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1. A fine-scale model of the overlap between penguin foraging demands and the krill fishery in the South Shetland Islands and Antarctic Peninsula

   developed. The new index reflects the functional interaction between these two utilisers of the krill ... developed. The new index reflects the functional interaction between these two utilisers of the krill ... . In the first analysis, mean foraging distance for chinstrap penguins was increased by 50% (from 20 to 30 km ... the functional interaction between these two utilisers of the krill resource and is based on a detailed model ... , IIO3lyqt:HHOMY B PaAHYCe 100 KM OT K O ~ O H U ~ ~ IIAHrBAHOB B 0 BPeMR Ce30Ha pa3MHOlKeHMX (AeKa6pb ... - M ~ P T ) , B npOLWIOM 6b1na MCIIOnb30BaHbI AHTKOMOM B KaYeCTBl? MHAeKCa YaCTMYHOrO COBIlaAeHMR noTeHqwanbHbIx nnowa ...

   Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 99–110 : Author(s): Agnew, D.J. and G. Phegan

2. Species identification and age estimation for the ridge-scaled macrourid (Macrourus whitsoni) from the Ross Sea

   and Atmospheric Research (NIWA). Two species were found, Macrourus whitsoni and M. holotrachys. A previously aged ... to at least 50 years. Females grow at a faster rate, and reach a larger size, than males, but both sexes ... years. File:  03marriott-etal.pdf ... by researchers from the National Institute of Water and Atmospheric Research (NIWA). Two species were found ... opaque and one hyaline zone represent one year’s growth in the otolith. A read- ability value ... for M. whitsoni 44 Marriott et al. 0 10 20 30 40 50 60 70 80 90 100 0 5 10 15 20 25 30 35 40 45 50 ... 20 30 40 0 20 40 60 80 100 Total length (cm) S no ut –v en t l en gt h (c m ) Males ... g 1 0 to ta l l en gt h (c m ) Females y = 0.3917x - 1.9855 R2 = 0.923 n = 900 0 10 20 30 40 0 20 ...

   Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 37–51 : Author(s): Marriott, P., P.L. Horn and P. McMillan

3. A simple approach for calculating the potential yield of krill from biomass survey results

   -exploitation level over a 20 year period of harvesting should equal 10%. The value of, λ depends strongly ... -exploitation level over a 20 year period of harvesting should equal 10%. The value of, λ depends ... for the calculations is that the probability that the krill spawning biomass drops below 20% of its median pre ... for the calculations is that the probability that the krill spawning biomass drops below 20% of its median pre ... le suivant : la probabilite qu'en une periode d'exploitation de 20 ans, la biomasse reproductrice du ... to exploitation, over a 20 year period of harvesting, is equal to 10%. Clearly the value of A. is dependent ... upon which to regulate the fishery for the following 20 years, is that from a single pre-exploitation ... for krill in these calculations indicates a fairly long-lived animal. If this is correct, one would ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 207–217 : Author(s): Butterworth, D.S., A.E. Punt and M. Basson

4. Management and uncertainty: the example of South Georgia

   an examination of Articles IX 2(f) and XV 2(e, d) of the CCAMLR Convention it follows that a comparison ... of the immediate and long-term effects of any one proposed measure with those of any other measure (including ... an examination of Articles IX 2(f) and XV 2(e, d) of the CCAMLR Convention it follows that a comparison ... of the immediate and long-term effects of any one proposed measure with those of any other measure (including ... will be very low, perhaps one or two hundred tons in total over the next 10 years. If recent year-classes ... , but with the stocks declining, are unlikely to exceed one or two thousand tons in 10 years. - 350 - A more ... some 20 millions before 1965, to some 3 to 6 millions for the 1967 to 1975 year-classes, to possibly ... only 40,000 in the 1980 year-class (paragraph 20 of the report). - 346 - Accepting ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 341-353 : Author(s): Gulland, J.A.

5. An assessment of the exploratory fishery for Dissostichus spp. on BANZARE Bank (CCAMLR Division 58.4.3b) based on fine-scale catch and effort data

   species in catches in one ground for the first time. Incomplete reporting of biological information ... that severe depletion can occur in the space of just two or three seasons. File:  03mckinlay et al.pdf ... species in catches in one ground for the first time. Incomplete reporting of biological information ... that severe depletion can occur in the space of just two or three seasons. ... 3). This was particularly evident for a Flag State G vessel, two Flag State C vessels, and one Flag State B vessel, all ... species in catches in one ground for the first time. Incomplete reporting of biological information ... that severe depletion can occur in the space of just two or three seasons. Résumé En 2006, le Comité ... Dissostichus spp. du banc BANZARE (division 58.4.3b de la CCAMLR). Cet article présente un résumé des données ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 55–78 : Author(s): McKinlay, J.P., D.C. Welsford, A.J. Constable and G.B. Nowara

6. Assessing the power to detect systematic change in Adélie penguin foraging trip duration

   constructed and fitted to data collected at Béchervaise Island over a 12-year period when only natural ... , but variability among years was greater in the guard stage. Estimates of variability were used to explore ... or trips sampled diminished rapidly when sample sizes were greater than 30 penguins and three trips per ... of days to weeks, because of the high level of natural between-year variation, it would take many years ... in the single case of 30 years of moni- toring during the crèche period with a Type I error rate of 0.20 ... a number of impact (step, ramp and trend increases of 25%) and monitoring (1–10, 15, 20, 25 and 30 years ... , it would take many years of post-impact monitoring to detect systematic change with high power unless one ... . If the minimum percentage increase from one year to the next that is considered to be of significance is set ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 201–215 : Author(s): Southwell, C., J. Clarke and L.M. Emmerson

7. 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 ... : and a bandwidth of 0.15 which yields an effective bandwidth of approximately one year. Barrera-Oro et al ... 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 ...

   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

8. Seabird interactions with longlining operations for Dissostichus eleginoides at the South Sandwich Islands and South Georgia

   mortality was seen and only one bird was caught on a hook; nevertheless many species in these aggregations ... during day hauling operations. No incidental mortality was seen and only one bird was caught on a hook ... . Pieces of the squid Illex argentinus were used for bait, with roughly 20-30 g/hook. Although expensive ... configurations of streamer lines might be easier to accommodate, e.g. two lines, one to port and the other ... . No incidental mortality was seen and only one bird was caught on a hook; nevertheless many species ... M ~ h 1 6 0 p ~ y IIPYCOB An2 noBa KnbrKava Dissostichus eleginoides B pafio~e tOrn~b1x C ~ H A B H ~ ~ B ~ I X 0-BOB ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 143–153 : Author(s): Ashford, J.R., J.P. Croxall, P.S. Rubilar and C.A. Moreno

9. Acoustic estimates of krill density at South Georgia, 1981 to 1998

   from year to year over that time, ranging from ≈ 2 to  ≈ 150 g m-2 (fresh mass). The 1982, 1991 ... year to year over that time, ranging from ≈2 to ≈150 g m-2(fresh mass). The 1982, 1991 ... ). For the remaining two years, 1982 and 1992, density estimates were derived from surveys around the whole island ... Since the 1996 austral summer (austral summer seasons include months from two calendar years ... density of krill at South Georgia has varied between years from <2 g m-2 to >l50 g m-?, i.e. by two ... on average in one year out of every six or seven1. Survey timing, however, may influence the perception one ...

   Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 47–57 : Author(s): Brierley, A.S., J.L. Watkins, C. Goss, M.T. Wilkinson and I. Everson

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

    . Differences were observed between those those two groups and the eastern group. The larger number of mature ... of the area. It is implied that part of tlne western group migrates towards Shag Rocks at the age of 2-3 years ... and near Shag Rocks. Differences were observed between those those two groups and the eastern ... towards Shag Rocks at the age of 2-3 years. It has been found that, by number, recruits represent ... 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 ... Rocks were only observed in five out of 20 abundant year classes at South Georgia (1975,1981,1985,1986 ... the size one or two age groups were always prevalent in composition of catches: the smallest average fish ...

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

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