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NOAA Technical Memorandum NMFS NE 182

U.S. Atlantic and Gulf of Mexico Marine Mammal Stock Assessments -- 2003

by Gordon T. Waring1, Richard M. Pace1, Janeen M. Quintal1, Carol P. Fairfield2, and Katherine Maze-Foley3, Editors, with contributions from (listed alphabetically): Nicole Cabana1, Phillip J. Clapham1, Timothy V.N. Cole1, Gregory L. Fulling3, Lance P. Garrison2, Aleta A. Hohn4, Blair G. Maise2, Wayne E. McFee5, Keith D. Mullin3, Debra L. Palka1, Patricia E. Rosel5, Marjorie C. Rossman1, Fredrick W. Wenzel1, and Amy L. Whitingham1

1National Marine Fisheries Serv., 166 Water St., Woods Hole, MA 02543
2National Marine Fisheries Serv., 75 Virginia Beach Dr., Miami, FL 33149
3National Marine Fisheries Serv., 3209 Frederic St., Pascagoula, MS 39567
4National Marine Fisheries Serv., 101 Pivers Island Rd., Beaufort, NC 28516
5National Marine Fisheries Serv., 219 Fort Johnson Rd., Charleston, SC 29412

Print publication date May 2004 ; web version posted July 22, 2004

Citation: Waring GT, Pace RM, Quintal JM, Fairfield CP, Maze-Foley K, Editors. 2004. US Atlantic and Gulf of Mexico marine mammal stock assessments -- 2003. NOAA Tech Memo NMFS NE 182; 287 p.

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Contents
ACKNOWLEDGMENTS
EXECUTIVE SUMMARY
INTRODUCTION
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
STOCK ASSESSMENTS FOR 2003:
  NORTH ATLANTIC RIGHT WHALE (Eubalaena glacialis): Western 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): Canadian East Coast Stock
  DWARF SPERM WHALE (Kogia sima): Western North Atlantic Stock
  PYGMY SPERM WHALE (Kogia breviceps): Western North Atlantic Stock
  PYGMY KILLER WHALE (Feresa attenutta): Western North Atlantic Stock
  MELON-HEADED WHALE (Peponocephala electra): Western North Atlantic Stock
  LONG-FINNED PILOT WHALE (Globicephala melas): Western North Atlantic Stock
  ATLANTIC WHITE-SIDED DOLPHIN (Lagenorhynchus acutus): Western North Atlantic Stock
  WHITE-BEAKED DOLPHIN (Lagenorhynchus albirostris): Western North Atlantic Stock
  COMMON DOLPHIN (Delphinus delphis): Western North Atlantic Stock
  CLYMENE DOLPHIN (Stenella clymene): Western North Atlantic Stock
  FRASER'S DOLPHIN (Lagenodelphis hosei): Western North Atlantic Stock
  BOTTLENOSE DOLPHIN (Tursiops truncatus): Western North Atlantic Offshore Stock
  HARBOR PORPOISE (Phocoena phocoena): Gulf of Maine/Bay of Fundy Stock
  HARBOR SEAL (Phoca vitulina): Western North Atlantic Stock
  GRAY SEAL (Halichoerus grypus): Western North Atlantic Stock
  HARP SEAL (Phoca groenlandica): Western North Atlantic Stock
  HOODED SEAL (Cystophora cristata): Western North Atlantic Stock
  SPERM WHALE (Physeter macrocephalus): Northern Gulf of Mexico Stock
  BRYDE'S WHALE (Balaenoptera edeni): Northern Gulf of Mexico Stock
  CUVIER'S BEAKED WHALE (Ziphius cavirostris): Northern Gulf of Mexico Stock
  BLAINVILLE’S BEAKED WHALE (Mesoplodon densirostris): Northern Gulf of Mexico Stock
  GERVAIS' BEAKED WHALE (Mesoplodon europaeus): Northern Gulf of Mexico Stock
  BOTTLENOSE DOLPHIN (Tursiops truncatus): Northern Gulf of Mexico Continental Shelf Stock
  BOTTLENOSE DOLPHIN (Tursiops truncatus): Northern Gulf of Mexico Oceanic Stock
  ATLANTIC SPOTTED DOLPHIN (Stenella frontalis): Northern Gulf of Mexico Stock
  PANTROPICAL SPOTTED DOLPHIN (Stenella attenuata): Northern Gulf of Mexico Stock
  STRIPED DOLPHIN (Stenella coeruleoalba): Northern Gulf of Mexico Stock
  SPINNER DOLPHIN (Stenella longirostris): Northern Gulf of Mexico Stock
  ROUGH-TOOTHED DOLPHIN (Steno bredanensis): Northern Gulf of Mexico Stock
  CLYMENE DOLPHIN (Stenella clymene): Northern Gulf of Mexico Stock
  FRASER'S DOLPHIN (Lagenodelphis hosei): Northern Gulf of Mexico Stock
  KILLER WHALE (Orcinus orca): Northern Gulf of Mexico Stock
  FALSE KILLER WHALE (Pseudorca crassidens): Northern Gulf of Mexico Stock
  PYGMY KILLER WHALE (Feresa attenuata): Northern Gulf of Mexico Stock
  DWARF SPERM WHALE (Kogia sima): Northern Gulf of Mexico Stock
  PYGMY SPERM WHALE (Kogia breviceps): Northern Gulf of Mexico Stock
  MELON-HEADED WHALE (Peponocephala electra): Northern Gulf of Mexico Stock
  RISSO'S DOLPHIN (Grampus griseus): Northern Gulf of Mexico Stock
SHORT-FINNED PILOT WHALE (Globicephala macrorhynchus): Northern Gulf of Mexico Stock
APPENDICES
APPENDIX I. Estimated serious injury and mortality (SI&M) of Western North Atlantic marine mammals listed by U.S. observed fisheries for 1997-2001
APPENDIX II. Numbers of confirmed and unconfirmed large whale mortality and serious injury (‘SI’) events reported along the U.S. Gulf coasts, the U.S. East coast and adjacent Canadian Maritimes from 1997 - 2001, including a break down of the number of events attributed to entanglement and/or collision with a vessel
APPENDIX III. Marine mammal stock assessment reports not updated in the year 2002:
  BLUE WHALE (Balaenoptera musculus): Western North Atlantic Stock
  SPERM WHALE (Physeter macrocephalus): North Atlantic Stock
  KILLER WHALE (Orcinus orca): Western North Atlantic Stock
  NORTHERN BOTTLENOSE WHALE (Hyperoodon ampullatus): Western North Atlantic Stock
  CUVIER'S BEAKED WHALE (Ziphius cavirostris): Western North Atlantic Stock
  MESOPLODON BEAKED WHALES (Mesoplodon spp.): Western North Atlantic Stock
  RISSO'S DOLPHIN (Grampus griseus): Western North Atlantic Stock
  SHORT-FINNED PILOT WHALE (Globicephala macrorhynchus): Western North Atlantic Stock
  ATLANTIC SPOTTED DOLPHIN (Stenella frontalis): Western North Atlantic Stock
  PANTROPICAL SPOTTED DOLPHIN (Stenella attenuata): Western North Atlantic Stock
  STRIPED DOLPHIN (Stenella coeruleoalba): Western North Atlantic Stock
  SPINNER DOLPHIN (Stenella longirostris): Western North Atlantic Stock
  BOTTLENOSE DOLPHIN (Tursiops truncatus): Western North Atlantic Coastal Stock
  BOTTLENOSE DOLPHIN (Tursiops truncatus): Gulf of Mexico Continental Shelf Edge and Continental Slope Stock
  BOTTLENOSE DOLPHIN (Tursiops truncatus): Western Gulf of Mexico Coastal Stock
  BOTTLENOSE DOLPHIN (Tursiops truncatus): Eastern Gulf of Mexico Coastal Stock
  BOTTLENOSE DOLPHIN (Tursiops truncatus): Gulf of Mexico Bay, Sound, and Estuarine Stocks
APPENDIX IV. West Indian manatees stock assessments - Florida and Antilles stocks
INDEX

ACKNOWLEDGMENTS

The authors wish to acknowledge contributions by the Northeast Fisheries Science Center (NEFSC) Fishery Sampling Branch, Dana Hartley, NMFS Northeast Stranding and Disentanglement Program, Blair Mase, NMFS Southeast Stranding and Disentanglement Program. Also, we acknowledge advice and comments provided by: Jon Gibson, Richard Merrick and Fred Serchuk; Diane Borggaard, Pat Gerrior, Brian Hopper, and Kim Thounhurst (Northeast Regional Office); Steven Swartz (Southeast Fisheries Science Center); Kyle Baker, Katie Moore and Kathy Wang (Southeast Regional Office); Tom Eagle of the NMFS Office of Protected Resources; Solange Brault, Robert Kenney, Bill Lang, James Mead, Daniel Odell, Andrew Read, Richard Seagraves, Randall Wells and Sharon Young of the Atlantic Scientific Review Group, and Gary Stenson of the Canadian Department of Fisheries and Oceans, St. John’s, Newfoundland. We also thank the Marine Mammal Commission for its constructive comments and advice.