1. Ministry of Food, Agriculture and Fisheries Danish Institute for Fisheries Research Henrik Degel & Teunis Jansen, Danish Institute for Fisheries Research 2005-WS on FishFrame Baltic Sea Analysis of national vs. FF’s raising procedures

2. Ministry of Food, Agriculture and Fisheries Danish Institute for Fisheries Research Analysis of national vs. FF’s raising procedures FF’s method –Documentation in user manual

3. Ministry of Food, Agriculture and Fisheries Danish Institute for Fisheries Research Diagram from user manual: Two boxes in the bottom are DB tables. White boxes are processes. Grey boxes are outputs + Description of calculations in text

4. Ministry of Food, Agriculture and Fisheries Danish Institute for Fisheries Research Analysis of national vs. FF’s raising procedures Method for comparing –Look at 2004 data for eastern and western Baltic cod –Compare in e.g. excel: Output from pivot report “CANUM” and “Mean weight ”. CANUM and mean weight submission to WG (or updated version) –Quantify differences –Explain differences –Decide if FF’s method is suitable country by country –Look at earlier years if possible –Look at other stocks if possible Herring

5. Ministry of Food, Agriculture and Fisheries Danish Institute for Fisheries Research Analysis of national vs. FF’s raising procedures Status of analysis done at WGBFAS 2005 (From WGBFAS report 2005)

6. Ministry of Food, Agriculture and Fisheries Danish Institute for Fisheries Research Analysis of national vs. FF’s raising procedures Cod data country by country, Herring was not tested “ … ” = “coming soon”, “ * ” = From WGBFAS 2005 CountryYearResult: CANUMResult: Mean weight DifferenceExplainedUse FF in 2006 DifferenceExplainedUse FF in 2006 SWE2004 …… POL*2004 -13 to -28 % √ (oomw, ALK by CC) POL2003 -7 to 13 % … 1 to 11 % … GFR2004 -1 to -3 % … -30 to 5 % … LAT2002 -27 to -106 % No -6 to -11% By C.C. DEN*2004 23-74 % …

7. Ministry of Food, Agriculture and Fisheries Danish Institute for Fisheries Research Analysis of national vs. FF’s raising procedures Do the analysis for country by country… Group work…