Overivew Consistent with the Iowa Nutrient Reduction Strategy (INRS), Winneshiek sought to reduce phosphorus and nitrogen pollution from nonpoint sources. To achieve this goal, the County was interested in gaining information about land use and conservation practices in the area.Winneshiek County requested research on the following four topics: the presence, dimensions/acreage, and composition of existing vegetation types along stream side buffers in Winneshsiek County; the locations of structur...