Résultats de la recherche

1. Results from the reduced groundfish survey conducted in CCAMLR Subarea 48.3 in January 2012

   between the 26-28th January 2012. This survey was not intended to be a full biomass survey so only 20 ... three size cohorts of fish identified including evidence of a new cohort of 2+ age fish (29-39cm). Catch ...

   Meeting Document : WG-FSA-12/37 : Auteur(s): J. Brown, S. Gregory, A. Stanworth, V. Carretero, G. Baker and M. Belchier (United Kingdom)

2. Diet and trophic niche of Macrourus spp. (Gadiformes, Macrouridae) in the Ross Sea region of the Southern Ocean

   carnivorous. Other important prey were copepods (especially for fish with total length less than 30 cm), krill ... fish (especially for fish less than 30 cm), whereas sex, fatness and bottom depth were not significant ... (including regurgitated stomach contents) from an undifferentiated mixture of 33 specimens of these species ... . Overall, amphipods were the dominant prey found in Macrourus spp. stomachs with an index of relative prey ...

   Meeting Document : WG-EMM-12/P03 : Auteur(s): M.H. Pinkerton, J. Forman, D.W. Stevens, S.J. Bury and J. Brown

3. A comparison of acoustic targets at South Georgia and the South Orkney Islands during a season of profound krill scarcity

   density; for example one echo-integration interval contained 104 times the mean krill density. An ... conjunction with appropriate 120 kHz data to calculate krill density estimates for both survey areas. Krill ... with previously published density estimates krill densities in both regions were extremely low (1.7 and ... 10.7 gm-2 for Willis and Coronation Islands respectively). Gross regional differences in pelagic faunal ...

   Meeting Document : WG-EMM-95/75 : Auteur(s): Watkins, J.L., Brierley, A.S.

4. Some characteristics of krill transport in the Scotia Sea based on the Russian survey data

   within SSMU, nor with the total catch from the Scotia Sea for any fishing season during the latest 20 ... that krill transport estimates should be taken into consideration in the scheme for allocating the ... years. It is shown that total krill biomass of 3.392 mln.t. transported by water mass out three SSMUs is ...

   Meeting Document : WG-EMM-05/41 : Auteur(s): S.M. Kasatkina, V.N. Shnar and O.V. Berezhinsky (Russia)

5. Stomach contents of Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea region in 2010 and a comparison with 2003

   two years. It is planned to carry out a more rigorous analysis of these data in the coming year ... items, of which 13 contained only digested prey, leaving 185 stomachs for analysis. The majority of ... whitsoni) dominated the diet occurring in 37% of stomachs and accounting for 45% by weight and 52% by IRI ... . De Witt’s icefish, eel-cods, and glacial squid were also important occurring in about 20% of stomachs ...

   Meeting Document : WG-FSA-10/22 : Auteur(s): D.W. Stevens, J. Forman and S. Hanchet (New Zealand)

6. Gonad analysis of Antarctic toothfish in Subareas 58.4 and 88.3

   total length (TL) categories of Antarctic toothfish displayed 80% for female in larger than TL 100 cm ... gonadosomatic index of the fish was 2.5 for the female, and 1.7 for male.  The hepatosomatic index of female ... testicular developmental stages demonstrated the highest proportion with 67.0% for the matuer stage, and ... categories and almost 100% for male in larger than TL 150 cm categories. Author(s):  J. Kim, S.-G. Choi, J ...

   Meeting Document : WG-FSA-17/09 : Auteur(s): J. Kim, S.-G. Choi, J. Lee, J. Lee and D. An

7. Decline of Antarctic fur seal (Arctocephalus gazella) population at SSSI No. 32, South Shetlands, Antarctica, during 1997/98: a discussion of possible causes

   performance. Hucke-Gaete et al. (1998) report that pup growth rates for 1997/98 season do not reflect an El ... Shetland archipelago. We compiled historical information for Cape Shirreff and San Telmo islets located on ... Shetland breeds. From 1991 onwards an ecosystem monitoring program started to develop and detailed ... season diferentially counting sex and age categories to assess total population. We present the up to ...

   Meeting Document : WG-EMM-98/17 : Auteur(s): R. Hucke-Gaete, D. Torres, A. Aguayo and V. Vallejos (Chile)

8. Natural mortality rates of the Antarctic krill Euphausia superba Dana in the Indian sector of the Southern Ocean

   Abstract:  Data on the size and age composition of Euphausia superba were collected in the ... , during the maturation period, to 1.17 and 3.22 during the first and last years of life, respectively ...

   Meeting Document : WG-KRILL-93/44 : Auteur(s): E.A. Pakhomov (Ukraine)

9. Entanglement of Antarctic fur seals (Arctocephalus gazella) in man-made debris at Signy Island, South Orkney Islands, 2004/05

   Island, South Orkney Islands are reported for the 2004/05 summer season. There were two sightings of ... one case the entangling material had become attached to a rock and the animal was tethered to the ... ground. The incidence of entanglement at Signy Island, albeit very low, highlights the need for CCAMLR ...

   Meeting Document : SC-CAMLR-XXIV/BG/18 : Auteur(s): Delegation of the United Kingdom

10. Estimating seabird by-catch in CCAMLR longline fisheries

    throughout the CCAMLR Convention Area, recent years have seen an increase in Subarea 48.3 and in Division ... CCAMLR, there is a need for clarity in the data and methods used to report seabird mortality totals ... Delegation responsibility for releasing documents:  United Kingdom ... Abstract:  After many years of close to zero incidental seabird mortality in the longline fishery ...

    Meeting Document : WG-FSA-17/50 : Auteur(s): C. Darby and K. Olsson

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