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

   to range from 27.3% to 29.1% of the total catch (landed and depredated), which is one of the highest among ... % of the total catch (landed and depredated), which is one of the highest among all similar situations where ... aimed at providing two indirect methods of assessment of depredated biomass over an 11-year period (2003 ... Paper Title:  Comparison of two methods to assess fish losses due to depredation by killer whales ... and depredated), which is one of the highest among all similar situations where depredation is reported ... was made to use data 15% away from this ideal case to obtain sufficient sample size. These cells were ... , Patagonian toothfish is tagged at a rate of one fish/tonne. Fishing ves- sels concentrate their effort ... . Beddington and T.J. Pitcher. 2009. Estimating the worldwide extent of ille- gal fishing. PLoS ONE, 4: e4570 ...

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

2. Optimization of survey sampling design in the detection of interannual variability and prey size selectivity in the diet of penguins

   , for Esperanza Base it was estimated based on two people working for 20 minutes; and the laboratory time was one ... nOTpe6JISleMbIX BH,lIOB H pa3MepHoti CeJIeKTHBHOCTH nHHrBHHOB aHaJIH3HpYIOTCSI C TOqKH 3peHHSI On ... THMaJIbHoti HHTeHCHBHOCTH Ha6JIIO,lIeHHti Ha Ka)J{,lIOM ypOBHe rHe3,l10BbIX cxeM. IIpe,llJIaraIOTCSI OnTHMaJIb- HbIe ... person working for one hour to sort and clean the well-preserved fraction of stomach content; and CK ... and prey size selectivity in the diet of penguins Abstract / Description:  Based on the preliminary ... errors fixed at 0.1. Cost values of manpower required are based on Argentinian logistics. File:  34 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 551–559 : Author(s): Marschoff, E. and B. Gonzalez

3. Fishing ground selection in the Antarctic krill fishery: trends in patterns across years, seasons and nations

   ) within Subareas 48.1, 48.2 and 48.3, including the pelagic SSMUs, only one-third were identified as major ... the pelagic SSMUs, only one-third were identified as major contributors to the total catch. A recent shift ... years, seasons and nations Abstract / Description:  Patterns of fishing ground selection were ... remained relatively constant in Subareas 48.2 (March–May) and 48.3 (June–August). In 25 years of krill ... 48.1, 48.2 and 48.3, including the pelagic SSMUs, only one-third were identified as major contributors ... catch limits, the behavioural patterns of fishing vessels are one of the most important factors, since ... increased from an aver- age of 2.2 tonnes/h (until 1990/91) to 3.7 tonnes/h (from 1991/92 onwards). KOR did ... and 48.3, including the pelagic areas, only one-third of the SSMUs (APDPW, APDPE, APEI, SOW and SGE ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 117–141 : Author(s): Kawaguchi, S., S. Nicol, K. Taki and M. Naganobu

4. Age–length composition of mackerel icefish (Champsocephalus gunnari, Perciformes, Notothenioidei, Channichthyidae) from different parts of the South Georgia shelf

   of the area. It is implied that part of tlne western group migrates towards Shag Rocks at the age of 2-3 years ... towards Shag Rocks at the age of 2-3 years. It has been found that, by number, recruits represent ... Paper Title:  Age–length composition of mackerel icefish (Champsocephalus gunnari, Perciformes ... to determine the age-length composition of mackerel icefish (Champsocephalus gunnari) from different parts ... the presence of one or two dominant age groups was characteristic for C, gulznnri, not only during years ... split-year, which starts on 1 July. On this date fish age was increased by one year. RESULTS ... the size one or two age groups were always prevalent in composition of catches: the smallest average fish ... comprises one or two age groups of fish, predominantly at the stage of maturation. This is one ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 133–146 : Author(s): Frolkina, G.A

5. A compilation of parameters for ecosystem dynamics models of the Scotia Sea – Antarctic Peninsula region

   demand estimates are based usually consider time Hill et al. 8 periods of less than one year, which ... males (aged ≥7 years) per adult female and μM and μF are the male and female mortality rates ... of krill in one year. The total demand was divided equally between summer and winter. Whales W1 ... 3 Parameters for Scotia Sea ecosystem dynamics models functioning of the ecosystem. One of the key uncer ... species that feed on krill in this region. Maximum krill transport rates are also derived from the OCCAM ...

   Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 1–25 : Author(s): Hill, S.L., K. Reid, S.E. Thorpe, J. Hinke and G.M. Watters

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

   Watters et al. (2013) describe a spatially resolved stochastic simulation model representing one prey ... , Watters et al. (2013) generated 68 statistics, including one each for krill (productivity) and fishery ... used by Watters et al. (2008a; 2009; 2013). A local sensitiv- ity analysis varies one input at a time ... Hill and Matthews 100 (reproductive success is proportional to for- aging success versus reproductive ... recruitment through pre-recruit mortality. A parameter mediating the effect of a forcing function on krill ... recruitment, which was used to condition the model on past dynamics, was also important, and some of the ...

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

7. Analysis of changes in biomass of fish stocks in the South Georgia area in 1976/77-1986/87

   stock. High biomass density appeared with 2-4 year intervals after recruiting an abundant year-class ... . High biomass density appeared with 2-4 year intervals after recruiting an abundant year-class ... with lengths of 42-65 cm, mostly from age-groups V and VI (year classes of 1977 and 1978). Higher biomass ... 3). The estimate made in the 1983/84 season is approximately two times lower than the remaining ones, because ... . In a period of predominance of age-group II fish in the catches, they appeared with 2-4 year intervals ... /83 and 1983/84 (Anon. 1986). The abundant year class of 1984, observed in great numbers as age-group ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 185-211 : Author(s): Mucha, M. and W. Ślósarczyk

8. The ecosystem approach to managing fisheries: achieving conservation objectives for predators of fished species

   a range of 'ecosystem' effects and, as formulated here, can also be related directly ... in that year, B ,,,,,, is the individual mass of the predator at age in that year, G,,,,,, is the age ... -specific growth rate of individuals, R,, , is the number of offspring (age 0) in that year ... of change of N,,,,,, during the year is given by where M(p,n+t) is an age-specific function of natural ... offspring in that year, and m,,,, ,, is the predator-specific metabolic cost of maintaining one unit ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 37–64 : Author(s): Constable, A.J

9. Fish distribution and biomass in the Heard Island zone (Division 58.5.2)

   . There was one aggregation area of Lepidonotothen squamifrons on an outlying bank during two surveys ... the total biomass is relatively high by virtue of the large area it occupies. There was one aggregation area ... , abundance and biology of the most important species, covering a number of years and seasons. Five species ... were found to be abundant. There were two consistent areas of aggregation of Champsocephalus gunnari ... of the common one site in Pike, two in 200, one in 300 and one in species, 200 specimens were selected ... , high densities were recorded only in two restricted localities. One was on Aurora Bank, where ... (ages about 10 to 15 years), but also a good spread of strong younger size classes. By spring 1993, 18 ... small number of fish) were aged about 3 to 5 years. This supports the notion of the older spawning ...

   Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 1–20 : Author(s): Williams, R. and W.K. de la Mare

10. Estimating optimal observer coverage in the Antarctic krill fishery

    have been placed on approximately 50% of vessels fishing in any one season, and have been present ... have been placed on approximately 50% of vessels fishing in any one season, and have been present ... on board for about 30% of that season. They have achieved a rate of krill sampling equivalent to 18 ... , 20% of total season hauls sampled for krill and an equivalent or higher sampling proportion ... to test, with this dataset, whether one year of full observer coverage would have been equivalently ... 2002: observers have been placed on approximately 50% of vessels fishing in any one season, and have ... in the Results section. This allowed the relation between cover- age (reflected in values ... hauls and aver- age krill sampling per vessel of 18% of total hauls (Table A1). For the larval fish ...

    Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 139–154 : Author(s): Agnew, D.J., P. Grove, T. Peatman, R. Burn and C.T.T. Edwards

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