4 Matching Results

Search Results

Results: 1 - 4
open access

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

Description: 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. In… more
Date: September 1989
Creator: Becker, Brenda L.; Morrow, Robert J. & Leialoha, Julia K.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

The Hawaiian Monk Seal on Laysan Island, 1983

Description: This report describes data collected during an observational study on the Hawaiian monk seal on Laysan Island during April 23 to July 21 1983. The data collected is on population size, reproduction, and factors affecting survival of the endangered species. There is also a description of a "mobbing" by adult males, resulting in death of a subadult female; the haul out of seals on the south ledge; and the transport of a juvenile male to Honolulu to initiate a captive research program.
Date: March 1989
Creator: Alcorn, Doris J. & Buelna, Elizabeth K.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Species Profiles: Life Histories and Environmental Requirements of Coastal Vertebrates and Invertebrates Pacific Ocean Region, Report 1, Green Turtle, Chelonia mydas

Description: Abstract: Species profiles are literature summaries of the taxonomy, morphology, distribution, life history, and environmental requirements of aquatic species. They are designed to assist in environmental impact assessments. The green turtle, Chelonia mydas, is found throughout the Pacific Ocean region. Its status is listed as endangered by the International Union for Conservation of Nature and Natural Resources and as threatened in the U.S. Endangered Species Act and is included in Appendix 1 … more
Date: July 1989
Creator: Forsyth, Robert G. & Balazs, George H.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Population Monitoring of the Hawaiian Monk Seal, Monachus schauinslandi, Female Pups at Kure Atoll, 1987

Description: This is a report over an observational study on the population of the Hawaiian monk seal collected at Kure Atoll from March 24 to October 6 1987. This study focuses primarily on the female pups of Green Island and Sand Island.
Date: March 1989
Creator: Reddy, Michelle L.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
Back to Top of Screen