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DCPZP-2015-00798
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DCPZP-2015-00798
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DCPZP-2015-00798
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t. <br /> Wetland Delineation Report K& L Farm LLC <br /> 3) U.S.G.S. 7.5 minute topographical map,Edgerton Quadrangle. <br /> 4) Natural Resource Conservation Service, hydric soils lists for Rock&Dane Counties. <br /> The wetland determinations and the delineations followed the procedures for the Routine <br /> Method set forth in The Corps of Engineers Wetlands Delineation Manual(US Army Corps <br /> of Engineers 1987) and Regional Supplement to the Corps of Engineers Wetland <br /> Delineation Manual: Northcentral&Northeast Region.They also followed the methods set <br /> forth in the Basic Guide to Wisconsin Wetlands and their Boundaries (WI Dept. of <br /> Administration 1995). <br /> Method of Data Collection <br /> Vegetation,hydrology and soil information were gathered in sample plots and recorded on <br /> USACE data sheets. At each plot,a plot center was established and the presence or absence <br /> of normal circumstances or disturbances was noted. Next,herbaceous vegetation was <br /> sampled within a circular 5-foot radius plot.After that,vines, shrubs and trees were sampled <br /> within a circular 30-foot radius plot,centered on the herbaceous plot. Next,an 18 inch-deep <br /> soil pit was dug at the plot center.The presence or absence of hydrology indictors in the soil <br /> pit and within the surrounding 30-foot circular plot was noted. Finally, the soil profile in the <br /> pit was examined and described.A determination was then made as to whether the site was <br /> wetland or upland. <br /> For plots located in agricultural fields, air photos were inspected for"wetland signatures",or <br /> evidence of saturated soil, standing water or crop drown-out or stress.Air photos for 7 <br /> normal precipitation years between 1994 and 2010 (1994, 1995, 1997,2002,2003,2004& <br /> 2005) were inspected (normal precipitation years were determined using methods from <br /> "Hydrology Tools for Wetland Determination",NRCS 1997). If a site possessed wetland <br /> signatures for at least 4 of the 7 years,it was judged to have wetland hydrology. However,if <br /> field evidence, e.g. presence of wetland obligate plants or stunted crops, strongly suggested <br /> an area was wetland,it was determined to be so in spite of lacking wetland signatures 4 of 7 <br /> years on crop slides. <br /> Location of Transects <br /> Sample plots were located inside of areas that appeared to be wetlands. If the sample plot <br /> data suggested that the location was inside of a wetland,a second plot was placed in an <br /> upslope location with a different plant community. If data collected at this plot suggested <br /> that the location was inside of the upland,no further plots were sampled. Otherwise, the <br /> process was repeated.A total of 17 plots were sampled, 8 inside of wetlands and 9 on the <br /> uplands (Figure 2). Sample plots were marked with red wire-stake flags. <br /> Procedure for Locating Wetland Boundaries <br /> Along the ditches, the wetland boundaries were located simply by following the tops of the <br /> ditch banks. The ground surfaces above the ditch banks occupied the same elevations as the <br /> nearby crop fields,which air photo analysis indicated were drained,suggesting the areas just <br /> above the ditch banks were drained as well. <br /> In the crop fields,the wetland boundaries were located by observing changes in elevation, <br /> and by following the outer limits of wetland signatures on crop slides. In some cases <br /> 2 Taylor Conservation LLC <br />
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