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SWFSC Marine Mammal Survey, Vaquita 1997, Cruise 1608
Citation
Jaramillo-Legorreta, A. M., L. Rojas-Bracho, and T. Gerrodette. 1999. A new abundance estimate for vaquitas: First step for recovery. Marine Mammal Science. 15(4):957-973. https://marineinfo.org/id/dataset/4888

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

Description
The 1998 Vaquita Abudance Survey was a collaboration between the National Marine Fisheries Service and SEMARNAP’s Instituto Nacional de la Pesca (INP) of Mexico. This line-transect survey was designed to collect data to estimate the abundance of vaquita, or Gulf of California harbor porpoise. The study area was from the northern end of the Gulf of California south to about 30 degrees north latitude in waters less than 100 meters deep. This survey was conducted by the NOAA Southwest Fisheries Science Center aboard the NOAA ship David Starr Jordan for a total of 1,560 kilometers surveyed from mid-August to mid-September 1997. 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. more

The primary objective was to collect data to estimate the abundance vaquita, or Gulf of California harbor porpoise. This dataset is supplemental to the following datasets: SWFSC Marine Mammal Survey, Vaquita 2008, Cruise 1637

Scope
Themes:
Biology > Mammals
Keywords:
Marine/Coastal, ISE, Mexico, California Gulf, Cetacea

Geographical coverage
ISE, Mexico, California Gulf [Marine Regions]

Temporal coverage
5 August 1997 - 18 September 1998

Taxonomic coverage
Cetacea [WoRMS]

Parameter
Occurrence of biota

Contributors
National Institute of Ecology and Climate Change (INECC), moredata creator
National Oceanic and Atmospheric Administration; Fisheries Service; Southwest Fisheries Science Center (SWFSC), moredata creator

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

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