Agenda Packets - 1983/11/28 - Laserfiche WebLink

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hlayur and City Cuunell Page Two Nu'• abcr 23, 1983 1 canarygrass. These changes in cover type boundary and composition suggest that the wetlands on the property are naturally succeeding to communities characteristic of drier conditions." 6. "The net effect of Phase I construction will be a slight decrease in the area of upland forest and upland grass/ shrub and a slight increase in area of wetland vegetation. Wetland vegetation will be more diverse containing portions of inland fresh marsh ('Type II), inland shallow fresh marsh (Type II), inland deep fresh marsh (Type IV) and wooded swamp (Type III). On September 26, 1983, a report was submitted by Braun Environmental Laboratories at the request of the City. The following quotations are excerpted from that report: 1. "Our evaluation of the site showed the dominant soils to be the Lino loamy find sand and Markey muck with no evidence of the Isanti and Seelyeville muck." 2. "Our results indicate that there are inaccuracies in the Ramsey County Soil Survey and... that the muck type soil is predominantly Markey much rather than Seelyeville." J. "'The vegetation surrounding 1-22 is inturding upon it as the result of natural succession." A. "Based on our evaluation, we feel that there is about 31 acres of wetland in the I-23 classification. ...we would consider the 7 acres as being marginal wetland. We consider these areasmarginal because of the present of transitional species and upland species not normally found in wetland." 5. "Without human distrubance or development, wetland number 1-22 will succumb to natural succession within approximately 50 years. Encroachment by fast-growing, quickly spreading pioneer species has already begun, and the size and land- locked location of the area do not favor its longevity as a wet meadow." 6. "Phase I construction will have no discernable effects on the wetland identified in the area previously identified as I-23. The completion of Phase I will result in a slight increase in the amount of Type III, IV and V wetlands as a result of the ponded area." 7. "There are less restrictive souls present on the site than described in the Ramsey County Sil Conservation report. The soils on the site are similar to those being built on in the metro area. There is less wetland present on the site than described in either previous report. Phase I develop- ment will des' - 1.1 acres of Type II wetland (I-22)."