated that mallards, <br />green-winged teal, cinnamon teal, American widgeon, and the ring-necked <br />duck produced broods. Most of these broods were seen in palustrine rather <br />than riverine habitats, where emergent vegetation was available as a source <br />of food and cover. Brood production by mallard, cinnamon teal, and <br />green-winged teal has also been recorded in the vicinity of the Danforth <br />Hills by Northern Coal Company (1982) and P8M Coal Mining Company (1981). <br />The limited availability of palustrine habitat and emergent vegetation <br />within the proposed affected area, in turn, limits the value of the area <br />for waterfowl production. Grazing (cattle and sheep) occurs in all meadow <br />areas associated with stream habitats throughout the proposed affected area <br />and further limits the potential for waterfowl production as a result of <br />• physical disturbance and vegetation removal. Where quiet water and <br />emergent vegetation occur, mallards, blue-winged teal, green-winged teal, <br />4-20 <br />