Résultats de la recherche

1. Biological features of the icefish Champsocephalus gunnari from commercial catches in Subarea 48.3 during the period from 8 December 1999 until 31 January 2000

   Abstract:  In the period from 11 December 1999 to 31 January 2000 Russian trawler "Zakhar ... Sorokin" carried out fishing the icefish Champsocephalus gunnari feeding consent rations in the ... western shelf of the South Georgia Island. Icefish 26-40 cm in length, with the average size of 30.3 cm ... /female ratio, on the average, equalled to 1/1.2. The active process of gonad maturation, more rapid in ...

   Meeting Document : WG-FSA-00/20 : Auteur(s): V.L. Senioukov (Russia)

2. Foraging location and range of white-chinned petrels Procellaria aequinoctialis breeding in the South Atlantic

   extensively. Most locations were between 30° to 55 °W and 52 °to 60 0W around South Georgia/Shag Rocks and ... widest-ranging of seabirds; they may minimise competition with other Procellariiformes in the South ... substantial risk of high mortality rate in South Atlantic long-line fisheries. Author(s):  S.D. Berrow, A.G ... Procellaria aequinoctialis breeding in the South Atlantic Approval:  Approved ...

   Meeting Document : WG-FSA-99/20 : Auteur(s): S.D. Berrow, A.G. Wood and P.A. Prince (United Kingdom)

3. Results of acoustic assessment of krill biomass in Subarea 48.2 during summer 1996

   southwards of 60 ° 30'S amounts about (883±264.9) thous. t. Therefore, total krill biomass in Subarea ... Abstract:  In the period from 24 February to 7 March 1996 in the cruise of RV "Atlantida" ... ; acoustic assessment of krill biomass and distribution was carried out in study area restricted with 59° 10 ... ' S- 60°30' S and 42 °00' W- 50°00 'w within Subarea 48.2. The study area of 19.200 ...

   Meeting Document : WG-EMM-96/36 : Auteur(s): Sunkovich, V.I., Kasatkina, S.M., Abramov, V.M., Polischuk, M.I., Sushin, V.A., Shnar, V.N.

4. Entanglement of Antarctic fur seals Arctocephalus gazella in man-made debris at Bird Island, South Georgia during the 1994 winter and 1994/95 pup-rearing season

   1994 winter. In the 1994/95 summer the number of entangled seals (20) was also the lowest yet recorded ... previous year. The proportion of adult animals affected (20%) was slightly lower than 1994. The proportion ... of females involved (40%) was 26% less than the previous year. The incidence of severe injury (30 ... Abstract:  Surveys of Antarctic fur seals entangled in man-made marine debris were carried out for ...

   Meeting Document : SC-CAMLR-XIV/BG/08 : Auteur(s): Delegation of the United Kingdom

5. 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

   Abstract:  In-situ measurements of target strength (TS) were made of Antarctic zooplankton ... midwater trawl was used to sample the zooplankton populations and animal length-frequency data were ... scattering is from each animal's spheroidal nucleus. Consistent with the measurements of encaged krill ... (5):2985-2988 (1993)], the TS of in-situ krill are shown to fit a deformed cylinder model [T.K ...

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

6. Report on fish by-catch on exploratory fishing in Divisions 58.4.1 and 58.4.2

   undertaken in Divisions 58.4.1 and 58.4.2 during the 2012 to 2018 seasons. Fish by-catch comprised 14 species ... or groups of species. In 2018, by-catch represented 12% of the total catch (43 tonnes over 307 tonnes ... eastern blocks where Macrourus CPUE also increased in the last 3 years. Macrourus CPUE was 23kg/1000 hooks ... Abstract:  In this paper, we report on fish by-catch during exploratory fishing activities ...

   Meeting Document : WG-FSA-18/28 : Auteur(s): C. Péron, P. Yates, D. Maschette, C. Chazeau, P. Ziegler, D. Welsford, N. Gasco and G. Duhamel

7. On the state of Champsocephalus gunnari stock in Subarea 48.3 and methods of its assessment

   surveys in 1990). As a result, over more than 10 years bottom surveys pervert the real state of near ... Abstract:  The unusually effective fishery on mackerel icefish (C.gunnari) in the South Georgia ... thousand tons, and the followed bottom trawl surveys by Russia and Great Britain in December 1999- February ... stock assessment was repeatedly raised on the meetings of Working Group on Fish Stock Assessment (WGFSA ...

   Meeting Document : WG-FSA-00/45 : Auteur(s): K. Shust, V. Senioukov, P. Gasiukov and A. Kozlov (Russia)

8. A preliminary assessment and revised growth model of mackerel icefish (Champsocephalus gunnari) in Division 58.5.2, based on results from the 2017 random stratified trawl survey

   , abundance and yield in Division 58.5.2 to the west of 79 o 20’ E using standard CCAMLR methods (CMIX and ... 2018/19 season respectively satisfied the CCAMLR decision rules. Given their apparent plasticity in ... Abstract:  The annual random stratified trawl survey was undertaken in Division 58.5.2 in the ... growth model based on recent cohort progressions indicated an increase in size-at-age compared to the ...

   Meeting Document : WG-FSA-17/22 : Auteur(s): D. Maschette, P. Burch, P. Yates and D. Welsford

9. Demography of Antarctic krill in the Elephant Island area (Antarctic Peninsula) during austral summer 2001

   success of the 2000/01 year-class. The spatial extent of the station grid is discussed in the light of a ... absolute index was RI1 = 131.4 * 1000 m-3, which is among the highest values for the past 20 years. The ... Abstract:  A net sampling survey was carried out for krill in an established standard station grid ... small size classes, one year old juvenile krill was found. Krill density was significantly higher than ...

   Meeting Document : WG-EMM-01/10 : Auteur(s): V. Siegel (Germany), B. Bergström (Sweden), U. Mühlenhardt-Siegel (Germany) and M. Thomasson (Sweden)

10. Predation release of Antarctic silverfish (Pleuragramma antarctica) in the Ross Sea

    contributed to the increase in Adélie penguin numbers. This paper brings together information on the biomass ... adeliae) at breeding colonies in the southern Ross Sea more than doubled from about 235 000 to more than ... predation release hypothesis. In particular, the examination of 422 Antarctic toothfish stomachs showed that ... the amount of silverfish consumed annually by Adélie penguins in this region. This result was ...

    Meeting Document : WG-EMM-15/53 : Auteur(s): M.H. Pinkerton, P. Lyver, D. Stevens, J. Forman, R. Eisert and S. Mormede (New Zealand).

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