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1. Progress on the integrated stock assessment by CASAL for Antarctic toothfish Dissostichus mawsoni in Subarea 48.6

   mawsoni at the research block 48.6_2, as a test run for integrated assessment model for stock assessment ... modeling of migration. Author(s):  K. Sawada and T. Okuda Title:  Progress on the integrated stock ... Consent:  No Delegation responsibility for releasing documents:  Japan ...

   Meeting Document : WG-FSA-2019/21 : Autor(es): K. Sawada and T. Okuda

2. Seabird mortality and the Falkland Islands trawling fleet

   from the waters surface, and are subsequently hauled onboard. In over 600 observed hauls in 2001-03 no ... , trawling and hauling operations for 157 days onboard finfish trawlers in the Falkland Islands in 2002/03 ... recorded on the Patagonian Shelf, north of the Islands. Birds were killed after being dragged underwater by ... the warp cable, while feeding on factory discharge at the stern of the vessel. An unknown proportion ...

   Meeting Document : WG-FSA-03/91 : Autor(es): B.J. Sullivan, T.A. Reid, L. Bugoni and A.D. Black (United Kingdom)

3. Distribution of krill as a fraction of Antarctic zooplankton within the South Sandwich Islands area in summer 2000

   Abstract:  The paper covers the-results of an acoustic estimation of distribution for krill and ... non-krill zooplankton within the area of South Sandwich Islands that has been obtained with multy ... -frequencies algorithms according to the data on survey by Russian vessel ATLANTIDA under CCAMLR Survey-2000 ... compared. It has been showed that within the field locations occupied by waters of the Weddell Sea and ...

   Meeting Document : WG-EMM-00/50 : Autor(es): S.M. Kasatkina and A.P. Malyshko (Russia)

4. Trials with net monitoring cable during the 2017/18 and 2018/19 seasons onboard FV Saga Sea

   Abstract:  This paper describes trials with a net monitoring cable on board FV Saga Sea. The ... solution as described in the permit for using a third cable was abandoned at an early stage, as it was ... operable only when using one trawl behind the vessel. Trawling from the two beams caused practical ... and procedures for their three vessels. Accordingly, Saga Sea has introduced the same trawl rigging as ...

   Meeting Document : WG-EMM-2019/16 : Autor(es): O.R. Godø

5. A preliminary assessment for mackerel icefish (Champsocephalus gunnari) in Division 58.5.2, based on results from the 2019 random stratified trawl survey

   Abstract:  The annual random stratified trawl survey was undertaken in Division 58.5.2 in the ... , abundance and yield in Division 58.5.2 to the west of 79 o 20’ E using standard CCAMLR methods (CMIX and ... Generalized Yield Model). The 2019 survey showed a large 2+ and 3+ cohort in the population. Catches of 527 t ... in the 2019/20 season and 406 t in the 2020/21 season, respectively, satisfied the CCAMLR decision ...

   Meeting Document : WG-FSA-2019/02 : Autor(es): D. Maschette, G. Nowara and D. Welsford

6. Preliminary insights of Antarctic toothfish sub-adults life-history traits from the southern Weddell Sea (Subarea 48.5)

   Abstract:  A few sub-adults of the Antarctic toothfish (Dissostichus mawsoni) were collected by ... bottom trawling carried out by the RV Polarstern in the southern Weddell Sea (Subarea 48.5) (PS82, ANT ... -XXIX/9, 19 December 2013- 5 March 2014). Fishes were caught on the shelf and slope off the Riiser ... toothfish sub-adults life-history traits from the southern Weddell Sea (Subarea 48.5) Microsoft Word File ...

   Meeting Document : WG-FSA-18/06 : Autor(es): M. La Mesa, F. Donato and E. Riginella

7. Summary of incidental mortality associated with fishing activities collected in scientific observer and vessel data during the 2019 season

   during fishing activities undertaken during the 2019 season. A short report is also detailed on a large ... seal morality event which occurred at the end of the 2018 season. Incidental mortality numbers for ... longline fisheries in which seabird mortalities have been reported are presented with the data from ... observers and vessel supplied data. Based on data received up to 8 October 2019, the extrapolated total ...

   Meeting Document : WG-FSA-2019/16 Rev. 2 : Autor(es): CCAMLR Secretariat

8. Exploratory analysis of acoustic data from the Ross Sea

   files), the file was corrupted (1 file), or the longline was lost so there were no corresponding catch ... Abstract:  This report presents results from a pilot study to determine the feasibility of ... conducting acoustic surveys for toothfish and rattails in the Ross Sea. Acoustic data were collected using a ... Simrad ES60 38 kHz echosounder on the New Zealand commercial longliner FV Janas during the 2002–03 ...

   Meeting Document : WG-FSA-SAM 03/9 : Autor(es): R.L. O’Driscoll and G.J. Macaulay (New Zealand)

9. Evaluation on the performance of echosounder on a fishing vessel using maximum seabed backscattering

   Abstract:  The performance of echo sounder system is critical for using acoustic data collected ... evaluate the potential to use seabed backscattering as an alternative way to the standard sphere ... calibration. The largest inter-annual difference of the mean value of the maximum seabed backscattering (S v ... , respectively. However, ANOVA analysis indicated that there was no significant difference among years at both ...

   Meeting Document : SG-ASAM-18/06 : Autor(es): X. Wang, X. Yu and X. Zhao

10. CALIBRATION ERROR IN THE AMLR PLANKTON TIME SERIES

    of rotor counts from the flow meters showed no significant trends. The discrepancy in volume is ... Abstract:  Analysis of the time series of the volume of water filtered during tows using a 1.8 m ... Isaac-Kidd Midwater Trawl (IKMT) from 1992 to 2007 showed a marked decline (~35%) in the volume of water ... traced to a simple arithmetic error in the calculation of the mouth area of the net. Since 2000, the net ...

    Meeting Document : WG-EMM-08/19 : Autor(es): C. Reiss (USA)

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