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1. The fishery for Patagonotothen brevicauda guntheri in CCAMLR Subarea 48.3

   / Description:  Fine-scale data supplied to CCAMLR for 1987/88 showed that the catches of P atagonotothen ... only ever caught at Shag Rocks. Therefore the South Georgia catches were almost certainly of another ... species. The small size of P.b. guntheri means that they can only be caught with net meshes so small that ... they would also catch undersized individuals of other, larger species. Survey results suggest that such ... CCAMLR for 1987/88 showed that the catches of Patagonotothen brevicauda guntheri were five times greater ... . Therefore the South Georgia catches were almost certainly of another species. The small size of P.b ... individuals of other, larger species. Survey results suggest that such fishing is likely to have a ... significant effect on other species. P.b. guntheri has been reported as a by-catch of other fisheries; this ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 275–283 : Autor(es): Everson, I. and C. Mitchell

2. Length-based assessment for mackerel icefish (Champsocephalus gunnari) at South Georgia

   accurate identification of age cohorts from the survey data. In this paper a length-based approach is ... described that removes the problem of cohort determination. A bootstrap technique (consistent with the ... current CCAMLR approach) is used to estimate the length distribution of the population from the survey ... data which, in conjunction with the bootstrapped survey biomass data, yields an estimate of the ... (TAC). One issue is the accurate identification of age cohorts from the survey data. In this paper a ... this paper. Table 2: Comparison estimates of two-year TACs (tonnes) obtained using the current CCAMLR ... review of an earlier version of this paper. references Belchier, M., R.E. Mitchell, M.A. Collins, L ... ,*, C.T.T. Edwards1,2, R.E. Mitchell2 and D.J. Agnew2 1 Fisheries Group Division of Biology Imperial ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 129–137 : Autor(es): Hillary, R.M., C.T.T. Edwards, R.E. Mitchell and D.J. Agnew

3. Krill biomass assessment in Statistical Area 48 from the RV AtlantNIRO data - Autumn 1989/90

   Islands was assessed at 3.8 million tonnes, most of which was concentrated in the waters of the Weddell ... Sea. In contrast to this site, the one off the South Orkney Islands is well-established in terms of ... tonnes. Most of this stock was concentrated in the south-western part of the Coronation Island shelf ... Paper Title:  Krill biomass assessment in Statistical Area 48 from the RV AtlantNIRO data- Autumn ... , most of which was concentrated in the waters of the Weddell Sea. In contrast to this site, the one ... off the South Orkney Islands is well-established in terms of both research and commercial harvesting ... . The overall krill stock here was estimated to be 1.1 million tonnes. Most of this stock was ... concentrated in the south-western part of the Coronation Island shelf. Resume En mars/avril 1990, une ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 115–121 : Autor(es): Fedotov, A.C.

4. Choosing distance between acoustic survey tacks

   on the basis of typical size of the surveyed region, allowable relative error in the biomass estimate ... , and the variation coefficient of the density values of the krill concentrations. It is recommended ... Paper Title:  Choosing distance between acoustic survey tacks Abstract / Description:  A ... on the basis of typical size of the surveyed region, allowable relative error in the biomass ... estimate, and the variation coefficient of the density values of the krill concentrations. It is ... SURVEY TACKS I.L. Kalikhman, Z.I. Kizner, B.R. Zaripov, W.D. Tesler All-Union Research Institute of ... Krasnoselskaya, 17 Choosing the frequency of survey tacks is an important aspect of acoustic surveying ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 153-164 : Autor(es): Kalikhman, I.L., Z.I. Kizner, B.R. Zaripov and W.D. Tesler

5. Assessment and tag program adaption methods for exploratory fisheries in the CAMLR Convention Area: an example application for Division 58.4.3a

   initial stock assessment and adaption of catch limits and tagging rates is presented for new and ... tagging levels that will produce an expected abundance estimate in the following year of a given precision ... whilst ensuring the sustainable exploitation of the stock as per the CCAMLR management procedure. The ... combination of the assessment and tagging rate adaption methods can then form the basis of an early management ... eigenvalue of the Leslie matrix, although in the paper by Myers et al. (1997) assumptions about the stock ... exAmple AppliCAtion for division 58.4.3A R.M. Hillary Division of Biology Imperial College London SW7 ... assessment and adaption of catch limits and tagging rates is presented for new and exploratory stocks in the ... will produce an expected abundance estimate in the following year of a given precision whilst ensuring ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 101–113 : Autor(es): Hillary, R.M

6. International CCAMLR applied research and monitoring program, Prydz Bay priority area

   area Abstract / Description:  An outline is given of a proposed scientific research contribution by ... Australia towards the first five years of an International CCAMLR Applied Research and Monitoring Program in ... the Prydz Bay area. Emphasis is placed on the krill based part of the marine community in the Prydz ... Bay area. Some attention is also given to the fish and squid based part of the marine community on the ... RESEARCH AND MONITORING PROGRAM, PRYDZ BAY PRIORITY AREA Australia Abst ract An outline is given of ... a proposed scientific research contribution by Australia towards the first five years of an ... the krill based part of the marine community in the Prydz Bay area. Some attention is also given to ... the fish and squid based part of the marine community on the Kerguelen Plateau. PROGRAMME ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 283-295 : Autor(es): Australia

7. Toothfish, Dissostichus eleginoides, at South Georgia

   , paragraph 106). Histological examination of the gonads of a small sample of fish taken from a commercial ... longliner in January 1990 indicates that the fish are sexually mature and, at the time of sampling, are ... Paper Title:  Toothfish, Dissostichus eleginoides, at South Georgia Abstract / Description:  The ... examination of the gonads of a small sample of fish taken from a commerciallongliner in January 1990 ... indicates that the fish are sexually mature and, at the time of sampling, are approaching spawning ... . INTRODUCTION During the Eighth Meeting of CCAMLR it was noted that the Scientific Committee had recommended ... that a TAC of 1200 tonnes be set for Dissostichus eleginoides in Subarea 48.3. That estimate was based ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 255–261 : Autor(es): Everson, I. and S. Campbell

8. Champsocephalus gunnari stock status in the South Georgia area

   / Description:  ata of age composition and fishing effort for 1976/77-1987/88 were used to analyse stock status ... , Gamma methods, Pope and Shepherd method, using F regression on fishing effort and method of average ... intensity (F) in a predicted period was equal to the average value of fishing mortality: (b) For the ... predicted period fishing intensity was at the level of that in 1987/88; (c) For the predicted period fishing ... THE SOUTH GEORGIA AREA R. Borodin, P. Kochkin Abstract Data of age composition and fishing ... , using F regression on fishing effort and method of average weighted F. For 1986/87 the values ... predicted period was equal to the average value of fishing mortality: ( b) For the predicted period ... fishing intensity was at the level of that in 1987/88; ( c ) For the predicted period fishing intensity ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 1-18 : Autor(es): Borodin, R. and P. Kochkin

9. Potential interactions between wandering albatrosses and longline fisheries for Patagonian toothfish at South Georgia

   Patagonian toothfish at South Georgia Abstract / Description:  We examine the extent of overlap between South ... that D. exulans breeding at South Georgia have a relatively low potential risk of interaction with ... through mid-May, adult birds of both sexes spend most of their time at sea over the South Georgia ... such a way as to avoid fishing between the end of February and mid-May. File:  07croxall-prince.pdf ... Cross, Madingley Road Cambridge CB3 OET United Kingdom Abstract We examine the extent of overlap ... , respectively. We conclude that D. exulans breeding at South Georgia have a relatively low potential risk of ... period, from March through mid-May, adult birds of both sexes spend most of their time at sea over the ... should be managed in such a way as to avoid fishing between the end of February and mid-May. Resume ...

   Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 101–110 : Autor(es): Croxall, J.P. and P.A. Prince

10. Phytoplankton distribution in the mixed layer: implication to krill abundance

    Abstract / Description:  A one dimensional Lagrangian model of random walk is presented to study the ... distribution of phytoplankton in the Antarctic Ocean. Since little is known about mixed layer dynamics in the ... Antarctic Ocean, we estimate the depth of the mixed layer and its turbulence intensity from an Ekman layer ... . However, the effect on the dynamics is vital, affecting the distribution of particles in the upper ocean ... ) Abstract A one dimensional Lagrangian model of random walk is presented to study the distribution of ... , we estimate the depth of the mixed layer and its turbulence intensity from an Ekman layer model ... effect on the dynamics is vital, affecting the distribution of particles in the upper ocean. Resume ... has been an increasing interest in the variability of biological marine resources, but little ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 331–356 : Autor(es): Yamazaki, H. and T.R. Osborn

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