Résultats de la recherche
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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 : Auteur(s): 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 ... extended (in a slightly revised format) for another three f ishing seasons (to the 1997/98 split-year ... ) 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 ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 141–159 : Auteur(s): Watters, G
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Fishery Report: Dissostichus eleginoides Crozet Island inside the French EEZ (Subarea 58.6)
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 ... 2009. These included: (i) Continuation of an action plan – The plan contains action details for ... 2005/06 and then declined in more recent years. 8. Depredation has an impact on the catch landed from ...
Document : Site Section: Publications
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Adélie penguin colony size predicts south polar skua abundance on Ross Island, Antarctica
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 ... carrion. We estimated skua abundance at Adélie penguin colonies on Ross Island in two consecutive years ...
Meeting Document : WG-EMM-14/55 : Auteur(s): 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 ... gear was used for this analysis. There is also an ‘other hooks lost’ field, which reports ‘hooks lost ... data were then used to estimate hook loss for the entire area on an annual basis and sep- arately for ... that it was highly unlikely that an individual vessel operating in the Ross Sea region could fish for ... from the analysis. If a vessel reported any non-zero value for lost hooks in any year, then any ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 17–30 : Auteur(s): 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 ... is the split-year 1 July to 30 June. Split-year data are shown under the calender year in which the ... , Volumes 1 and 2 cover the 20 years of data currently held at the CCAMLR Data Centre. 1.4 The Bulletin ...
Document : Site Section: Publications
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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 ... to 3 877) and an unrepresentative coverage of the shelf from year to year. However, two pairs of ... superba ~ Themisto gaudi. Mysidacea [%] 160 140 120 100 80 60 40 20 0 Month 11-111 11 ... needed for the final maturation of the gonads. Resume La composition du regime alimentaire et ... ). An unusually high proportion of sexually mature fish showed no signs of the gonad development ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 15–23 : Auteur(s): Kock, K.-H., I. Everson, S. Campbell, G. Parkes, Z. Cielniaszek and J. Szlakowski
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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 : Auteur(s): A.S. Brierley, J.L. Watkins, C. Goss, M.T. Wilkinson and I. Everson (UK)
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Fishery Report: Dissostichus eleginoides Prince Edward Islands South African EEZ (Subareas 58.6 and 58.7)
assessment was carried out in 2009. An operational management procedure (OMP) approach for the fishery was ... estimated IUU catch exceeded the reported catch for most years (SC-CAMLR-XXVI, Annex 5, Appendix N, Table 2 ... in any one year. Since 2001/02, only two licensed vessels have been used by these operators in any ... one year, and only one vessel was active in 2005/06, 2007/08 and 2008/09. Figure 1: General map ...
Document : Site Section: Publications