Determine nutrient conditions, cycling, and biological effects in two riverine parks, St.Croix National Scenic River (SACN) and Upper Mississippi River National Recreation Area (MNRA): Data
Hydraulic connection between channels and floodplains (“connectivity”) is a fundamental determinant of ecosystem function in large floodplain rivers.  Factors controlling material processing in these rivers depend not only on the degree of connectivity but also on the sediment conditions, nutrient loads and source. …