Draft Marine Mammal Stock Assessment Reports

NOAA Fisheries annually prepares marine mammal stock assessment reports. Drafts of these reports are made available for public review and comment before finalizing.

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The 2017 Draft Marine Mammal Stock Assessment Reports are now available for public comment.

  • Alaska Draft Marine Mammal Stock Assessments (Download File PDF, 176 pages)
  • U.S. Atlantic and Gulf of Mexico Draft Marine Mammal Stock Assessment (Download File PDF, 349 pages)
  • U.S. Pacific Draft Marine Mammal Stock Assessment (Download File PDF, 182 pages)

NOAA Fisheries prepares marine mammal stock assessment reports (SARs) annually, as directed by the Marine Mammal Protection Act. The reports are prepared in consultation with one or more of three regional Scientific Review Groups (SRGs) and are released as Draft SARs for public review and comment before being finalized.

NOAA Fisheries currently tracks 246 stocks of marine mammals with Stock Assessment Reports, 66 revised reports representing 74 stocks were updated for 2017.

In these 2017 draft reports, three stocks (Hawaii pelagic false killer whale and California/Oregon/Washington Cuvier’s and mesoplodont beaked whales) changed in status from “strategic” to “non-strategic,” and one changed in status from “non-strategic” to “strategic” (Gulf of Maine humpback whale).  Strategic Stock is defined by the MMPA as a marine mammal stock—

  • for which the level of direct human-caused mortality exceeds the potential biological removal level;
  • which, based on the best available scientific information, is declining and is likely to be listed as a threatened species under the ESA within the foreseeable future; or
  • which is listed as a threatened or endangered species under the ESA, or is designated as depleted under the MMPA.
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