Résultats de la recherche

1. Skate tagging in the Heard Island and McDonald Island (Division 58.5.2) toothfish fishery up to 2013

   biology of these species. In the 13 years, over 12,000 skates have been tagged, with 112 recaptures, a ... icefish (Champsocephalus gunnari) in the Australian Fishing Zone surrounding Heard Island and McDonald ... bycatches. A tagging program has operated in these fisheries since 2001 to learn more about the movement and ... recapture rate of less than one percent. The average distance between release and recapture for each of the ...

   Meeting Document : WG-FSA-13/22 : Auteur(s): G.B. Nowara, T.D. Lamb and D.C. Welsford (Australia)

2. Notes for identifying the three macrourid species, M. holotrachys, M. whitsoni and M. carinatus in CCAMLR Subarea 48.3

   the identification of three macrourid species caught as bycatch in the fishery for Patagonian ... 5.2 whilst M.carinatus has a head ratio of greater than 5.2. There was some overlap in the ranges of ... toothfish, Dissostichus eleginoides, in Sub-Area 48.3. Scaling under the snout was used to separate ... scaled). The relative positioning of the second dorsal fin and the anal fin can also be used to ...

   Meeting Document : WG-FSA-02/29 : Auteur(s): S.A. Morley, M. Belchier, M.G. Purves, T. Mulvey and J. Dickson (United Kingdom)

3. Spanish research proposal for the 2016/17 season in Division 58.4.1

   Abstract:  In the 2012/13 fishing season Spain began the implementation of a multi-annual Research ... , results have to be analyzed in the coming months but some doubt about the reliability of data could be ... express due to accessibility problems by the ice cover and traces of IUU fishing found in the proposed ... Plan for Divisions 58.4.1 and 58.4.2 in order to estimate local biomass of Dissostichus spp. by means ...

   Meeting Document : WG-SAM-16/10 : Auteur(s): Delegation of Spain

4. Investigations on midwater trawling for krill (Euphausia superba) in the Southern Ocean

   Area 58 in the Indian Ocean Sector of Southern Ocean, during the First Indian Antarctic Krill ... °04'-40°04' E long, from 27 January to 12 February 1996. In the area of operations, krill ... long. Krill were present in 33.3 per cent of the total number of hauls taken. Major species obtained ... -1. In the area of operations (57°53'- 61°13' S lat and 31°40'- 36°31' E long ...

   Meeting Document : WG-EMM-98/38 : Auteur(s): M.R. Bhoopendranath, M.K.R. Nair, A. Anrose and V.C. George (India)

5. Predicting fishing ground accessibility in the Antarctic Weddell Sea

   Abstract:  Sea ice is a major constraint of fishery performance in the Southern Ocean seasonal sea ... to constitute valuable, riskreducing planning tools in the further development of fishery research as ... well as of ship-bound tourism in the wider Weddell Sea area. Author(s):  H. Pehlke, K. Teschke and T ... establish statistical models of (i) accessibility, i.e. the probability that a particular area is navigable ...

   Meeting Document : WG-SAM-18/01 : Auteur(s): H. Pehlke, K. Teschke and T. Brey

6. Observer activities on Japanese krill fishing vessels in the CCAMLR Convention Area

   . Although the increase of expected catch of krill notified in recent years has caused concerns among some ... urgent management concern related to krill fishery. In addition, CCAMLR XXV agreed “that the priorities ... ) determine the level of by-catch of larval finfish, and (iii) better understand the occurrence of warp-strike ... by seabirds”. Japan believes that the purpose of observer activities for krill fishery can be ...

   Meeting Document : CCAMLR-XXVI/BG/41 Rev. 1 : Auteur(s): Delegation of Japan

7. An integrated stock assessment for the Heard Island and McDonald Islands Patagonian toothfish (Dissostichus eleginoides) fishery in Division 58.5.2

   eleginoides) fishery at Heard Island and McDonald Islands in CCAMLR Division 58.5.2 with data until end of the ... model leads to a smaller estimate of the virgin spawning stock biomass B 0 than that obtained in 2015 ... season 2015/16. The updated assessment model is based on the best available estimates of model parameters ... , the use of abundance estimates from a random stratified trawl survey (RSTS), longline tag-release data ...

   Meeting Document : WG-FSA-17/19 : Auteur(s): P. Ziegler

8. Preliminary report on the South Orkneys Ecosystem Studies (SOES) field work undertaken by RRS James Clark Ross (JR15004) and associated field camps in January–February 2016

   the krill-based ecosystem in the main fishing area in Subarea 48 undertaken in the austral summer of ... Abstract:  This paper briefly describes the rationale and structure of the research cruise that ... formed a key component of the co-ordinated, multi-national South Orkney Ecosystems Studies focusing on ... 2015-16. The research cruise consisted of collection of at-sea data on the distribution, abundance and ...

   Meeting Document : WG-EMM-16/19 : Auteur(s): J. Watkins, O.R. Godø, S. Fielding, C. Reiss, P. Trathan and E. Murphy

9. Stable isotope analysis reveals trophic variation in adult Antarctic krill (Euphausia superba) around the Antarctic Peninsula from austral fall to early winter

   ecosystem and an important link in the food web of the Antarctic ecosystem. The trophic information for this ... variation in δ 13 C and δ 15 N values of adult krill in the Antarctic Peninsula, in the austral fall (April ... period, (3) mean δ 15 N values of krill differed significantly between the Bransfield Strait and the ... Abstract:  The Antarctic krill (Euphausia superba) is a key species in the Southern Ocean ...

   Meeting Document : WG-EMM-2019/P03 : Auteur(s): H.T. Zhang, G.P. Zhu, Q. Song, S.Q. Wang, Y. Yang and Q.Y. Yang

10. Decadal trends in the South Georgia demersal fish assemblage

    not uniform between strata. Trends in SSB for the five most abundant species of the South Georgia ... shelf show no consistent trends between species. There is evidence of increasing biomass in the marbled ... rock cod (N. rossii) and Mackerel icefish (C. gunnari), an overall decrease in the abundance of the ... preliminary results are considered in the context of considerable regional ecological change and a massive ...

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

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