Filters: Tags: plankton (X) > Types: OGC WMS Layer (X)

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Benthos & Plankton in Wisconsin's Lake Michigan AOCs Description of Work Benthos (benthic invertebrate) and plankton (phytoplankton/zooplankton) communities in Wisconsin's four Lake Michigan Areas of Concern (AOCs; Menominee River, Lower Green Bay and Fox River, Sheboygan River, and Milwaukee Estuary) and six non-AOCs will be quantified. The inclusion of non-AOC sites will allow comparison of AOC sites to relatively-unimpacted or less-impacted control sites with natural physical and chemical characteristics that are as close as possible to that of the AOCs. The community data within and between the AOCs and non-AOCs will be analyzed. This project is a cooperative agreement between the Wisconsin Department of Natural Resources (WDNR) and the US Geological Survey (USGS).... Categories: Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: AOC, Areas of concern, Beneficial use impairment, Ecosystem health, Fox River, All tags... GLRI, Great Lakes Restoration Initiative, Great Lakes Restoration Initiative, Green Bay, Lake, Lake:Lake Michigan, Menominee River, Milwaukee Estuary, Sheboygan River, Toxic Substances, Watershed, Watershed:Lake Michigan Basin, benthos, invertebrates, phytoplankton, plankton, Fewer tags Benthic Communities and Sediment and Water Toxicity in the Rochester Embayment AOC Description of Work The study will be implemented in two phases due to logistical constraints and the need to incorporate methods developed (and findings) from a comparable investigation underway in another AOC. The first phase will consist of site selection, methods refinement, work-plan development, subcontract assembly, site reconnaissance, and sediment collection which will be done mainly during FY2013. The second phase will consist of macroinvertebrate identification, sediment toxicity testing, data analysis and interpretation, and report preparation and review mainly during FY2014. In brief, we will generate bed sediment toxicity and benthic community data needed to test two related hypotheses that address... Categories: Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Area of Concern, Areas of concern, Beneficial use impairment, Chironomus dilutus, GLRI, All tags... Genesee River, Great Lakes Restoration Initiative, Great Lakes Restoration Initiative, Lake, Lake:Lake Ontario, Rochester Embayment, Template 146, Toxic Substances, Uploaded in Batch, beneficial use impairment, bioassay, macroinvertebrate, plankton, sediment toxicity, Fewer tags Eutrophication models to simulate changes in the water quality of Green Lake, Wisconsin in response to changes in phosphorus loading, with supporting water-quality data for the lake, its tributaries, and atmospheric deposition In this data release, we provide data to describe the water quality in Green Lake, Wisconsin, from 1905 to 2020, primarily the constituents for which it is impaired, including near-surface total phosphorus concentrations and metalimnetic dissolved oxygen concentrations, and quantify the water and phosphorus inputs to the lake. We also provide inputs to and outputs from the General Lake Model coupled to the Aquatic Ecodynamics modeling library (GLM-AED) hydrodynamic water-quality model to describe the factors that have caused low dissolved oxygen concentrations in the metalimnion of Green Lake; and quantify how changes in phosphorus loading should affect near-surface total phosphorus and chlorophyll-a concentrations,... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Freshwater ecosystems, GLM-AED model, Green Lake, Green Lake County, Secchi depth, All tags... USGS Science Data Catalog (SDC), United States, Water Resources, Wisconsin, WI, aquatic biology, atmospheric deposition, chlorophyll, dissolved oxygen, lake, limnology, metalimnetic, meteorology, minimum, morphology, nutrients, plankton, streams, surface water quality, temperature, total phosphorus, water quality, Fewer tags Spatial and temporal dynamics of suspended particle characteristics and composition in Navigation Pool 19 of the Upper Mississippi River data Suspended particles are an essential component of large rivers influencing channel geomorphology, biogeochemical cycling of nutrients, and food web resources. The Upper Mississippi River (UMR) is a large floodplain river that exhibits pronounced spatiotemporal variation in environmental conditions and biota, providing an ideal environment for investigating dynamics of suspended particles in large river ecosystems. Here we investigated two questions: (1) How do suspended particle characteristics (e.g., size and morphology) vary temporally and spatially? and (2) What environmental variables have the strongest association with particle characteristics? Water sampling was conducted in June, August, and September of... Categories: Data; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Keokuk, Lock and Dam 18, Lock and Dam 19, Mississippi River, Navigation Pool 19, All tags... Upper Mississippi River, discharge, nutrients, phytoplankton, plankton, suspended particle characteristics, zooplankton, Fewer tags Water Toxicity in the St. Lawrence River at Massena Area of Concern Description of Work Past water-quality issues in the St. Lawrence River at Massena, NY resulted in a determination that selected beneficial uses may be impaired in a surrounding Area of Concern (AOC) and on the Canadian side of the international boundary (Cornwall, Ontario). The plankton (phytoplankton and zooplankton) Beneficial Use Impairment (BUI) was so designated because impairment metrics were unavailable or inconclusive. Recent investigations, however, suggest that plankton communities are relatively healthy and no longer threaten the local ecosystem. Thus, the BUI for plankton may now be outdated in all, or parts of, the St. Lawrence River in the Massena AOC. The primary goal for the Massena (and Cornwall)... Categories: Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Area of Concern, Areas of concern, Beneficial use impairment, Ceriodaphnia dubia, GLRI, All tags... Great Lakes Restoration Initiative, Great Lakes Restoration Initiative, Lake, Lake:Lake Ontario, Plankton, Plankton Bioassay, Selenastrum capricornutum, St. Lawrence River, Template 146, Toxic Substances, Toxicity Test, Uploaded in Batch, beneficial use impairment, Fewer tags