Seabird and cetacean sightings from Cruise SY002 of RV Shoyo Maru, Tropical Atlantic Ocean, Oct. 2000
Institut de Recherche pour le Developpement, Departement des Ressources Vivantes
Borsa, P. 2012. Seabird and cetacean sightings from Cruise SY002 of RV Shoyo Maru, Tropical Atlantic Ocean, Oct. 2000. Data downloaded from OBIS-SEAMAP (http://seamap.env.duke.edu/dataset/729) on yyyy-mm-dd.
Halpin, P.N., A.J. Read, E. Fujioka, B.D. Best, B. Donnelly, L.J. Hazen, C. Kot, K. Urian, E. LaBrecque, A. Dimatteo, J. Cleary, C. Good, L.B. Crowder, and K.D. Hyrenbach. 2009. OBIS-SEAMAP: The world data center for marine mammal, sea bird, and sea turtle distributions. Oceanography. 22(2):104-115.
The international program BETYP on the bigeye tuna (Thunnus obesus) allowed us to board the Japanese research vessel Shoyo Maru. During this mission, the longline vessel was rigged to carry out four crossings of the Atlantic Ocean. The mission conducted from September 28 to October 26, 2000 corresponds to the first that crosses the Atlantic from west to east. The first operation of project THETIS (UR No. 109 of the IRD) is focused on the study of predator-prey relationships. The program will study the food and trophic relationships of tunas and associated species in four regions of the Indian Ocean and three of the Atlantic. The platform of the Shoyo Maru in the Atlantic was a good opportunity to collect stomach contents of fish caught by longline.
For this mission, tissue samples for the study of genetic
populations of some species have been collected. Observations of cetaceans and seabirds were also conducted.
An additional sea turtle, Caretta caretta was captured on a longline set for tuna, but the exact time and coordinates of that observation were not available.
Records that had an estimated count of “plusieurs” were given a conservative count of “2.” When an estimated range of animals was sighted, the median value (rounded down) was used as the observed count; when a minimum number of animals was recorded, the minimum number was used as the observed count (i.e., >100 = 100 animals).
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Attributes described below represent those in the original dataset provided by the provider.
This section explains attributes included in the original dataset. OBIS-SEAMAP restricts the attributes available to the public to date/time, lat/lon and species names/counts only. Should you need other attributes described here, you are encouraged to contact the data provider.
Attributes in dataset provided
|Rays and sharks||0|
|Latitude||8.27 - 21.38|
|Longitude||-78.77 - -24.83|
|Coord. prec.||6 decimal digits|
|Data type||Animal sighting|
|Sharing policy||CC-BY-NC (Minimum)|
|Also availalbe from||iOBIS|
|See metadata in static HTML|
|See metadata in FGDC XML|
|See download history / statistics|