Résultats de la recherche

1. Interannual variations of water thermochaline structure on South Georgia Island, South Orkney Islands and Shetland Islands shelves

   could be used when analysing krill aggregations' distribution and density for the period of years ... characteristics, T,S diagrams' typification has been realized for hydrological stations carried out in the ... , 1985, 1989). As water structure within those areas was considered to be the consequence of ...

   Meeting Document : WG-EMM-00/34 : Auteur(s): P. Chernyshkov, V. Shnar, O. Berezhinsky and I. Polischuk (Russia)

2. In situ target strength measurements of Antarctic zooplankton (Euphausia superba and Salpa thompsoni) at 120 khz and 200 khz, corroboration of scattering models, and a statistical technique for delineating species

   scattering is from each animal's spheroidal nucleus. Consistent with the measurements of encaged krill ... , indicating that these frequencies may be more useful for distinguishing salps from krill. Data were collected ... both species. The individual TS measurements were collected at 120 kHz with a split-beam echosounder ... cumulative distributions (CDF's) of Δσbs derived from the differences in abs measurements at two ...

   Meeting Document : WG-Krill-94/12 : Auteur(s): D.A. Demer and R.P. Hewitt (USA)

3. Comparison of two methods to assess fish losses due to depredation by killer whales and sperm whales on demersal longline

   situations reported elsewhere in the world. In addition to providing methodology insights that could be used ... depredated resource can be especially challenging when depredation occurs on fish in the marine environment ... depredated hooks. From this difference and using the fishing effort (number of hooks), we estimated that 575 ... the two species co-occurred around vessels. The second method was new in a way that we used the ...

   Meeting Document : WG-FSA-14/10 : Auteur(s): N. Gasco, P. Tixier, G. Duhamel and C. Guinet (France)

4. Integrated stock assessment for the Heard Island and the McDonald Islands Patagonian toothfish (Dissostichus eleginoides) fishery (Division 58.5.2)

   eleginoides) at the Heard and the McDonald Islands (Division 58.5.2) with data until the start of August 2013 ... indicating that a separation of the trawl sub-fisheries is appropriate. The scenario with estimating a YCS ... , we recommend that the catch limit for the 2013/14 and 2014/15 seasons be set at 3005 tonnes. Author(s ... stock assessment estimates and projected catch limits that satisfy the CCAMLR decision rules. Re ...

   Meeting Document : WG-FSA-13/24 : Auteur(s): P. Ziegler, S. Candy and D. Welsford (Australia)

5. L'AMP de la mer de Weddell révisée et d'importantes répercussions sur la planification des AMP de la CCAMLR

   can be ensured. Ensuring that area-based management proposals are founded on a consistent and rigorous ... taken to develop the WSMPA proposal (CCAMLR-XXXV/18) was consistent with past and ongoing CCAMLR MPA ... scientific basis will strengthen Norway's commitment to supporting such actions.  Norway further ... underlines our concern on matters pertaining to suitability of data, particularly with regard to MPA planning ...

   Meeting Document : SC-CAMLR-XXXVI/10 : Auteur(s): Delegation of Norway

6. Managing fisheries to conserve the Antarctic marine ecosystem: practical implementation of the Convention on the Conservation of Antarctic Marine Living Resources (CCAMLR)

   1960s with exploitation of the marbled rockcod, Notothenia rossii, in the South Atlantic, a species ... krill, Euphausia superba. This species is considered to be an important prey of a wide range of avian ... Resources (CCAMLR) was agreed in 1980 to take a broad 'ecosystem approach' to management. As part ... these results and the future program of work required to develop management procedures that ensure that ...

   Meeting Document : SC-CAMLR-XVIII/BG/26

7. Progress report on the Australian Fisheries Research and Development Corporation project to develop robust assessment methods and harvest strategies for spatially complex, multi-jurisdictional toothfish fisheries in the Southern Ocean

   strategies to be developed for the Australian and French fisheries, as well as develop tools that can be used ... to the proposed timetable, with the expectation that future assessments and data collection in the ... fisheries. The project aims to develop a spatially-explicit model framework that captures the important ... region will continue to be refined to account for the spatial structure of the stocks and fisheries in ...

   Meeting Document : WG-SAM-15/37 : Auteur(s): P. Burch, C. Péron, D. Welsford, P. Ziegler, T. Lamb, T. Robertson (Australia), G. Duhamel, N. Gasco, P. Pruvost, C. Chazeau and R. Sinègre (France)

8. Fish Heaven: a Monte Carlo, spatially explicit single species fishery model for the testing of parameter estimation methods

   system. Analysis of the output must be done with a separate piece of software, such as a statistical ... basic features of standard fish modeling with a number of optional extras. It was designed within an ... was designed with the view of testing the efficacy of different statistical sampling regimes given ... for it to be extended to include more complex fishing management practices. The manual for the ...

   Meeting Document : WG-FSA-00/36 : Auteur(s): I. Ball and A. Constable (Australia)

9. REPORT ON AUSTRALIAN FISHING EFFORT AND SEABIRD BYCATCH IN FISHERIES OUTSIDE THE CONVENTION AREA

   and implementation of mitigation measures will be considered. Author(s):  T. Hewitt and I. Hay ... seabird bycatch mitigation measures are in place in all longline fisheries within Australia's ... . Seabird bycatch is thought to be low in Australian trawl fisheries but, as yet, there are insufficient ...

   Meeting Document : WG-FSA-08/37 Rev. 1 : Auteur(s): T. Hewitt and I. Hay (Australia)

10. Assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region to 2016/17

    consistent with previous fishing activities and with the Ross Sea region MPA, was either 3234 t or 3258 t ... were higher than that from the 2015 assessment. This was likely driven by the revised estimates of the ... . Sensitivity runs showed that the results were relatively insensitive to the use of a logistic ogive rather ... than a domed ogive for fishing selectivity. Model runs showed that the data from the Ross Sea Shelf ...

    Meeting Document : WG-FSA-17/37 Rev. 1 : Auteur(s): S. Mormede

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