Strategic Habitat and River Reach Units for Aquatic Species of Conservation Concern in Alabama by E
GEOLOGICAL SURVEY OF ALABAMA SPECIAL MAP 248 Strategic Habitat and River Reach Units for Aquatic Species of Conservation Concern in Alabama by E. Anne Wynn, Patrick E. O'Neil, and Stuart W. McGregor - Geological Survey of Alabama; Jeffrey R. Powell, Jennifer M. Pritchett, and Anthony D. Ford - U.S. Fish and Wildlife Service; Berry H. (Nick) Tew, Jr. State Geologist and Paul D. Johnson - Alabama Department of Conservation and Natural Resources TENNESSEE Explanation Rivers and streams 4 Open water County lines 3 5 8 9 Hydrologic Unit Code (HUC) 10 LAUDERDALE 6 subregion boundary LIMESTONE Strategic Habitat Unit (SHU) 2 39 MADISON JACKSON COLBERT Strategic River Reach Unit (SRRU) LAWRENCE FRANKLIN 7 MORGAN The U.S. Fish and Wildlife Service DE KALB 1 MARSHALL in conjunction with the Alabama 20 22 CHEROKEE Department of Conservation and MARION Natural Resources and the Geological 18 37 CULLMAN GEORGIA Survey of Alabama have selected WINSTON BLOUNT ETOWAH watersheds and river segments in the five 19 38 major HUC 4 subregions in Alabama to focus 23 36 conservation activities for managing, recovering, FAYETTE WALKER LAMAR ST CLAIR 35 and restoring populations of rare fishes, mussels, 21 41 CALHOUN snails, and crayfishes. These Strategic Habitat Units 17 CLEBURNE 14 (SHUs) and Strategic River Reach Units (SRRUs) 32 33 JEFFERSON include a substantial part of Alabama’s remaining 16 34 high-quality water courses and reflect the variety of aquatic 31 RANDOLPH habitats occupied by these species historically and presently. MISSISSIPPI 30 PICKENS 15 The SHUs were selected based on the presence of federally CLAY SHELBY listed and state imperiled species, potential threats to the TUSCALOOSA TALLADEGA 27 species, designation of critical habitat, and the best available 29 TALLAPOOSA information about the essential habitat components required by 13 BIBB CHAMBERS these aquatic species to survive.
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