Résultats de la recherche

1. Report on the CCAMLR marine debris monitoring program

   annually there have been no long-term trends over the past decade. Extrapolation of these findings to areas ... entanglements and hydrocarbon soilings were received for 2014 from South Africa, the United Kingdom, and Uruguay ... . Non-fishing items such as plastics, packaging materials and wood remain the most common type of debris ... items found in beach surveys. The fishing items found were mostly from longline and trawl origins ...

   Meeting Document : WG-FSA-14/68 : Auteur(s): Secretariat

2. REPORT OF THE UK GROUNDFISH SURVEY AT SOUTH GEORGIA (CCAMLR SUB-AREA 48.3) IN JANUARY 2009

   Abstract:  In January 2009 the UK undertook a bottom trawl survey of CCAMLR Sub-area 48.3 on the ... . The estimated mean biomass of Mackerel icefish (Champsocephalus gunnari) calculated using 10 strata ... , updated sea-floor areas and adjusting for the low headline height of the trawl (see CCAMLR WG-FSA (2003 ... )) was 31,753 t with a lower 1-sided CI at 18,904 t. Catches of icefish across the region were dominated ...

   Meeting Document : WG-FSA-09/09 : Auteur(s): M. Belchier, R.E. Mitchell, M.A. Collins, L. Kenny, M. Taylor, J. Nelson and L. Featherstone (United Kingdom)

3. Methodology for automated spatial sea ice summaries in the Southern Ocean

   performance in the Southern Ocean. Sea ice can limit access to fishing grounds, for both commercial fishing ... monitoring purposes and to inform research plans by CCAMLR, no quantitative summaries relative to fishing ... sea ice concentration data in the Southern Ocean, and relate it to data on commercial fishing vessel ... operations around the Antarctic continental margin. A spatial view is used to characterise the spatial ...

   Meeting Document : WG-FSA-14/54 : Auteur(s): S.J. Parker, S.D. Hoyle, J.M. Fenaughty and A. Kohout (New Zealand)

4. Further analysis of spatial patterns of benthic invertebrate habitats from fishery bycatch in the Ross Sea region

   Abstract:  High resolution VME taxa bycatch data (at the longline segment level) have been ... presence of VME taxa bycatch are identifiable, as are several areas of dense fishing effort with no ... , but were at larger scales. Spatial analysis of these data allows the detectability of prevalent taxa ... indicate that several VME taxa are detected between 60% and 80% of the time when present, and that ...

   Meeting Document : WG-FSA-10/30 : Auteur(s): S.J. Parker, R.G. Cole and S.M. Hanchet (New Zealand)

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

   may be no difference between trip durations obtained by applying the transmitters to one or both ... Paper Title:  Foraging behaviour and reproductive success in chinstrap penguins: the effects of ... transmitter attachment Abstract / Description:  The use of radio telemetry has been accepted as a standard ... method with which to monitor foraging trip duration in penguins by the CCAMLR (Commission for the ... cm2 front section area), there may be no difference between trip durations obtained by applying the ... ) at the beginning of the observation period were used as a control group. No transmitters were ... recorded as the first day that a nest was observed with no chicks. A failure date of 13 January 294 ... between the three groups within each period revealed that there was no significant effect of transmitters ...

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

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

   the season in August. Killer whale interactions appear to be more consistent with no obvious pattern ... Paper Title:  Estimating the impact of depredation by killer whales and sperm whales on longline ... data collected on longliners between 2003 and 2009 were analysed to look at the levels of depredation ... , and often appear to actively seek out fishing vessels and ‘strip’ the line of a large number of ... on observed sets which had no cetacean interactions, Cy,l is the declared catch in year y on ... sets having interactions of type l and sets having no cetacean interactions. The three interaction ... confirm the much higher impact of killer whales, with CPUE usually being reduced by 50%, but no ... with no general trend during the time period from 2003 to 2009 (Table 2). The large difference in ...

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

7. Vertical migrations of mackerel icefish (Champsocephalus gunnari) on the South Georgia shelf

   had yielded almost no catches at all. The information obtained on vertical migrations of C. gunnari ... Paper Title:  Vertical migrations of mackerel icefish (Champsocephalus gunnari) on the South ... Georgia shelf Abstract / Description:  High values of coefficient of variation resulting from the ... calculation of mackerel icefish biomass (Champsocephalus gunnari) from trawl survey data on the South Georgia ... observed at night. Fishing during this period with bottom trawls had yielded almost no catches at all. The ... this period yielded almost no catches at all. The second peak from 11:00 to 16:00 hr was observed only ... (CHAMPSOCEPHALUS GUNNARI) ON THE SOUTH GEORGIA SHELF J.A. Frolkina and V .I. Shlibanov* * Abstract High ... values of coefficient of variation resulting from the calculation of mackerel icefish biomass ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 3–14 : Auteur(s): Frolkina, J.A. and V.I. Shlibanov

8. Research plan for the 2015/16 exploratory longline fishery of Dissostichus spp. in Division 58.4.1

   reference area sizes. Although no toothfish fishery data along the shelf area in austral autumn – winter was ... Abstract:  The current season (2014/15) is the final one of the first three-season research which ... began in 2013 in data-poor fisheries. In the present report, catch, effort and biological data recorded ... by all effective vessels were analyzed for the improvement of stock assessment in the research blocks ...

   Meeting Document : WG-SAM-15/05 : Auteur(s): Delegation of Japan

9. ASSESSMENT MODELS FOR ANTARCTIC TOOTHFISH (DISSOSTICHUS MAWSONI) IN SUBAREA 88.2 SSRU E FOR THE YEARS 2002/03 TO 2008/09

   Abstract:  We provide an update of the Bayesian sex and age structured population stock assessment ... model for Antarctic toothfish (Dissostichus mawsoni) in the SSRU 88.2E, using revised catch, catch-at ... -age and tag-recapture data from New Zealand vessels and for selected trips. The New Zealand vessels ... model resulted in a higher estimate of initial biomass than the same model for 2006, but the estimated ...

   Meeting Document : WG-FSA-09/41 : Auteur(s): A. Dunn and S.M. Hanchet (New Zealand)

10. Estimating future krill catches that meet the CCAMLR and alternative decision rules for FAO Subarea 48.1 using an integrated assessment model

    spawning biomass instead of to projections with no fishing. Catch levels that meet the various decision ... incorporates catch and length-composition data from the krill fishery with biomass indices and length ... -compositions from research surveys has been developed. The model uses statistical fits to these data to ... estimate the effects of the fishery on the krill population. The model estimates parameters representing ...

    Meeting Document : WG-EMM-15/51 Rev. 1 : Auteur(s): D. Kinzey, G.M. Watters and C.S. Reiss (USA)

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