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Biological Opinion on the Issuance of Incidental Harassment Authorization to Shell for Geophysical Surveys, and Equipment Recovery and Maintenance Activities

June 19, 2013

Biological opinion on the potential effects of open-water seismic and marine surveys, equipment recovery and maintenance activities in the U.S. Chukchi Sea, Alaska during the 2013 Open Water Season on endangered and threatened species and critical habitat.

This opinion considers the effects of the authorization of an Incidental Harassment Authorization (IHA) to take marine mammals by harassment under the MMPA incidental to open-water seismic and marine surveys, equipment recovery and maintenance to Shell in the U.S. Chukchi Sea from July 1 to October 31, 2013. These actions have the potential to affect the:

  • endangered bowhead whale (Balaena mysticetus)
  • endangered fin whale (Balaenoptera physalus)
  • endangered humpback whale (Megaptera novaeangliae)
  • endangered right whale (Eubalaena japonica)
  • endangered western Steller sea lion (Eumatopias jubatus) distinct population segment
  • threatened Arctic subspecies of ringed seal (Phoca hispida hispida)
  • threatened Beringia DPS of bearded seal (Erignathus barbatus barbatus)
  • designated critical habitats for North Pacific right whale and Steller sea lion

NOAA Fisheries PR1 is the federal action agency that issues IHAs and is responsible for ensuring compliance with the terms and conditions of the IHA activities.

Action Agency: National Marine Fisheries Service's Office of Protected Resources - Permits and Conservation Division

NMFS Consultation Number: FIAKR/2013/9281

Last updated by Alaska Regional Office on 04/01/2024

Section 7 Consultation Biological Opinions Bowhead Whale Fin Whale Humpback Whale North Pacific Right Whale Ringed Seal Bearded Seal Steller Sea Lion