Last edited by Nale
Monday, July 13, 2020 | History

3 edition of Aerial surveys of bowhead whales, north slope, Alaska found in the catalog.

Aerial surveys of bowhead whales, north slope, Alaska

Aerial surveys of bowhead whales, north slope, Alaska

final report : Fall 1979

  • 196 Want to read
  • 22 Currently reading

Published by Naval Ocean Systems Center in San Diego, Calif .
Written in English

    Subjects:
  • Bowhead whale -- Alaska.

  • Edition Notes

    StatementD.K. Ljungblad, M.F. Platter-Rieger, F.S. Shipp, Jr. ; prepared for Bureau of Land Management.
    SeriesTechnical document / Naval Ocean Systems Center -- 314., Technical document (United States. Naval Ocean Systems Center) -- 314.
    ContributionsPlatter-Rieger, M. F., Shipp, F. S., United States. Bureau of Land Management., Naval Ocean Systems Center (U.S.)
    The Physical Object
    FormatMicroform
    Paginationii, 181 p.
    Number of Pages181
    ID Numbers
    Open LibraryOL15481260M

    ++ Department of Wildlife Management, North Slope Borough, Barrow, Alaska, , USA. Contact e-mail: [email protected] ABSTRACT Aerial photographic surveys were conducted near Point Barrow, Alaska, from 12 April to 6 June in , from 18 April to 7 June in , and from September , and in the Bering Sea, Alaska. Alaska State Marine Mammal: Bowhead Whale This robust and powerful baleen whale measures up to 18 meters in length and weighs about tons per meter (60 feet long, one ton per foot). When it surfaces to breathe a V-shaped spout issues from twin blowholes at the peak of its massive head, a head that is powerful enough to break through a foot.

    This book identifies accumulated environmental, social and economic effects of oil and gas leasing, exploration, and production on Alaska's North Slope. Economic benefits to the region have been accompanied by effects of the roads, infrastructure and activies of oil and gas production on the terrain, plants, animals and peoples of the North Slope. The bowhead whale (Balaena mysticetus) is a species of baleen whale belonging to the family Balaenidae and the only living representative of the genus is the only baleen whale endemic to the Arctic and subarctic waters. Bowheads are named after their characteristic massive triangular skull, which is used to break through Arctic ice. Other common names of the species are the.

      This story appears in the December issue of National Geographic magazine.. On the North Slope of Alaska, the culture of the Inupiat centres on whales. Each spring, men and women spend weeks on the tuvaq—the ice near the water—watching for bowhead whales migrating north from the Bering Sea to the Canadian one is spotted, a team pushes an umiak onto the water. Bowhead Whale Distribution and Relative Abundance Bowhead Whale (Balaena mysticetus) Distribution and Relative Abundance in the Alaskan Arctic, Summer and Autumn Megan Ferguson1*, Janet Clarke2, Amelia Brower 1, Cynthia Christman, Stephanie Grassia 1, Amy Kennedy, Brenda Rone1, and Rebecca Shea1 1National Marine Mammal Laboratory, Alaska Fisheries Science Center, NMFS, .


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Aerial surveys of bowhead whales, north slope, Alaska Download PDF EPUB FB2

Aerial phtography of bowhead whales near Barrow, Alaska, during the spring migration. Presented to the 64th International Whaling Commission. SC/64/BRG Mocklin, J., et al. Update on the bowhead whale aerial abundance spring survey (BAASS) photoanalysis. Presented to the 66th International Whaling Commission.

SC/66a/BRG Bowhead Whale Aerial surveys of bowhead whales Census; Aerial Survey and Photo-Identification A year in the life of an Arctic whale scientist Read Peter Lourie's book about Craig George and his work on bowhead whales in Barrow, Alaska.

This book is written for upper elementary grades but works through junior high and older as well. The North Slope Borough is. Aerial surveys of bowhead whales bowhead whale hunt is an essential cultural and subsistence tradition for the Inupiat of Alaska's North Slope.

It dates back at least 1, years, and annual harvests can supply families with Author: Nat Herz. The “perch,” which from which rotating shifts of observers look for whales as part of the North Slope Borough’s bowhead whale census, Ap like aerial surveys.

One is actually. Aerial Surveys of Arctic Marine Mammals. The Aerial Surveys of Arctic Marine Mammals (ASAMM) project documents the distribution, abundance, and behavior of bowhead whales and other marine mammals in areas of potential oil and natural gas exploration and development in the Alaskan Arctic.

We work with other institutions to observe trends in sea ice cover within bowhead whale habitats. Aerial photographic surveys for bowhead whales were conducted near Point Barrow, Alaska, from 19 April to 6 June in Approximately 4, photographs containing 6, bowhead whale images were obtained (not accounting for resightings).

The field season was very successful: we flew 36 out of 49 available days and conducted 49 flights in that time; we were grounded due to weather on Alaska Canada Point J.C. George, North Slope Borough, Barrow, AK).

The most recent ice-based abundance estimate, in(CV = ) (updated from George et al. by Zeh and Punt ). Bowhead whales were identified from aerial photographs taken in andand the results were used in a sight-resight.

Biologist Craig George of the North Slope Borough said recent data indicates the Hudson Bay stock is showing signs of growth and may now number close to 1, whales. Bowheads in Alaska waters are faring the best of all.

In recent decades the Bering-Chukchi-Beaufort sea stock has been growing at a rate of three-and-a-half percent a year. If whales don’t arrive soon, “we’re going to go hungry,” one hunter said.

Sabrina Shankman. BY SABRINA SHANKMAN. A bowhead whale spotted by observers on Oct. 29, Normally, thousands of the whales would be moving along Alaska’s northern coast in October, but that hasn’t happened this year. Bowhead whales should be an Endangered Species Act success story. Following the prohibition of commercial whaling, its population rebounded.

But, the introduction of oil development off the North Slope of Alaska created a new and dire threat, seriously. Aerial photographs of bowhead whales taken during the spring of near Barrow, Alaska, were examined to determine if yearling (to month-old) whales could be distinguished from year.

Observations of Bowhead Whale Foraging Near Barrow, Alaska, in Support the Krill Trap Model MB Online. Spatio-temporal Distribution of Bowhead Whales off Barrow, AK MB Online. Modeling Western Arctic Bowhead Whale High-use Areas in the Western Beaufort Sea, MB Online.

A bowhead whale spotted by observers on Oct. 29, Normally, thousands of the whales would be moving along Alaska's northern coast in October, but that hasn't happened this year.

The bowhead whale hunt is an essential cultural and subsistence tradition for the Inupiat of Alaska’s North Slope. It dates back at least 1, years, and annual harvests can supply families. 1 Department of Wildlife Management, North Slope Borough, Utqiaġvik, AK USA (village), and dates of landed and struck and lost bowhead whales during in Alaska, (2) the.

Craig George, a wildlife biologist for the North Slope Borough’s Wildlife Department, weighs, measures, and catalogs samples from a recently-landed bowhead whale on Oct.

24, The project is a collaboration between the Alaska Department of Fish and Game, the North Slope Borough, the Alaska Eskimo Whaling Commission and the Whaling Captains’ Associations of the whaling villages, the Department of Fisheries and Oceans Canada, and the Greenland Institute of.

Bowhead Whales in Alaska. Bowhead whales received their name because of their high, arched lower jaw that looks like the archer's bow. They are dark black, brown or. Gray whales were not seen south of Hanna Shoal during aerial surveys conducted inalthough sightings were made during the Chukchi Sea Environmental Studies Program (CSESP) ship.

The fall whaling season is a critical time for crews across the North Slope that rely on their catches to put away food for the winter.

through the Aerial Surveys of Arctic Marine Mammals. The Bering Sea stock of bowhead whales is the species' only population that exists in significant numbers, despite previous commercial whaling. Bowheads weigh in at around 75 tons and grow to lengths of 66 feet.

Their current population is placed at o animals.The bowhead whale hunt is an essential cultural and subsistence tradition for the Inupiat of Alaska's North Slope.

It dates back at least 1, years, No Bowhead Sightings Yet For Alaskan Whalers. The stock that migrates off Alaska's coast is estimated to be more t whales, said an official with the North Slope Borough's wildlife department said this spring.