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NOAA Technical Memorandum NMFS-NE 258

US Atlantic and Gulf of Mexico Marine Mammal Stock Assessments - 2018

Sean A Hayes1, Elizabeth Josephson1, Katherine Maze-Foley6, Patricia E Rosel3, Editors, with contributions from (listed alphabetically): Barbie Byrd4, Samuel Chavez-Rosales1, Timothy VN Cole1, Lance P Garrison6, Joshua Hatch1, Allison Henry1, Stacey C Horstman5, Jenny Litz6, Marjorie C Lyssikatos1, Keith D Mullin2, Christopher Orphanides1, Richard M Pace1, Debra L Palka1, Jessica Powell5, and Frederick W Wenzel1

1NOAA Fisheries, Northeast Fisheries Science Center, 166 Water St, Woods Hole, MA 02543
2NOAA Fisheries, P.O. Drawer 1207, Pascagoula, MS 39568
3NOAA Fisheries, 646 Cajundome Blvd. Suite 234, Lafayette, LA 70506
4NOAA Fisheries, 101 Pivers Island, Beaufort, NC 28516
5NOAA Fisheries, 263 13th Ave. South, St. Petersburg, FL 33701
6NOAA Fisheries, 75 Virginia Beach Drive, Miami, FL 33149

Web version posted June 18, 2019

Citation: Hayes SA, Josephson E, Maze-Foley K, Rosel PE. 2019. US Atlantic and Gulf of Mexico Marine Mammal Stock Assessments - 2018. NOAA Tech Memo NMFS-NE 258; 291 p. doi: 10.25923/9rrd-tx13

Information Quality Act Compliance: In accordance with section 515 of Public Law 106-554, the Northeast Fisheries Science Center completed both technical and policy reviews for this report. These predissemination reviews are on file at the NEFSC Editorial Office.

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TABLE 1. Summary of Atlantic Marine Mammal Stock Assessment Reports under NMFS Authority that Occupy Waters under USA Jurisdiction

North Atlantic Right Whale (Eubalaena glacialis): Western Atlantic Stock
Humpback Whale (Megaptera novaeangliae): Gulf of Maine Stock
Fin Whale (Balaenoptera physalus): Western North Atlantic Stock
Minke Whale (Balaenoptera acutorostrata acutorostrata): Canadian East Coast Stock
Risso's Dolphin (Grampus griseus): Western North Atlantic Stock
Long-finned Pilot Whale (Globicephala melas): Western North Atlantic Stock
Short-finned Pilot Whale (Globicephala macrorhynchus): Western North Atlantic Stock
White-sided Dolphin (Lagenorhynchus acutus): Western North Atlantic Stock
Short-beaked Common Dolphin (Delphinus delphis delphis): Western North Atlantic Stock
Rough-toothed Dolphin (Steno bredanensis): Western North Atlantic Stock
Harbor Porpoise (Phocoena phocoena): Gulf of Maine/Bay of Fundy Stock
Harbor Seal (Phoca vitulina vitulina): Western North Atlantic Stock
Gray Seal (Halichoerus grypus atlantica): Western North Atlantic Stock
Harp Seal (Pagophilus groenlandicus): Western North Atlantic Stock
Hooded Seal (Cystophora cristata): Western North Atlantic Stock
Common Bottlenose Dolphin (Tursiops truncatus truncatus):Terrebonne-Timbalier Bay Estuarine System Stock
Common Bottlenose Dolphin (Tursiops truncatus truncatus): Northern Gulf of Mexico Bay, Sound, and Estuary Stocks


APPENDIX I: Estimated serious injury and mortality (SI&M) of Western North Atlantic marine mammals
APPENDIX II: Summary of the confirmed anecdotal human-caused mortality and serious injury (SI) events
APPENDIX III: Fishery Descriptions
APPENDIX IV: Surveys and Abundance Estimates
APPENDIX V: Fishery Bycatch Summaries
APPENDIX VI: Reports not updated in 2018