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Effects of flow alteration on ecological health of streams across the Atlantic Highlands Ecoregion Problem: The Clean Water Act (PL 92-500) requires that the health of the Nation’s rivers and streams be assessed on a regular basis, and in the Northeast such assessments often use information from aquatic biological communities that live in the stream. Biomonitoring programs implemented by individual states evaluate biological data to assess stream health on the premise that certain sensitive species that are native to the region cannot survive when water quality is poor. The aquatic community data are typically condensed into a set of biological condition metrics that are scaled numerically to convey the relative degree of stream impairment (e.g., excellent, good, fair, poor). However, biological condition... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Atlantic Highlands Ecoregion,NY,VT,NH,ME,MA,CT,NJ,PA, Ecological Assessment of Human and Natural Impacts, Ecological Assessment of Human and Natural Impacts, Ecological Assessment of Human and Natural Impacts, Ecosystem Health, All tags... Ecosystem Health, National Water Quality Assessment Program, USGS New York Water Science Center, WSC, Water Quality, Water Quality, Water quality, biomonitoring, stream-flow, temperature, Fewer tags Mercury Cycling and Bioaccumulation in the Upper Hudson River Basin--Fishing Brook BackgroundDetailed investigations of mercury cycling and bioaccumulation have been done in the Upper Hudson River basin (upstream of the Hudson River near Newcomb, in New York's Adirondack Mountains, with a focus on the Fishing Brook sub-basin, part of the western headwaters of the Hudson River. This study is part of a National mercury study that includes a concurrent study of McTier Creek, a headwater sub-basin of the Edisto River, located in South Carolina's Coastal Plain. These two study areas provide contrasting and complementary settings for the study of mercury cycling and bioaccumulation in headwater streams with close connectivity to out-of-channel wetlands. Atmospheric deposition is the dominant source... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Adirondack Mountains, Hudson River, South Carolina, Completed, Ecological Assessment of Human and Natural Impacts, Ecological Assessment of Human and Natural Impacts, Ecological Assessment of Human and Natural Impacts, All tags... Ecosystem Health, Ecosystem Health, Focused Assessments, Focused Assessments, Focused Assessments, National Water Quality Assessment Program, New York, USGS New York Water Science Center, WSC, Water Quality, Water Quality, Wetlands, Wetlands, methylmercury, Fewer tags