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

   and subsequent multi-year data of recapture of tagged fish in conjunction with fishery catch-at-age data ... -at-age data. This is the first published stock assessment of toothfish in the Ross Sea region ... Sea Region incorporating multi-year mark-recapture data Abstract / Description:  An exploratory ... , and hence a multi-year mark-recapture tagging program was initiated by New Zealand fishing vessels in 2001 ... selectivity 10 20 30 40 50 Age Age Age Age Age Age 10 ... of recapture of tagged fish in conjunction with fishery catch-at-age data. This is the first published stock ... and fishery. Between 700 and 1 000 Antarctic toothfish from the RSR have been aged each year since 1998 ... , assuming that one translucent zone is formed annu- ally in the otoliths of this species. This ageing pro ...

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

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

   December to March was taken within 40 km of the coast, and 90% within 80 km in all years 1988 to 1991 ... % of the catch in Subarea 48.1 from December to March was taken within 40 km of the coast, and 90% within 80 km ... 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 ... within 40 km of the coast, and 90% within 80 km in all years 1988 to 1991. In 1987, 1988 and 1991,75 ... to 90 km radius of breeding sites at these times of year: Ad6lie penguin, 50 to 80 km (Everson, 1987 ... a moins de 40 km de la cote, et 90% a moins de 80 km de 1988 a 1990. En 1987 et 1988, de decembre a mars ... no MapT 6bIJIO nOJIY'-IeHO B pa,l{Hyce 40 KM OT 6epera H 90% B pa,l{Hyce 80 KM OT 6epera. B 1987 H 1988 ...

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

3. 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)

   . This paper reviews all published information on the diet and at-sea distribution of the six penguin species ... Paper Title:  A review of the diet and at-sea distribution of penguins breeding within the CAMLR ... , their diet composition and their seasonal distribution in the marine environment. This paper reviews all ... published information on the diet and at-sea distribution of the six penguin species that breed in the CAMLR ... a useful means of monitoring annual variation in diet com- position within adult and chick age groups ... of the for- aging trip and the colony location), and corrections for displacements can be made using information ... in signatures among these age classes (Cherel, 2008). Accumulation of cephalopod beaks could cause ... and scope The aim of this review is to summarise published data on penguins concerning the components ...

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

4. A first attempt at an assessment of the Patagonian toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands EEZ

   -per-unit-effort (CPUE) trend. Application of a simple age-structured production model (ASPM) provides ... catches and a sharply declining longline catch-per-unit-effort (CPUE) trend. Application of a simple age ... ) is reviewed briefly. It is characterised by very large illegal catches and a sharply declining longline catch ... Islands Exclusive Economic Zone (EEZ) is reviewed briefly. It is characterised by very large illegal ... of the value of h assumed. This is because the age-at-recruitment assumed for the longline fi shery (6 years ... ) trend. Application of a simple age-structured production model (ASPM) provides a robust indication ... presents a fi rst attempt at a quan- titative assessment of the resource, by applying a simple age ... an advantage over age- aggregated (or biomass-based) production models in that they allow for the delay ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 11–32 : Author(s): Brandão, A., D.S. Butterworth, B.P. Watkins and D.G.M. Miller

5. Length-at-age in juvenile Patagonian toothfish (Dissostichus eleginoides)

   in the length density represent different age cohorts separated by one year. File:  01ashford.pdf ... represent different age cohorts separated by one year. ... Paper Title:  Length-at-age in juvenile Patagonian toothfish (Dissostichus eleginoides) Abstract ... density was distinctly polymodal, to see whether ages estimated by reading otoliths were congruent ... in January 2000. 120 100 80 60 40 20 0 Estimated age (years ... 36–40 cm). Prop. = proportion. TL Age 0+ 1+ 2+ 3+ 4+ 5+ 6+ 7+ 14+ 20 4 25 2 30 12 1 35 102 7 40 ... year, and that the previous ages estimated using published von Bertalanffy parameters are too high ... by one year. (ii) Previous ages estimated using published von Bertalanffy parameters are too high ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 1–10 : Author(s): Ashford, J., C. Jones, S. Bobko and I. Everson

6. Evaluating the impact of multi-year research catch limits on overfished toothfish populations

   Paper Title:  Evaluating the impact of multi-year research catch limits on overfished toothfish ... in this study indicate that, where a stock has been depleted to at or below 20% of the median unfished spawning ... Evaluating the impact of multi-year research catch limits on overfished toothfish populations ... that, where a stock has been depleted to at or below 20% of the median unfished spawning stock biomass ... 25% " " 5 730 30% " " 6 677 35% " " 7 As per scenario 3 20% 30 As per Table 1 except age fully ... 1 year Last age class in stock 35 years Oldest age in initial structure 36 years Initial population ... maturity 10–18 years Fishery parameters Age first selected Age fully selected Season Catch during fish ... trial specifications Years to remove initial age structure 1 Years prior to fishing 5 Reference ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 47–55 : Author(s): Welsford, D.C

7. Notothenia (P.) guntheri stock status and TAC estimation in the area of Shag Rocks (Subarea 48.3)

   (Subarea 48.3) Abstract / Description:  Data on age composition of catches and fishing efforts for 1979/80 ... commercially taken age groups (2-4 years); (b) Fishing intensity in the predicted period is at the level ... Data on age composition of catches and fishing efforts for 1979/80-1987/88 were used to analyse ... and 160 thousand tonnes when the Gamma method was used (actual values of first and second age groups ... on age composition of catches and fishing efforts for 1979/80-1987/88 were used to analyse N. guntheri ... la composition en ages des prises et sur I'effort de peche pour 1979/80-1987/88 ont ete utilisees ... groupes d'age pris commercialement (2-4 ans); ( b) L'intensite de la peche dans la periode definie ... Legends Data on average weight of N. guntheri individuals of different age, in different years. Age ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 53-68 : Author(s): Shust, K. and R. Borodin

8. An overview of Southern Ocean zooplankton data: abundance, biomass, feeding and functional relationships (submitted to the 2008 Joint CCAMLR-IWC Workshop)

   addressing rate processes. This review aims to summarise these data and show where it resides, to assist SO ... for differences in the extent of identification of early larval stages. Likewise, the time of year, depth ... <30% of primary production. This emphasises the dominant role of microbial food chains involving ... on their distribution with a minority addressing rate processes. This review aims to summarise these data and show where ... 600 P er ce nt ag e re te nt io n 100 80 60 40 20 0 68 Figure 2a. Data taken from ... is available. Their aver- age daily C rations are ~6–7%, similar to those of krill (Pakhomov and Perissinotto ... ). Gallienne and Robins (2001) estimated the percent- age retention of abundance, biomass and production ... 200 300 400 500 600 P er ce nt ag e re te nt io ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 171–218 : Author(s): A. Atkinson, P. Ward, B.P.V. Hunt, E.A. Pakhomov and G.W. Hosie

9. Age determination of Notothenia gibberifrons from the South Shetland Islands, Antarctic Peninsula subarea (Subarea 48.1)

   Paper Title:  Age determination of Notothenia gibberifrons from the South Shetland Islands ... between false and annual checks in scales. Age determination by otolith cross sections proved ... to be the most reliable method. Mean length data at age presented here for Low I. specimens were compared ... those in the same age group around South Georgia. Likewise, our values are lower than the ones reported ... . Up to now several papers have been published on the age and growth of N. gibberifrons. Kock et al ... indicated one extra year. This finding is discussed below. Table 2 shows the observed age-length ... years, respectively. Comparison of mean length at certain age groups suggested similarity in growth ... for the first 1-4 year age groups. Therefore, growth curves were not fitted. 4. DISCUSSION Fishes of larger ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 143-160 : Author(s): Barrera-Oro, E.

10. Antarctic krill and ecosystem management – from Seattle to Siena

    documenting developments during CCAMLR’s first 20 years of existence. File:  12miller.pdf ... ), with the three papers documenting developments during CCAMLR’s first 20 years of existence. ... to be consistent with the objectives of the CAMLR Convention, particularly its Article II. Emphasis is given ... to be consistent with the objectives of the CAMLR Convention, particularly its Article II. Emphasis is given ... age (Siegel and Nicol, 2000), it was recognised that traditional annual assessments of krill ... , such as variable age-at-recruitment, seasonal growth and catch history, as well as age-at-fi rst-capture, were ... an age-structured krill population model has been constructed for the Antarctic Peninsula (e.g ... refi ned. Tracking Indices in Krill Biomass Realising that age-based assessments of krill were ...

    Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 175–212 : Author(s): Miller, D.G.M

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