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1. Distribution of krill (Euphausia superba Dana) catches in the South Shetlands and South Orkneys

   Paper Title:  Distribution of krill (Euphausia superba Dana) catches in the South Shetlands and ... South Orkneys Abstract / Description:  A set of concentric zones of 20 km width was defined around ... selected colonies of penguins distributed around the coasts of the South Shetland and South Orkney Islands ... distribution in Subarea 48.2, probably as a result of more variable hydrographic conditions. About 50% of the ... -exploitation brought at least some stocks to the verge of extinction. A further concern was that harvesting ... species is estimated as within a 10 to 90 km radius of breeding sites at these times of year: Ad6lie ... occurs at levels of fishing mortality that are lower than natural mortality. The assumption here is that ... predator populations are utilising the food resource (krill) at levels of natural mortality that allow the ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 287–303 : Auteur(s): Agnew, D.J.

2. Low genetic diversity and temporal stability in the Antarctic toothfish (Dissostichus mawsoni) from near-continental seas of Antarctica

   (Dissostichus mawsoni) from near-continental seas of Antarctica Abstract / Description:  This study presents ... data on the DNA analysis of recent (2011–2013) samplings of Antarctic toothfish (Dissostichus mawsoni ... analysis of the most informative subset of nuclear genetic markers of SNP variation presented in Kuhn and ... Gaffney (2008), do not support genetic differentiation of samples from the Ross Sea. Discrepancies in the ... late 1990s and the fleet use mainly bottom-set longlines at depths of 1 200–1 800 m. Defining the ... -water) stage occurs when fish reach 100 cm in length and migrate to deep waters and stay at a depth of ... cycle protocol: a pre- liminary denaturation of DNA at 94°C for 1 min was followed by syntheses of DNA ... products: melt- ing at 92°C for 20 sec, annealing of primers at 55°C for 40 sec, DNA syntheses at 72°C for ...

   Science Journal Paper : CCAMLR Science, Volume 21 (CCAMLR Science, Volume 21) : 1–9 : Auteur(s): Mugue, N.S., A.F. Petrov, D.A. Zelenina, I.I. Gordeev and A.A. Sergeev

3. Comparative feeding ecology of Patagonian toothfish (Dissostichus eleginoides) in the southwestern Atlantic

   Paper Title:  Comparative feeding ecology of Patagonian toothfish (Dissostichus eleginoides) in ... the southwestern Atlantic Abstract / Description:  The diet of Patagonian toothfish (Dissostichus ... Argentinian continental shelf/slope, the length of D. eleginoides ranged from 30 to 95 cm total length (TL ... juvenile and adult stages, and ranged between 18 and 212 cm TL. The diets of fish of various sizes and both ... . (1996) found larvae in the Malvinas/Falklands current during spring (September-December), at depths of ... main line of 20 000 m, with branch lines each with 90 hooks (model 'Ancora', 30 mm gap) spaced at 1 m ... conducted at a mean depth of 240.5 m, and 80% of the trawls in which this species occurred were made ... around 53'30's and 40"-42'30'W (Shag Rocks area) at a mean depth of 176 m. Duhamel and Pletikosic (1983 ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 105–124 : Auteur(s): García de la Rosa, S.B., F. Sánchez and D. Figueroa

4. Significant conservation benefits obtained from the use of a new fishing gear in the Chilean Patagonian toothfish fishery

   Paper Title:  Significant conservation benefits obtained from the use of a new fishing gear in the ... practically eliminated depredation of fish by killer whales (Orcinus orca) and sperm whales (Physeter ... macrocephalus). The performance of this fishing technique with regard to seabird mortality and depredation by ... the implementation of the modification. The number of seabirds killed in 2002 was 1 542 compared to ... off South America. On some lines hauled at the Prince Edward Islands, south of South Africa ... of the baited hooks at the end of the hook lines with the position of a weight. Buoy ~1 000 m ... world’s population, of black-browed alba- trosses (Thalassarche melanophrys) which breed at the Diego de ... placed at 40 m intervals (Figure 2a). Each of the vertical branch lines supports multiple short hook ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 79–91 : Auteur(s): Moreno, C.A., R. Castro, L.J. Mújica and P. Reyes

5. Estimation of krill (Euphausia superba) mortality and production rate in the Antarctic Peninsula region

   Paper Title:  Estimation of krill (Euphausia superba) mortality and production rate in the ... data of an identical survey with RV Polarstern in 1987/88. Seasonal variation between summer and winter ... abundance/biomass data exceeded a factor of 1:35, while inter-annual variability between available surveys ... reached only a factor of 1:1.6. Krill mortality was calculated by linearized catch curve analysis and ... sample. Total length (AT) was measured from the anterior margin of the eye to the tip of the telson to ... cruise, which also resulted at least five components. Results on the abundance of each age group are ... taken as an alternative way. This involves examining the age structure of the stock at one period in ... times, i.e. the winter stock was at a minimum level of 2.8% of the maximum observed summer stock. The ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 159–176 : Auteur(s): Siegel, V.

6. Distribution, biomass and characteristics of the Euphausia superba fishery around South Georgia (Subarea 48.3)

   Paper Title:  Distribution, biomass and characteristics of the Euphausia superba fishery around ... many aspects of its variability have been extensively described in scientific literature. A summary of ... variability and the wide range of biomass values obtained which in turn leads to uncertainty in interpreting ... variability in the scale of krill swarms and to attempt to determine more reliable values of its biomass after ... transport krill to the South Georgia area which is located at the northern edge of its habitat (Marr, 1962 ... result of South Georgia being located at the edge of the habitat area in unusually low latitudes for ... trawl was employed at each station. The cross-section of the trawl opening at the level where fine mesh ... density of E. superba in fished swarms (g/m3) was worked out according to the size of the catch taken at ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 123–147 : Auteur(s): Latogursky, V.I., R.R. Makarov and L.G. Maklygin

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

   Paper Title:  Preliminary appraisal of Antarctic fish selection by the 32/36 bottom trawl combined ... 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 ... . It was found that the selectivity properties of twine codends are unsatisfactory in the case of ... 500 kilograms of fish, the investigated species constituted at least 20% of the total catch ... why small fish with lengths of 16-33 cm were retained at the same, equally high level in the double ... of small fish with a length of 20 and 21 cm at a 40-50% level and fish with a length of up to 35 cm ... first, depicting retention properties of fish up to 34 cm in. length at a - 12 - relatively high ...

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

8. Status of the Polish FIBEX acoustic data from the West Atlantic

   Paper Title:  Status of the Polish FIBEX acoustic data from the West Atlantic Abstract ... acoustic target strength estimates of krill (SC-CAMLR, 1991a). This analysis indicated that the acoustic ... densities of krill in the oceanic parts of the Drake Passage were low (3 g m-2); however, the results also ... indicated that spatial variability was important and that parts of the shelf to the north of the South ... calibration at the time of FIBEX (BIOMASS, 1986). Calibration was undertaken on two separate occasions; the ... markedly from that of the Polish FIBEX MVBS values stored at the BIOMASS Data Centre which were heavily ... increase in density (4.86) derived from the assessment of all FIBEX cruises that collected data at 120 ... of krill advection within the region. At a smaller scale, however, such fluxes may not be minimised ...

   Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 125–132 : Auteur(s): Trathan, P.N., J. Kalinowski and I. Everson

9. Seabird by-catch by autoline vessels: do line setters increase the sink rate of integrated weight longlines?

   Paper Title:  Seabird by-catch by autoline vessels: do line setters increase the sink rate of ... . A trial was conducted in the Ross Sea to determine the effectiveness of line setters in increasing ... the sink rates of IW longlines. Time-depth recorders were deployed on lines set with and without a ... line setter using a paired-treatment design. Sink rates of longlines set with and without a line setter ... distance, which amounted to about 100 s of setting time (at 6 knots 3.1 m s–1), was chosen to ensure the ... the anchor at the beginning of lines. The water entry times of each TDR were recorded to the ... structure. For each of these last two sub-models, separate variance parameters at each depth were combined ... of IW longlines is that IW lines (which are heavier than UW lines) deployed loosely and at a ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 107–114 : Auteur(s): Robertson, G., J. Williamson, M. McNeill, S.G. Candy and N. Smith

10. The sensitivity of multiple output statistics to input parameters in a krill–predator–fishery ecosystem dynamics model

    Paper Title:  The sensitivity of multiple output statistics to input parameters in a krill ... Drake Passage. The model analysed here required 2 311 input values for each of four scenarios and ... the status of predator groups more than they affected statistics indicating the status of the target ... recruitment through pre-recruit mortality. A parameter mediating the effect of a forcing function on krill ... abundance at beginning of fishing period. Krill Whole model Health (II.3(b) maintenance of the ... abundance of the relevant component is <75% of the abundance in equivalent no-fishing trials at the end ... equivalent no-fishing trials at the end of the recovery period. Predators SSMU Services (II.2 the term ... (via environment) 0 to 1 κ κk,i,s Krill density at which predators achieve half of maximum ...

    Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 97–118 : Auteur(s): Hill, S.L. and J. Matthews

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