REPORT OF THE WORKSHOP ON TRAWL SURVEY ... - FAO.org

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Fig. 15. North Sea haddock. Results of XSA runs tuned using individual survey series on their own. SSB and F values in the top r.h. plot are for the terminal year. 68
Haddock SSB trends from raw survey indices and XSA Index relative to 1992-2005 mean 3.5 3 2.5 2 1.5 1 0.5 0 1976 1978 1980 1982 1984 1986 1988 1990 1992 1994 1996 1998 2000 2002 2004 2006 EGFS ScoGFS IBTS XSA SSB Fig. 16. North Sea haddock. Comparison of temporal trends in SSB given by the final XSA run and as given by the raw survey indices for all available ages converted to SSB (including 6+ group in IBTSQ1). Values are standardised to the 1992-2005 mean of each series. The older ScoGFS (pre 1998) and EGFS (pre 1992) are excluded due to lack of compatibility with the more recent series. 69
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REPORT OF THE WORKSHOP ON TRAWL SUR
Page 3 and 4:
Maritime Districts of Ancona and Sa
Page 5 and 6:
Indicators 11. Nine presentations w
Page 7 and 8:
Papaconstantinou C.) Abstract: Abun
Page 9 and 10:
• The use of robust parameters of
Page 11 and 12:
• Identify the data requirements
Page 13 and 14:
Terms of reference • Inventory of
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Roberto CARLUCCI Department of Zool
Page 17 and 18: Giuseppe LEMBO COISPA Tecnologia &
Page 19 and 20: Abdellah SROUR GFCM Deputy Executiv
Page 21 and 22: Position of hauls Spring 2005 Fall
Page 23 and 24: Overview of the series Period Vesse
Page 25 and 26: l’isobathe de 300 m se situe à 2
Page 27 and 28: Annexe I : Schéma de Chalut à cre
Page 29 and 30: Gear details Area Sampling design M
Page 31 and 32: COUNTRY: Serbia and Montenegro GSA:
Page 33 and 34: Data management Quality control We
Page 35 and 36: Position of hauls 46° 41° 36° 31
Page 37 and 38: Fig. 2. Diagram of the rigging. 37
Page 39 and 40: Fig. 4. Drawing of a door Morgère
Page 41 and 42: Overview of the series Period Vesse
Page 43 and 44: estimates against abundance indices
Page 45 and 46: placing a few tows at random within
Page 47 and 48: variation of catch rates did not va
Page 49 and 50: could be treated as separate. Some
Page 51 and 52: egg surveys are carried out, led to
Page 53 and 54: (i.e. ratios Ln (N a+1,y+1 /N a,y )
Page 55 and 56: are each divided into two separate
Page 57 and 58: Pomarede, M., Hillary, R., Kell,L.,
Page 59 and 60: Fig. 2. Station positions of the IB
Page 61 and 62: Fig. 5. Scanmar measurements of hea
Page 63 and 64: Fig. 7. Density distribution of 1-y
Page 65 and 66: Fig. 11. North Sea haddock: Correla
Page 67: Mean total mortality Spawning stock
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REPORT OF THE WORKSHOP ON TRAWL SURVEY ... - FAO.org

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