Résultats de la recherche

1. Proposal to continue the time series of CCAMLR-sponsored research surveys to monitor abundance of subadult Antarctic toothfish in the southern Ross Sea in 2015

   Bay. Survey timing and methods will remain the same as in previous years, and the number of sets will ... presented. The survey will focus on estimating relative abundance in the core strata (A, B, C) in SSRUs 88.1 ... J and 88.1L. It will also carry out 15 exploratory sets in a newly defined stratum K in Terra Nova ... catch limit for the 2014/15 fishing year is requested for the survey. Author(s):  S.M. Hanchet, S.J ...

   Meeting Document : WG-SAM-14/25 : Auteur(s): S.M. Hanchet, S.J. Parker and S. Mormede (New Zealand)

2. ABUNDANCE AND BIOLOGICAL INFORMATION ON TOOTHFISH IN DIVISION 58.4.4a & b BY SHINSEI MARU NO. 3 IN 2007/08 SEASON

   Abstract:  A survey was conducted in order to collect information for the stock status and various ... biological information on toothfish in Division 58.4.4a & b by using a commercial bottom longline vessel ... , Shinsei Maru No. 3, from July 23 to September 27, 2008. The survey was undertaken in two Phases (Phase 1 ... % in numerical number and 90-96 % in weight to the total samples in SSRUs. Mean CPUE of toothfish in ...

   Meeting Document : WG-SAM-09/10 : Auteur(s): K. Taki, T. Ichii, M. Kiyota and S. Kawahara (Japan)

3. Phytoplankton standing stocks in relation to krill in Antarctic waters

   Abstract:  Investigations on krill trawl operations in the southern ocean were accompanied by the ... lies between latitude 56° to 61° 17's and longitude 30° to 40°E is characterized by cold surface ... waters with temperature ranging from 0 to 3° C and high nutrient content. Phytoplankton cell counts in ... fluctuations in phytoplankton and zooplankton standing stocks followed a similar trend. Marked drop in ...

   Meeting Document : WG-EMM-98/34 : Auteur(s): X.N. Verlecar, R. Vijayakumar, F. Saldhana and L. Martins (India)

4. Research plan for the exploratory longline fishery for Dissostichus spp. in 2012/13 in Division 58.4.3a (this is a revision of WG-SAM-12/14)

   Abstract:  In 2011/2012, a French vessel conducted its first exploratory fishing campaign in ... division 58.4.3a. In order to achieve a robust stock assessment that would provide advice on catch limits ... detailed catch, effort and biological data with a nearly same survey design as in the 2012. It will include ... spp. in 2012/13 in Division 58.4.3a (this is a revision of WG-SAM-12/14) Approval:  Approved ...

   Meeting Document : WG-FSA-12/29 : Auteur(s): A. Rélot-Stirnemann (France)

5. Spatial aggregation of harvesting in Subarea 48.1, in particular during the summer and close to the coast

   operated, collectively taking over 42,000 tonnes of krill from an area less than 30 km in diameter. The ... associated level of catch has increased in Subarea 48.1 during the penguin breeding season. We explore in ... detail, the fishing patterns in Subarea 48.1 during 2014/2015, showing that two areas of fishing ... aggregation took place, one in the Bransfield Strait and one in Hughes Bay, on the Danco Coast. The latter ...

   Meeting Document : WG-EMM-16/17 : Auteur(s): P. Trathan and S. Hill

6. White-chinned petrel incidental mortality event in the Subarea 48.3 Patagonian toothfish fishery during the season extension period in the 2013/14 season

   Abstract:  During the 2014 experimental season extension in CCAMLR sub-Area 48.3 a single line ... caught 74 white chinned petrels, which is the most significant incidental mortality event in the fishery ... seabird mortality in the fishery undertaken. The mortality event occurred on a “Spanish” system longline ... that was partly set after Nautical Twilight (dawn), so was in breach of CM25-02. Although the line was ...

   Meeting Document : WG-FSA-14/28 : Auteur(s): M.A Collins, M. Soffker, C. Darby, K. Ross and P.N. Trathan (United Kingdom)

7. VARIABILITY IN KRILL BIOMASS LINKS HARVESTING AND CLIMATE WARMING TO PENGUIN POPULATION CHANGES IN ANTARCTICA

   areas on the planet, with 5–6 °C increases in mean winter air temperatures and associated decreases in ... . One hypothesis guiding ecological interpretations of changes in top predator populations in this ... region, the “sea-ice hypothesis,” proposes that reductions in winter sea ice have led directly to ... declines in “ice-loving” species by decreasing their winter habitat, while populations of “ice-avoiding ...

   Meeting Document : WG-EMM-11/P1 : Auteur(s): W.Z. Trivelpiece, J.T. Hinke, A.K. Miller, C.S. Reiss, S.G. Trivelpiece and G.M. Watters

8. SPATIAL AND TEMPORAL VARIATION IN ATTRIBUTES OF ADELIE PENGUIN BREEDING POPULATIONS: IMPLICATIONS FOR UNCERTAINTY IN ESTIMATION OF THE ABUNDANCE OF BREEDING PENGUINS FROM ONE-OFF COUNTS

   (between years). Given this variability, there will be substantial uncertainty in correcting one-off counts ... . Emmerson (Australia) Title:  SPATIAL AND TEMPORAL VARIATION IN ATTRIBUTES OF ADELIE PENGUIN BREEDING ... POPULATIONS: IMPLICATIONS FOR UNCERTAINTY IN ESTIMATION OF THE ABUNDANCE OF BREEDING PENGUINS FROM ONE-OFF ...

   Meeting Document : WG-EMM-PSW-08/07 : Auteur(s): C. Southwell, J. McKinlay, R. Pike, D. Wilson, K. Newbery and L. Emmerson (Australia)

9. Plan of research program of the Russian Federation in Subarea 48.5 (Weddell Sea) in season 2012/13

   subareas, where stock assessment should be carried out. In spite of hard ice conditions during most of the ... time of the year, this large water area is very similar with the Ross Sea. This similarity, which could ... be found in geographical location, bathymetric profile and current system, highlight the Weddell Sea ... as one of the most promising area for exploratory fishery of Dissostichus sp. However, fishery in ...

   Meeting Document : WG-SAM-12/04 : Auteur(s): A.F. Petrov, V.A. Tatarnikov and I.I. Gordeev (Russia)

10. Plan of research program of the Russian Federation in Subarea 48.5 (Weddell Sea) in season 2012/13

    subareas, where stock assessment should be carried out. In spite of hard ice conditions during most of the ... time of the year, this large water area is very similar with the Ross Sea. This similarity, which could ... be found in geographical location, bathymetric profile and current system, highlight the Weddell Sea ... as one of the most promising area for exploratory fishery of Dissostichus sp. However, fishery in ...

    Meeting Document : WG-FSA-12/12 : Auteur(s): A.F. Petrov, V.A. Tatarnikov and I.I. Gordeev (Russia)

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