Groundfish Data Sampled by Trawl (research vessel), Northwest Atlantic Fisheries Organization Division 4T: September survey

Fish abundance and distribution Invertebrate abundance and distribution

Information on the traits, catches, length frequency, and biology of fish caught during the annual trawl surveys carried out by research vessels in September in the southern Gulf of St. Lawrence (Division 4T of the Northwest Atlantic Fisheries Organization). This dataset includes abundance indices and spatial distribution models for commercial and non-commercial groundfish.

Data and resources

mpo_nafo_bottomtrawl_event_1970-2019.csv

Information on NAFO Division 4T data collection events carried out in September from 1970 to the present. The data is structured according to the Darwin Core…

CSV Open
mpo_nafo_bottomtrawl_occurrence_1970-2019.csv

Occurrence data for different species collected when bottom trawls are brought up. The data is structured according to the Darwin Core standard.

CSV Open
mpo_nafo_bottomtrawl_occurrence-emof_1970-2019.csv

Information on the quantities of taxa harvested for each occurrence. The data is structured according to the Darwin Core standard.

CSV Open
mpo_nafo_bottomtrawl_event-emof_1970-2019.csv

Various measurements collected at the different sampling sites (e.g.: Quantity of waste and various objects).

CSV Open
raw_data_opano-trawl-survey.zip

Raw data without formatting and taxonomic updates related to the Darwin Core standard.

ZIP Open

Additional information

Temporal extent	1970-09-07 – ongoing
Vertical extent	0.0 – 0.0 m
Date (creation)	1970-09-07
Status	onGoing
Update frequency	asNeeded
Metadata language	fr
License	Creative Commons Attribution 4.0
Source metadata	ISO 19115 XML
Last updated	2026-07-31
Created	2026-07-31
API	package_show