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Swedish Board of Fisheries

Swedish Board of Fisheries. Swedish Board of fisheries structure. WHY KARLSKRONA?. Institute of Marine Research was founded 1991 after Government decision: Importance of Baltic are for Swedish Fishery (90% av fishingzone and 70% of the catch comes from the Baltic).

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Swedish Board of Fisheries

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  1. Swedish Board of Fisheries Havsfiskelaboratoriet, Karlskrona

  2. Swedish Board of fisheries structure Havsfiskelaboratoriet, Karlskrona

  3. WHY KARLSKRONA? Institute of Marine Research was founded 1991 after Government decision: Importance of Baltic are for Swedish Fishery (90% av fishingzone and 70% of the catch comes from the Baltic) Havsfiskelaboratoriet, Karlskrona

  4. EU Data Collection Regulation (DCR) Council Regulation (EC) No 199/2008 Commission Regulation (EC) 665/2008 Havsfiskelaboratoriet, Karlskrona

  5. Swedish fishing fleet 1564 fishing vessels and 1880 licensed fishermen Pelagic (trawl/seine) e.g. herring/sprat, mackerel, blue whiting, sandeel, vendace Demersal (trawl) e.g. gadoids, witch flounder, shrimp, Norway lobster Passive gear (gillnets, fyke-nets, longlines, creels) e.g. cod, herring, salmon, eel, plaice, flounder, turbot, perch, pike, pike-perch, Norway lobster Havsfiskelaboratoriet, Karlskrona

  6. Baltic Mainly small trawlers <24 m pelagic and demersal Passive gears mainly gillnet and longlines Havsfiskelaboratoriet, Karlskrona

  7. Sampling of Cod per ICES SD Havsfiskelaboratoriet, Karlskrona

  8. Swedish Cod Fishery april 1996-2003 Swedish Cod Fishery april 2007 Havsfiskelaboratoriet, Karlskrona

  9. 1 1 2 2 Combined sampling 3 3 4 4 5 5 Discard Discard Gear type Passive gear (gillnet) Active gear (eg Trawl) Cod Havsfiskelaboratoriet, Karlskrona

  10. Ageing by analyzing Cod otoliths Havsfiskelaboratoriet, Karlskrona

  11. Transversal cut of Cod otolith – 3 years old Havsfiskelaboratoriet, Karlskrona

  12. Stock assessment – workflow Sampling commercial fisheries Loggbooks Sales slip Surveys: R/V ARGOS Length measurments Otolith samples Total catch per age group ICES Working group –International Co-operation Biological advice Negotiations Total allowable catch (TAC) Havsfiskelaboratoriet, Karlskrona

  13. FISK POPULATIONS MODELL Recruitment Natural mortality Population Biomass Fishery mortality Growth Immigration Emigration Havsfiskelaboratoriet, Karlskrona

  14. Osäkerheten i beräkningen minskar bakåt i modellen Stock assessment by VPA Virtual population analysis? 2001 2002 2003 2004 2005 1 2 3 ? 4 . . 10+ Havsfiskelaboratoriet, Karlskrona

  15. Antal fiskar per åldersgrupp i fångsten Längdmätning (många) Åldersbestämning (få) ”Nyckel” Ålder Längd (cm) 1 2 3 4 5 ----- 10+ 36 38 40 42 44 46 48 50 Havsfiskelaboratoriet, Karlskrona

  16. 5+ 4 3 2 2 3 3 Fishery dependent data vs Scientific Surveys Havsfiskelaboratoriet, Karlskrona

  17. Havsfiskelaboratoriet, Karlskrona

  18. Torsk beståndets utveckling Ö Bornholm Havsfiskelaboratoriet, Karlskrona

  19. EU management plan for E Baltic Cod • Goal Fishing mortality F=0,3 • Maximum allowed increase of TAC annually 15% until goal is reached • Maximum allowed decrease in TAC 10% until goal is reached Havsfiskelaboratoriet, Karlskrona

  20. Havsfiskelaboratoriet, Karlskrona Figure 8.4.2.1 Cod in Subdivisions 25 to 32. Landings, fishing mortality, recruitment, and SSB.

  21. Östersjötorsk (SD25-32) Scenario with F(status quo)=0,5 Havsfiskelaboratoriet, Karlskrona

  22. Östersjötorsk (SD25-32) Scenario enligt förvaltningsplan max ökning 15% Landings 2010 ~ 56t tonnes Havsfiskelaboratoriet, Karlskrona

  23. Thank you! Havsfiskelaboratoriet, Karlskrona

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