Parent Layer: Biological

Name: Spawning Nursery Sites

Display Field: Place

Type: Feature Layer

Geometry Type: esriGeometryPoint

Description: This data set describes fish spawning and nursery sites in the Great Lakes. It is derived primarily from the Goodyear Spawning Atlas (Goodyear et al., 1982). However, in order to present a more up-to-date view of fish spawning activity, additional information was incorporated in 2011 from several more recent studies, so that some locations have been added, and others have been removed, as compared with the original Goodyear Spawning Atlas. This process was completed for twelve species of interest only: alewife, bloater, burbot, emerald shiner, lake herring, lake trout, lake whitefish, rainbow smelt, slimy sculpin, smallmouth bass, walleye, and yellow perch. Goodyear Atlas points for other species were not included in this GIS file. Please note that these GIS points are accurate, at best, to one arcminute, and many locations are approximate; consult the Goodyear Spawning Atlas for more information on any given point.The fish spawning data update process was performed by Aimee Hoover and Nikki Rose Cosmo under the guidance of Dr. Ed Rutherford.

Copyright Text: University of Michigan and Michigan Department of Natural Resources

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Spatial Reference: 102100  (3857)

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• Value: Bloater
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• Value: Smallmouth bass
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• Value: Walleye
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