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NMML Killer Whale Vessel, Alaska Peninsula 1993

Dataset homepage

Citation

Dahlheim. M.E. 1994. Abundance and distribution of killer whales (Orcinus orca) in Alaska, 1993. Annual report for 1992 to the Office of Protected Resources, NMFS, NOAA, Silver Spring, MD. 28 pp. https://doi.org/10.15468/hhwqwe accessed via GBIF.org on 2025-05-22.

Description

Original provider: National Marine Mammal Laboratory Dataset credits: National Marine Mammal Laboratory Abstract: From 13 July to 24 August, 1993, a part of a larger study, waters off the Alaskan Peninsula were surveyed for killer whales (Orcinus orca) from the NOAA Glorita using line-transect methodology. To provide adequate coverage throughout the area, the study was limited to areas of known killer whale concentrations. The vessel was 44.8 m (147 ft) long and had a bridge height of 8.8 m (29 feet). Purpose: The objectives of this study were as follows: 1) Develop a photographic identification catalogue of each killer whale encountered, and its pod, to determine pod identity, distribution, and movements relative to annual survey effort, 2) Obtain minimum population estimated of killer whales in the southeastern Bering Sea, central/eastern Aleutian Islands, western Gulf of Alaska (including Prince William Sound), and southeastern Alaska, and 3) Establish baseline data for detecting annual changes in abundance. Supplemental information: This dataset and associated effort data were updated on September 8, 2005. Those who downloaded them before that date should renew them.

Purpose

The objectives of this study were as follows: 1) Develop a photographic identification catalogue of each killer whale encountered, and its pod, to determine pod identity, distribution, and movements relative to annual survey effort, 2) Obtain minimum population estimated of killer whales in the southeastern Bering Sea, central/eastern Aleutian Islands, western Gulf of Alaska (including Prince William Sound), and southeastern Alaska, and 3) Establish baseline data for detecting annual changes in abundance.

Sampling Description

Study Extent

NA

Sampling

NA

Method steps

  1. NA

Additional info

marine, harvested by iOBIS

Taxonomic Coverages

Scientific names are based on the Integrated Taxonomic Information System (ITIS).
  1. Phocoenoides dalli
    common name: Dall's Porpoise rank: species
  2. Balaenoptera physalus
    common name: Fin Whale rank: species
  3. Phocoena phocoena
    common name: Harbor Porpoise rank: species
  4. Megaptera novaeangliae
    common name: Humpback Whale rank: species
  5. Orcinus orca
    common name: Killer Whale rank: species
  6. Balaenoptera acutorostrata
    common name: Minke Whale rank: species
  7. Cetacea
    common name: cetaceans rank: order
  8. Cetacea
    common name: cetaceans rank: order

Geographic Coverages

Alaskan Peninsula,Alaska

Bibliographic Citations

Contacts

Kimberly Goetz
originator
position: Primary contact
Duke University
email: ktg4@duke.edu
Janice Waite
originator
position: Primary contact
National Marine Mammal Laboratory
email: Janice.Waite@noaa.gov
OBIS-SEAMAP
metadata author
Marine Geospatial Ecology Lab, Duke University
A328 LSRC building
Durham
27708
NC
US
email: seamap-contact@duke.edu
homepage: http://seamap.env.duke.edu
OBIS-SEAMAP
distributor
Marine Geospatial Ecology Lab, Duke University
A328 LSRC building
Durham
27708
NC
US
email: seamap-contact@duke.edu
homepage: http://seamap.env.duke.edu
Kimberly Goetz
owner
position: Primary contact
Duke University
email: ktg4@duke.edu
Janice Waite
owner
position: Primary contact
National Marine Mammal Laboratory
email: Janice.Waite@noaa.gov
Kimberly Goetz
administrative point of contact
position: Primary contact
Duke University
email: ktg4@duke.edu
Janice Waite
administrative point of contact
position: Primary contact
National Marine Mammal Laboratory
email: Janice.Waite@noaa.gov
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