Compare NAFO 21A & 21B databases

Northwest Atlantic Fisheries Organization (NAFO)

Data stored on the NAFO’s site is stored in the STATLANT 21 database and is served to the user in one of two formats. The differences are explained here package.

Spatial Domain

The NAFO spatial domain “covers a large portion of the Atlantic Ocean, including the 200-mile zones of Coastal States — Canada, Greenland, St. Pierre et Miquelon and USA.”. The R package comlandr focuses on the Northeast United States (NEUS) shown by the fisheries statistcal areas as defined by the Greater Atlantic Regional Fisheries Office (GARFO). The NAFO divisions that map to the NEUS domain are shown in the second panel.

The remainder of this document and all following figures will be based on this smaller area.

Catch by Division

Catch by the USA is reported and stored in the NEFSC databases. Prior to NAFO database comparisons all catch by the USA is removed. Catch from divisions 4X, 5Y, 5Z, 6A, 6B, 6C (NEUS equivalent) area used. Aggregated over Country and Species

21A

21B

Catch by Country

Aggregated over species and division

21A

21B

Catch by Species

Aggregate over division, country

21A

There are 109 species represented.

Species in 21A not in 21B:

x
GREEN CRAB - CRG
DUSKY SHARK - DUS
BASKING SHARK - BSK
SPOTTED WOLFFISH - CAS
NORTHERN WOLFFISH - CAB
SCALLOPS (NS) - SCX

21B

There are 105 species represented

Species in 21B not in 21A

x
BLUE LING - BLI
MULLETS (NS) - MUL

Catch over Time

Aggregated catch over division, country, and species

21A

Years with missing data:

21B

Years with missing data: 2003, 2008, 2009, 2013

Catch assigned to Unknown Divisions

Displayed are the percentage of the total catch that are reported in unknown Divisions

For 21A

For 21B