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Nitrogen and phosphorus are nutrients that are common causes of eutrophication and are often indicators of upstream land use practices and ecological function. Researchers at the University of New Hampshire and the Plum Island LTER have been monitoring concentrations of N and P at the lowermost dams on the Parker and Ipswich Rivers since 1993 providing a long-term data set on these parameters.
Availability: PI Frequency: Continuous (automatic sampling)
Response Variable(s): Concentrations of biologically available N and P compounds