Résultats de la recherche

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

   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 ... RESULTS OF A LONGLINE SURVEY ON SEAMOUNTS IN THE SOUTHEAST ATLANTIC AND IN CCAMLR SUBAREA 48.6 (ATLANTIC ... 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 of Bouvet Island, Ob and Lena ... Banks). Samples were collected from longlines set perpendicularly to the isobaths and in depths down to ...

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

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

   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 ... over the past three years. Spot checks on SL and VRS made before, during and after the cruise with a ... m for the EKS-120. The residual TVG-related error in back-scattering strength after correction was ... WG-KRILL-90/28 MEASUREMENTS OF DIFFERENCES IN THE ... * * Abstract Differences in the target strength of adult (36 to 60 mm) Antarctic krill (Euphausia superba ...

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

3. Preliminary results of research activities of RV Evrika in the Scotia Sea in January-March 1988

   Paper Title:  Preliminary results of research activities of RV Evrika in the Scotia Sea in January ... -March 1988 Abstract / Description:  In 1987/88 a multi-disciplinary survey was conducted of the Scotia ... Sea and adjacent waters, accompanied by regular trawlings with an Isaac-Kidd trawl. The waters off ... South Georgia in particular were surveyed twice. Research activities are part of the program implemented ... spawning came to an end by the time of the survey. In May the proportion of post-spawning crustaceans ... increased near the Elephant and Coronation Islands indicating the end of krill spawning in those areas. Due ... ACTIVITIES OF RV EVRIKA IN THE SCOTIA SEA IN JANUARY-MARCH 1988 L.1. Maklygin , A.S. Fedorov, V.N. Shnar ... -disciplinary survey was conducted of the Scotia Sea and adjacent waters, accompanied by regular trawlings with ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 215-229 : Auteur(s): Maklygin, L.I., A.S. Fedorov, V.N. Shnar, Yu.A. Shulyakovsky, I.V. Krasovsky, Yu.D. Shuvaev and A.V. Kromsky

4. A compilation of parameters for ecosystem dynamics models of the Scotia Sea – Antarctic Peninsula region

   Paper Title:  A compilation of parameters for ecosystem dynamics models of the Scotia Sea ... – Antarctic Peninsula region Abstract / Description:  Expansion of the krill fishery in the Scotia Sea ... –Antarctic Peninsula region beyond the current operational catch limit requires the development and ... assessment of methods for subdividing the precautionary catch limit amongst smaller spatial units. This paper ... particles that were found in area n at the end of the period. The resulting summer and winter matrices are ... . The particles were advected through the velocity fi elds for 183 days (~6 months) begin- ning on ... particles released in area m at the beginning of the advection period and ,m nθ is the number of these ... (2007): 1–25 A COMPILATION OF PARAMETERS FOR ECOSYSTEM DYNAMICS MODELS OF THE SCOTIA SEA – ANTARCTIC ...

   Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 1–25 : Auteur(s): Hill, S.L., K. Reid, S.E. Thorpe, J. Hinke and G.M. Watters

5. Trawl bag selectivity in the Champsocephalus gunnari fishery

   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 ... processed in the usual way for this type of experiment. After each haul, size composition and rate of ... fish biometry. The inner mesh size of the trawl bag was measured after every 10 hauls with the help ... WG-FSA-90/32 TRAWL BAG SELECTIVITY IN THE ... 1990 in the South Georgia area concurrently with trawl surveys as part of the main biological and ...

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

6. Age determination of Notothenia gibberifrons from the South Shetland Islands, Antarctic Peninsula subarea (Subarea 48.1)

   Paper Title:  Age determination of Notothenia gibberifrons from the South Shetland Islands ... Notothenia gibberifrons specimens collected at two localities near the South Shetland Islands (Low I. and ... scale readings gave a result of one year more. This could arise from the difficulty in differentiating ... between false and annual checks in scales. Age determination by otolith cross sections proved to be the ... RV Polar Duke of the National Science Foundation, USA. For this study, immediately after capture ... GIBBERIFRONS FROM THE SOUTH SHETLAND ISLANDS, ANTARCTIC PENINSULA SUBAREA (SUBAREA 48.1) Esteban Barrera-Oro ... localities near the South Shetland Islands (Low I. and Potter Cove, 25 De Mayo/King George I.). Samples ... could arise from the difficulty in differentiating between false and annual checks in scales. Age ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 143-160 : Auteur(s): Barrera-Oro, E.

7. Surface water circulation in krill fishing areas near the South Shetland Islands

   Paper Title:  Surface water circulation in krill fishing areas near the South Shetland Islands ... deployed in shelf and oceanic waters to the north of the South Shetland Islands. Each buoy was deployed ... with a drogue attached at a depth of 30 m to assess flow patterns at the depth range where krill tended ... to be most abundant. The buoys were tracked using the ARGOS satellite positioning system. Based on ... reached the South Georgia area 110 to 120 days after they had left the South Shetlands (Figures 2(a) and ... SURFACE WATER CIRCULATION IN KRILL FISHING AREAS NEAR THE SOUTH SHETLAND ISLANDS T. Ichii and M ... oceanic waters to the north of the South Shetland Islands. Each buoy was deployed with a drogue attached ... at a depth of 30 m to assess flow patterns at the depth range where krill tended to be most abundant ...

   Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 125–136 : Auteur(s): Ichii, T. and M. Naganobu

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

   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 ... as km/year. The available data comprised animals that had been recaptured after 1, 2, 3, 4 and 5 ... years (with zero mortality), and examining the results after this time to see if the test slope ... InvestIgatIon of bIas In the mark–recapture estImate of toothfIsh populatIon sIze at south georgIa D.J. Agnew ... Abstract This paper investigates the influence of mixing of fish, and the uneven distribution of tag ...

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

9. Factors that may influence the accuracy of abundance estimates from CCAMLR tag-recapture programs for Dissostichus spp. and best practice for addressing bias

   Paper Title:  Factors that may influence the accuracy of abundance estimates from CCAMLR tag ... -recapture programs for Dissostichus spp. and best practice for addressing bias Abstract / Description:  The ... Lincoln-Petersen equation, the simplest form of an abundance estimator using tag-recapture data, was used ... programs. The methods that have been used in CCAMLR tag-recapture programs to mitigate such biases, or to ... ) or remediate (account for the effect after it has occurred, such as through correcting a parameter ... estimates of population size. In the CCAMLR area, tagging programs have existed in some fisheries for ... vessels commenced in the fishery at Heard Island and the McDonald Islands (Division 58.5.2) in 1998 ... (Williams et al., 2002) and at South Georgia (Subareas 48.3) and in the Ross Sea (Subarea 88.1) in 2000 ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 63–72 : Auteur(s): Welsford, D.C. and P.E. Ziegler

10. Commercial krill fisheries in the Antarctic, 1973 to 1988

    Paper Title:  Commercial krill fisheries in the Antarctic, 1973 to 1988 Abstract / Description ... :  STATLANT data reported to the Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR ... ) are used to discern observable trends in catch and effort for the Antarctic krill (Euphausia superba ... ) fishery between 1972/73 and 1987/88. The annual krill catch rose gradually to a peak of some 500 000 ... Butterworth (1988). Krill CPUE Simulation Study this would require documentation of the start and end ... SC-CAMLR-VII1I8G/11 COMMERCIAL KRILL FISHERIES IN THE ... ANTARCTIC, 1973 TO 1988 D.G.M. Miller Abstract ST ATLANT data reported to the Commission for the ... effort for the Antarctic krill (Euphausia superba) fishery between 1972/73 and 1987/88. The annual ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 229–281 : Auteur(s): Miller, D.G.M.

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