Dataset

NEFSC Harbor Porpoise 1991

OBIS-SEAMAP Open in mapper Explore occurrences

Original provider: NOAA Northeast Fisheries Science Center (NEFSC) Dataset credits: National Marine Fisheries Service Abstract: The ship survey was performed from 22 July 1991 to 30 August 1991 to estimate the abundance and spatial distribution of harbor porpoises. The study area, covering approximately 13,300 nm , was from Port Clyde, ME to 2 St. John, New Brunswick over to the Nova Scotian coast, up to Liverpool, Nova Scotia.

Citation
Palka, D. 2013. NEFSC Harbor Porpoise 1991. Version 1.0.0. Dataset published in OBIS-SEAMAP. https://doi.org/10.82144/f095db80.
Published
October 07, 2025 at 20:32
License
To the extent possible under law, the publisher has waived all rights to these data and has dedicated them to the Public Domain (CC0 1.0)

Contacts

Debi Palka
NOAA Northeast Fisheries Science Center

782
total submitted occurrences
782
accepted occurrences
15
taxa
11
species

Taxa

Missing and invalid fields

Field Missing Invalid
coordinateUncertaintyInMeters 782
100.0%
maximumDepthInMeters 782
100.0%
minimumDepthInMeters 782
100.0%

Quality flags

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

Flag Dropped Records
NO_DEPTH 782
100.0%
ON_LAND 2
0.3%

Measurement types

DNA derived data