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SWFSC Marine Mammal Survey, PODS 1992, Cruise 1467
Citation
Mangels, Karl F., and Tim Gerrodette. 1994. Report on cetacean sightings during a marine mammal survey in the Eastern Tropical Pacific Ocean aboard the NOAA Ships McArthur and David Starr Jordan, July 28-November 2, 1992. NOAA-TM-NMFS-SWFSC-200

Access data
Archived data
Availability: Creative Commons License This dataset is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

Description
Data of a line-transect survey designed to make abundance estimates of the central stock of common dolphin, Delphinus delphis, in the eastern Pacific (1992). more

This 1992 line-transect survey was designed to make abundance estimates of the central stock of common dolphin, Delphinus delphis, in the eastern Pacific. This stock of dolphin is taken in the tropical tuna fishery and has suffered a substantial decline. Previous surveys covering larger areas have permitted estimates of abundance, but with low precision. This survey was conducted by the NOAA Southwest Fisheries Science Center aboard NOAA Ships David Starr Jordan and McArthur for a combined total of approximately 32,000 kilometers surveyed from late July to early November 1992. This dataset provides the time-date and geographical coordinates, by species/stock, of all cetaceans detected during the survey, as well as the daily and intra-daily start and end points of the line-transect survey. Purpose The primary purpose of the cruise was to survey the area inhabited by the central stock of common dolphins, and to make an estimate of its absolute abundance in order to assess the impact of the dolphins killed by the United States and international yellowfin tuna purse seine fleet in the eastern tropical Pacific.

Scope
Themes:
Biology > Mammals, Biology > Reptiles
Keywords:
Marine, I, Pacific, Cetacea, Testudines

Geographical coverage
I, Pacific [Marine Regions]

Temporal coverage
28 July 1992 - 1 November 1992

Taxonomic coverage
Cetacea [WoRMS]
Testudines [WoRMS]

Contributors
National Oceanic and Atmospheric Administration; Fisheries Service; Southwest Fisheries Science Center (SWFSC), moredata owner

Related datasets
Published in:
OBIS-SEAMAP: Spatial Ecological Analysis of Megavertebrate Populations, more

Publication
Based on this dataset:
Mangels, K.F.; Gerrodette, T. (1994). Report on cetacean sightings during a marine mammal survey in the Eastern Tropical Pacific Ocean aboard the NOAA ships McArthur and David Starr Jordan, July 28-November 2, 1992. NOAA Technical Memorandum, 200. National Oceanic and Atmospheric Administration, National Marine Fisheries Service, Southwest Fisheries Center: California. iii, 9 + tables + figures + appendix pp., more

Dataset status: Completed
Data type: Data
Data origin: Research: field survey
Metadatarecord created: 2012-11-14
Information last updated: 2015-04-13
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