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HomeMy WebLinkAboutWPO201900007 Calculations Mitigation Plan 2019-05-08 Score Version of Table 1 to Equate Seeded Areas to Mixed Planted Areas Grass Shrub Tree Low= 1 Stablize Bank (1) 1 3 3 Medium=2 Filter Sediment (2) (7) 3 1 1 High=3 Filter Nutrients (3) sediment bound 3 1 1 soluable 2 1 2 Aquatic Habitat (10) 1 2 3 Wildlife Habitat (9) range/pasture 3 2 1 forest wildlife 1 2 3 Floodplain Protection (5) 1 2 3 Visual Diversity(13) 1 2 3 Economic Products (13) 2 1 2 Ground Water Recharge (4) 1 2 3 Thermal Protection (6) 1 1 3 Average 1.7 1.7 2.3 71% 13 Benefits of forest in stream buffer(from Riparian Buffer Manual) (1) protection from stream bank erosion (2) protection of associated wetlands (3) increased removal of nitrogen (4) Ground water recharge * (5) reduced downstream flooding (6)thermal protection ** (7) enhanced potential for stream restoration (8) reduced watershed imperviousness (9)food and habitat for wildlife (10)food and habitat for fish and amphibians (11) provision of corridors for habitat conservation (12)foundation for present or future greenways (13) increased urban/suburban property values Portion of table from How to Design a Riparian Buffer in Agricultural Land. Micheal G. Dosskey, Richard C.Shultz,Thomas M. Isenhart. Iowa State University Foresty Publications. 1-1997. * Understanding the Science Behind Riparian Forest Buffers: Effects on Water Quality.Julia C. Klapproth,James E.Johnson. VCE Publications/420/420-151. https://pubs.ext.vt.edu/420/420-151/420-151.html ** Shading of waterway