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1. Towards the development of a management plan for mackerel icefish (Champsocephalus gunnari) in Subarea 48.3

   Paper Title:  Towards the development of a management plan for mackerel icefish (Champsocephalus ... gunnari) in Subarea 48.3 Abstract / Description:  Management of the mackerel icefish (Champsocephalus ... gunnari) at South Georgia is complicated by the likelihood of substantial periodic variations in natural ... outlines a scheme which would use information from studies on krill and predators undertaken as part of the ... years 1978 and 1984 there are no survey estimates from which one could derive estimates of M, but the ... , there also appears to be a decline the previous year. There is no indication of a major decline in ... situation where even under conditions of no exploitation the population often drops to less than 20% of ... CCAMLR Science, Vol. 5 (1998): 63-77 TOWARDS THE ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 63–77 : Autor(es): Agnew, D.J., I. Everson, G.P. Kirkwood and G.B. Parkes

2. A stock assessment model of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea Region incorporating multi-year mark-recapture data

   since the late 1990s. No fishery-independent methods of monitoring stock abundance were plausible, and ... demonstrates the value of multi-year mark-recapture programs to estimate fish stocks even where no fishery ... Paper Title:  A stock assessment model of Antarctic toothfish (Dissostichus mawsoni) in the Ross ... longline fishery for Antarctic toothfish (Dissostichus mawsoni) has been carried out in the Ross Sea region ... parameters used in the model are summarised in Table 1. observations Data quality In 2013, there were no ... RSR. For example, there were no fishery-independent surveys of the fished stock, as opposed to other ... residuals. MCMC results Trace plots showed no evidence of poor convergence in the key biomass parameters ... was tested, as a proxy for assum- ing that no cryptic biomass was allowed in the model. It was only ...

   Science Journal Paper : CCAMLR Science, Volume 21 (CCAMLR Science, Volume 21) : 39–62 : Autor(es): Mormede, S., A. Dunn and S.M. Hanchet

3. Long-term monitoring of krill recruitment and abundance indices in the Elephant Island area (Antarctic Peninsula)

   Paper Title:  Long-term monitoring of krill recruitment and abundance indices in the Elephant ... for the Elephant Island area with regard to the representativeness of the study area (60°-62 o 30´S ... were re-calculated applying the delta distribution approach introduced by de la Mare (1994a). The high ... interannual variability of krill recruitment is confirmed by the present analysis. Results are compared for ... certainly no problem for postlarval krill. (iii) Estimating the proportions of the distribution mixture ... the statistical package S-Plus. The null hypothesis that there is no difference between years is ... assumption that there has been no persistent change in krill density should be tempered with the caution ... MONITORING OF KRILL RECRUITMENT AND ABUNDANCE INDICES IN THE ELEPHANT ISLAND AREA (ANTARCTIC PENINSULA) V ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 19–35 : Autor(es): Siegel, V., W. de la Mare and V. Loeb

4. 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 ... 100 m over an interval in which no krill were evident on either sounder in the upper 100 m, to check ... as a source of error. Similarly, there was no noticeable difference in L\ MSBS when the frequencies ... 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 : Autor(es): Hampton, I.

5. Interactions of Patagonian toothfish fisheries with killer and sperm whales in the Crozet Islands Exclusive Economic Zone: an assessment of depredation levels and insights on possible mitigation strategies

   Paper Title:  Interactions of Patagonian toothfish fisheries with killer and sperm whales in the ... mitigation strategies Abstract / Description:  Within the Crozet Islands Exclusive Economic Zone (EEZ), the ... , killer whales alone, and the two species co-occurring were observed on 32.6%, 18.6% and 23.4 ... % respectively of the 4 289 hauled lines. It was estimated that a total of 571 tonnes (€4.8 million) of ... by killer whales The depth at which the lines were set had no sig- nificant effect on the CPUE both ... < 0.001), but no interac- tion effect between the vessel identity and the other two variables was found ... this case, there was no effect of the length of the line on CPUE. Indeed, the latter remained low for ... were no additional benefits to vessels of travelling distances greater than 40–60 n miles. The data ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 179–195 : Autor(es): Tixier, P., N. Gasco, G. Duhamel, M. Viviant, M. Authier and C. Guinet

6. Homogeneity of body length composition of Antarctic krill within the commercial zone

   Paper Title:  Homogeneity of body length composition of Antarctic krill within the commercial zone ... Abstract / Description:  The homogeneity of krill (Euphausia superba) length composition in commercial ... trawl catches (hauls) was investigated by comparing length compositions from different parts of the same ... haul. There was no significant difference (P >0.5) in 53 out of 60 hauls. Therefore it is concluded ... length compositions from different parts of the same haul. There was no significant difference (P>O.OS ... board FV Zuiyo Maru No. 2 (3023 tonnes, Hakodate Kokai Gyogyo Co.) off George V Land in the 1985/86 ... -haul length compositions were compared by testing the null hypothesis no ... COMPOSITION OF ANTARCTIC KRILL WITHIN THE COMMERCIAL ZONE T.Ichii* Abstract The homogeneity of krill ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 17–28 : Autor(es): Ichii, T.

7. Indices of prey availability near the Seal Island CEMP site: 1990 to 1996

   Paper Title:  Indices of prey availability near the Seal Island CEMP site: 1990 to 1996 Abstract ... Seal Island CEMP site during the austral summers of 1990 to 1996. The indices are measures of average ... / Description:  Four indices of prey availability are calculated from surveys conducted in the vicinity of the ... surveys each year were subsampled to include the foraging range of predators breeding at Seal Island ... . Blank cells indicate that no data are available. RESULTS AND DISCUSSION Values of the four indices ... AVAILABILITY NEAR THE SEAL ISLAND CEMP SITE: 1990 TO 1996 R.P. Hewitt, G. Watters and D.A. Demer Southwest ... availability are calculated from surveys conducted in the vicinity of the Seal Island CEMP site during the ... decibels. Hewitt et al. Table 2: Annual indices of prey availability near the Seal Island CEMP site ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 37–45 : Autor(es): Hewitt, R.P., G. Watters and D.A. Demer

8. On the intensity of sampling krill trawl catches

   Paper Title:  On the intensity of sampling krill trawl catches Abstract / Description:  This paper ... uses actual krill length-frequency data in an attempt to address the problem of the determination of ... . The possible effect of two other factors (within-trawl variability and sample decomposition) which may ... influence length-frequency data quality is also considered. Attention is drawn to the following: • all ... were no significant differences (F=8.75, a=O.lO to 0.05) between mean lengths or the number of animals ... Figure 7. Results from the ANOV A (F=0.31, a=O.lO to 0.05) indicate no significant changes in mean ... , Australia: CCAMLR. p. 10. MILLER, D.G.M 1987. The South African SIBEX II cruise to the Prydz Bay region. S ... WG-KRILL-90/27 ON THE INTENSITY OF SAMPLING KRILL TRAWL ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 29–48 : Autor(es): Miller, D.G.M.

9. Refinements to the strategy for managing depleted fish stocks based on CCAMLR objectives

   Paper Title:  Refinements to the strategy for managing depleted fish stocks based on CCAMLR ... decades is illustrated. These fishing mortalities are based on probabilistic descriptions of the future ... hence that additional management policies are required for depleted stocks. The implications of these ... studies for defining the terms 'depleted' and 'target levels for recovery' are briefly ... using the biomass from a deterministic projection (Le., no recruitment fluctuation) of the median of ... SC-CAMLR-BG-IX/BG/14 REFINEMENTS TO THE STRATEGY FOR ... fishing mortalities are based on probabilistic descriptions of the future states of a depleted stock ... management policies are required for depleted stocks. The implications of these studies for defining the ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 467–475 : Autor(es): de la Mare, W.K. and A. Constable

10. Guidelines for the preparation of hydroacoustic survey reports on krill

    Paper Title:  Guidelines for the preparation of hydroacoustic survey reports on krill Abstract ... / Description:  The proposed guidelines provide an opportunity to perform comparative analyses and checks of ... surveys. The unification of echometric survey data is aimed at increasing the effectiveness of research on ... the quantitative assessment of biomass of organisms. The guidelines contain a description of ... - 165 - SC-CAMLR-V/BG/37 GUIDELINES FOR THE ... PREPARATION OF HYDROACOUSTIC SURVEY REPORTS ON KRILL I.L.Kalikhman (U.S.S.R.) Abstract The proposed ... echometric surveys of fish and krill, and to establish a data bank of these surveys. The unification of ... echometric survey data is aimed at increasing the effectiveness of research on the· quantitative assessment ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 165-193 : Autor(es): Kalikhman, I.L.

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