Résultats de la recherche

1. Report on the CCAMLR Marine Debris monitoring program

   entanglements and hydrocarbon soilings were received for 2015 from South Africa, the United Kingdom, the United ... States 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 ... bands found at Bird Island. The amount of debris in albatross colonies at Bird Island varies; debris ...

   Meeting Document : WG-FSA-15/15 : Auteur(s): CCAMLR Secretariat

2. Research plan for the exploratory longline fishery for Dissostichus spp. in 2015/16 in Division 58.4.4

   Abstract:  Regarding the low levels of stocks of Dissostichus spp. and the high levels of IUU ... fishing, CCAMLR decided to close the fishery in 2002 in division 58.4.4. Since 2008 only one vessel ... 24-01. In 2014, WG-FSA agreed research fishing conducted in the research blocks C and D by two ... vessels using longlines: Shinsei Maru No. 3 (Japan) and the Saint André (France). For the season 2014/15 ...

   Meeting Document : WG-FSA-15/67 : Auteur(s): A. Rélot-Stirnemann (France)

3. A condensed history and document of the method used by CCAMLR to estimate krill biomass (B0) in 2010

   Abstract:  Antarctic krill (Euphausia superba) are considered to be one of the key species in the ... harvested. The commercial exploitation of krill is managed under the direction of CCAMLR (Commission for the ... Conservation of Antarctic Marine Living Resources), utilising results derived from the CCAMLR generalised yield ... of the krill yield model is an estimate of the pre-exploitation biomass of krill (B 0). The current ...

   Meeting Document : WG-EMM-16/38 : Auteur(s): S. Fielding, A. Cossio, M. Cox, C. Reiss, G. Skaret, D. Demer, J. Watkins and X. Zhao

4. Downward adjustments to local catch limits for the krill fishery in Subarea 48.1

   Abstract:  Here we compile four vignettes that, together, provide the basis for making downward ... adjustments to local catch limits for the krill fishery in Subarea 48.1.  We use the term local catch limit to ... refer to a catch limit that applies to a group of SSMUs (gSSMU), and the work presented here is based on ... the gSSMUs defined in another compilation of vignettes (AERD 2016a, pp. 3-13).  We propose downward ...

   Meeting Document : WG-EMM-16/46 : Auteur(s): Antarctic Ecosystem Research Division, Southwest Fisheries Science Center and NOAA Fisheries

5. An approach to feedback management (FBM) of the krill fishery based on routine acoustic data collection and intermittent land-based predator studies

   Abstract:  The conservation measure regarding (or stipulating) the interim distribution of trigger ... level in the fishery of Antarctic krill in Subareas 48.1 through 48.4 (CM 51-07) has continuously been ... renewed due the CCAMLR’s inability to establish an agreed, operational feedback management (FBM) approach ... . As the trigger level lacks any form of relationship with the actual stock condition this approach is ...

   Meeting Document : SC-CAMLR-XXXVI/BG/20 : Auteur(s): Delegations of Norway, China and Chile

6. Report of the UK groundfish survey at South Georgia (CCAMLR Subarea 48.3) in January 2017

   Abstract:  1. The 2017 UK groundfish survey took place over the South Georgia and Shag Rocks shelf ... on the FV Sil between the 30th January – 7th February 2017. 2. 72 random hauls were completed ... density was highest on the fishing grounds on the moraine banks of the NW stratum. 4. Clear regional ... Rocks, at low levels in the northern strata of South Georgia and more abundant in the Southern strata ...

   Meeting Document : WG-FSA-17/44 : Auteur(s): M. Belchier, V. Foster, S. Gregory, S. Hill, V. Laptikhovsky, P. Lafite and L. Featherstone

7. Information report on the age determination methods of toothfish Dissostichus spp.

   Abstract:  The document presents the experience of the age determination of toothfish of the genus ... Dissostichus by recording structures (otoliths). Sampling processing is carried out on the basis of annual data ... collected in the CCAMLR Convention Area. The equipment used, the procedure for processing and reading age ... are described. The achieved volumes and results are given. And also the problems that arose and the ...

   Meeting Document : WG-SAM-18/29 : Auteur(s): I.V. Slypko and P.M. Zabroda

8. Otolith chemistry reveals local population structure of Antarctic toothfish (Dissostichus mawsoni) within the CCAMLR Subarea 48.6

   and economical value and that distributed in the high latitude of the Southern Ocean. The CCAMLR ... subarea 48.6 is one of an important fishing zone, however, the local population structure of D. mawsoni is ... unknown in this regions, which hampered the understanding on population dynamics of this species and the ... management of toothfish fishery. The chemistry in the otolith can often be used to distinguish population ...

   Meeting Document : WG-FSA-18/75 : Auteur(s): L. Wei, G.P. Zhu, S. Somhlaba, X.Y. Yu and M. Duan

9. Exploration of CPUE standardisation variances in the Ross Sea (Subareas 88.1 and 88.2A South of 70°s) Antarctic toothfish (Dissostichus mawsoni) exploratory longline fishery

   fisheries without integrated assessments in the CPUE by seabed area method to estimate stock biomass in the ... interim of collecting sufficient tag recaptures. Here, we address the two questions: (1) which unit of ... trend and magnitude of catch rates. Using data from the Ross Sea Antarctic toothfish fishery, we ... (hooks/cluster) with Generalised Linear Models (GLMs). The model with total hook numbers was preferred ...

   Meeting Document : WG-SAM-2019/25 : Auteur(s): D. Maschette, S. Wotherspoon and P. Ziegler

10. Long-term change in zooplankton communities of the Southern Ocean between 1997 and 2018: implications for fisheries and ecosystems

    Abstract:  We provide an analysis of zooplankton distributions in the circumpolar Southern Ocean ... based on samples collected by the international Southern Ocean Continuous Plankton Recorder Survey (SO ... observations over the period 1997–2018. These environmental data were: phytoplankton biomass, primary ... productivity, sea-surface temperature (SST), mixed layer depth, sea ice and the spatial gradient of SST (as an ...

    Meeting Document : WG-EMM-2019/66 : Auteur(s): M.H. Pinkerton, M. Decima, J. Kitchener, K. Takahashi, K. Robinson, R. Stewart and G.W. Hosie

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