Censuses and Interatoll Movements of the Hawaiian Monk Seal on Laysan Island, 1985

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Abstract: Research on the Laysan Island population of the endangered Hawaiian monk seal, Monachus schauinslandi, was conducted from 2 march to 30 November 1985. census totals excluding pups ranged from 76 to 147, an average increase of nearly 20 animals from the 1984 census results. Overall monthly haul-out distribution for all seals showed highest use in the north ecological unit followed by the west unit. Relatively few animals hauled out in the eastern and southern portions of the island. Interatoll movement of nine seals was documented, resulting in a net increase of three animals to the Laysan Island population.

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[31] p. : ill., tables ; 28 cm.

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Becker, Brenda L.; Morrow, Robert J. & Leialoha, Julia K. September 1989.

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Abstract: Research on the Laysan Island population of the endangered Hawaiian monk seal, Monachus schauinslandi, was conducted from 2 march to 30 November 1985. census totals excluding pups ranged from 76 to 147, an average increase of nearly 20 animals from the 1984 census results. Overall monthly haul-out distribution for all seals showed highest use in the north ecological unit followed by the west unit. Relatively few animals hauled out in the eastern and southern portions of the island. Interatoll movement of nine seals was documented, resulting in a net increase of three animals to the Laysan Island population.

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[31] p. : ill., tables ; 28 cm.

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  • Report No.: NOAA-TM-NMFS-SWFC-135
  • Accession or Local Control No: NOAA_Tech_Memo_135
  • Archival Resource Key: ark:/67531/metadc1050044

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Technical Report Archive and Image Library

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  • September 1989

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  • March 1, 2018, 4:42 p.m.

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Becker, Brenda L.; Morrow, Robert J. & Leialoha, Julia K. Censuses and Interatoll Movements of the Hawaiian Monk Seal on Laysan Island, 1985, report, September 1989; United States. (https://digital.library.unt.edu/ark:/67531/metadc1050044/: accessed June 12, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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