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1. Feasibility of trawl surveys to estimate abundance of juvenile toothfish in Subarea 88.1

   conducting trawl surveys for juvenile toothfish in Subarea 88.1 (Ross Sea). Potential problems including a ... , were considered using data from published and unpublished literature, the exploratory longline fishery ... average over the last three years, 63% of the seabed area from 0–600 m depth was not fishable in January ... –February because of ice. Ice cover varied greatly between years, with the untrawlable area ranging from 31 ...

   Meeting Document : WG-FSA-SAM-04/07 : Autor(es): Wood, B.A., ODriscoll, R.L., Hanchet, S.M.

2. Size and density of krill layers fished by a Japanese trawler in the waters north of Livingston Island in January 1988

   10 20 30 40 50 60 70 80 NET V 0 L U MED ENS IT Y ( g. m-3 ) Figure 3: Frequency distributions of ... -operative survey between RV Kaiyo Maru and a Japanese trawler was conducted from 17 to 20 January 1988 on ... the fishing ground north of Livingston Island (Figure 1). A total of 30 experiments on TS measurement ... including 30 co-operative experiments, was provided by the trawler. The number of krill aggregations per ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 339–345 : Autor(es): Endo, Y. and Y. Shimadzu

3. Preliminary analyses of data collected during experimental phases of the 1994/95 and 1995/96 Antarctic crab fishing seasons

   suggested that depletion estimators will not be appropriate tools for estimating local abundances of P ... liberty for about one to five weeks. The recaptured crabs had minimum movement rates of 0.08 to 0.25 n ... miles/day. Mark-recapture estimates of standing stock and density were made for the area around Phase 2 ... attempts were made to account for biased sampling of recaptured crabs and the movement of crabs away from ... experiments, CCAMLR INTRODUCTION The Commission has adopted an experimental harves t regime (EHR) for ... ) provided a formula for making an unbiased estimate of population size ( 6 ) from mark-recapture data ... as unmarked crabs; in Table 5. An attempt was made to account for Movement Rate (n mile/day) 0.08 ... extended (in a slightly revised format) for another three f ishing seasons (to the 1997/98 split-year ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 141–159 : Autor(es): Watters, G

4. Fishery Report: Dissostichus eleginoides Crozet Island inside the French EEZ (Subarea 58.6)

   2005/06 and then declined in more recent years. 8. Depredation has an impact on the catch landed from ... 2009. These included: (i) Continuation of an action plan – The plan contains action details for ... the following year, the season used in this report is the CCAMLR season (1 December to 30 November ... unknown. 3. Summary of the longline fishery 6. Reported catches by year and nationality for ...

   Document : Site Section: Publications

5. Adélie penguin colony size predicts south polar skua abundance on Ross Island, Antarctica

   carrion. We estimated skua abundance at Adélie penguin colonies on Ross Island in two consecutive years ... and tested for a relationship between these estimates and penguin colony sizes. We used distance ... areas that skuas occupied. Applying our regression model to published mean Adélie penguin colony sizes ... also likely an overestimate. We plan to revise our estimates and regression model by redefining the ...

   Meeting Document : WG-EMM-14/55 : Autor(es): D.J. Wilson, P.O’B. Lyver (New Zealand), A.L. Whitehead (Australia), T.C. Greene (New Zealand), K. Dugger (USA), B.J. Karl, J.R.F. Barringer, R. McGarry (New Zealand), A.M. Pollard and D.G. Ainley (USA)

6. WG-FSA-87

   . Shlibanov, V.V. Gerasimchuk and A.K. Zaitsev (USSR) WG-FSA-87/07 Frep – An example calculation for ... Documents WG-FSA-87/20 Length composition data for Patagonotothen brevicauda guntheri taken from Subarea ... documents Doc Number Title WG-FSA-87/01 Draft Agenda WG-FSA-87/04 Data and stock assessments for fish stocks ... Notothenia rossii in Subarea 48.3 Secretariat WG-FSA-87/09 Re-analysis of some published data on Notothenia ...

   Meeting

7. Estimating unaccounted fishing mortality in the Ross Sea region and Amundsen Sea (CCAMLR Subareas 88.1 and 88.2) bottom longline fisheries targeting Antarctic toothfish

   counted in estimates of total fishing removals or otherwise accounted for in stock assessment models. The ... average 208 tonnes of Antarctic toothfish mortality may be unaccounted for annually. While the current ... incorporated as sensitivity analyses in the 2011 stock assessments for the Ross Sea region and Subarea 88.2 ... integrity for many years. In this sense, marine debris from lost gear may be considered cumulative ... gear was used for this analysis. There is also an ‘other hooks lost’ field, which reports ‘hooks lost ... ’. Catch and effort data were extracted from the CCAMLR C2 database for the 2008–2011 fishing years. The ... data were then used to estimate hook loss for the entire area on an annual basis and sep- arately for ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 17–30 : Autor(es): Webber, D.N. and S.J. Parker

8. Volume 2: CCAMLR. 1990. Statistical Bulletin, Vol. 2 (1980–1989). CCAMLR, Hobart, Australia.

   split year ends; for example, 1978 indicates the split-year 1 July 1977 to 30 June 1978. 2.5 Some ... CCAMlR-SB/90/2 COMMISSION FOR TH CONSERVATION OF ... , Volumes 1 and 2 cover the 20 years of data currently held at the CCAMLR Data Centre. 1.4 The Bulletin ... ; species having catches of greater than 4000 tonnes in any of the years 1987 to 1989 were chosen for this ...

   Document : Site Section: Publications

9. Food and feeding of the mackerel icefish (Champsocephalus gunnari) around South Georgia in January/February 1991

   stomachs and the feeding intensity were uncommonly low in a period when energy rich food is needed for the ... superba ~ Themisto gaudi. Mysidacea [%] 160 140 120 100 80 60 40 20 0 Month 11-111 11 ... to 3 877) and an unrepresentative coverage of the shelf from year to year. However, two pairs of ... needed for the final maturation of the gonads. Resume La composition du regime alimentaire et ... years when krill is abundant it represents the staple food. Mackerel icefish then tend to aggregate in ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 15–23 : Autor(es): Kock, K.-H., I. Everson, S. Campbell, G. Parkes, Z. Cielniaszek and J. Szlakowski

10. Acoustic estimates of krill abundance at South Georgia, 1981–1998

    of the years between 1990 and 1998 it was possible to calculate separate biomass estimates for the ... Georgia are presented for periods within ten austral summers between 1981 and 1998. This time series ... includes some previously published estimates arising from cruises where determination of krill density was ... a primary objective, and estimates derived for the first time here from acoustic data collected as a ...

    Meeting Document : WS-AREA 48-98/9 : Autor(es): A.S. Brierley, J.L. Watkins, C. Goss, M.T. Wilkinson and I. Everson (UK)

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