Lamont-Doherty Earth Observatory
LGL Limited - Environmental Research Associates
National Science Foundation
Holst, M., O. Lee and H. Smith. 2014. Lamont-Doherty/LGL/NSF cruises. Data downloaded from OBIS-SEAMAP (http://seamap.env.duke.edu/dataset/511) 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.
Marine geophysical seismic research funded by the NSF includes a marine mammal and sea turtle monitoring and mitigation program. Protected Species Observers record all instances of marine mammals and turtles observed during surveys and while in transit to the survey site. The sightings data are also provided in 90 day reports available online here.
Sightings data are collected as part of a marine mammal and sea turtle monitoring program during academic seismic surveys.
When the number of animals sighted was not available, it was filled with '1' to be conservative and noted in the Notes field. When the number of animals sighted was a range, the lower estimate was used to be conservative and noted in the Notes field. When the time was not available, it was filled with '00:00:00' and noted in the Notes field.
7/27/2011: This dataset was updated to include additional sightings and effort.
8/3/2011: Effort data were updated to fix transects crossing 180/-180 degrees longitude.
3/7/2012: Sightings were corrected and updated.
L-DEO, LGL and NSF. 2003-2008. Marine mammal and sea turtle monitoring during Lamont-Doherty Earth Observatory and NSF marine seismic surveys.
Holst, M. and M.A. Smultea. 2008. Marine mammal and sea turtle monitoring during Lamont-Doherty Earth Observatory's marine seismic program off Central America, February – April 2008. LGL Rep. TA4342-3. Report from LGL Ltd., King City, Ont., for Lamont-Doherty Earth Observatory of Columbia University, Palisades, New York, and National Marine Fisheries Service, Silver Spring, Maryland.
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||-20.80 - 89.14|
|Longitude||6.74 - 356.87|
|Coord. prec.||6 decimal digits|
|Data type||Animal sighting|
|Effort||YES (ID: 512)|
|Sharing policy||CC-BY (All)|
|Also availalbe from||iOBIS|
|See metadata in static HTML|
|See metadata in FGDC XML|
|See download history / statistics|