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Report of the Workshop on data and modelling issues relevant to the planning of a potential Marine Protected Area (MPA) east of the zero meridian in the Weddell Sea (MAUD)
Abstract: The workshop was convened to follow up the agreement in the 2018 meeting of CCAMLR on ... an approach to facilitate progress on the further development of the Weddell Sea MPA proposal. In its ... Members to further collate and enhance information for the sub-area east of the prime meridian over the ... next few years. The workshop that had multi-meber participation had two objectives. First, to discuss ...
Meeting Document : WG-EMM-2019/14 : Autor(es): Delegation of Norway
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Natural mortality rate in the mackerel icefish (Champsocephalus gunnari) around South Georgia
age structure and growth parameters are used. It is concluded that only in the three earliest years ... , 195 1, 1964 and 1966, do the data reflect an unexploited population. The best estimate of M from ...
Meeting Document : WG-FSA-97/05 : Autor(es): Everson, I.
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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 , were considered using data from published and unpublished literature, the exploratory longline fishery ...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.
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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
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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
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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
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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)
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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
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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
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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