Résultats de la recherche

1. Glider-based estimates of Antarctic krill in Bransfield Strait, and the West shelf off Livingston Island, Antarctica

   Livingston Island, Antarctica. Two gliders were deployed for 82 and 88 days, respectively, between mid ... -December 2018 and mid-March 2019. We compare mean biomass density (g m-2) estimates derived from gliders to ... estimated from two repeat glider surveys were 61.04 and 104.1 g m-2. Mean biomass density estimates from ... broad-scale surveys conducted by the U.S. AMLR Program were 55 and 43 g m-2, for January and February ...

   Meeting Document : WG-EMM-2019/13 : Auteur(s): C. Reiss, A. Cossio, G. Cutter, J. Walsh and G. Watters

2. Diets of sympatrically breeding Adélie, gentoo and chinstrap penguins from Admiralty Bay, South Shetland Islands, Antarctica, 1981 to 2000

   during chick rearing over the 20-year period from 1981 to 2000. All three penguin species were largely ... dependent on Antarctic krill (Euphausia superba), which accounted for over 93% of each species’ diet by ... , specifically the benthic Nototheniid species, while Adélie and chinstrap penguins largely ate two species of ... finding for past and future studies of penguin energetics using the Doubly-labeled water technique. Author ...

   Meeting Document : WG-EMM-03/29 : Auteur(s): W.Z. Trivelpiece (USA), K. Salwicka (Poland) and S.G. Trivelpiece (USA)

3. Contribution to the early life history of Channichthyidae from the Bransfield Strait and South Georgia

   them that C. gunnari from the South Georgia region grow faster in the first two years of life than ... reported for C. gunnari. and Chaenocephalus. Available data on the age of the adult fish are not complete ... unimodal, except for C.gunnari collected off Clerke Rocks /SouthGeorgia/, which length distribution was ... bimodal, formed by two separate length/age groups /Fig. 2/. Semi-transparent otoliths from postlarvae 38 ...

   Meeting Document : CCAMLR/86/FA/08 : Auteur(s): W. Ślósarczyk (Poland)

4. Beach litter accumulation at sub-Antarctic Marion Island – 1998/99

   dominated for the previous two years. Items originating from South America (Argentina in particular) were ... accunmulation for the year May 1998- April 1999. The amount of debris found in both annual and monthly ... Abstract:  As part of an ongoing study on Subantarctic Marion Island, we report on beach litter ... most (60%) items collected during the annual survey were less than two months old. This strong seasonal ...

   Meeting Document : CCAMLR-XVIII/BG/22 : Auteur(s): Delegation of South Africa

5. Distribution of the Soviet fishing fleet and catches (CPUE) in Subdivision 48.3 during 1986–1990

   for the Soviet krill fishery in subdivision 48.3 for 1986-1980 (15 thousand hauls) were analyzed ... . During the fishing season from April to September two basic fishing grounds with a quazi-stationary ... boundary between them located at 37-37 30’ W have been distinguished. These fishing grounds are formed ... fishing ground existed for a longer time period- basically from April to August, while the western ground ...

   Meeting Document : WG-EMM-02/63 Rev. 1 : Auteur(s): V.A. Sushin, P.C. Gasiukov, A.V. Zimin and S.M. Kasatkina (Russia)

6. Solutions to seabird by-catch in Alaska’s demersal longline fisheries

   fishery for Pacific cod. We conducted tests over two years to account for inter-annual variation and allow ... for improvement and innovation. A key feature of this program was an industry-agency-academic ... Individual Fishing Quota fishery for sablefish and halibut and the Bering Sea catcher-processor longline ... setting gear and the need for report card and peer-review systems, as well as the need for national and ...

   Meeting Document : WG-FSA-01/35 : Auteur(s): E.F. Melvin, J.K. Parrish, K.S. Dietrich and O.S. Hamel (USA)

7. COLTO Depredation Workshop

   operational guidelines in regards to depredation. A second depredation workshop is planned for 2018, aimed at ... 2016.  Results were an enhanced understanding on the current state of depredation in toothfish ... evaluate depredation.  “Next steps” regarding studying and minimising depredation were established for all ... that were addressed in the inaugural workshop. Since the workshop, two separate post-doctoral ...

   Meeting Document : SC-CAMLR-XXXV/BG/23 : Auteur(s): Submitted by COLTO

8. 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)

9. 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

10. Long term variability in the diet and reproductive performance of penguins at Bird Island, South Georgia

    (1989 to 2010) was examined for gentoo penguins Pygoscelis papua breeding at Bird Island, South Georgia ... variability for both species, but their diets indicate that gentoo penguins are generalist predators (feeding ... pelagic prey). Differences in the response to variability in key prey species is an important factor ... separating the ecological niches of these two sympatric krill predators. Author(s):  C.M. Waluda, S.L. Hill ...

    Meeting Document : WG-EMM-17/P02 : Auteur(s): C.M. Waluda, S.L. Hill, H.J. Peat and P.N. Trathan

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