Dataset

Sightings from R/V Song of the Whale during the winter 2019 MAPS survey (NMFS permit 14809)

OBIS-SEAMAP Open in mapper Explore occurrences

Original provider: Marine Conservation Research Dataset credits: Oliver Boisseau, Marine Conservation Research International Abstract: The dataset contains all sightings of cetaceans and other megafuana made during the MAPS winter cruise in Jan/Feb 2019 (NMFS permit 14809). When conductiong visual effort, two observers were situated either side of R/V Song of the Whale on an observation platform with an approximate eye-height of 5.5 m above sea-level during daylight hours. The observers scanned the trackline and in front of the vessel using naked eye; 7 x 50 binoculars were used to identify species and estimate group size. During periods of bad weather, observers were stationed on deck with an approximate eye-height of 3.5 m above sea-level.

Citation: Boisseau, O. 2019. Sightings from R/V Song of the Whale during the winter 2019 MAPS survey (NMFS permit 14809). Version 1.0.0. Dataset published in OBIS-SEAMAP. https://doi.org/10.82144/d6502547.

Published: October 08, 2025 at 12:41

URL: http://ipt.env.duke.edu/resource?r=zd_1999

Oliver Boisseau
Song of the Whale team, MCR International

64
occurrence records
18
taxa
11
species

Taxa

Missing and invalid fields

Field Missing Invalid
maximumDepthInMeters 64
100.0%
minimumDepthInMeters 64
100.0%

Quality flags

The OBIS data quality flags are documented at https://github.com/iobis/obis-qc.

Flag Dropped Records
NO_DEPTH 64
100.0%

Measurement types

DNA derived data