SWFSC Marine Mammal Survey, CCES 2018, Cruise 1651

NOAA Southwest Fisheries Science Center (SWFSC)

Dataset credit

NOAA Southwest Fisheries Science Center (SWFSC)

Contacts

RoleNameOrganization 
Primary contact Jeffrey Moore Southwest Fisheries Science Center, NOAA
Data entry Ei Fujioka Duke University

Citation

Abstract

N/A

Purpose

CCES = California Current Ecosystem Survey
Objective: Joint survey for coastal pelagic fish stock, cetaceans and seabirds, to
update fish and cetacean stock assessments and study spatial predator-prey
relationships.
Vessel: NOAA Ship Reuben Lasker.
Study area: waters off the west coasts of southern Canada (Vancouver Island),
U.S., and northern Mexico (Baja California).

Supplemental information

SWFSC MMTD Cruise Number: 1651
Perpendicular distance is not publicly available. Please contact the data provider
if needed.

Attribute descriptions for effort data:
dist: Length of the segment (km)
Mode: Effort mode type (C = closing mode; P = passing mode)

References

Attributes

Overview

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 described below represent those in the original dataset provided by the provider.
Only minimum required attributes are visible and downloadable online. Other attributes may be obtained upon provider's permission.

Attributes in dataset

Attribute (table column)Description
oidUnique ID number (generated by OBIS-SEAMAP)
eventS = marine mammal sighting; t = sea turtle sighting; p = pinniped sighting
datetimeDate and time of sighting (local time)
latLatitude (decimal degrees) of vessel when sighting was made
lonLongitude (decimal degrees) of vessel when sighting was made
cruiseSWFSC Marine Mammal and Turtle Divison Cruise number
sightnoSighting number (within Cruise)
nspNumber of species observed in the sighting
mixedTRUE for a multi-species sighting (nSp >= 2); FALSE otherwise (nSp = 1)
spcodeSpecies code
sp_tsnTaxonomic Serial Number added by OBIS-SEAMAP
gsspbestThe mean of all observers
gssphighThe mean of all observers
gssplowThe mean of all observers
perpdistkmPerpendicular distance (km) to sighting from trackline
bftBeaufort sea state, as assessed by looking upswell with the naked eye.
swellhghtAverage swell height from trough to crest of typical swells (estimated in feet, by eye)
visA measure of air/atmospheric clarity
groupsize_sightnoRunning count ID of all cetacean groups recorded (should be same as SightNo)
groupsize_countNumber of observers that provided a group size estimate (for calculating GsSpBest) for S events.
groupsize_count_obsNumber of unique observer codes per sighting for S events
geomGeometry field added by OBIS-SEAMAP
OBIS-SEAMAP ID2147
Seabirds0
Marine mammals2,299
Sea turtles34
Rays and sharks0
Other species0
Non spatial1
Non species0
Total2,334
Date, Begin2018-06-28
Date, End2018-12-03
Temporal prec.111111
Latitude27.40 - 50.62
Longitude-129.10 - -114.52
Coord. prec.6 decimal digits
PlatformBoat
Data typeAnimal sighting
EffortYES (ID: 2148)
Traveled (km)12,967
Effort hours709
Contr. through
Registered2021-04-13
Updated2021-04-30
StatusPublished
Sharing policy CC-BY-NC (Minimum)
Also available in OBIS
GBIF (via DOI)
See metadata in static HTML
See metadata in FGDC XML
See download history / statistics