10.82144/0539c404 807a28cf-7dd6-4a99-8dad-06c07d22d824 https://seamap.env.duke.edu/dataset/46 76187bd3-740d-4000-b466-b9793e5d7cbb zd_46 JanetCaseyJanet CaseyPrimary contact unknown@dummy.com GlennFordGlenn FordPrimary contact eci@teleport.com OBIS-SEAMAP Marine Geospatial Ecology Lab, Duke University

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seamap-contact@duke.edu https://seamap.env.duke.edu distributor JanetCaseyJanet CaseyPrimary contact unknown@dummy.com ownerGlennFordGlenn FordPrimary contact eci@teleport.com owner 2026-04-28 eng 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 [birds and mammals] study code: OP, 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. OccurrenceGBIF Dataset Type Vocabulary: http://rs.gbif.org/vocabulary/gbif/dataset_type.xmlObservationGBIF Dataset Subtype Vocabulary: http://rs.gbif.org/vocabulary/gbif/dataset_subtype.xml Marine BiologyVisual sightingMarine Animal SurveyMarine mammalsSeabirdsSea turtlesVesselVisual Sighting N/A This work is licensed under a Creative Commons Attribution Non Commercial (CC-BY-NC) 4.0 License. https://seamap.env.duke.edu/dataset/46 Northeastern Pacific Ocean -126.8132 48.3968 48.3968 42.0709 1989-04-23 1990-10-03 Scientific names are based on the Integrated Taxonomic Information System (ITIS). speciesAechmophorus occidentalisWestern grebe familyAlcidaeMurres genusBalaenopteraBaleen whales speciesBalaenoptera physalusFin whale speciesBerardius bairdiiBaird's beaked whale speciesBrachyramphus marmoratusMarbled murrelet speciesCallorhinus ursinusNorthern fur seal suborderCaniformiaPinnipeds speciesCepphus columbaPigeon guillemot speciesCerorhinca monocerataRhinoceros auklet orderCetaceaCetaceans speciesChroicocephalus philadelphiaBonaparte's gull orderCiconiiformesCiconiiformes speciesDermochelys coriaceaLeatherback sea turtle genusDiomedeaAlbatrosses subclassElasmobranchiiCartilaginous fishes speciesEnhydra lutrisSea otter speciesEschrichtius robustusGray whale speciesEumetopias jubatusSteller sea lion speciesFratercula cirrhataTufted puffin speciesFratercula corniculataHorned puffin speciesFulmarus glacialisNorthern fulmar genusGaviaLoons speciesGavia immerCommon loon speciesGavia stellataRed-throated loon speciesGrampus griseusRisso's dolphin speciesHydroprogne caspiaCaspian tern speciesLagenorhynchus obliquidensPacific white-sided dolphin familyLaridaeGulls genusLarusGulls speciesLarus argentatusHerring gull speciesLarus californicusCalifornia gull speciesLarus delawarensisRing-billed gull speciesLarus glaucescensGlaucous-winged gull speciesLarus heermanniHeermann's gull speciesLarus occidentalisWestern gull speciesLissodelphis borealisNorthern right whale dolphin speciesMegaptera novaeangliaeHumpback whale genusMelanittaScoters speciesMelanitta fuscaVelvet scoter speciesMelanitta nigraBlack scoter speciesMelanitta perspicillataSurf scoter genusMesoplodonBeaked whales speciesMirounga angustirostrisNorthern elephant seal speciesMola molaOcean sunfish speciesOceanodroma furcataFork-tailed storm petrel speciesOceanodroma leucorhoaLeach's storm petrel speciesOrcinus orcaKiller whale speciesPelecanus occidentalisBrown pelican genusPhalacrocoraxCormorants speciesPhalacrocorax pelagicusPelagic cormorant speciesPhalacrocorax penicillatusBrandt's cormorant genusPhalaropusPhalaropes speciesPhalaropus fulicariusRed phalarope speciesPhalaropus lobatusRed-necked phalarope speciesPhoca vitulinaHarbor seal speciesPhocoena phocoenaHarbor porpoise speciesPhocoenoides dalliDall's porpoise speciesPhoebastria immutabilisLaysan albatross speciesPhoebastria nigripesBlack-footed albatross speciesPhyseter macrocephalusSperm whale speciesPrionace glaucaBlue shark genusProcellaria familyProcellariidaeFulmars / petrels / shearwaters speciesPterodroma inexpectataMottled petrel speciesPtychoramphus aleuticusCassin's auklet speciesPuffinus bulleriBuller's shearwater speciesPuffinus creatopusPink-footed shearwater speciesPuffinus griseusSooty shearwater speciesPuffinus tenuirostrisShort-tailed shearwater speciesRissa tridactylaBlack-legged kittiwake genusStercorariusJaegers speciesStercorarius longicaudusLong-tailed jaeger speciesStercorarius maccormickiSouth polar skua speciesStercorarius parasiticusParasitic jaeger speciesStercorarius pomarinusPomarine jaeger genusSternaTypical Terns speciesSterna paradisaeaArctic tern speciesSynthliboramphus antiquusAncient murrelet speciesUria aalgeCommon murre speciesXema sabiniSabine's gull speciesZalophus californianusCalifornia sea lion 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. notPlanned JanetCaseyJanet CaseyPrimary contact unknown@dummy.com GlennFordGlenn FordPrimary contact eci@teleport.com NA NA NA JanetCaseyownerGlennFordowner NA 2026-04-28T11:28:14-04:00 dataset Ford, G. and J. Casey. 2020. MMS Aerial Survey, PNW 1989-1990. Version 2.0.0. Dataset published in OBIS-SEAMAP. https://doi.org/10.82144/0539c404. Green, G. A., J. J. Breuggeman, C. E. Bowlby, R. A. Grotefendt, M. L. Bonnell, and K. T. Balcomb, III. 1991. Cetacean distribution and abundance off Oregon and Washington, 1989-1990. Final Report prepared by Ebasco Environmental, Bellevue, WA, and Ecological Consulting, Inc., Portland, OR, for the Minerals Management Service, Pacific OCS Region. OCS Study MMS91-0093. 100 pp. OBIS-SEAMAP Dataset Page UTF-8 Interactive map https://seamap.env.duke.edu/dataset/46 FGDC Metadata UTF-8 XML https://seamap.env.duke.edu/dataset/46/fgdc EML Metadata UTF-8 XML https://seamap.env.duke.edu/dataset/46/eml OBIS-SEAMAP zd_46 zd_46