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Cladophora biomass and supporting data collected in the Great Lakes, 2018 (ver. 1.1, September 2020) Note: An error was discovered in the BenthicBiomas Table, mostly in designation of BDLs and zeros. Data are undergoing further QC and the corrected dataset will be posted soon. This dataset records Cladophora and associated submerged aquatic vegetation (SAV) biomass collected approximately monthly during the growing season of 2018 at stations located along the U.S. shoreline of Lakes Michigan, Huron, Erie, and Ontario. It also records a variety of supporting data collected at Cladophora measurement stations. These supporting data include: - seasonal time series of light, currents, wave action, temperature, specific conductivity, turbidity, pH, phycocyanin, chlorophyll, and dissolved oxygen from moored sensors... Categories: Data, Data Release - Revised; Tags: Aquatic Biology, CTD measurement, Ecology, Great Lakes Region, Lake Erie, All tags... Lake Huron, Lake Michigan, Lake Ontario, Limnology, USGS Science Data Catalog (SDC), Water Quality, acoustic Doppler current profiling, algae, algal blooms, aquatic biology, aquatic vegetation, benthos, biota, environment, eutrophication, freshwater ecosystems, habitat alteration, inlandWaters, invasive species, mollusks, nuisance species, nutrient content (water), optical methods, oxygen content (water), phosphorus, submerged aquatic vegetation, surface water quality, suspended material (water), turbidity, water pH, water sampling, water temperature, Fewer tags Cladophora biomass and supporting data collected in the Great Lakes, 2019 (ver. 2.0, December 2023) This dataset records Cladophora and associated submerged aquatic vegetation (SAV) biomass collected approximately monthly during the growing season of 2019 at stations located along the U.S. shoreline of Lakes Michigan, Huron, Erie, and Ontario. It also records a variety of supporting data collected at Cladophora measurement stations. These supporting data include: - seasonal time series of light, currents, wave action, temperature, specific conductivity, turbidity, pH, phycocyanin, chlorophyll, and dissolved oxygen from moored sensors at a subset of stations; - measurements of Secchi disk depth and water chemistry; - water column profiles of temperature, specific conductivity, turbidity, pH, phycocyanin, chlorophyll,... Categories: Data, Data Release - Revised; Tags: CTD measurement, Great Lakes Region, Lake Erie, Lake Huron, Lake Michigan, All tags... Lake Ontario, USGS Science Data Catalog (SDC), acoustic Doppler current profiling, algae, algal blooms, aquatic biology, aquatic vegetation, benthos, biota, environment, eutrophication, freshwater ecosystems, habitat alteration and disturbance, inlandWaters, invasive species, mollusks, nuisance species, nutrient content (water), optical methods, oxygen content (water), phosphorus, submerged aquatic vegetation, surface water quality, suspended material (water), turbidity, water pH, water sampling, water temperature, Fewer tags Historical Spawning Sites for Lake Whitefish (Coregonus clupeaformis) and Cisco (Coregonus artedi) in Lake Erie and Connecting Channels, 1850-1960 (ver. 2.0, July 2022) This data contains coordinate locations for suspected historical spawning locations of lake whitefish (Coregonus clupeaformis) and cisco (Coregonus artedi) across the Lake Erie basin, including the Detroit River, Lake St. Clair, and the St. Clair River. Data points were summarized using ArcGIS 10.5. Data came from published and unpublished sources cited in the Atlas of the Spawning and Nursery Areas of Great Lakes Fishes (Goodyear et al. 1982) and other sources as described. Data points included were specific locations described as having the presence of eggs or spawning fish. Pseudo-absence data used for comparison purposes are also provided in this data release. First release: 2019 Revised: July 2022 (ver. 2.0) Categories: Data, Data Release - Revised; Tags: Coregonus artedi, Coregonus clupeaformis, Detroit River, Fish Spawning and Larval Aggregation, Lake Erie, All tags... Lake Saint Clair, Saint Clair River, USGS Science Data Catalog (SDC), biota, fisheries biology, historic sites, lake, mapping, Fewer tags Cladophora biomass and supporting data collected in the Great Lakes, 2020 (ver. 2, May 2023) This dataset records Cladophora and associated benthic algae, collectively Cladophora community or submerged aquatic vegetation (SAV), biomass collected during the growing season of 2020 at stations located along the U.S. shoreline of Lakes Michigan, Huron, and Erie. It also records a variety of supporting data collected at Cladophora measurement stations. These supporting data include: - measurements of Secchi disk depth and water chemistry; - water column profiles of temperature, specific conductivity, turbidity, pH, phycocyanin, chlorophyll, and dissolved oxygen; - diver observations of SAV, dreissenid mussels, round goby abundance, and substrate properties; - measurements of dreissenid mussel abundance and size... Categories: Data, Data Release - Revised; Tags: CTD measurement, Great Lakes Region, Lake Erie, Lake Huron, Lake Michigan, All tags... USGS Science Data Catalog (SDC), algae, algal blooms, aquatic biology, aquatic vegetation, benthos, biota, environment, eutrophication, field sampling, freshwater ecosystems, habitat alteration and disturbance, inlandWaters, invasive species, mollusks, nuisance species, nutrient content (water), optical methods, oxygen content (water), phosphorus, submerged aquatic vegetation, surface water quality, suspended material (water), turbidity, water pH, water sampling, water temperature, Fewer tags Zooplankton of the St. Clair-Detroit River System, 2012-2014 (ver. 1.2, February 2021) Crustacean zooplankton were collected, enumerated, identified, and measured within the St. Clair-Detroit River System (SCDRS). Collections were made using a 0.5 m diameter 153 um zooplankton net. Nets were lowered to ~0.5 m from bottom depth and retrieved. Nets were utilized with a General Oceanics flowmeter to calculate the distance the net traveled. At sites of collection, both temperature (degrees C) and Secchi depth (m) were collected for abiotic influencing factors of the zooplankton community. Collected specimens were narcotized in sugar formalin. Specimens were enumerated, identified, and measured under a dissection microscope. Volumetric estimates (m^-3) were obtained by applying the distance traveled and... Categories: Data, Data Release - Revised; Types: Citation; Tags: Detroit River, Lake Erie, Lake Huron, Lake Saint Clair, Saint Clair River, All tags... St. Clair-Detroit River System, aquatic ecosystems, biota, ecosystems, environment, fish, fishery management, plankton, Fewer tags Cladophora biomass and supporting data collected in the Great Lakes, 2018 (ver. 2.0, June 2023) This dataset records Cladophora and associated benthic algae, collectively Cladophora community or submerged aquatic vegetation (SAV), biomass collected during the growing season of 2018 at stations located along the U.S. shoreline of Lakes Michigan, Huron, Erie, and Ontario. It also records a variety of supporting data collected at Cladophora measurement stations. These supporting data include: - seasonal time series of light, currents, wave action, temperature, specific conductivity, turbidity, pH, phycocyanin, chlorophyll, and dissolved oxygen from moored sensors at a subset of stations; - measurements of Secchi disk depth and water chemistry; - water column profiles of temperature, specific conductivity, turbidity,... Categories: Data, Data Release - Revised; Tags: Aquatic Biology, CTD measurement, Ecology, Great Lakes Region, Lake Erie, All tags... Lake Huron, Lake Michigan, Lake Ontario, Limnology, Water Quality, acoustic Doppler current profiling, algae, algal blooms, aquatic biology, aquatic vegetation, benthos, biota, environment, eutrophication, freshwater ecosystems, habitat alteration and disturbance, inlandWaters, invasive species, mollusks, nuisance species, nutrient content (water), optical methods, oxygen content (water), phosphorus, submerged aquatic vegetation, surface water quality, suspended material (water), turbidity, water pH, water sampling, water temperature, Fewer tags USGS Lake Erie East Harbor bottom trawl data series, 1961-2011 (ver. 2.0, March 2020) The USGS Lake Erie Biological Station’s East Harbor sampling program began in 1961 with the commissioning of the research vessel Musky II. It is the longest known continuous trawl survey in Lake Erie. In addition to spanning over 50 years, the data series is unique for three prominent design elements: 1) sampling was conducted at three depth strata; 2) replicate trawl samples were collected at each depth stratum; and 3) sampling was conducted during both day and night. Unlike other trawl series collected in Lake Erie, and throughout the Great Lakes, the East Harbor program is the only one to combine these sampling practices in a single survey. In 2012, the original vessel used since the inception of the East Harbor... Categories: Data, Data Release - Revised; Tags: Cedar-Portage, Ecology, Field Sampling, Fishery Resources, Lake Erie, All tags... Population and community ecology, USGS Science Data Catalog (SDC), Fewer tags Bathymetric and water quality data on the Sandusky River between Tiffin and Fremont, Ohio, November 4-7, 2019 On November 4-7, 2019, bathymetric data were collected on the Sandusky River between Tiffin and Fremont, Ohio. Wading measurements were made at cross-sections shallower than about 1 foot using a survey pole with a Trimble R10 Global Navigation Satellite System (GNSS) receiver connected to the Ohio Department of Transportation (ODOT) real-time virtual reference station (VRS) network. Cross-sections that were deeper than about 1 foot were measured with a CEE-ECHO single-beam echosounder mounted to a canoe. A Trimble R10 GNSS receiver connected to the ODOT real-time VRS network was mounted directly above the echosounder and integrated with the echosounder data collection unit to convert measured depths to bed elevations.... Categories: Data, Data Release - Revised; Tags: Geography, Geomorphology, Hydrology, Lake Erie, Ohio, All tags... Sandusky, Seneca, USGS Science Data Catalog (SDC), bathymetry, surface water (non-marine), water quality, Fewer tags