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1. Acoustic estimates of krill density at South Georgia, 1981 to 1998

   from year to year over that time, ranging from ≈ 2 to  ≈ 150 g m-2 (fresh mass). The 1982, 1991 ... year to year over that time, ranging from ≈2 to ≈150 g m-2(fresh mass). The 1982, 1991 ... widely from year to year over that time, ranging from =2 to =l50 g m-2 (fresh mass). The 1982, 1991 ... and when the early Discovery investigations were underway there (see Priddle et al., 1988). Since ... Antarctic krill, Etipha~~sia stlperba, at South Georgia reports of large year-to-year fluctuations in krill ... years considered is presented in Table 1. In all instances echosounders were fully calibrated. From ...

   Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 47–57 : Author(s): Brierley, A.S., J.L. Watkins, C. Goss, M.T. Wilkinson and I. Everson

2. A composite recruitment index to describe interannual changes in the population structure of Antarctic krill at South Georgia

   recruitment year due to krill spawned in 1994/95. File:  06watkins.pdf ... in the population increased with a very successful recruitment year due to krill spawned in 1994/95. ... occurring at the eastern end of the island early in the season are likely to be transported westward ... recruitment year due to krill spawned in 1994/95. Resume Description d'un indice composite de recrutement ... the commercial fishery (Kawaguchi et al., 1998). However, to date there has been no information on the year ... -to-year changes in population structure and recruitment indices derived from scientific cruises within ...

   Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 71–84 : Author(s): Watkins, J.L

3. Preliminary appraisal of Antarctic fish selection by the 32/36 bottom trawl combined with various codends

   , reaching down to the middle of the codend side walls. The codend bottom was deprived of its selective ... properties up to the middle of side walls by placing inside it, the same fine-meshed inset. In this way ... was the badly chosen mesh size, which had lost selectivity ability for this species, and the double-layer ... constructions used most frequently by commercial fisheries of various countries. That is why they were ... with various codends Abstract / Description:  Selectivity properties of single and doubler-layer twine ... codends (mesh size 120 mm) and single-layer tape codends with a mesh size of 60 and 100 mm were determined ... used in fishing for them requires further research. It should first of all cover twine codends with a ... mesh size of 80 mm, currently used on factory trawlers, as well as codends with a structure resembling ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 1-48 : Author(s): Zaucha, J.

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

   aimed at providing two indirect methods of assessment of depredated biomass over an 11-year period (2003 ... of depredated biomass over an 11-year period (2003 to 2013), accounting for spatial variations of depredation ... i j k l di j k l d i j k l d B c c E c =å å (1) where Bi,j,k,l (cd) is the amount of fish biomass cap ... ® as follows: ( ) ( ) ( ) , , , , , , , , , CPUE i j k l di ... hooks in each cell (amount ranges from 724 to 10 538 individuals). CPUE methodCPUE method G re na di ... er m et ho d G re na di er m et ho d a = 0.89 R2 = 0.90 a = 0.97 R2 = 0.96 (j) (l) 11 ...

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

5. Seabird interactions with longlining operations for Dissostichus eleginoides at the South Sandwich Islands and South Georgia

   setting, hook vulnerability, CCAMLR INTRODUCTION In recent years, decreases in populations of several ... at the end of the two sets which overlapped with the early dawn light. No birds were hooked during setting ... it Observations of Longlining reached the winch. Blood was later observed off South Georgia from a wound ... cost in lost time, equipment or fishing efficiency should not be under-estimated, however, and may ... Paper Title:  Seabird interactions with longlining operations for Dissostichus eleginoides at the ... South Sandwich Islands, actual and potential interactions with seabirds were assessed. Bird numbers ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 143–153 : Author(s): Ashford, J.R., J.P. Croxall, P.S. Rubilar and C.A. Moreno

6. Factors to consider in developing management measures for krill

   from year to year. The various techniques used to estimate the abundance of animal populations also ... from year to year. Yet either strategy has to achieve the same conservation objectives. In general ... in catch from year to year cannot all be fully achieved simultaneously. For example, steady catches ... degree of fluctuation in the harvest from year to year. 3.5 Time Frame for Implementation A further ... Living Resources is given along with an outline of steps for the evolution of management procedures for ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 175–187 : Author(s): de la Mare, W.K.

7. A proposed management procedure for the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity

   ζy’ factors also dis- tributed as N(0, 2Rσ ), where σR = 0.5. Naturally, the value selected for σR ... catch landed early sel The longline selectivity function of the earlier years (1997–2002 ... of IUU fishing, particularly in their early stages. The CCAMLR Working Group on Fish Stock Assessment ... ). Even when possible recruitment fluctua- tions in years before any (legal or IUU) harvesting commenced ... catches made. An MP with control parameter values specified is proposed for implementation based on the ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 33–69 : Author(s): Brandão, A. and D.S. Butterworth

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

   . MIDDlETON. 1984. The oceanographic structure of the eastern Scotia Sea- I. Physical Oceanography. Deep Sea ... , which sweep north along the eastern margin of Antarctic Peninsula, meet the warmer waters carried ... , Gordon and Nowlin, 1978) and abundant krill population (Marr, 1962). The Weddell Gyre is a large, wind ... deep water a/S cluster found in the eastern end of the Bransfield Straits falls in the region ... mixing processes of Bransfield Straits water (derived from the Weddell, with further local modification ... the Scotia Front protrudes to the south, perhaps associated with mesoscale structures. The Weddell ... -Scotia Confluence in the Bransfield Straits is associated with abundant krill populations. It is ...

   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.

9. Interaction of marine mammals with the longline fishery around the Kerguelen Islands (Division 58.5.1) during the 1995/96 cruise

   occurred, as against 2.2 % of fish lost from the hooks during line hauling. File:  12capdeville.pdf ... during the longline sets in which interaction occurred, as against 2.2 % of fish lost from the hooks ... lost from the hooks during line hauling. Resume Les interactions observees entre les palangriers ... feed on toothfish lost from the hooks during hauling (21 fish were eaten out of 70 lost); fur seals ... of toothfish landed (X = -0.03, p = 0.91) and of the number of toothfish lost from hooks during hauling ... than the number of fish lost from the hooks during line hauling (2.2% for the same longline sets ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 171–174 : Author(s): Capdeville, D

10. Target strengths of Antarctic krill (Euphausia superba)

    and Nakken 1972, Johannesson and Mitson 1983), knowledge of the target strength is essential. The problem ... reasons: (1) early use of wrong integration limits, (2) distortion of the cage, with displacement from ... estimation: a practical guide. ICES Coop. Res. Rep., 144: 69 pp. FORBES, S.T. and O. NAKKEN. 1972. Manual ... detection and abundance estimation. FAO Man. Fish. ScL, 5: 1-138. 275 GREENLAW, C.F. 1977 ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 265–279 : Author(s): Everson, I., D.G. Bone, J.L. Watkins and K.G. Foote

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