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1. Composition and characteristics of ichthyofauna in pelagic waters of South Georgia (Subarea 48.3)

   and Shag Rocks over several years. This paper, together with summaries of results of bottom ... middle and the 15-metre near-bottom layer. Trawls were made at each depth at a speed of 3 to 3.5 knots ... in the years of strong year classes and fishing mortality represents only a minuscule fraction of ... : horizontal, vertical and temporal distribution and early life history relevant to monitoring year-class ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 125–164 : Autor(es): Frolkina, G.A., M.P. Konstantinova and I.A Trunov

2. Consideration of major issues in ecosystem monitoring and management

   specific survival 1 year 100s A5 Foraging trip duration 2 months 1–2 days 25–50 A6 Breeding success 2–3 ... Fur seal C1 Foraging trip duration 2–3 months Several days 20–100 C2 Pup growth 2–3 months 2–3 months ... % Age at first maturity 5–6 years 2–3 years Survivorship from juvenile to maturity ~75% ~70% (assuming ... certainly differ over the year. Thus, in terms of small-scale interactions, such as those associated with ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 213–232 : Autor(es): Everson, I

3. Foraging behaviour and reproductive success in chinstrap penguins: the effects of transmitter attachment

   method with which to monitor foraging trip duration in penguins by the CCAMLR (Commission for the ... on: (i) the effects of radio transmitter attachment on nest attendance, foraging trip duration, nest ... 10 nests were equipped with a radio transmitter, 120 nests were used as a control group. The results ... may be no difference between trip durations obtained by applying the transmitters to one or both ... accepted as a standard method with which to monitor foraging trip duration in penguins by the CCAMLR ... radio transmitters has been accepted as a standard method with which to monitor foraging trip duration ... dislike least? Wildl. Manage. 54(3): 447-451. 298 Table 1: Mean foraging trip and visit durations ... Transmitters Early Brooding: Trip 13.4 14.7 14.6 17.1 (6.0, 99) (4.7, 16) (6.0, 16) (9.6, 15) Visit ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 291–303 : Autor(es): Croll, D.A., J.L. Bengtson, P.L. Boveng, M.E. Goebel and J.K. Jansen

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

   the age of 2-3 years. It has been found that, by number, recruits represent the largest part of the ... the eastern, northern, western and southern parts of the shelf, and near Shag Rocks, revealed a ... Rocks. Differences were observed between those those two groups and the eastern group. The larger number ... of mature fish in the west is related to the migration of maturing individuals from the eastern and ... up to 7 years old (Figures 3 and 4). As a rule, 3-year-old, and sometimes 4-year-old fish dominated ... Lepidoiiotothen squni71zfions - formed commercial concentrations in the northwest. In later years, C. gtlnizari ... in the commercial fishery off South Georgia were between 1 and 7 years old, with occa- sional ... individuals up to 11 years. At Shag Rocks fish were aged up to 5-6 years, with small numbers of individuals ...

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

5. Estimating the impact of depredation by killer whales and sperm whales on longline fishing for toothfish (Dissostichus eleginoides) around South Georgia

   . Since 2003, cetaceans have been observed on 22% of 14 300 observed lines, with killer whales present on ... whales have been more frequently encountered in recent years, occurring in larger pod sizes, whereas ... whales occur during May at the start of the season with the sightings becoming fewer towards the end of ... the season in August. Killer whale interactions appear to be more consistent with no obvious pattern ... , because the proportion of sets where they are present is between 3 and 5%. Over the seven years of study ... some years, which combined with the high levels of encounter in these years significantly increased ... sperm whales. A GAM, constructed with year, vessel nation- ality, depth, month, area and number of ... °S 36.5°W); (b) the five fine-scale rectangles with the highest CPUE in any one year. The results ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 163–178 : Autor(es): Moir Clark, J. and D.J. Agnew

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

   densities of krill in the oceanic parts of the Drake Passage were low (3 g m-2); however, the results also ... Drake Passage were low (3 g m-'); however, the results also indicated that spatial variability was ... faible (3 g m-') dans les ritgions ocbaniques du passage Drake; toutefois, elle indique egalement que la ... ~ 3 ~ p o s a ~ b r a K y c m s e c K H e A a H H b i e , nonyqembre B p e 3 y n b ~ a ~ e I I o ... J I b c K o f i C ' b e M K M (B P a M K a X I I p O r p a M M b I FIBEX) B 3 a I l a ~ H o f i ...

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

7. Age and growth of the Antarctic skate (Amblyraja georgiana) in the Ross Sea

   ages at maturity of 6–7 years for males and 8–11 years for females. These estimates are near the middle ... . Caudal thorns viewed with transmitted white light provided the clearest growth bands, but reading ... been validated. The maximum estimated age was 14 years, but this should be regarded as a conservative ... ]), where L t is the pelvic length (PL) in centimetres at age t years. Applying this growth curve to the ... –7 years for males and 8–11 years for females. These estimates are near the middle to upper end of ... skate, but usually they fell in the middle of the size range (Figure 1); this is consistent with the ... , four with scores of 3, and one with a score of 4. There are many possible explanations for these ... years for females. These estimates are near the middle to upper end of the range of ages at maturity ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 183–194 : Autor(es): Francis, M.P. and C. Ó Maolagáin

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

   median pre-exploitation level over a 20 year period of harvesting should equal 10%. The value of, λ ... model for the length of kriU of age (a+t) years may be written: 208 { .e .. [ 1-e -(3(a+ot)] .e ... of equation (2). Age a Length £(a) (years) (mm) 0 0 1 22 2 36 3 44 4 50 5 54 6 56 7 57 ... model of Appendix 1 with the "base case" set of parameter value choices: ~ = 3; elm = 3 and O's = 0.3 ... .3) In the middle of the season during which the krin grow, their mass-at-age (w .) is then: wa ...

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

9. Biogeographic patterns of benthic invertebrate megafauna on shelf areas within the Southern Ocean Atlantic sector

   Southern Ocean habitats into zoogeographical provinces date back to the early 20th century (Koehler ... land-based stations, and have been limited by very small spatial scales with little attention given ... communities for com- parative purposes, with an ultimate aim of identi- fying and understanding broader-scale ... (Subarea 48.2), a four-panel bottom trawl (HBST) with vented V-doors (Net Systems Inc., Bainbridge Island ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 167–192 : Autor(es): Lockhart, S.J. and C.D. Jones

10. Integrating Count Effort by Seasonally Correcting Animal Population Estimates (ICESCAPE): a method for estimating abundance and its uncertainty from count data using Adélie penguins as a case study

    animal count data to a common reference point of breeding chronology for species with a complex temporal ... reported measures of uncertainty associated with originally published counts are propagated through to the ... as represent- ing 1, 2 or 3 standard errors around the estimate, with an additional option of ... the adult data, with dis- tributions arising from 1 000 bootstrap replicates shown in Figure 3 ... ) on 17 November 1972, together with the aggregated distribution for all sites combined. is ... animal count data to a common reference point of breeding chronology for species with a complex temporal ...

    Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 213–227 : Autor(es): McKinlay, J., C. Southwell and R. Trebilco

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