Résultats de la recherche

1. Variability and predictability of Antarctic krill swarm structure

   ) echosounder, concurrent with net sampling. The acoustic data were analysed through applying a swarm ... over the survey grid was examined with respect to a number of potential explanatory variables ... 1 swarms were generally small (< 50 m long) and were not very tightly packed (< 10 ind m-3 ... and large and superswarms within the type 2 group. A minor group (swarm type 3) was also found ...

   Meeting Document : WG-EMM-10/P10 : Auteur(s): G.A.Tarling, T. Klevjer, S. Fielding, J. Watkins, A. Atkinson, E. Murphy, R. Korb, M. Whitehouse and R. Leaper

2. Surface exchange between the Weddell and Scotia Seas

   transport pathways between the eastern Antarctic Peninsula and sites of elevated chlorophyll in the Scotia ...

   Meeting Document : WG-EMM-14/P03 : Auteur(s): A.F. Thompson and M.K. Youngs

3. Rapport de pêcherie 2015 : Pêcherie exploratoire Dissostichus spp. – division 58.4.2

   estimates from areas with assessed fisheries and are not more than 3–4% of the estimated stock size. 9 ... -03 Bird mitigation In accordance with CM 25-02. Limit of three (3) birds per vessel during daytime ... the CCAMLR fishing season is represented by the year in which that season ended, e.g. 2015 represents ... with a new fishery for grenadier (Macrourus spp.). In 2003, the fishery for Dissostichus spp. in ...

   Document : Site Section: Publications

4. Research plan to assess the stock status of Dissostichus spp. in Subarea 48.2

   in accordance with Conservation Measure 24-01 (paragraph 3). Author(s):  Submitted by the Secretariat ...

   Meeting Document : WG-SAM-13/15 : Auteur(s): Submitted by the Secretariat on behalf of Ukraine

5. Fish identification guide for Observers in CCAMLR krill fisheries

   Abstract:  The Secretariat, with assistance from Prof Tetsuo Iwami, has developed a simple fish ... CCAMLR krill fishery. The draft guide provided includes a single key to distinguish fish families and 3 ...

   Meeting Document : WG-EMM-13/07 : Auteur(s): Secretariat

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

   , with killer whales present on 3.8% and sperm whales on 17.7% of lines. Killer whales appear in pod ... . Most interactions from sperm whales occur during May at the start of the season with the sightings ... consistent with no obvious pattern between months. Both species demonstrate an east to west migration ... throughout the season that is not related to the pattern of fishing effort. By comparing catch rates with and ...

   Meeting Document : WG-FSA-10/P06 : Auteur(s): J. Moir Clark and D.J. Agnew

7. Statistical power to detect changes in growth rates of Antarctic fur seal pups

   changes (between years) in pup growth rates, the loss of power associated with obtaining weight samples on ... detect a 17% change in the growth rate with a 10% chance of committing Type 1 or Type 2 errors. If only ... for each year and as weighted averages of both years. Growth Rate Standard Error (kg/d) of Growth ... ) in pup growth rates, the loss of power associated with obtaining weight samples on only three dates ... % change in the growth rate with a 10% chance of committing Type 1 or Type 2 errors. If only three samples ... loss of power associated with obtaining only three weight samples, and possible means of increasing ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 399–409 : Auteur(s): Boveng, P., J.L. Bengtson and M.E. Goebel

8. Fishery Report: Dissostichus eleginoides (TOP) South Georgia (Subarea 48.3)

   demonstrated full compliance with CM 25-02 in the previous season. In 2012, an early extension was allowed so ... continued at a rate of 1.3 fish per tonne with a total of 3 026 fish tagged (with 512 recaptures). 3 ... Throughout this report the CCAMLR fishing season is represented by the year in which that season ended, e.g ... ) stock area, with its three Management Areas A, B and C. 2. The limits on the fishery for ...

   Document : Site Section: Publications

9. Decadal trends in the South Georgia demersal fish assemblage

   demersal fish catch rates was observed with the highest mean CPUE s seen in surveys since 2010 but this was ... biomass were seen across survey years. Species counts were highly variable across the shelf region and ... years accounting for 97% of total demersal fish biomass. The relative abundance of these species was ...

   Meeting Document : WG-FSA-13/26 : Auteur(s): M. Belchier (United Kingdom)

10. Temporal changes in sighting density indices of baleen whales in CCAMLR Subareas 48.1 and 48.2 based on three circumpolar sighting surveys

    are consistent with abundance estimates trend in humpback and Antarctic minke whales. Two issues are ... . CPI, CPII and CPIII data in Subarea 48.1 corresponded to years 1982/83, 1989/90 and 1993/94+1999/00 ... , respectively while that in Subarea 48.2 those corresponded to years 1981/82, 1986/87 and 1997/98, respectively ...

    Meeting Document : WG-EMM-16/26 : Auteur(s): L.A. Pastene and T. Hakamada

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