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1. Trends in relative abundance of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps at Potter Cove, South Shetland Islands, after commercial fishing in the area

   to the inshore sub-populations of N. rossii and G. gibberifrons over the last 16 years was most probably caused ... -populations of N. rossii and G. gibberifrons over the last 16 years was most probably caused by the offshore ... to 30 April next year. Variance was normalised using the trans- formations: in the case of numbers ... in Table 1. Split-year (1 May to 30 April) means of total catches per haul are presented in Figure ... = 0.15), together with the observed split-year mean values. Annual marks correspond to 1 January each ... over the last 16 years was most probably caused by the offshore commercial fishery in the area ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 43–52 : Author(s): Barrera-Oro, E.R., E.R. Marschoff and R.J. Casaux

2. Effects of different harvesting strategies on the mackerel icefish Champsocephalus gunnari around South Georgia

   on the mackerel icefish (Champsocephalus gunnari) have been simulated for a period of 30 years. These were ... ) have been simulated for a period of 30 years. These were: different levels of constant fishing ... with F increasing three or five years after a good recruitment; pulse fishing at an interval of three years ... to the strength of the incoming year class. An increase of F, however, should not occur earlier than four years ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 77–100 : Author(s): Köster, F.W. and K.-H. Kock

3. Revised estimates of seabed areas within the 500 m isobath of the South Orkney Islands (subarea 48.2) and consequences for standing stock biomass estimates of nine species of finfish

   examined, the point estimate of total biomass increased from 5 to 30% for eight species and decreased by 20 ... increased from 5 to 30% for eight species and decreased by 20% for one. ... and 250-500 m depth intervals. The updated estimates are about 1 424 (20%) n miles larger in area within ... estimates are about 1 424 (20%) n miles larger in area within the 50-500 m isobaths than Everson' ... biomasse totale a augmente de 5 a 30% pour huit especes et diminuk de 20% pour la neuvieme. Eb1JTa ... OqeHKa o6qet ~ H O M ~ C C ~ I BO3pOCna Ha 5-30% AJIR 8 BHAOB M COKpaTHJIOCb Ha 20% AnR OifHOrO ... total aumento entre 5 a 30% para ocho de las nueve especies de peces examinadas, y disminuy6 en 20 ... m range (Table 3). Difference -368.21 (-37%) 282.94 (+23%) 1 509.58 (+30%) 1 424.30 (+20 ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 197–204 : Author(s): C.D. Jones

4. Analysis of haul data from the South Georgia krill fishery

   neighbourhood. The range of measurements describing the fishery indicates that differences existed between years ... neighbourhood. The range of measurements describing the fishery indicates that differences existed between years ... CCAMLR Science, Vol. 5 (1998): 9-30 ANALYSIS OF HAUL ... . The range of measurements describing the fishery indicates that differences existed between years ... restreint. L'intervalle de valeurs decrivant la pccherie met en evidence des differences entre les annees ... , BbInOnHeHHbIM TpaynepaMH, ocyqecTsnaBmmm npoMbrcen KpHnrr B pafio~e K ) x ~ o f i l -eopr~u 3a nepr?on 1994 ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 9–30 : Author(s): Trathan, P.N., I. Everson, E.J. Murphy and G.B. Parkes

5. Analysis of the diet of Champsocephalus gunnari at South Georgia in late summer from 1994 to 1997, Dr Eduardo L. Holmberg surveys

   and Thysanoessa sp., which are known to be important alternative food in years of krill scarcity, as well as fish ... , was only occasional or negligible and varied from year to year. The spatial distribution of the main prey ... 48.3, did not show a consistent pattern from year to year.  Likewise, in the four surveys by the Dr ... in Subarea 48.3 during the period investigated can be defined as low in 1994 (equivalent to years of krill ... , 1995). In 1996 and 1997 fish between 16 and 20 cm predominated; in 1997 a peak between 25 and 30 cm ... (ranges 12-20 cm/l-2 years) was found in the catches during the RV Dr Eduardo L. Holmberg surveys over ... of C. gt~nnari was the lowest registered for cruises carried out over the last 30 years, even lower than ... to be important alternative food in years of krill scarcity, as well as fish, was only occasional or negligible ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 103–123 : Author(s): Barrera-Oro, E., R. Casaux and E. Marschoff

6. Effects of recruitment variability and natural mortality on generalised yield model projections and the CCAMLR decision rules for Antarctic krill

   below 20% of its pre-fishing median level over a twenty-year period, called the ‘threshold ... ). When natural mortality was held con- stant at 0.8 but CVs of 10%, 20% and 30% were added ... an order of magni- tude from 1992 to 2010 (Kinzey et al., 2011), so a high-abundance year with 20 ... on P ro po rti on P ro po rti on P ro po rti on P ro po rti on 20 30 40 ... proportional recruitment of krill. In this study, krill sampling data for empirical size frequencies were ... . The annual proportions of krill less than 36 mm in length to the total captured in net samples in four ... proportional recruitment in the CCAMLR study areas was similar to the variability in other krill studies and in ... the annual size distributions of krill in penguin diets. Simulations with either no fishing, or with ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 81–96 : Author(s): Kinzey, D., G. Watters and C.S. Reiss

7. The effects of monitoring procedures on Adélie penguins

   et des marques. Cet examen, s'il met en evidence une legere reduction du taux de retour des oiseaux ... lavage and ins t rument at tachment (SC-CAMLR, 1991). Disturbance to individuals and colonies ... , USA), 30 mm long and 3 mm in diameter, implanted under the skin of the neck or by a conventional ... given both a band and a tag. Some of those tagged in 1991/92 had been banded the previous year ... loss. There was a slight reduction in return rates of birds banded for more than one season, but no ... incubation period resulted in increased foraging trip durations and reduced breeding success. Attachment for ... single or multiple foraging trips post-hatching caused no significant increase in foraging trip durations ... . No reduction in fledging rates of chicks from nests of stomach-lavaged birds was detected over two ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 155–164 : Author(s): Clarke, J. and K. Kerry

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

   and South Orkneys Abstract / Description:  A set of concentric zones of 20 km width was defined around ... in all years 1988 to 1991. In 1987, 1988 and 1991, 75% of the catch in Subarea 48.2 between December ... ranges and population sizes from the literature are used to show that for some years catches within 100 ... A set of concentric zones of 20 km width was defined around selected colonies of penguins ... square (1 0 longitude by 30' latitude) for each quarter (three months) of the year. Total catches ... in the subarea for the year which is caught in the CPD is given, together with the catch as a percentage ... .c. 70 J:! tfJ 0 () 50 -0 40 a-e 30 20 10 0 0 0 0 N ~ -0 0 0 0 0 0 co ... I .!: I ............... 1988 () ro +- I 0 I - - - 1989 () 50 '0 • ,- 40 I / ~ I _J -. - - 1990 30 . . I tI --20 tI ...

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

9. Timing of clutch initiation in Pygoscelis penguins on the Antarctic Peninsula: towards an improved understanding of off-peak census correction factors

   0.6 0.8 1.0 Fr ac tio n of m ax im um c ou nt 0 5 10 15 20 25 30 Days since maximum count ... 0 5 10 15 20 25 30 Days since maximum count 0 5 10 15 20 25 30 Days since maximum count Adelie gentoo ... Days since maximum count 0 5 10 15 20 25 30 0 5 10 ... 15 20 25 30 0 5 10 15 20 25 30 gentooAdélie ... Paper Title:  Timing of clutch initiation in Pygoscelis penguins on the Antarctic Peninsula ... . In this paper the authors present an analysis relating to both these challenges. Clutch initiation ... Petermann Island) in relation to potential drivers of clutch initiation (e.g. temperature, precipitation ... factor related to the timing of clutch initiation in all three of the penguin species examined (Adélie ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 149–165 : Author(s): Lynch, H.J., W.F. Fagan, R. Naveen, S.G. Trivelpiece and W.Z. Trivelpiece

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

    multiple stochastic simulations of 40 years nominally beginning in 2007 and par- titioned into 20 years ... ., 2004; Hill et al., 2007a; Plagányi and Butterworth, 2012). CCAMLR Science, Vol. 20 (2013): 97–118 ... Vectors 4 18 1 2 144 Catch Vectors 1 15 1 2 30 Threshold density Vector 1 15 1 15 Available fraction ... modelled areas, except for time series where it is the number of relevant modelled years (although ... Paper Title:  The sensitivity of multiple output statistics to input parameters in a krill ... strategic frameworks for assessing uncertainty in ecosystem dynamics models. Such models have been used ... within CCAMLR to evaluate options for managing the Antarctic krill fishery in the Scotia Sea and southern ... plausible alternative hypotheses in data-poor situations. Apparent sensitivity is a function of both input ...

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

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