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GL_St_Marys_River_2021 ESI FISH Polygons, Points

Published by Office of Response and Restoration | National Oceanic and Atmospheric Administration, Department of Commerce | Metadata Last Checked: December 19, 2025 | Last Modified: 2021-07-01T00:00:00.000+00:00
These feature classes reside within the BIOLOGY Feature Data Set of the Great Lakes St. Marys River - 2021 ESI Geodatabase. They contain vector polygons and points representing FISH data for the Great Lakes St. Marys River System. The study area includes the St. Marys River at the southern portion of Lake Superior beginning just east of Monocle Lake and south of Iroquois Island ending to the headwaters of Lake Huron. These data sets contain sensitive biological resource data for freshwater and anadromous fish species in the St. Marys River. Vector polygons and points in these datasets represent fish distribution and spawning areas. Species-specific abundance, seasonality, status, life history, and source information are stored in associated data tables (described in Entity Attribute Overview below) designed to be used in conjunction with this spatial data layer. These datasets are a portion of the ESI data for the Great Lakes St. Marys River System. As a whole, the ESI data characterize the marine and coastal environments and wildlife by their sensitivity to spilled oil, and include information for three main components: shoreline habitats, sensitive biological resources, and human-use resources.

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