Catch, effort, location (latitude and longitude), and associated biological data from the Eulachon Migration Study Bottom Trawl surveys on the coast of British Columbia.

Citation: Hodes, V (2021): Eulachon migration bottom trawl surveys. v1. Fisheries and Oceans Canada. Dataset/Samplingevent. http://ipt.iobis.org/obiscanada/resource?r=eulachon_synoptic_surveys&v=1.0

Published: March 23, 2022 at 15:58

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

Melissa Nottingham
Fisheries and Oceans Canada

Vanessa Hodes
Fisheries and Oceans Canada

Lindsay Dealy
Fisheries and Oceans Canada

OBIS Canada node manager
Fisheries and Oceans Canada

19,797

occurrence records

40,528

measurements and facts

206

taxa

157

species

Taxa

Missing and invalid fields

Field	Missing
coordinateUncertaintyInMeters	19,797	100.0%
decimalLatitude	17	0.1%
decimalLongitude	17	0.1%
eventDate	17	0.1%
maximumDepthInMeters	17	0.1%
minimumDepthInMeters	17	0.1%

Quality flags

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

Flag	Records
DEPTH_EXCEEDS_BATH	861	4.3%
NO_COORD	17	0.1%
NO_DEPTH	17	0.1%

Eulachon migration bottom trawl surveys

Taxa

Missing and invalid fields

Quality flags

Measurement types

DNA derived data