America's Watershed Initiative Report Card for the Mississippi River

Bill Dennison, Heath Kelsey, Bill Nuttle, Jane Thomas, Brianne Walsh, Caroline Donovan ·
4 December 2015

This companion document to the report card contains information about data sources for all indicators, summary of analysis methods, and scoring details for each of the six America’s Watershed Initiative goals, and for two watershed wide indicators. Additional information regarding the goals is included to provide greater detail and discussion than is possible in the report card document.


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Willamette River Report Card 2015 (Page 1)

Willamette River Report Card 2015

Simon Costanzo, Heath Kelsey and Tracey Saxby ·
1 November 2015

n 2014, the Meyer Memorial Trust brought together more than 20 university, agency, and technical experts to help create the first Willamette River report card. With support from the University of Maryland Center for Environmental Science, the team of experts identified key indicators to capture a current picture of river health against which to measure future changes. Overall, the Willamette River scored a B-.


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Report Card Review (Page 1)

Report Card Review

Spitzer S, Kelsey H, Dennison WC, Costanzo S, Thieme M, and Freeman S ·
16 April 2015

Report cards are useful assessment tools and have been widely used to inspire and endorse changes. They have paved the way to new legislation, improved longitudinal data collection systems, established new professional partnerships, and inspired reforms on community-wide and national scales. With the abundance of report cards available, it is beneficial to compare reporting styles and critique data collection methods and dissemination strategies across the board.


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Nitrogen source tracing in the Choptank River Watershed (Page 1)

Nitrogen source tracing in the Choptank River Watershed

Simon Costanzo ·
30 May 2014

This project analyzed existing aquatic sediments, plants, and animals collected throughout the watershed to pinpoint key sources of nitrogen. As submerged aquatic vegetation has disappeared in regions heavily impacted by land-use activities, macroalgae and oysters were deployed and incubated in situ to help trace the origin of nitrogen inputs by identifying, delineating and mapping the relative influence of the varied urban and agricultural land uses in the watershed.


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