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PRACTICING PRECAUTION and ADAPTIVE MANAGEMENT ...

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VII. Appendix B2002 <strong>and</strong> 2003 Documents LinkagesThe following tables show the year-over-year linkages between the major sections of the StockStatus Reports for cod <strong>and</strong> haddock in 4X5Y for 2002 <strong>and</strong> 2003, as well as for the content of theFRCC Recommendations Reports for 2002/2003 <strong>and</strong> 2003/2004.Stock Status Report for Haddock – 2002 <strong>and</strong> 2003HeadingYear over year linkageThe FisheryGraph: L<strong>and</strong>ings <strong>and</strong> TAC (000s t) – Consistent & updatedGraph: Commercial weight at age (kg) - Consistent & updatedIndustry Perspective Text is consistent & updatedResource StatusSources of UncertaintyGraph : Survey Age 4+ Mean Weight /Tow (kg) – Consistent &updatedAbundance of ages 4+ - Consistent & updatedAge Structure – “The # of above average yearclasses in the researchvessel survey ages 4-10 is a measure of age structure. This may not bethe best indicator of age structure because it is insensitive to therelative contribution of older ages within the age distribution, whichare thought to have a higher reproductive potential. Further research isrequired in this area.” (Both years state the same text. However,there’s no mention in 2003 whether this research is being carriedout)Graph: RV survey Age Structure (# of above average ages) -Consistent & updatedRecruitment: Consistent & updatedGraph: Survey Recruitment Index - Consistent & updatedGraph: RV survey area occupied - Consistent & updatedGraph: RV survey local density - Consistent & updatedMean length at age <strong>and</strong> mean weights at age - Consistent & updatedGraph: RV survey Growth rate - Consistent & updatedGraph: RV survey Fish Condition - Consistent & updatedGraph: RV survey Total mortality - Consistent & updatedGraph: Relative F - Consistent & updatedSPA : Recruitment - Consistent & updatedGraph: Spawning Stock Biomass (000 t) <strong>and</strong> Recruitment (millions) -Consistent & updatedSpawning Stock Biomass (4+) - Consistent & updatedExploitation rate –2002: Exploitation rate on ages 5-7 dropped again in 2000 & 2001.2003: Exploitation rate on ages 5-7 dropped again in 1999.Graph: F Ages 5-7 - Consistent & updatedGraph: In 2002 Biomass (t) Ages (2-10)In 2003 Biomass (t) Ages (4-10) not consistentDan E. Lane – Setting TACs in the 4X5Y Cod <strong>and</strong> Haddock Fisheries D-128

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