Dataset

DFO Gulf Region Snow Crab Research Trawl Surveys

OBIS Secretariat 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. OBIS Canada Digital Collections. OBIS Canada, Bedford Institute of Oceanography, Dartmouth, Nova Scotia, Canada, Version 1, Digital, retrieved from http://iobis.org/.

URL: http://ipt.obis.org/nonode/resource?r=dfo_gulf_snowcrabsurveys

Government of Canada Department of Fisheries and Oceans (DFO)
Government of Canada Department of Fisheries and Oceans (DFO)

Government of Canada; Department of Fisheries and Oceans Bedford Institute of Oceanography (DFO-BIO)
Government of Canada; Department of Fisheries and Oceans Bedford Institute of Oceanography (DFO-BIO)

OBIS Secretariat
Intergovernmental Oceanographic Commission of UNESCO

35,007
occurrence records
33
taxa
32
species

Taxa

Missing and invalid fields

Field Missing Invalid
coordinateUncertaintyInMeters 35,007
100.0%
maximumDepthInMeters 82
0.2%
minimumDepthInMeters 35,007
100.0%
occurrenceStatus 35,007
100.0%

Quality flags

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

Flag Dropped Records
NO_DEPTH 82
0.2%
DEPTH_EXCEEDS_BATH 15
0.0%

Measurement types

DNA derived data