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

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COUNTRY: Italy GSA: GSA 11 Overview of the survey Survey title Mediterranean International Trawl Survey Survey code MEDITS Country ITALY Institute in charge DBAE-UNICA Area Period Season of the survey GFCM GSA N 11o Main objective Complementary objective Gear details Area Sampling design Species recorded Data management Quality control General objectives of the survey. Types of information collected during the survey Possible additional work Describe the gear. If possible, add a plan of the sampling gear and its rigging Describe in detail the area, including minimum and maximum depth Describe the number of hauls and the method used to select the sampling locations Indicate the number and main groups of species recorded (e.g. all fish, crustaceans, etc.) Describe the data storage method Indicate the types of quality control applied to the survey (on protocol application, gear design, data, etc.) Position of hauls (Medits 2006) 22
Overview of the series Period Vessel Type of vessel (R/V or C/V) Gear No. Tows planned No. Valid hauls June-August 1994 Nuovo Splendore C/V GOC73 123 118 May-July 1995 Nuovo Splendore C/V GOC73 123 107 June-August 1996 Nuovo Splendore C/V GOC73 123 125 June-August 1997 Nuovo Splendore C/V GOC73 123 126 May-July 1998 Nuovo Splendore C/V GOC73 123 123 May-July 1999 Nuovo Splendore C/V GOC73 123 123 May-July 2000 Nuovo Splendore C/V GOC73 123 121 June-July 2001 Nuovo Splendore C/V GOC73 123 122 July-August 2002 Nuovo Splendore C/V GOC73 99 99 June-July 2003 Nuovo Splendore II C/V GOC73 99 99 June-July 2004 Gisella C/V GOC73 99 95 June-July 2005 Gisella C/V GOC73 99 97 June-July 2006 Gisella C/V GOC73 99 98 Comments 23
Page 1 and 2: 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
Page 15 and 16: Roberto CARLUCCI Department of Zool
Page 17 and 18: Giuseppe LEMBO COISPA Tecnologia &
Page 19 and 20: Abdellah SROUR GFCM Deputy Executiv
Page 21: Position of hauls Spring 2005 Fall
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 and 68: Mean total mortality Spawning stock
Page 69 and 70: Haddock SSB trends from raw survey

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