Description: Map shows DIN concentration data for Southeast Coast estuaries in 2000 C.E. Levels of nitrogen range from good to poor, with good being less than 0.1 mg/L DIN concentration and poor being more than 0.5 mg/L DIN concentration. Source: , National Coastal Condition Report II (Washington, DC: Environmental Protection Agency, 2004) 114 Map Credit: Courtesy the private collection of Roy Winkelman |
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