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1. Midwater trawl catchability in relation to krill and possible ways of assessing gross catch

   ) was employed for the collection of data on krill escapement through the trawl. Beginning at the trawl bag ... and ending at the rope section, fine-meshed chafers were placed on parts of the trawl netting having ... chafers.The observed dependence of kriU escape time on the angle of attack (a) and trawling speed (VI ... . 5. CONCLUSION After examination of experimental and calculated data, it is possible to make the following ... the basis of data obtained from AtlantNIRO expeditions from 1983 to 1990 in the Scotia Sea. A ... methodology was developed for and applied to determining the rate of krill filtration through the trawl rope ... and netting and also the probability that krill will come into contact with various parts of the net ... as it passes through the trawl sides. Studies were based on the results of 250 hauls made with a 72 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 87–113 : Author(s): Zimarev, Yu.V., S.M. Kasatkina and Yu.P. Frolov

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

   abundance at beginning of fishing period. Krill Whole model Health (II.3(b) maintenance ... that the abundance of the relevant component is <75% of the abundance in equivalent no-fishing trials at the end ... trials at the end of the recovery period. Predators SSMU Services (II.2 the term ‘conservation ... multiple stochastic simulations of 40 years nominally beginning in 2007 and par- titioned into 20 years ... Paper Title:  The sensitivity of multiple output statistics to input parameters in a krill ... within CCAMLR to evaluate options for managing the Antarctic krill fishery in the Scotia Sea and southern ... 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 ...

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

3. Seasonal and inter-annual variability in the distribution of Electrona carlsbergi in the southern Polar Front area (the area to the north of South Georgia is used as an example)

   occurred in summer. After winter, plankton rises towards the surface and new generations begin to develop ... to migrate vertically each day. In autumn (March to April), E. carlsbergi concentrations begin to move ... to and remain at depths of 200 to 300 m for a long period before the beginning of summer. This is due ... Paper Title:  Seasonal and inter-annual variability in the distribution of Electrona carlsbergi in ... the southern Polar Front area (the area to the north of South Georgia is used as an example) Abstract ... / Description:  From 1987 to 1989 VNIRO (USSR) conducted six trawl and acoustic surveys in the area to the north ... of South Georgia Is between 49° to 54°S and 25° to 40°W. The area is within the Polar Frontal Zone ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 337–367 : Author(s): Kozlov, A.N., K.V. Shust and A.V. Zemsky

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

   . _______________________________________________________________ 1 The CCAMLR fishing season starts on 1 December and ends on 30 November in the following year. In the Ross ... program was initiated by New Zealand vessels in 2001 and after the subsequent recapture of several ... and expected average biomass at 50% B0 at the end of the projection. A number of sensitivity analyses were ... as recruitment multipliers); y_enter is the number of years after it is spawned that a year class enters ... 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 ... since the late 1990s. No fishery-independent methods of monitoring stock abundance were plausible, and ... , and tagging has been an ongoing requirement for all vessels fishing in the fishery since 2004 ...

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

5. Options for allocating the precautionary catch limit of krill among small-scale management units in the Scotia Sea

   be reported at a scale of 10 by 10 n mile squares by 10-day periods at the end of the fi shing season ... of krill allocated to the fi shery should be determined after accounting for predator demand ... the catch may be distributed among SSMUs after considering both the standing stock of krill and predator ... of a predator index which would be measured near the beginning of the CCAMLR fi shing season (1 December ... Paper Title:  Options for allocating the precautionary catch limit of krill among small-scale ... management units in the Scotia Sea Abstract / Description:  Following an assessment of Antarctic krill ... (Euphausia superba) in the Scotia Sea, CCAMLR established a precautionary catch limit of 4 million tonnes and ... further adopted 15 smallscale management units (SSMUs). The intent was to subdivide the precautionary ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 81–97 : Author(s): Hewitt, R.P., G. Watters, P.N. Trathan, J.P. Croxall, M.E. Goebel, D. Ramm, K. Reid, W.Z. Trivelpiece and J.L. Watkins

6. Quantifying movement behaviour of vessels in the Antarctic krill fishery

   , 2007). At the end of each fishing season, each Contracting основанные на результатах этого ... on a conventional krill trawler. At the end of a haul, the net will be brought on board and the krill catch (Cn ... in the reservoir. At the end of next haul, the second catch (Cn+1) will be added to whatever amount of krill ... of the original hauls after a certain number of hauls were simply calculated by divid- ing the number of haul ... Paper Title:  Quantifying movement behaviour of vessels in the Antarctic krill fishery Abstract ... / Description:  Ten years of recent fine-scale haul-by-haul krill data were used to characterise the behaviour ... of the krill fishery. Analysis of distance between hauls in relation to their catch level revealed a ... /haul, and the travel distance decreased as the catch level increased; this pattern was most obvious for ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 131–148 : Author(s): Kawaguchi, S. and S.G. Candy

7. Is current management of the Antarctic krill fishery in the Atlantic sector of the Southern Ocean precautionary?

   . the total weight of reproductively mature individuals) after 20 years of fishing should not be below 75 ... coverage. Comparisons are therefore based on a 27 000 km2 stratum at the northern end of the survey area ... less than during previous years’ (beginning 1977/78). Data from a larger set of scientific net ... estimates at the two scales in 2000 (Table 6). The local monitoring program in Subarea 48.2 did not begin ... Paper Title:  Is current management of the Antarctic krill fishery in the Atlantic sector of the ... Southern Ocean precautionary? Abstract / Description:  This paper explains the management of the Antarctic ... krill (Euphausia superba) fishery in the Atlantic sector of the Southern Ocean, and current knowledge ... about the state of the regional krill stock. In this region, krill fishing is permitted in an area of ...

   Science Journal Paper : CCAMLR Science, Volume 23 (CCAMLR Science, Volume 23) : 31–51 : Author(s): Hill, S.L., A. Atkinson, C. Darby, S. Fielding, B.A. Krafft, O.R. Godø, G. Skaret, P.N. Trathan and J.L. Watkins

8. Exploratory fishing for Dissostichus spp. in the Antarctic region (Subareas 48.1, 48.2 and 88.3)

   in Antarctic waters date back to the beginning of this century. During World War I, the United Kingdom ... exploratory, and later commercial, fishing operations in Southern Ocean waters, which heralded the beginning ... and hauling, depth at each end of the longline, type of bottom and catch of target and by-catch species ... longlines were set between 290 and 350 m (station no. 20), and in Bransfield Strait, where one end ... Paper Title:  Exploratory fishing for Dissostichus spp. in the Antarctic region (Subareas 48.1 ... del Fuego was conducted as part of the New Fisheries Projects developed by Chile, primarily to ... establish the presence of Dissostichus spp. in Subareas 48.1, 48.2 and 88.3. Industrial longlines (Spanish ... system) were used for the operation, with variable quantities of fish hooks (1 440 to 4 320), No. 9 ...

   Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 1–17 : Author(s): Arana, P.M. and R. Vega

9. A review of the diet and at-sea distribution of penguins breeding within the CAMLR Convention Area (submitted to the 2008 Joint CCAMLR-IWC Workshop)

   and will be presented elsewhere. The review begins by giving an overview of methods for studying the diet and at-sea ... overcome using rapid acquisition GPS loggers: these simply record the raw GPS signal for processing after ... can, however, be identified by closing errors (i.e. the distance between the estimated end point ... on current direction and strength and by coercing the trip’s end point to the known colony location (Wilson ... Paper Title:  A review of the diet and at-sea distribution of penguins breeding within the CAMLR ... Convention Area (submitted to the 2008 Joint CCAMLR-IWC Workshop) Abstract / Description:  Managing fisheries ... in an ecologically sensitive manner demands that catches do not depress stocks within the foraging ... bioenergetics models that estimate the amount of prey consumed by predators are required to inform such policy ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 75–114 : Author(s): Ratcliffe, N. and P. Trathan

10. Growth and age/length structure of populations of Notothenia (Lepidonotothen) squamifrons (Nototheniidae) in various areas of the Indian sector of the Southern Ocean

    was determined using standard methods (Chugunova, 1959). To this end, fish scales were used as an age reading ... is from the tip of the snout to the end of the urostyle). Fish weight was determined to the nearest gram ... . to the point at which the sclerites begin to merge). The results of the count were processed on a computer ... growth decreases by a maximum of 2 cm in mature fish aged 8 to 10 and towards the end of life ... ) squamifrons (Nototheniidae) in various areas of the Indian sector of the Southern Ocean Abstract / Description ... ) squamifrons), inhabiting areas of the Ob and Lena Banks and the Kerguelen Island Shelf, are presented in this ... paper. It was found that during the first years of life the linear growth rate is 3 to 5 cm per year. It ... decreases by a maximum of 1 cm during the last years of life. Maximum annual weight increments of 100 to 120 ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 123–139 : Author(s): Zaitsev, A.K.

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