Résultats de la recherche
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Report of the WG-FSA Intersessional Subgroup on Sampling Catches from Longlines
of the time-based method is that it gives a frame that can be monitored easily using a watch, but the ... Abstract: In 2001, WG-FSA asked the Intersessional Subgroup on Sampling Catches from Longlines to ... design, which could be implemented more rigorously if the CCAMLR objective was changed from sampling 60 ... frame is based on the mean time that is taken for hauling which is itself a random variable. The gear ...
Meeting Document : WG-FSA-02/52
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Environmental response of upper trophic level predators reveals a system change in an Antarctic marine ecosystem
, and its relationship with reproductive performance, suggest that the biomass of krill within the ... largest size class was sufficient to support predator demand in the 1980039;s but not in the 1990039;s ... . We suggest that the effects of underlying changes in the system on krill population structure has ...
Meeting Document : WG-EMM-01/21 : Auteur(s): K. Reid and J.P. Croxall (United Kingdom)
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Research plan for the exploratory longline fishery for Dissostichus spp. in Divisions 58.4.1, 58.4.2 and Subarea 48.6 in 2014/2015 (including CTD data in 88.1, 88.2)
sizes were vulnerable with a big range of about 1,000-2,000 t per SSRU in 58.4.1 and 100-1,500 t per ... . Therefore, the catch limits that the meeting got in 2013 meetings increased to get more recapture. The food ... -web of Dissostichus spp. has started to be studied in the southern Ross Sea. Some studies on biology ... Korean commercial bottom longline vessel, KINGSTAR belonged to Sunwoo Company in accordance with ...
Meeting Document : WG-SAM-14/21 : Auteur(s): Delegation of the Republic of Korea
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A distribution-free model of length-frequency distribution to inform fishery stratification for integrated assessments
hauls are an important input to integrated fish stock assessments. Statistical tests for variables that ... fish. The L s were modelled as a Gaussian response variable using a Generalised Additive Mixed Model ... (GAMM) with cubic smoothing splines fitted to P for each combination of the covariates (i.e. gear type ... . Additional error terms included a random spatial block term and interactions of spatial blocks with other ...
Meeting Document : WG-SAM-13/18 : Auteur(s): S. Candy, P. Ziegler and D. Welsford (Australia)
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Progress towards the declaration of a large marine protected area around South Africa's sub-Antarctic Prince Edward Islands
declaration of a large marine protected area around South Africa039;s sub-Antarctic Prince Edward Islands ... Author(s): Nel, D., Lombard, A., Cooper, J., Reyers, B., Akkers, T. Title: Progress towards the ...
Meeting Document : WS-MPA-05/15 : Auteur(s): Nel, D., Lombard, A., Cooper, J., Reyers, B., Akkers, T.
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Destruction of Antarctic terrestrial ecosystems by a rapidly increasing fur seal population
. The impact that the continuing increase of these seals had made on the island039;s terrestrial and ... has suffered physical damage from which it may be impossible to recover. These seals are also ... frequenting several of the island039;s freshtwater lakes which are becoming increasingly eutrophic. The long ...
Meeting Document : SC-CAMLR-VII/BG/06 : Auteur(s): R.I. Lewis Smith (United Kingdom)
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A preliminary assessment of mackerel icefish (Champsocephalus gunnari) in Division 58.5.2, based on results from the 2013 random stratified trawl survey
be unavailable beyond 2013/14. Under the first scenario, a catch limit of 764 t is recommended for ... using standard CCAMLR methods. A large cohort of fish, estimated to be 3+, dominates the population in ... the population, and a projection accounting for the fact that the abundant 3+ year class is likely to ... 2013/14 and 571t for 2014/15, while under the second scenario, a catch limit of 1267 t is recommended ...
Meeting Document : WG-FSA-13/23 : Auteur(s): D.C. Welsford (Australia)
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The diet of black-browed albatrosses at the Diego Ramirez Islands, Chile
, Chile, during the early chick-rearing period of 2000, 2001 and 2002. Diet composition was determined by ... similar throughout the study, with diet being dominated by fish in all three years. Overall, the main ... mass). The distribution of the prey species indicates that black-browed albatrosses obtained the bulk ... fish hooks and fish bait species, indicates a strong association with fisheries in southern Chile ...
Meeting Document : WG-FSA-03/9 : Auteur(s): J. Arata (Chile) and J.C. Xavier (United Kingdom)
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A descriptive analysis of the toothfish (Dissostichus spp.) tagging programme in the Ross Sea up to 2005/06
and 88.2 since 2001 is presented. The paper updates tag-release and tag-recapture data for fish that ... release data. It is recommended that all outstanding release and recapture data be provided to the ... Secretariat as soon as possible so that the analysis can be updated in time for the 2006 WG-FSA meeting ... . However, recapture rates have tended to be higher in the northern and eastern SSRUs 88.1C and 88.2E. About ...
Meeting Document : WG-FSA-SAM-06/09 : Auteur(s): A. Dunn and S.M. Hanchet (New Zealand)
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Adélie penguin foraging behaviour and breeding success in seasons of contrasting krill availability (Mawson Coast, Antarctica)
present during the two-week survey period in 2001 than in 2003. Penguin parameters that showed significant ... ’ normal foraging range during the 2001 and 2003 breeding seasons. More than three times as much krill was ... mass and dietary composition. Penguins travelled further to forage in 2003 than 2001, stayed away ... to the diet in 2003 but was only a minor component in 2001. Differences between years were ...
Meeting Document : WG-EMM-03/44 : Auteur(s): J. Clarke, M. Tierney, S. Candy, S. Nicol, L. Irvine and K. Kerry (Australia)