Tag and recapture information on cod marked with unique numbered plastic tags. Purpose of the project was for cod stock assessment and research This dataset is the OBIS version of the cod tagging database records. The dataset contains the release and the recapture locations for the tagged fish.

Citation: DFO. 2015. DFO NL: The 1954-1993 Newfoundland cod-tagging database spatial-temporal distributions. 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 29, 2021 at 17:32

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

John Brattey
Fisheries and Oceans Canada

OBIS Canada
Fisheries and Oceans Canada

242,046

occurrence records

741,605

measurements and facts

taxa

species

Taxa

Missing and invalid fields

Field	Missing	Invalid
coordinateUncertaintyInMeters	242,046		100.0%
maximumDepthInMeters	11,331	1,603	5.3%
minimumDepthInMeters	242,046		100.0%

Quality flags

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

Flag	Records
DEPTH_EXCEEDS_BATH	21,938	9.1%
ON_LAND	20,417	8.4%
NO_DEPTH	12,934	5.3%

DFO NL: The 1954-1993 Newfoundland cod-tagging database spatial-temporal distributions

Taxa

Missing and invalid fields

Quality flags

Measurement types

DNA derived data