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1. Investigation of bias in the mark–recapture estimate of toothfish population size at South Georgia

   fish ended up was calculated by incrementally moving them along the chain in the direction indicated ... recaptured after 1, 2, 3, 4 and 5 years (40, 41, 12, 5 and 2% of 165 fish respectively). Tags recaptured ... years (with zero mortality), and examining the results after this time to see if the test slope ... . After all four events have occurred in time step t–1, there will be Gk,t tagged fish alive in the water ... Paper Title:  Investigation of bias in the mark–recapture estimate of toothfish population size at ... South Georgia Abstract / Description:  This paper investigates the influence of mixing of fish, and the ... uneven distribution of tag placements and recapture effort, on bias in the Petersen estimator of ... population size. It does so by constructing a spatial model of the South Georgia toothfish fishery ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 47–63 : Author(s): Agnew, D.J., G.P. Kirkwood, J. Pearce and J. Clark

2. New Zealand: Review of the Ross Sea region stock assessment

   -recapture data 36 • Use up to 6 years at liberty in the model – After 6 years at liberty the estimated ... • CM 91-05: maximum 3157 t (don’t ask why) – After two years limit would be 3268 t Likelihood ... tagged fish might get fished: might create a small bias in 2019, which will increase after ...

   Document : Site Section: Meetings

3. Analyses of acoustic line-transect data from the waters around South Georgia: estimation of krill (Euphausia superba Dana) – biomass

   the acoustic parameter mean volume backscattering strength (MVBS). 226 At the end of each section various ... section. The CTD profiles collected at either end of a section allowed an estimate of the mean ... . This is not unreasonable as the transecting was delayed for station sampling at the end of each section. The next three ... " '..::::--- -~~ .' /-";''''''~ "- "',---j' /((~~~:=~--'--- J'---- .. ----- ----- -----"' ... --- -~ ---~-. ~ __ ~_ * ___ 1000 .. ~ .--- --,,- End- Figure 1: The realised survey track around the island of South Georgia ... Paper Title:  Analyses of acoustic line-transect data from the waters around South Georgia ... of zooplankton stocks in the waters around South Georgia was carried out during November and December ... 1981. The data have been analysed using various definitions of strata. The total biomass in the area of ... estimate of mean density throughout the region of 11.7 tonnes km-2. Although the estimate of the mean is ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 225–243 : Author(s): Murphy, E., I. Everson and A. Murray

4. Results of a longline survey on seamounts in the southeast Atlantic and in Subarea 48.6 and Division 58.4.4

   3 750 7 500 3 750 3 750 7 500 3 750 7 500 3 750 1 500 Time Start End 1833 1924 1901 ... 4.34 0.07 Subarea 48.6 Hauling Time Start End 0400 1410 0420 1000 0740 1205 0553 0955 ... 42.02 89 47.34 17 9.04 1 0.53 2 1.06 Depth Start End 810 1 935 1679 738 727 1 084 1 825 ... S Start End 48'11.894' 47'12,183' 47'10.738' 47O12.802' 48O10.982' 48"11.012' 48'06.348' 48'07.557 ... Paper Title:  Results of a longline survey on seamounts in the southeast Atlantic and in Subarea ... October and 1 December 1997, and several seamounts were surveyed to the south of Africa: close to the ... Antarctic Polar Front (Meteor Bank) and in the CCAMLR region (Shona and Spiess seamounts, the western slope ... the isobaths and in depths down to 1 500-2 000 m. Numerically, catches were dominated by Patagonian ...

   Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 99–116 : Author(s): López Abellán, L.J. and J.F. González Jiménez

5. Physical oceanographic setting of the Siedlecki January 1987, South Shetland Island data set

   the analogy that the South Shetland Island end of the Scotia Front is similar to a continental shelf-slope ... deep water a/S cluster found in the eastern end of the Bransfield Straits falls in the region ... and Pacific circumpolar water, associated with the sharp continental front (or western end of the Scotia ... in Figure 1) and hence are indicative of cross frontal mixing. Figure 8 shows the end-member water columns ... Paper Title:  Physical oceanographic setting of the Siedlecki January 1987, South Shetland Island ... data set Abstract / Description:  In the vicinity of the northern tip of the Antarctic Peninsula, the ... Bransfield Straits and South Shetland Islands, cold polar waters from the Weddell Sea meet warmer circumpolar ... water from the Pacific Ocean. A series of fronts form which are collectively referred to as the Weddell ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 161-184 : Author(s): Gordon, A.L.

6. Target strength studies on Antarctic silverfish (Pleuragramma antarcticum) in the Ross Sea

   of their body and skeleton. The ossification of P. antarcticum begins in the early juvenile stages (size: 45 ... and after each trial and subtracted from the measured data. However, this contribution was negligible ... = 0.56 knots). The mean duration of a haul was 49.7 min (SD = 10.1 min). Immediately after every haul ... of the bone Rv was calculated after Stanton (1989b) (see equa- tion (13)). As there are no measurements ... Paper Title:  Target strength studies on Antarctic silverfish (Pleuragramma antarcticum) in the ... -larvae of P. antarcticum with a total length from 13 to 70 mm, were conducted in the southeast of the ... continental slope and shelf of the Ross Sea at depths from 30 to 120 m, during the Italian expeditions of 1997 ... /98, 2000 and 2004. The regression lines for estimating TS from nine experiments were: TS 38 ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 75–104 : Author(s): Azzali, M., I. Leonori, I. Biagiotti, A. De Felice, M. Angiolillo, M. Bottaro and M. Vacchi

7. Quantification of Southern Ocean phytoplankton biomass and primary productivity via satellite observations and biogeochemical models (submitted to the 2008 Joint CCAMLR-IWC Workshop)

   . March (Figure 7): Productivity begins to decline into winter. The Ross Sea bloom is absent ... , immediately after ice melt and before vertical mixing of Si, while the diatoms rep- resented the mature bloom ... after ice-free water has been sufficiently mixed. There has also been exten- sive work documenting ... satellite observations and biogeochemical models (submitted to the 2008 Joint CCAMLR-IWC Workshop) Abstract ... / Description:  This paper reviews Southern Ocean primary productivity within the framework of satellite remote ... sensing and the development of food-web models. The satellite ocean colour (chlorophyll) data record is ... described, from the Coastal Zone Colour Scanner (CZCS) in the late 1970s through to the Ocean Colour and ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 247–265 : Author(s): P.G. Strutton, N.S. Lovenduski, M. Mongin and R. Matear

8. Measurements of differences in the target strength of Antarctic krill (Euphausia superba) swarms at 38 kHz and 120 kHz

   and VRS made before, during and after the cruise with a built-in hydrophone monitor indicated ... -related error in back-scattering strength after correction was considered to be less than ± 0.5 dB ... Paper Title:  Measurements of differences in the target strength of Antarctic krill (Euphausia ... superba) swarms at 38 kHz and 120 kHz Abstract / Description:  Differences in the target strength of adult ... differences in the mean back-scattering strength of swarms simultaneously insonified at these two frequencies ... in studies off the South Orkneys and Elephant Island in March 1990. Back-scattering strengths at 120 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 75–86 : Author(s): Hampton, I.

9. Draft manual for bottom trawl surveys in the Convention Area

   (diamond, square, other) • Mesh size in cod end (mm) (measurements according to standards set out ... for the haul Start and end position of trawl Method of position fixing (e.g., GPS) Duration of haul ... Description / Abstract:  This is the draft manual as provided in SC-CAMLR-XI, Annex 5, Appendix H ...

   Document : Site Section: Conservation and Management

10. Trawl bag selectivity in the Champsocephalus gunnari fishery

    of experiment. After each haul, size composition and rate of escapement were determined and a full biological ... of the trawl bag was measured after every 10 hauls with the help of a wedge-shaped gauge used in ICNAF ... : 3KcnepHMeHTbl C CHJIOBblM nOKpblTHeM MeWKa TpaJIa (ICSEAF SELDAT, opMa 1). CnHCOK PHCYHKOB BepXH5I5I ... Paper Title:  Trawl bag selectivity in the Champsocephalus gunnari fishery Abstract / Description ... were carried out in June 1990 in the South Georgia area concurrently with trawl surveys as part of the ... main biological and oceanic research program. The results presented here are based on 29 hauls and, due ... to the limited time available for experiments, should be considered as preliminary. L 50% was 24.8 cm ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 295–312 : Author(s): Bidenko, V.G. and I.G. Istomin

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