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1. Joinville–D’Urville Islands (Subarea 48.1) – a former fishing ground for the spiny icefish (Chaenodraco wilsoni), at the tip of the Antarctic Peninsula – revisited

   wilsoni), formed concentrations. Information on these fishing operations was, however, sparse, being ... was, however, sparse, being restricted to the two seasons (1978/79 and 1979/80) when Polish and GDR vessels ... ), formed concentrations. Information on these fi shing operations was, however, sparse, being restricted ... were reported as being taken by GDR vessels from January to March 1979 (Gubsch and Kuhlmann, 1979 ... (Jones et al., 2001). Absolute fecundity was esti- mated by weighing all oocytes and a subsample ... and Trella, 2001). USSR fi shing vessels from Murmansk and Kaliningrad fi shed in the area in most years ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 1–20 : Author(s): Kock, K.-H., L. Pshenichnov, C.D. Jones, K. Shust, K.E. Skora and Zh.A. Frolkina

2. An index of per capita recruitment

   transformation of R1 to PCR results in PCR being less than R1 at low values and higher than R1 at high values ... recruitment (PCR) is proposed such that where R 1 is the proportion of age-l animals sampled in year y and M ... assumptions that: (i) post-recruit mortality does not vary over age or between years; (ii) 100% of age-l ... age-l animals in the sample can be determined unambiguously. Normal, lognormal and uniform probability ... PCR. Distributions of PCR are skewed toward higher values such that the dynamic range of PCR is ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 179–196 : Author(s): Hewitt, R

3. Methods of age determination for mackerel icefish (Champsocephalus gunnari Lönnberg 1905) from the South Georgia Island shelf

   groups. It is suggested that the determined radii of annual elements of otolith could be used to adjust ... analyzing data on length frequency distribution of fish in catches simultaneously with otolith radii of fish ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 37–49 : Author(s): Frolkina, Zh.A.

4. Integration of CPUE data into assessments using the Generalised Yield Model

   / Description:  For the last three years, CCAMLR's Working Group on Fish Stock Assessment (WG-FSA) has ... CCAMLR Science, Vo l . 8 (2001): 65-74 INTEGRATION ... , the number of years for such projections being specified in the CCAMLR criteria. The abunda~lce ... the median, the abundance from each trajectory is not weighted by a probability of the trajectory being ... of a lack of fit (McAllister and Kirchner, 2001). It is also necessary to check ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 65–74 : Author(s): Kirkwood, G.P. and A.J. Constable

5. Distribution of the Soviet krill fishing fleet in the South Orkneys area (Subarea 48.2) during 1989/90

   1: M ~ C T O H ~ X O X ~ ~ H H ~ COBeTCKHX KpHJIeBbIX TpayJIepOB: (a) BeCb IIpO~b1Cn0~blfi Ce'3OH 1989190 F.; (b) ~ o x 6 p b 1989 ... ground was observed to be stable, and it is considered that the location was determined by certain ... fishing ground off the northwestern tip of Coronation Island. CPUE showed variability with a minimum in ... hydrodynamic characteristics of the area, for example a complex current around the islands together with ... north-east of the region. The fleet was observed drifting with the current together with krill ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 51–62 : Author(s): Sushin, V.A

6. Population genetic structure of Patagonian toothfish in the West Indian Ocean sector of the Southern Ocean

   basins might prevent D. eleginoides mixing (Appleyard et al., 2002). More recently, from over 7 000 ... samples between 2001 and 2003 (Table 1). Exact fi shing locations are not given here due to commercial ... -H (Palumbi et al., 1991) and L16498 (fol- lowing Smith et al., 2001, without the GC clamp). This 1.3 kb ... of Smith et al. (2001). This fragment (approximately 1.1 kb, as in Smith et al. (2001)) was digested ... variation was seen within collections. Comparisons with previously collected genetic data from Heard and ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 21–32 : Author(s): Appleyard, S.A., R. Williams and R.D. Ward

7. Comparison of two methods to assess fish losses due to depredation by killer whales and sperm whales on demersal longlines

   2003 to 31 August 2013, 7 467 longline sets were hauled by the seven longliners operating ... (< 25 individu- als) being responsible for over 80% of all depre- dation events (Tixier et al., 2010 ... addition to providing a methodology that could be used in other areas with depredation issues, these ... conservation issues. However, estimating the amount of resource depredated can be especially challenging when ... tonnes and 739 ± 87 tonnes of Patagonian toothfish respectively were estimated to be depredated by the ... approach, which can only be implemented when a sufficient level of by-catch species occurs, provides ...

   Science Journal Paper : CCAMLR Science, Volume 22 (CCAMLR Science, Volume 22) : 1–14 : Author(s): Gasco, N., P. Tixier, G. Duhamel and C. Guinet

8. Biological parameters for icefish (Chionobathyscus dewitti) in the Ross Sea, Antarctica

   tonnes being caught during the 2005/06 fishing season (CCAMLR, 2008). They are managed by CCAMLR ... was graded using a five-point scale: fresh, slightly digested, advanced digestion, digested and mixed ... in rows of four before being embedded in clear epoxy resin (Araldite K142) and left to cure at 50 ... 2005 and February 2006, with the majority (83%) being col- lected in January 2006. Otoliths collected ... consistent with previous research. Regression equations for converting standard length to total length and ... . Gonad maturity stage data showed that most fish were either immature or resting (mature). Gonadosomatic ... the data. Length-at-maturity and age-at-maturity ogives indicated that 50% of the fish sampled were ... mature at about 340–360 mm total length (TL) and about 3–4 years of age, and that 95% were mature at ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 139–165 : Author(s): Sutton, C.P., M.J. Manning, D.W. Stevens and P.M. Marriott

9. Is current management of the Antarctic krill fishery in the Atlantic sector of the Southern Ocean precautionary?

   , either through active migration or being carried on ocean currents (processes that are collectively ... 2000 23.6 2.7 2001 4.1 36.7 2002 2.2 137.0 2003 16.6 84.6 2004 3.7 26.1 2005 5.9 89.4 2006 ... 1 8 1998 2 7 1999 4 1 2000 2 88 2001 9 14 2002 4 3 2003 2 7 2004 3 21 2005 1 5 2006 ... 1 7 3 0 1 0 1998 2 6 5 1 1 1 1999 6 23 16 1 0 3 2000 2001 11 6 10 3 1 2 2002 21 2 3 1 0 1 2003 ... recent years. This suggests that fishing at the trigger level would be equivalent to a long-term ... ;50% of the trigger level since 1991. Comparison with the 9.3% reference exploitation rate suggests ... that current management is precautionary at the regional scale. The subarea catch limits help prevent ... excessive concentration of catch at the subarea scale. Finer-scale management might be necessary to manage ...

   Science Journal Paper : CCAMLR Science, Volume 23 (CCAMLR Science, Volume 23) : 31–51 : Author(s): Hill, S.L., A. Atkinson, C. Darby, S. Fielding, B.A. Krafft, O.R. Godø, G. Skaret, P.N. Trathan and J.L. Watkins

10. Status of krill target strength

    that such measurements, while being inherently difficult for weak, zooplankton scatterers, are vulnerable to the effect ... the following major revision: that the BIOMASS-predicted TS for the observed 22.8 mm mean length be ... (unrealistically) large and flat, the calculations included tapering. Finally, the animals are modelled as being ... and inhomogeneities of the body volume were ignored in the modelling, rendering the model as being approximate ... aggregations of live euphausiids and should not be affected by a frequent cause of bias in single-animal ... high signal-to-noise-ratio conditions, are consistent with the general pattern. Several specific ... , general prediction curves for the target strength are presented that are applicable to a wide range of ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 101–126 : Author(s): Foote, K.G., D. Chu and T.K. Stanton

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