Wgbfas 2009
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SPRAT IN SD 22-32. WGBFAS 2009. Update Assessment. WGBFAS 2009. SPRAT IN SD 22-32. INPUT DATA Landings: 380.500 t in 2008, 2 % less than 2007 TAC: 454.500 t in 2008 (79% utilization) Misreporting: Problem of catches in mixed fisheries

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WGBFAS 2009

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Wgbfas 2009

SPRAT IN SD 22-32

WGBFAS 2009

Update Assessment


Sprat in sd 22 32

WGBFAS 2009

SPRAT IN SD 22-32

INPUT DATA

Landings: 380.500 t in 2008, 2 % less than 2007

TAC:454.500 t in 2008 (79% utilization)

Misreporting:Problem of catches in mixed fisheries

Discards: Observed when strong year-classes recruit to the fishery, but no information

CANUM: Combined by country, SD and quarter

WECA = WEST:Combined by country, SD and quarter

MATPROP: Constant throughout the time series

NATMOR: 2005, 2006, 2007 MSVPA from 2005 / 2008 SMS


Sprat in sd 22 321

WGBFAS 2009

SPRAT IN SD 22-32


Sprat in sd 22 322

WGBFAS 2009

SPRAT IN SD 22-32

STOCK SUMMARY


Sprat in sd 22 323

WGBFAS 2009

SPRAT IN SD 22-32

XSA FINAL RUN:

RETROSPECTIVE ANALYSIS

Scattered estimates

SSB overestimated

F underestimated (3 yc only)

Recruitment more consistent.


Sprat in sd 22 324

WGBFAS 2009

SPRAT IN SD 22-32

COMPARISON WITH PREVIOUS ASSESSMENT


Sprat in sd 22 325

WGBFAS 2009

SPRAT IN SD 22-32

Short term forcast with Fsq


Sprat in sd 22 326

WGBFAS 2009

SPRAT IN SD 22-32

Conclusions


Sprat in sd 22 327

WGBFAS 2009

SPRAT IN SD 22-32


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