Dataset

Sightings from R/V Song of the Whale during the spring 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 spring cruise in Apr/May 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 spring 2019 MAPS survey (NMFS permit 14809). Version 1.0.0. Dataset published in OBIS-SEAMAP. https://doi.org/10.82144/67657910.

Published: October 08, 2025 at 12:41

First registration: April 09, 2021 at 18:40

License: This work is licensed under a Creative Commons Attribution Non Commercial (CC-BY-NC) 4.0 License

URL: http://ipt.env.duke.edu/resource?r=zd_2001

Contacts:

Oliver Boisseau
Song of the Whale team, MCR International

189
total submitted occurrences
189
accepted occurrences
24
taxa
16
species

Taxa

Missing and invalid fields

Field Missing Invalid
maximumDepthInMeters 189
100.0%
minimumDepthInMeters 189
100.0%

Quality flags

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

Flag Dropped Records
NO_DEPTH 189
100.0%
ON_LAND 3
1.6%

Measurement types

DNA derived data