NEFSC Aerial Circle-Back Abundance Survey 2006
NOAA Northeast Fisheries Science Center (NEFSC)

Dataset credit

NOAA Northeast Fisheries Science Center (NEFSC)

Contacts

RoleNameOrganization 
Primary contact Beth Josephson NOAA Fisheries
Secondary contact Debi Palka NOAA Northeast Fisheries Science Center
Data entry Ei Fujioka Duke University

Citation

Abstract

The survey was conducted on the NOAA DeHavilland Twin Otter DHC-6, Series 300 aircraft (N57 RF) from 24 July to 26 August 2006.

The study area extended from New Jersey, USA (74º 20'N 39º 40’W), eastward to the Gulf of St. Lawrence (58º 30'W), and northward to the Bay of Fundy (45º 30'N).

Purpose

The objective of this survey was to describe the habitat of and estimate the abundance of cetaceans and turtles that are in the study area.

Supplemental information

Perpendicular distance to the animal is not publicly available.

References

Attributes

Overview

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

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

Attribute (table column)Description
oidUnique ID number (generated by OBIS-SEAMAP)
cruiseCruise ID
yearYear
monthMonth
dayDay
timeTime of the sighing at local time zone
sightlatLatitude at decimal degrees
sightlonLongitude at decimal degrees
speciesSpecies code
sp_tsnTaxonomic Serial Number added by OBIS-SEAMAP
groupsizeGroup size
transectTransect No.
legLeg
sighting_numberSighting number
beaufortBeaufort sea state
perp_mPerpendicular distance, measured in meters
effortEffort (on/off)
qualityGeneral sighting quality as seen by the port and starboard observers, where the first number is the port observer and the second number is the starboard observer
cloudPercent cloud cover, usually rounded to 10 degrees
glare_magGlare code
geomGeometry field added by OBIS-SEAMAP
OBIS-SEAMAP ID1889
Seabirds0
Marine mammals635
Sea turtles57
Rays and sharks142
Other species309
Non spatial0
Non species0
Total1,143
Date, Begin2006-07-26
Date, End2006-08-26
Temporal prec.111111
Latitude39.74 - 45.17
Longitude-73.96 - -58.78
Coord. prec.2 decimal digits
PlatformPlane
Data typeAnimal sighting
EffortYES (ID: 1890)
Traveled (km)12,198
Effort hours60
Registered2018-10-06
Updated2019-07-23
StatusPublished
Sharing policy CC-BY-NC (Minimum)
Also availalbe from iOBIS
GBIF (planned)
See metadata in static HTML
See metadata in FGDC XML
See download history / statistics
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