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1. Characteristics of seasonal variation in diurnal vertical migration and aggregation of Antarctic krill (Euphausia superba) in the Scotia Sea, using Japanese fishery data

   ) was examined for the Scotia Sea (South Shetland Islands (SS), South Orkney Islands (SO) and South ... . For the abbreviations of brightness categories see Figure 1. g g Dec. 0 20 40 60 80 NI T DW N ... an unbroken sequence. For krill harvesting, midwater trawl nets with a mouth opening of 235.5–1 ... : 82–90. Ritz, D.A. 1994. Social aggregation in pelagic invertebrates. Adv. Mar. Biol., 30: 155–216 ... 40 60 80 NI T DW N M TW SR S M RN DA Y AF T SS T ET W DS K NI T 0 4 8 12 16 20 Jan. 0 ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 163–172 : Автор(ы): Taki, K., T. Hayashi and M. Naganobu

2. Performance and geometry of the FP-120 trawl used during UK fish stock assessment surveys around South Georgia, Subarea 48.3

   surveys around South Georgia, Subarea 48.3 Abstract / Description:  Methods for calculating the horizontal ... presented. Regression equations for the estimation of horizontal opening from other, more easily measured ... variables, such as tow speed and trawl depth, are proposed. Biomass estimates for the major fish species ... , biomass, finfish, CCAMLR INTRODUCTION Surveys using bottom trawls have been used for over 20 years to ... of Trawl Geometry For a distance travelled over the ground g and an estimated horizontal opening h ... (17, 20 and 21) were logged every 30 seconds and the fourth (22) every 20 seconds. The hydrophone ... viable data from an individual tow (standard tow duration was 30 minutes), this tow was discarded ...

   Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 51–69 : Автор(ы): Pilling, G. and G. Parkes

3. Myctophids in the diet of Antarctic predators

   the present study is to review published data on the diet of various top predators (birds, seals ... review covers publications for the period since 1984-85 to the present. In total, over 50 publications ... PREDATORS E. Sabourenkov'" Abstract The aim of the present study is to review published data on the ... importance of myctophids in their diets. This review covers publications for the period since 1984-85 to the ... , 1991). The aim of the present study is to review published data on the diet of various top predators ... SC-CAMLRZ. This review covers publications for the period since the reviews of 1984 to 1985 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 335–368 : Автор(ы): Sabourenkov, E.

4. Effects of different harvesting strategies on the mackerel icefish Champsocephalus gunnari around South Georgia

   the mackerel icefish (Champsocephalus gunnari) have been simulated for a period of 30 years. These ... 50% F 0.1 with F increasing three or five years after a good recruitment; pulse fishing at an ... constant levels of fishing mortality to the strength of the incoming year class. An increase of F, however ... interval of three years with no fishing in between; and changes in net selectivity resulting in a shift in ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 77–100 : Автор(ы): Köster, F.W. and K.-H. Kock

5. Modelling and decision making as part of the CCAMLR management regime

   horizons, time steps, constraints and data) were identified in an attempt to provide a blueprint for the ... environment essential for the effective management of the Antarctic marine ecosystem within the requirements ... of CCAMLR Article II. Eight attributes (purpose, description, variables, driving forces, time ... formulation of a suitable decision-making protocol for management purposes. File:  16-Miller.pdf ... data) were identified in an attempt to provide a blueprint for the development of suitable ... procedures is particularly serious with respect to implementation of CCAMLR Article 11 since there is an ... for managers of renewable resources in terms of CCAMLR Article 11. In keeping with the ideas put ... consider predators in view of the requirements in Article 11 for restoring depleted populations ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 295-322 : Автор(ы): Miller, D.G.M.

6. Preliminary model of krill fishery behaviour in Subarea 48.1

   Elephant Islands in alternate years would result in an average yearly catch similar to that at present ... during alternate years. File:  06agnew-marin.pdf ... Livingston and Elephant Islands in alternate years would result in an average yearly catch similar to that ... in Table 1 varied considerably, an approximate mean CV of 0.4 was used for all squares for these ... land-based predators during alternate years. Resume Description d'un modele simple du comportement ... management, crustacean, ecosystem management, penguins, CCAMLR INTRODUCTION Fishing for krill in the ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 71–79 : Автор(ы): Agnew, D.J. and V.H. Marín

7. Results of fish stock assessment survey, South Georgia, December 1987 - January 1988

   for any subsampling on deck or in the laboratory, and was standardized to 30 minute tows. 21 3 ... . There is also an indication of decreasing size with increasing depth for this species, whereas all ... expects the data to have been corrected to a standard" PRINT tow of 30 min. at 3.5 knots, and for any ... "; TAB(60); "THE MEAN"; TAB(72); " OF THE MEAN"; TAB(90); "FOR TOTAL AREA"; TAB(110); "FOR TOTAL AREA ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 19-52 : Автор(ы): McKenna, Jr., J.E. and S.B. Saila

8. The status of krill (Euphausia superba DANA) resources in CCAMLR Statistical Divisions 58.4.2 and 58.4.3 from 1988 to 1990. Results of acoustic surveys

   abundant 1986 and 1987 year-classes and with a diminished rate of emigration of krill of these year-classes ... LogL Two types of trawls were used for kriU sampling: an Isaacs-Kidd midwater trawl with a 6.0 sq. m ... previous period (1986 to 1988) and for an increase in krill biomass in the area. The data in Table 2 ... CO.llPY:>KeCTBa (65°30' - 68°00' lO.ill., 60-80° B . .ll') B 1988-1990 rr. (C6op npo6 TpaJIOM AH:3eKCa ... WG-KRILL-90/17 THE STATUS OF KRILL (EUPHAUSIA SUPERBA ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 163–173 : Автор(ы): Bibik, V.A. and V.N. Yakovlev

9. Observation of seabirds in the Southern Ocean in 1988/89

   :00; 12:00, 16:00 and 20:00 ship-time, while sailing between Antarctic stations and while en route to ... for key). GO (V ;- -t sof - Fig.9. 80 .90 -r- "I- The abundance of four species of ... their numbers never exceeded 10. Only once, on 30 December 1988, when the vessel was sailing across an ... 73°30'S in the Pacific sector. Most often single birds were observed and it was rare for two to be ... 1989). (See Figure 2 for key) . lA ~ GO -\- 90 i- -r- 7'- Fig.4. The abundance of birds ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 521–542 : Автор(ы): Vagin, A.V. and V.V. Popov

10. Fishing intensity of the Soviet fleet in krill fisheries in the southern Atlantic (Subareas 48.2 and 48.3)

    (Subareas 48.2 and 48.3) Abstract / Description:  This paper provides an assessment of the impact of the ... Antarctic ecosystem. Krill are dominant primary consumers and constitute an important food source for ... ; Butterworth et al., 1994; Boyd, 2002a). This topic was investigated for those years when there was the ... mean values of CPUE over the four years of this analysis are shown in Figure 4 for all Soviet vessels ... further. This makes an even stronger case for the estimated removal intensity being of minor importance ...

    Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 15–35 : Автор(ы): Kasatkina, S.M. and V.F. Ivanova

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