Supplemental environmental assessment of the Program for Decreasing or Eliminating Predation of Pre-weaned Hawaiian Monk Seal Pups by Galapagos Sharks in the Northwestern Hawaiian Islands
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Supplemental environmental assessment of the Program for Decreasing or Eliminating Predation of Pre-weaned Hawaiian Monk Seal Pups by Galapagos Sharks in the Northwestern Hawaiian Islands
  • Published Date:

    2010

Filetype[PDF-978.70 KB]


Details:
  • Alternative Title:
    Program for Decreasing or Eliminating Predation of Pre-weaned Hawaiian Monk Seal Pups by Galapagos Sharks in the Northwestern Hawaiian Islands
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  • Description:
    "The purpose of this Supplemental Environmental Assessment (SEA) is for the National Marine Fisheries Service (NMFS) to consider the potential environmental impacts of additional methods which were not included in the March, 2009 Programmatic Environmental Assessment (PEA) of activities to reduce Galapagos shark predation on pre-weaned pups at French Frigate Shoals (FFS). The scope of the proposed research is using an additional fishing method to remove Galapagos sharks, which are preying on pre-weaned pups. The new fishing method would not increase the number of sharks taken, but may increase the chances of successfully removing up to 40 Galapagos sharks over a 2-year period, as analyzed in the PEA. The new method under consideration is a vertical 'surprise net' which is deployed remotely from when the desired target (in this case, Galapagos shark) is within the arc of the net. The activity would be conducted exclusively at FFS. This analysis presents information on the anticipated effects to the physical environment resulting from the proposed activity, as well as potential effects to the biological environment, including marine mammals, sea turtles, Galapagos sharks, other fishes, seabirds, and corals. With mitigation measures in place to prevent seal and turtle entanglements, no significant impacts would occur"--Executive summary (p. 2).
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