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Early Detection and Monitoring - Fish, Aquatic Invertebrates, Ichthyoplankton, and eDNA Metabarcoding Datasets and Reports

Published by U.S. Fish and Wildlife Service | Department of the Interior | Metadata Last Checked: January 25, 2026 | Last Modified: 2024-01-01T00:00:00Z
U.S Fish and Wildlife Services (USFWS) Lower Great Lakes Fish and Wildlife Conservation Office (LGLFWCO) Aquatic Invasive Species (AIS) Early Detection and Monitoring (EDM) program began in 2012 following the onset of Great Lakes Restoration Initiative (GLRI) funding. This program is apart of a larger basin-wide Great Lakes AIS EDM effort by the USFWS. The goal of this program is to detect novel AIS species (fish and aquatic invertebrates) by sampling a diversity of habitats with a wide array of gear types. Sampling focuses on harbors, rivers and tributaries of the lower Great Lakes (Erie and Ontario) as determined by a risk-based prioritization framework for AIS in the Great Lakes. The program is composed of three components of AIS surveillance: juvenile/adult fish, ichthyoplankton (larval fish), and aquatic invertebrates (including crayfish). Sampling strategies and protocols are analyzed and designed to capture the maximum species richness at locations with the assumption that capturing an abundance of species, including singletons and doubletons, could lead to detecting rare novel AIS species if present. Protocols vary depending on the component of the program and descriptions can be found within the metadata of each dataset. This program is adaptive in nature and standardization, although important for comparisons, is not the primary intention of this AIS sampling strategy. Any significant AIS detections are reported to partners following an internal communications protocol.

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