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SWFSC Marine Mammal Survey, Delphinus 2009, Cruise 1640

Dataset homepage

Citation

Moore J, OBIS-SEAMAP (2022). SWFSC Marine Mammal Survey, Delphinus 2009, Cruise 1640. Version 1.7. OBIS-SEAMAP. Occurrence dataset https://doi.org/10.15468/xgmtvb accessed via GBIF.org on 2023-06-01.

Description

Original provider: NOAA Southwest Fisheries Science Center (SWFSC) Dataset credits: NOAA Southwest Fisheries Science Center (SWFSC) Abstract: The 2009 "Ecosystem Survey of Delphinus Species" research survey focused on the two species of common dolphin, Delphinus delphis and D. capensis, found off southern California, USA, and Baja California, Mexico. The primary objective was to provide information to improve conservation and management plans for these species. The project used a multidisciplinary approach. For both Delphinus species, data were collected to estimate abundance, pregnancy and birth rates, timing of reproduction, gene flow, and contaminant concentrations. Oceanographic data were collected to characterize habitat, and data on distribution and abundance of seabirds, prey fishes, and squids were collected to further characterize the ecosystem in which these dolphins live. Photographs of dolphin schools were taken from a NOAA Twin Otter aircraft while the survey was being conducted. The aerial photographs will provide count and measurement data to calibrate observer estimates of school size and to estimate timing of reproduction and birth rates. This research will facilitate understanding population demography of these species in an ecosystem framework. Essential information about the primary focal species, D. capensis, will greatly increase our knowledge about this coastal species and the geographic extent of a Mexico-U.S. transboundary stock. For additional information about the Delphinus cruise, please see http://swfsc.noaa.gov/prd-delphinus.aspx. Purpose: The primary objectives of the 2009 Delphinus ecosystem cruise were (1) to characterize the distribution, habitat and reproductive characteristics of long- and short-beaked common dolphins, and (2) to improve non-lethal sampling techniques for studying reproduction in wild, free-ranging cetaceans. Supplemental information: [2021-04-13] Updated with additional attributes. SWFSC MMTD Cruise Number: 1640 Perpendicular distance will be released upon permission by the contributor. Please contact the contributor if needed. Attribute descriptions for effort data: dist: Length of the segment (km) Mode: Effort mode type (C = closing mode; P = passing mode)

Purpose

The primary objectives of the 2009 Delphinus ecosystem cruise were (1) to characterize the distribution, habitat and reproductive characteristics of long- and short-beaked common dolphins, and (2) to improve non-lethal sampling techniques for studying reproduction in wild, free-ranging cetaceans.

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. Stenella longirostris orientalis
    rank: subspecies
  2. Stenella coeruleoalba
    common name: Striped Dolphin rank: species
  3. Steno bredanensis
    common name: Rough-toothed Dolphin rank: species
  4. Delphinus capensis
    common name: Long-beaked Common Dolphin rank: species
  5. Delphinus delphis
    common name: Short-beaked Common Dolphin rank: species
  6. Delphinidae
    common name: dolphins rank: family
  7. Tursiops truncatus
    common name: Common Bottlenose Dolphin rank: species
  8. Stenella attenuata
    common name: Pantropical Spotted Dolphin rank: species
  9. Grampus griseus
    common name: Risso's Dolphin rank: species
  10. Lagenorhynchus obliquidens
    common name: Pacific White-sided Dolphin rank: species
  11. Lissodelphis borealis
    common name: Northern Right Whale Dolphin rank: species
  12. Delphinidae
    common name: dolphins rank: family
  13. Globicephala macrorhynchus
    common name: Short-finned Pilot Whale rank: species
  14. Orcinus orca
    common name: Killer Whale rank: species
  15. Phocoena phocoena
    common name: Harbor Porpoise rank: species
  16. Phocoenoides dalli
    common name: Dall's Porpoise rank: species
  17. Physeter macrocephalus
    common name: Sperm Whale rank: species
  18. Phocoenidae
    common name: porpoises rank: family
  19. Hyperoodontidae
    rank: family
  20. Delphinus
    common name: common dolphins rank: genus
  21. Ziphius cavirostris
    common name: Cuvier's Beaked Whale rank: species
  22. Berardius bairdii
    common name: Baird's Beaked Whale rank: species
  23. Balaenoptera
    common name: baleen whales rank: genus
  24. Balaenoptera acutorostrata
    common name: Minke Whale rank: species
  25. Balaenoptera edeni
    common name: Eden's whale rank: species
  26. Balaenoptera physalus
    common name: Fin Whale rank: species
  27. Balaenoptera musculus
    common name: Blue Whale rank: species
  28. Megaptera novaeangliae
    common name: Humpback Whale rank: species
  29. Cetacea
    common name: cetaceans rank: order
  30. Cetacea
    common name: cetaceans rank: order
  31. Cetacea
    common name: cetaceans rank: order
  32. Stenella attenuata
    common name: Pantropical Spotted Dolphin rank: species
  33. Cetacea
    common name: cetaceans rank: order
  34. Cetacea
    common name: cetaceans rank: order
  35. Balaenoptera
    common name: baleen whales rank: genus
  36. Arctocephalus townsendi
    common name: Guadalupe Fur Seal rank: species
  37. Caretta caretta
    common name: Loggerhead Sea Turtle rank: species
  38. Callorhinus ursinus
    common name: Northern Fur Seal rank: species
  39. Lepidochelys olivacea
    common name: Olive Ridley rank: species
  40. Mirounga angustirostris
    common name: Northern Elephant Seal rank: species
  41. Caniformia
    common name: pinnipeds rank: suborder
  42. Otariidae
    common name: eared seals rank: family
  43. Cheloniidae
    common name: Sea Turtles rank: family
  44. Phocidae
    common name: earless seals rank: family
  45. Zalophus californianus
    common name: California Sea Lion rank: species

Geographic Coverages

Pacific,California Current,California,Mexico,Gulf of California

Bibliographic Citations

Contacts

Jeffrey Moore
originator
position: Primary contact
Southwest Fisheries Science Center, NOAA
email: jeff.e.moore@noaa.gov
homepage: https://www.fisheries.noaa.gov/west-coast/science-data/california-current-marine-mammal-assessment-program
OBIS-SEAMAP
metadata author
Marine Geospatial Ecology Lab, Duke University
A328 LSRC building
Durham
27708
NC
US
email: seamap-contact@duke.edu
homepage: https://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: https://seamap.env.duke.edu
Jeffrey Moore
owner
position: Primary contact
Southwest Fisheries Science Center, NOAA
email: jeff.e.moore@noaa.gov
homepage: https://www.fisheries.noaa.gov/west-coast/science-data/california-current-marine-mammal-assessment-program
Jeffrey Moore
administrative point of contact
position: Primary contact
Southwest Fisheries Science Center, NOAA
email: jeff.e.moore@noaa.gov
homepage: https://www.fisheries.noaa.gov/west-coast/science-data/california-current-marine-mammal-assessment-program
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