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Location Folder Show Tree ROOT _ScienceBase Catalog 3DSC Alaska Science Center (ASC) Alkalic Igneous Centers of the Great Plains and Rocky Mountains: Data in Support of Critical Mineral Resource Studies AMMonitor: Remote wildlife monitoring for adaptive management Amphibian Research and Monitoring Initiative More... Filters Date Range Past year (0) Past month (0) Past week (0) Past day (0) Custom range... To   Search Contacts Patrick Kocovsky Great Lakes Science Center U.S. Geological Survey - ScienceBase Ecosystems Nicole R. King Theresa M. Schreier U.S. Geological Survey Categories Data (1) Tag Types Theme (1) Place (1) Harvest Set (1) Tag Schemes USGS Thesaurus (1) ISO 19115 Topic Category (1) Coastal and Marine Ecological Classification Standard (1) Common geographic areas (1) Geographic Names Information System (GNIS) (1) Unknown Thesaurus (1) View Results as: JSON ATOM CSV Browse Folder

Developmental Stages of Grass Carp (Ctenopharyngodon idella) eggs in the Sandusky River (ver. 3.0, July 2020) 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... Categories: Data, Data Release - Revised; Tags: DNA sequencing, Fish spawning and larval aggregation, Grass Carp, Sandusky River, USGS Science Data Catalog (SDC), All tags... Western Lake Erie, biological population management, biota, environment, invasive species, Fewer tags