Data Processing and Reporting:

Common reporting issues
Issue: Catches recorded in columns with no species names, or with #NA values.
Possible reasons: Species names not fully entered, or entered incorrectly. Or file name
• saved as Excel workbook (macro functionality lost).
LLTU
GI
GI
HL
HL
HL
LLTU
LLSW
LLTU
LLTU
LLTU
LLTU
BS
GI
FISHERY
WIO
WIO
WIO
WIO
WIO
WIO
WIO
WIO
WIO
WIO
WIO
WIO
WIO
WIO
AREA SKJ
Katsuwo nus pelamis
BLM
M akaira indica
COM
Sco mbero mo rus
56
1
3
15
49
5
7
5
28
5
1353
1290
224
1341
2800
ALB
Thunnus alalunga
3
BET
Thunnus o besus
1049

Common reporting issues
Issue: Spreadsheet functionality not working correctly, e.g., drop-down menus, access to species reference tables or code tables.
• Possible reasons: Macros have been lost during file save. Ensure workbook is saved as
‘Excel 97-2003 Workbook’ or as ‘Excel Macro-Enabled Workbook’.

Common reporting issues
Issue:
• Inconsistency between completed fields for ‘Data source’, ‘Data processing’ and
• ‘Type of data’
• Example: Type of data: ‘Raised to total catch’, Coverage: ‘Statistics not raised’, Data processing: ‘Total enumeration of catch-and-effort’.

Common reporting issues
• Issue: data submitted as .pdf rather than machine readable. Data is timeconsuming to extract and difficult to ensure values have been converted to
• machine-readable format correctly.

Common reporting issues
• Issue: Catch-and-effort or size-frequency data submitted at the wrong spatial resolution, or grid codes entered incorrectly.
• Recall that IOTC statistics shall be aggregated by using 5° grid area (longline) (grid size 6) or 1°grid area (surface fishery) for catch-and-effort; 5° grid area for sizefrequency (grid size 5).
Example 7 digits code
(1)
(2)
(1)
(2)
6100050
6205040
5104088
5200095
Grid
Size
6
6
5
5
1
2
2
1
Quadrant
Degrees
Latitude
0 0
0 5
0 4
0 0
0
0
0
0
Degrees
Longitude
5
4
0
0
8
9
8
5

Common reporting issues
• Incomplete information –
 Missing species names entered or names entered in the wrong columns
At the minimum, English (or French) AND scientific name need to be added
 No target species entered
 No information on data coverage or data source, raising of data, or catch estimation methodology.

Common reporting issues
IOTC grid reference format –
• Issue: Grid references entered incorrectly, or incomplete.
•
• Grids references follow 7 digit format:
Quadrant (1 digit) – Grid size (1 digit) – Latitude (2 digits) – Longitude (3 digits)
• Coordinates refer to the corner nearest to 0 Latitude and 0 Longitude (upper left or right corner in Southern Hemisphere, and lower left or right corner in Northern
Hemisphere).
Grid size
1 o
by 1 o
5 o
by 5 o
5 o
by 10 o
10 o
by 20 o
10 o
by 10 o
20 o by 20 o
Code
1
2
3
5
6
4
Grid
6250080
Size of Grid Quadrant
6 2
Latitude
50
Longitude
080
5 by 5 grid Quadrant 2 50 Degrees E 80 Degrees S

Common reporting issues
4
3
1
2

Data reporting checklist
Completion of IOTC forms
1.
Contact details are entered correctly.
2.
Species names are completed and entered in the correct columns. English (or
French) AND scientific name need to be added for all new species.
3.
Target species is entered (as much as possible).
4.
Data processing and data source are fully completed, and consistent.
5.
Multiple tick-boxes and drop-down menus for raised data are correctly selected.
Data resolution
Data is fully reported at the minimum resolution levels detailed in IOTC guidelines:
• Nominal catch: retained catches reported in live weight by IOTC Area (East or West
IO), species, and fishery (gear type).
• Discards: numbers or live weight
• Catch-and-effort: catch by numbers or live weight reported by month 1° (surface) or 5° (longline) grid square.
• Length-frequencies: reported by month and 5° grid square.
• Active crafts: total no. of fishing craft by fishery (gear type), craft type, and craft size.
File formats:

Data reporting checklist
IMPORTANT: use of IOTC forms for the reporting of fisheries data is not obligatory.
Countries are encouraged to report data in other formats, provided that the data reported meet the minimum data requirements set out in the IOTC Guidelines.
File formats:
• IOTC forms: check completed IOTC data forms are saved as ‘Excel 97-2003 format’, or ‘Excel Macro Enabled Workbook’ format (under File > Save As)
• Non-IOTC forms: Data is submitted to the IOTC Secretariat in machine readable format (e.g., .xls, .csv, .dbf) rather than .pdf format

Data reporting checklist
IMPORTANT: use of IOTC forms for the reporting of fisheries data is not obligatory.
Countries are encouraged to report data in other formats, provided that the data reported meet the minimum data requirements set out in the IOTC Guidelines.
File formats:
• IOTC forms: check completed IOTC data forms are saved as ‘Excel 97-2003 format’, or ‘Excel Macro Enabled Workbook’ format (under File > Save As)
• Non-IOTC forms: Data is submitted to the IOTC Secretariat in machine readable format (e.g., .xls, .csv, .dbf) rather than .pdf format