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Filters Date Range Past year (0) Past month (0) Past week (0) Past day (0) Custom range... To   Search Contacts Meredith Nevers Dawn A Shively Great Lakes Science Center U.S. Geological Survey - ScienceBase Katarzyna Przybyla-Kelly Ecosystems U.S. Geological Survey Categories Data Release - Revised (2) Tag Types Theme (6) Place (6) USGS Scientific Topic Keyword (4) Harvest Set (6) Tag Schemes USGS Thesaurus (5) Getty Thesaurus of Geographic Names (6) ISO 19115 Topic Category (6) USGS thesaurus (1) User Defined (1) Coastal and Marine Ecological Classification Standard (2) Producer Defined (2) View Results as: JSON ATOM CSV

Environmental DNA detection and survival, influence of sediment, and stream transport in a Lake Michigan watershed, 2018 The data released are associated with an examination of eDNA from round goby fish (Neogobius melanostomus) in a series of field sample collections (lake nearshore and stream transport) and in vitro laboratory experiments. The round goby was used as a model for our source of eDNA in the field collections and mesocosm experiments. The field samples for lake nearshore (water and sediment) were collected from two Lake Michigan shoreline locations (Portage Lakefront, Portage, Indiana and Washington Park, Michigan City, Indiana) to examine the detectability of eDNA, the influence of sediment on eDNA estimates, and eDNA spatial and temporal resolution. The field samples for stream transport (water) were collected from... Categories: Data; Tags: Aquatic Biology, Brown Ditch, Ecology, Genetics, Indiana Dunes National Park, All tags... Lake Michigan, Portage Lakefront, USGS Science Data Catalog (SDC), Washington Park, biota, environment, environmental DNA, field methods, freshwater ecosystems, inlandWaters, polymerase chain reaction, Fewer tags Influence of filter pore size on microbial communities and microbial source tracking (MST) markers on water in Racine, Wisconsin; Chicago, Illinois; East Chicago, Indiana, 2015-2017 The data being released were part of a project funded by the Great Lakes Restoration Initiative (GLRI). This study sought to examine the influence of filter pore size (5.0 µm pre and 0.22 µm final filtration) on microbial communities and source-specific microbial source tracking (MST) markers at three locations along southern Lake Michigan: Racine, WI; Chicago, IL; and East Chicago, IN; between 2015 and 2017. In 2015, triplicate water samples were collected during three events, in 2016 individual water samples were collected during three events, and in 2017, individual water samples were collected one day a week for ten weeks between June and August. Samples were collected from twelve locations, two river, two river... Categories: Data; Tags: Aquatic Biology, Chicago, DNA sequencing, East Chicago, Environmental Health, All tags... Genetics, Grand Calumet River, Illinois, Indiana, Lake Michigan, Microbial Communities, Racine, Root River Canal, USGS Science Data Catalog (SDC), Water Quality, Wisconsin, biota, ecology, freshwater ecosystems, microbiology, polymerase chain reaction, water sampling, Fewer tags Microbial communities and bacterial indicators for shoreline sand, sediment, and water in Racine, Wisconsin; Chicago, Illinois; and East Chicago, Indiana; 2016-2017 The data associated with the following data release were collected between 2016 and 2017 at three locations on Lake Michigan: Racine, WI; Chicago, IL; and East Chicago, IN. Individual water samples were collected one day a week for ten weeks between June and August. Samples were collected from eight specific sites made up of two river and six shoreline type environments. Sampling was completed at sites where various morphology (embayment, sand and sediment characteristics, size and shape) and hydrologic conditions (currents and waves) were present. Then samples were analyzed using microbial communities (metagenomic analysis), markers of contamination (microbial source tracking), and fecal indicator bacteria (E.... Categories: Data; Tags: Aquatic Biology, DNA sequencing, Ecology, Genetics, Grand Calumet River, All tags... Lake Michigan, Limnology, Microbial Communities, Root River Canal, USGS Science Data Catalog (SDC), Water Quality, ecology, farming, freshwater ecosystems, microbiology, polymerase chain reaction, water sampling, Fewer tags Quantitative polymerase chain reaction (qPCR): An alternative, rapid water quality monitoring tool at a National Park on Lake Michigan. Data were collected to evaluate the efficacy of quantitative polymerase chain reaction (qPCR) as a rapid, alternative method for monitoring recreational water at select beaches and rivers of Sleeping Bear Dunes National Lakeshore (SLBE), in Empire, Michigan. Water samples were collected between August 4 and September 18, 2014 (N=297) from four locations (Esch Rd, Otter Creek, Platte Bay, and Platte River). The samples were analyzed for indicator bacteria, E. coli and enterococci, by both culture-based (membrane filtration, MF; traditional method) and non-culture based (qPCR; rapid method). Recreational water quality standards (RWQS) and beach action values (BAV) were used as indices to compare water quality standard... Categories: Data; Tags: Lake Michigan, Sleeping Bear Dunes National Lakeshore, USGS Science Data Catalog (SDC), bacteria, biota, All tags... freshwater ecosystems, polymerase chain reaction, water quality, water sampling, Fewer tags 16S rRNA gene sequencing and E. coli for shorelines and the Grand Calumet River, Indiana, 2015 Data were collected in August and September 2015 for analysis of bacteria communities of the Grand Calumet River and associated shorelines. Water samples were collected on three occasions corresponding to one rain-related (wet) events and two non-rain (dry) events. Water samples were collected in the Grand Calumet River, at the mouth of the river, at offshore locations around the peninsular impoundment and at shoreline locations: Jeorse Park (East Chicago, Indiana), Whihala (Whiting, Indiana), and 63rd Street (Chicago, Illinois) beaches. Samples were collected in triplicate, and water was filtered at the USGS Lake Michigan Ecological Research Station. After DNA extraction, samples were analyzed using 16S rRNA sequencing... Categories: Data, Data Release - Revised; Tags: Contamination and pollution, DNA sequencing, Ecology, Freshwater ecosystems, Grand Calumet River, All tags... Great Lakes, Lake Michigan, Microbial communities, Microbiology, USGS Science Data Catalog (SDC), Water sampling, environment, Fewer tags Identify sources of high E. coli concentrations, beaches of southern Lake Michigan, 2015 (version 2.0, July 2020) Data were collected as part of a study to identify sources of E. coli contamination at several beaches located in the Grand Calumet River Areas of Concern, located in northern Indiana on Lake Michigan, as well as in Illinois and Wisconsin on Lake Michigan. Water samples were collected at each site in Indiana three times a week for thirteen weeks and at each site in Illinois and Wisconsin. All samples were analyzed for E. coli bacteria (an indicator bacteria for fecal contamination) and species-specific molecular markers (microbial source tracking, MST), including human, gull, and dog. Presence of MST markers indicates a fecal source at that location associated with the target animal. Field conditions were recorded... Categories: Data, Data Release - Revised; Tags: Aquatic Biology, Area of Concern, Ecology, Environmental Health, Genetics, All tags... Grand Calumet River, Great Lakes, Lake Michigan, USGS Science Data Catalog (SDC), contamination and pollution, environment, environmental health (human), freshwater ecosystems, microbiology, polymerase chain reaction, water sampling, Fewer tags