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MMS Marine Mammal Survey, PNW 1989-1990

Dataset homepage

Citation

Ford, G. and J. Casey. 2013. MMS Marine Mammal Survey, PNW 1989-1990. Data downloaded from OBIS-SEAMAP (http://seamap.env.duke.edu/dataset/45) on yyyy-mm-dd. https://doi.org/10.15468/py5k5c accessed via GBIF.org on 2025-05-13.

Description

Original provider: Minerals Management Service Dataset credits: Minerals Management Service Abstract: This dataset is from the Oregon and Washington marine mammal and seabird surveys studies: Oregon/Washington aerial [mammal observations] study code: OM, Contract number: 14-12-0001-30426, Principal investigators: G. A. Green, Ebasco Environmental, Bellevue, Washington, M. L. Bonnell and K. T. Briggs, Ecological Consulting, Inc., Portland, Oregon. Time period: April 1989 through October 1990 Study area: Pacific Ocean waters of Oregon and Washington from the coast to approximately 60 nautical miles offshore. Methodology: Aerial surveys were conducted along 32 pre-established transects designed to systematically sample marine mammal and seabird abundance in all waters of the study area. Coastal surveys and one shelf break survey were also conducted. Standard transects provided systematic coverage of shelf, slope, and offshore waters in the study area. Sightings of seabirds, pinnipeds, cetaceans, and turtles were recorded. Seabird sightings were recorded only on the shaded side of the aircraft within a strip transect of 50 m width. Marine mammal and turtle sightings were recorded within an unbounded corridor. Declination angle was measured and noted for each marine mammal/turtle sightings and later used to calculate a probability density function of frequency with right-angle sighting distance. Navigation was by Loran and VLF-Omega. One ship survey was also conducted from aboard the NOAA ship Miller Freeman during August 1989. Databases produced: 1) sightings of seabirds and marine mammals on 12 aerial surveys and one ship cruise, and 2) sightings of cetaceans on 12 aerial surveys and one ship cruise. Purpose: Objectives of the study were to review and analyze all available literature and databases concerning marine mammal and seabird diversity, distribution, and abundance in the Oregon-Washington coastal and offshore areas, to conduct field surveys over a 18-month period, and to prepare reports summarizing the findings. Supplemental information: [2015-03-24] A few records had a wrong animal count of zero. The value is replaced with an blank representing species presence only.

Purpose

Objectives of the study were to review and analyze all available literature and databases concerning marine mammal and seabird diversity, distribution, and abundance in the Oregon-Washington coastal and offshore areas, to conduct field surveys over a 18-month period, and to prepare reports summarizing the findings.

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. Balaenoptera acutorostrata
    common name: Minke Whale rank: species
  2. Balaenoptera physalus
    common name: Fin Whale rank: species
  3. Berardius bairdii
    common name: Baird's Beaked Whale rank: species
  4. Callorhinus ursinus
    common name: Northern Fur Seal rank: species
  5. Dermochelys coriacea
    common name: Leatherback Sea Turtle rank: species
  6. Coryphaena hippurus
    common name: dolphinfish rank: species
  7. Enhydra lutris
    common name: Sea Otter rank: species
  8. Eschrichtius robustus
    common name: Gray Whale rank: species
  9. Eumetopias jubatus
    common name: Steller Sea Lion rank: species
  10. Grampus griseus
    common name: Risso's Dolphin rank: species
  11. Kogia
    common name: pygmy sperm whales rank: genus
  12. Lagenorhynchus obliquidens
    common name: Pacific White-sided Dolphin rank: species
  13. Cetacea
    common name: cetaceans rank: order
  14. Lissodelphis borealis
    common name: Northern Right Whale Dolphin rank: species
  15. Megaptera novaeangliae
    common name: Humpback Whale rank: species
  16. Mesoplodon
    common name: beaked whales rank: genus
  17. Mirounga angustirostris
    common name: Northern Elephant Seal rank: species
  18. Orcinus orca
    common name: Killer Whale rank: species
  19. Otariidae
    common name: eared seals rank: family
  20. Phoca vitulina
    common name: Harbor Seal rank: species
  21. Phocoena phocoena
    common name: Harbor Porpoise rank: species
  22. Phocoenoides dalli
    common name: Dall's Porpoise rank: species
  23. Physeter macrocephalus
    common name: Sperm Whale rank: species
  24. Caniformia
    common name: pinnipeds rank: suborder
  25. Cetacea
    common name: cetaceans rank: order
  26. Cetacea
    common name: cetaceans rank: order
  27. Zalophus californianus
    common name: California Sea Lion rank: species

Geographic Coverages

Northeastern Pacific Ocean

Bibliographic Citations

Contacts

Janet Casey
originator
position: Primary contact
Janet Casey
email: None
Glenn Ford
originator
position: Primary contact
Glenn Ford
email: eci@teleport.com
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
Janet Casey
owner
position: Primary contact
Janet Casey
email: None
Glenn Ford
owner
position: Primary contact
Glenn Ford
email: eci@teleport.com
Janet Casey
administrative point of contact
position: Primary contact
Janet Casey
email: None
Glenn Ford
administrative point of contact
position: Primary contact
Glenn Ford
email: eci@teleport.com
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