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Maryland DNR Helps Fund New Stream Restoration Monitoring Program
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Efforts to produce measurable water quality data and results.
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News & Events
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Genetics Provide New Hope for Endangered Freshwater Mussels
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A piece of the restoration puzzle to save populations of endangered freshwater mussels may have been found, according to a recent U.S. Geological Survey led study. Local population losses in a river may not result in irreversible loss of mussel species; other mussels from within the same river could be used as sources to restore declining populations.
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News & Events
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UTRB Imperiled Aquatic Species Conservation Strategy Presentaion - Schulz 2015
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Powerpoint presentation of an overiew of the Imperiled Aquatic Species Strategy for the Upper Tennessee River Basin presented by Cindy Schulz on January 30, 2015.
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News & Information
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Webinars and Presentations
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Map of Listed, Proposed, and Candidate Fish and Mussels in the UTRB
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Map depicting the number of listed, proposed, and candidate fish and mussel species within each 12-digit HUC within the Upper Tennessee River Basin. Occurrences include extant and historical records. Areas within the UTRB boundary not shaded by a color in the key have no records of imperiled fish and mussel species occurrences.
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Maps
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Map of Listed, Proposed, and Candidate Mussels in the UTRB
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Map depicting the number of listed, proposed, and candidate mussel species within each 12-digit HUC within the Upper Tennessee River Basin. Occurrences include extant and historical records. Areas within the UTRB boundary not shaded by a color in the key have no records of imperiled mussel species occurrences.
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Maps
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Map of Listed, Proposed, and Candidate Fish in the UTRB
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Map depicting the number of listed, proposed, and candidate fish species within each 12-digit HUC within the Upper Tennessee River Basin. Occurrences include extant and historical records. Areas within the UTRB boundary not shaded by a color denoted in the key have no records of imperiled fish species occurrences.
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Maps
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Map of Federally Listed Species within the UTRB in Tennessee
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Map of Listed and candidate aquatic species in the Upper Tennessee hydrologic sub-unit of Tennessee.
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Maps
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Map of Federally Listed Aquatic Species in Virginia Portion of UTRB
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Map depicting listed and candidate aquatic species in the Upper Tennessee hydrologic sub-unit of Virginia.
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Maps
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Hydrologic Units within the Tennessee River Basin
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Unit name and total area (square miles) for 2, 4, 6, and 8 digit hydrologic units within the Tennessee River System.
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Reports & Documents
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Endangered Species Act Protections Proposed for Two Appalachian Crayfishes in Kentucky, Virginia and West Virginia
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Just as the central Appalachian landscape was beginning to undergo changes related to early 20th century mining, logging and population growth, researchers documented a number of crayfish species in the streams of this area known for its natural beauty and diverse wildlife. Two of these crayfishes, the Big Sandy crayfish and the Guyandotte River crayfish, are now in danger of extinction.
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News & Events
