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Found 613 dataset(s) matching "Freshwater Ecosystems".
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Here we present the data collected during a mark-recapture study on freshwater mussels in Bruce Creek, Walton County, Florida. These data were used to evaluate the non-lethal impacts of a gill...
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Alterations to stream hydrology, which include changes in stream geomorphology, are primary impacts of anthropogenic disruption. In North Carolina, hydrological alterations lead to environmental...
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This dataset provides real-time kinematic (RTK) GPS elevation measurements, along with horizontal and vertical precision errors, obtained along transects near Louisiana's Coastwide Reference...
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The U.S. Geological Survey (USGS) and the Minnesota Pollution Control Agency (MPCA) conducted a cooperative study to develop linear regression models that quantify relations among 173 hydrologic...
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These data describe how microorganisms facilitate the cycling of reactive nitrogen in alpine ecosystems. Samples of water and sediment were collected from a longitudinal study of Loch Vale...
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This data release links fish survey data from a suite of programs in the Chesapeake Bay watershed to the NHDPlus High Resolution Region 02 networks, hereafter referred to as NHDPlusHR. The data...
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Ecosystems benefit people in many ways, but these contributions do not appear in traditional national or corporate accounts so are often left out of policy- and decision-making. Ecosystem...
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These data from Evaluation and Review of Ecology-Focused Stream Studies to Support Cooperative Monitoring, Fountain Creek Basin, Colorado were used to describe temporal trends in fish communities...
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This dataset provides analysis results for status values representing the period of 2015 through 2017 for six indicators of river and stream condition in the Chesapeake Bay watershed. Status...
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This dataset provides analysis results for recent status of and trends in 44 fish and 99 macroinvertebrate assemblages in the Chesapeake Bay watershed. For both biological datasets a multi-metric...
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Stream segments, aquatic organism captures, stream surveys, and road-stream crossings described by these metadata accompany a 2012 electrofishing study of the distribution and abundance of aquatic...
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Comma-separated values (.csv) file containing data related to mercury in biota collected from Clear Lake California.
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This data release includes tabular data files. The dataset consists of four input data tables (Appendices A1-A4) for a Lake Superior EcoPath with EcoSim (EwE; http://ecopath.org) model...
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This data release contains phytoplankton data and vertical profile measurements of water quality and light in oligotrophic (low nutrient) lakes within the Adirondack Park, New York State. Data...
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A long-term, multi-season, fish egg sampling program is conducted annually on the Detroit, Saint Clair, and Saint Marys rivers to identify where productive fish spawning habitat currently exists...
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These data were compiled to provide necessary inputs to run the models in our paper, Operating Lake Powell Under Uncertainty: Strategies for Sustainable Sand Management in the Colorado River....
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Land development and alterations of the ecosystem in South Florida have decreased freshwater and increased nutrient flows into Florida Bay. As a result, there has been a decrease in the water...
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Land development and alterations of the ecosystem in South Florida have decreased freshwater and increased nutrient flows into Florida Bay. As a result, there has been a decrease in the water...
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This dataset contains nesting and behavioral data of Pacific and Yellow-billed Loons collected in the Fish Creek Watershed of the National Petroleum Reserve-Alaska (NPR-A) in 2016 and 2017. The...
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This dataset contains nest visit records of Spectacled Eiders (Somateria fischeri) near the Kashunuk River and on Kigigak Island on the Yukon-Kuskokwim Delta, Alaska since 1991.