NEFSC Technical Memordandum 211 US Atlantic and Gulf of Mexico Marine Mammal Stock Assessments 2011

CONTENTS

Executive Summary

Introduction

Stock Assessments for 2011

Appendices

NOAA Technical Memorandum NMFS-NE-221

U.S. Atlantic and Gulf of Mexico Marine Mammal
Stock Assessments -- 2011

Gordon T. Waring¹, Elizabeth Josephson¹, Katherine Maze-Foley², and Patricia E. Rosel³, Editors, with contributions from (listed alphabetically): Kevin Barry², Barbie Byrd⁴, Timothy V.N. Cole¹, Laura Engleby⁵, Carol Fairfield⁶, Lance P. Garrison⁶, Larry Hansen⁴, Allison Henry¹, Jenny Litz⁶, Christopher Orphanides¹, Richard M. Pace¹, Debra L. Palka¹, Marjorie C. Rossman¹, Carrie Sinclair², and Fredrick W. Wenzel¹

¹National Marine Fisheries Service, 166 Water St., Woods Hole, MA 02543
²National Marine Fisheries Service, 3209 Frederic St., Pascagoula, MS 39567
³National Marine Fisheries Service, 646 Cajundome Blvd. Suite 234, Lafayette, LA 70506
⁴National Marine Fisheries Service, 101 Pivers Island, Beaufort, NC 28516
⁵National Marine Fisheries Service, 263 13th Ave. South, St. Petersburg, FL 33701
⁶National Marine Fisheries Service, 75 Virginia Beach Dr., Miami, FL 33149
Web version posted May 18, 2012
Citation: Waring GT, Josephson E, Maze-Foley K, Rosel, PE, editors. 2012. U.S. Atlantic and Gulf of Mexico Marine Mammal Stock Assessments -- 2011. NOAA Tech Memo NMFS NE 221; 319 p. Available from: National Marine Fisheries Service, 166 Water Street, Woods Hole, MA 02543-1026, or online at http://www.nefsc.noaa.gov/nefsc/publications/

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. A Summary (including footnotes) of Atlantic Marine Mammal Stock Assessment Reports for Stocks of Marine Mammals 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

Sei Whale (Balaenoptera borealis): Nova Scotia 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
Harbor Porpoise (Phocoena phocoena phocoena): Gulf of Maine/Bay of Fundy Stock
Harbor Seal (Phoca vitulina concolor): Western North Atlantic Stock
Gray Seal (Halichoerus grypus grypus): Western North Atlantic Stock
Harp Seal (Pagophilus groenlandicus): Western North Atlantic Stock
Bryde's Whale (Balaenoptera edeni): Northern Gulf of Mexico Stock
Pantropical Spotted Dolphin (Stenella attenuata attenuata): Northern Gulf of Mexico Stock

Bottlenose Dolphin (Tursiops truncatus truncatus): Northern Gulf of Mexico Stock

Bottlenose Dolphin (Tursiops truncatus truncatus): Northern Gulf of Mexico Bay, Sound, and Estuary Stock

Bottlenose Dolphin (Tursiops truncatus truncatus): Barataria Bay Estuarine System Stock

Bottlenose Dolphin (Tursiops truncatus truncatus): St. Joseph Bay Stock

Bottlenose Dolphin (Tursiops truncatus truncatus): Choctawhatchee Bay Stock

Bottlenose Dolphin (Tursiops truncatus truncatus): Puerto Rico and U.S. Virgin Islands Stock
Cuvier’s Beaked Whale (Ziphius cavirostris): Puerto Rico and U.S. Virgin Islands Stock
Short-finned Pilot Whale (Globicephala macrorhynchus): Puerto Rico and U.S. Virgin Islands Stock
Spinner Dolphin (Stenella longirostris longirostris): Puerto Rico and U.S. Virgin Islands Stock
Atlantic Spotted Dolphin (Stenella frontalis): Puerto Rico and U.S. Virgin Islands Stock

Appendices

APPENDIX I. Estimated serious injury and mortality (SI&M) of Western North Atlantic marine mammals listed by U.S. observed fisheries for 1999-2003.

APPENDIX II. Summary of confirmed human-caused mortality and serious injury (SI) events

APPENDIX III. Fishery Descriptions

APPENDIX IV. Summary of surveys and abundance estimates

APPENDIX V. Reports not updated in 2011 Full descriptions available in TM 219
APPENDIX VI. West Indian Manatee Stock Assessments – Florida and Antilles stocks