Dataset

DFO Gulf Region Snow Crab Research Trawl Surveys 2010-2020

OBIS Canada Open in mapper Explore occurrences

This dataset contains trawl survey data used primarily for assessing the status of snow crab stocks in the southern Gulf of St. Lawrence.

Citation: Wade, E.J. 2011. DFO Gulf Region Snow Crab Research Trawl Surveys. Version 1. In OBIS Canada Digital Collections. Bedford Institute of Oceanography, Dartmouth, NS, Canada. Published by OBIS, Digital http://www.iobis.org/. Accessed on –INSERT DATE

Published: March 30, 2022 at 15:05

URL: http://ipt.iobis.org/obiscanada/resource?r=dfo_gulf_snowcrabsurveys_2010_2020

Marcel Hébert
Fisheries and Oceans Canada

Denis Gagnon
Fisheries and Oceans Canada

Tobie Surette
Fisheries and Oceans Canada

47,103
occurrence records
171
taxa
128
species

Taxa

Missing and invalid fields

Field Missing Invalid
coordinateUncertaintyInMeters 47,103
100.0%
decimalLatitude 61
0.1%
decimalLongitude 61
0.1%
eventDate 47,103
100.0%
maximumDepthInMeters 61
0.1%
minimumDepthInMeters 61
0.1%
occurrenceStatus 160
0.3%
scientificName 17,462
37.1%

Quality flags

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

Flag Dropped Records
DEPTH_EXCEEDS_BATH 190
0.4%
LAT_OUT_OF_RANGE 61
0.1%
LON_OUT_OF_RANGE 61
0.1%
NO_COORD 61
0.1%
NO_DEPTH 61
0.1%

Measurement types

DNA derived data