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A dye tracer study was completed on the lower Sandusky River between July 11-13, 2017, during a confirmed Grass carp (Ctenopharyngodon idella) spawning event downstream of Ballville Dam near Fremont, Ohio. The data contained in this data release include three-dimensional water-velocity data and discharge measurements collected using acoustic Doppler current profilers (ADCPs) deployed from two U.S. Geological Survey (USGS) survey boats stationed on the river during the study. Each boat was equipped with a 1200 kHz Teledyne RDI Rio Grande ADCP and differential Global Positioning System (GPS) receiver with sub-meter accuracy in horizontal position using the Wide Area Augmentation System (WAAS) differential correction....
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A dye tracer study was completed on the lower Sandusky River between July 11-13, 2017, during a confirmed Grass carp (Ctenopharyngodon idella) spawning event. The data contained in this data release include time series of dye concentration at fixed stations downstream of the injection site. Six submersible fluorometers (Turner Designs C3TM fluorometers) were deployed at predetermined stations between 1.19 and 16.05 river miles downstream of the injection point on July 10, 2017, approximately 24 hours prior to the injection. The fluorometers were mounted atop cinder blocks and deployed in approximately 3 to 4 feet of water with good circulation. The instruments were secured to shore using safety lines. The fluorometers...
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A newer version of these data is available at https://doi.org/10.5066/P94BH3W0. Grass Carp Ctenopharyngodon idella was imported to the United States in the 1960s for research into its usefulness as a biocontrol agent for nuisance aquatic vegetation. Escapees and intentionally stocked individuals founded wild, spawning populations in the Mississippi River and tributaries to the Laurentian Great Lakes. USGS-led research on the Sandusky River, a tributary to Lake Erie, demonstrated spawning of Grass Carp in 2015. In 2017, sampling with ichthyoplankton nets in the Sandusky River produced thousands of fertilized eggs on four dates during two distinct spawning events. We used published keys to estimate developmental...
The data includes dates, places, and times of sampling events for eggs and larvae of invasive Grass Carp (Ctenopharyngodon idella) in tributaries to Lake Erie between 2015 and 2020. Reference data on locations and dates sampled, gears used, and effort are included. Developmental stages for a subset of undamaged, fertilized eggs are provided. Tables include common fields to allow for integration into a relational database to aid data extraction and associating data among tables.
This data set is a compilation of data from two sampling efforts (2010 and 2014), focused on determining the presence and distribution of organic contaminants throughout the United States portion of the Great Lakes watershed. Water-borne contaminants were monitored in 69 tributaries of the Great Lakes using semipermeable membrane devices (SPMDs), and polar organic chemical integrative samplers (POCIS). Analyses included 185 chemicals (143 detected) including polycyclic aromatic hydrocarbons (PAHs), legacy and current-use pesticides, polychlorinated biphenyls (PCBs), polybrominated diphenyl ether (PBDE) and organophosphate fire retardants, pharmaceuticals, fragrances, industrial chemicals, surfactants, and others.
Tags: Ashtabula River, Au Sable River, Bad River, Black River, Buffalo River, All tags...
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The development of a reliable method of age estimation for Grass Carp is necessary for the successful management of this invasive species. Multiple federal and state agencies with assistance from commercial fishers collected adult Grass Carp from 2012 to 2018. Ossified parts were collected from these fish, and age estimates from them were compared to develop an age estimation method. Here we provide the data used in that effort.
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Grass Carp Ctenopharyngodon idella was imported to the United States in the 1960s for research into its usefulness as a biocontrol agent for nuisance aquatic vegetation. Escapees and intentionally stocked individuals founded wild, spawning populations in the Mississippi River and tributaries to the Laurentian Great Lakes. USGS-led research on the Sandusky River, a tributary to Lake Erie, demonstrated spawning of Grass Carp in 2015. In 2018, sampling with ichthyoplankton nets in the Sandusky River 11-13 June produced thousands of suspected fertilized Grass Carp eggs. Genetic analysis of 49 eggs identified by microscopic analysis as Grass Carp eggs confirmed all were from Grass Carp, demonstrating 100% accuracy of...
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Image and biometric data were collected for 22 species of fish from Great Lakes Tributaries in Michigan and Ohio, and the Illinois River for the purpose of developing a fish identification classifier. Data consists of a comma delimited spreadsheet that identifies image file names and associated fish identification number, common name, species code, family name, genus, and species, date collected, river from which each fish was collected, location of sampling, fish fork length in millimeters, girth in millimeters, weight in kilograms, and personnel involved with image collection. Biometric data are saved as .csv comma delimited format and image files are saved as .png file type.


    map background search result map search result map Velocity Mapping and Discharge Measurements on the Lower Sandusky River, Ohio, July 11 - 13, 2017 Developmental Stages of Grass Carp (Ctenopharyngodon idella) eggs in the Sandusky River in 2017 Time Series of Dye Concentrations at Fixed Stations During a Tracer Study on the Lower Sandusky River, Ohio, July 11-12, 2017 Developmental Stages of Grass Carp (Ctenopharyngodon idella) eggs in the Sandusky River (ver. 3.0, July 2020) Development of an age estimation method for Grass Carp from North America Image and biometric data for fish from Great Lakes tributaries collected during spring 2019 Grass Carp (Ctenopharyngodon idella) egg capture data from tributaries to western Lake Erie, 2015-2020 Developmental Stages of Grass Carp (Ctenopharyngodon idella) eggs in the Sandusky River in 2017 Developmental Stages of Grass Carp (Ctenopharyngodon idella) eggs in the Sandusky River (ver. 3.0, July 2020) Velocity Mapping and Discharge Measurements on the Lower Sandusky River, Ohio, July 11 - 13, 2017 Time Series of Dye Concentrations at Fixed Stations During a Tracer Study on the Lower Sandusky River, Ohio, July 11-12, 2017 Grass Carp (Ctenopharyngodon idella) egg capture data from tributaries to western Lake Erie, 2015-2020 Image and biometric data for fish from Great Lakes tributaries collected during spring 2019 Development of an age estimation method for Grass Carp from North America