Résultats de la recherche

1. Stable isotope analysis of tissue samples to investigate trophic linkages of Antarctic toothfish (Dissostichus mawsoni) in the Ross and Amundsen Sea regions

   and Amundsen Sea regions (CCAMLR Subareas 88.1 and SSRU 88.2H respectively). More than 1700 toothfish ... samples each of four by-catch species (grenadiers, icefish, moray cods and deep-sea cod) were also ... analysed, but only from the Ross Sea region. Appropriate corrections were made to account for the effect of ... level; (2) δ 15 N values of toothfish on the Ross Sea slope were lower (~0.8‰ between medians) than in ...

   Meeting Document : WG-EMM-14/50 : Auteur(s): M.H. Pinkerton, S.J Bury, J.C.S. Brown, J. Forman and A. Kilimnik (New Zealand)

2. The use of sea lion exclusion devices in the New Zealand Auckland Islands shelf trawl squid fishery

   Abstract:  The New Zealand sea lion is taken incidental to trawl fisheries within New Zealand’s ... fisheries waters. About 99% of the incidental sea lion take occurs within the Auckland Islands region in ... association with a seasonal trawl fishery for squid. From 1995 through 2004, an estimated 79 (SD ± 35) sea ... lions were taken annually, incidental to trawl squid fisheries. The threatened classification of sea ...

   Meeting Document : WG-FSA-05/48 : Auteur(s): R. Mattlin (New Zealand)

3. Analysis of sea-ice concentration of 48.6_4 and _5 with remote sensing data during the latest four seasons

   Abstract:  We analyzed the sea-ice concentration for the southern ice-shelf areas of 48.6 during ... meeting). Figure 2 shows the sea-ice dynamics during the last four seasons (2013-2016) for the two ... research blocks, 48.6_4 and 48.6_5. The sea-ice concentration during January-March for block 48.6_4 was ... completed almost all the catch limit allocated. Figure 3 focused the sea-ice dynamics in and around block ...

   Meeting Document : WG-SAM-16/42 Rev. 1 : Auteur(s): T. Namba, K. Taki and T. Ichii

4. A versatile approach to minimise damage or loss of longline gear due to sea-ice

   likely due to impact by sea ice. Especially when operating in areas with difficult sea ice conditions and ... quickly varying sea ice cover, there is an increased risk that any parts of longline gear floating on the ... surface might get caught up and ensnarled by drifting sea ice flows or sea ice pressure ridges. This paper ... buoy recovery systems for short-term deployment of scientific instruments on the sea floor and invites ...

   Meeting Document : WG-FSA-2019/04 : Auteur(s): S. Hain, T. Brey and K. Teschke

5. Pleuragramma antarcticum distribution in the Ross Sea during late austral summer 2013

   , there is still much unknown about larval fish distribution in the Ross Sea, Antarctica. During a United ... sampled the icthyoplankton community at 17 locations in the western Ross Sea as well as one location in ... the central Ross Sea and one location in the far south of the eastern Ross Sea (in the Bay of Whales ... ). Larval P. antarcticum made up more than 99% of the icthyoplankton in the western Ross Sea. Most of these ...

   Meeting Document : WG-EMM-14/38 : Auteur(s): C. Brooks and K. Goetz (USA)

6. To what extent do type C killer whales (Orcinus orca) feed on Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea, Antarctica?

   Abstract:  Information on type C killer whales in the Ross Sea region is reviewed, in particular ... item for type C killer whales in the Ross Sea: (1) type C killer whales near McMurdo Sound have been ... higher quality than other potential prey in the Ross Sea region; (3) densities of other alternative ... Ross Sea for feeding and the development of a fish-eating ecotype; (4) anecdotal observations of type C ...

   Meeting Document : WG-EMM-13/29 : Auteur(s): L. Torres, M.H. Pinkerton (New Zealand), R. Pitman, J. Durban (USA) and R. Eisert (New Zealand)

7. Adélie penguin population change in the pacific sector of Antarctica: relation to sea-ice extent and the Antarctic Circumpolar Current

   on Ross Island, Ross Sea, 1959 to 1997. The sizes of these colonies have displayed significant ... physical environmental factors during that part of the record with comparable sea-ice satellite imagery ... from 1973 to 1997. The Ross Sea sector of the Southern Ocean lying north of Ross Island, from 150° E to ... , and inversely, by the extent of sea-ice in the study area 5 winters earlier, and in some way related ...

   Meeting Document : WG-EMM-01/23 : Auteur(s): P.R. Wilson (New Zealand), D.G. Ainley, N. Nur, S.S. Jacobs (USA), K.J. Barton (New Zealand), G. Ballard and J.C. Comiso (USA)

8. Oceanic debris observations in the southern ocean whale sanctuary, from Antarctic Peninsula to the Ross Sea: December 1994 to March 1995

   start and finish of the expedition, especially near the Antarctic Convergence south of the Tasman Sea ... Peninsula, and north and northwest of the Ross Sea, and consisted mostly of plastic Items, especially ... Ross Sea, whereas non-penguin feathers dominated north and northwest of the Ross Sea. In the southern ... Ross Sea a single sample contained 31 small dead fish. Natural mesolitter quantities were usually low ...

   Meeting Document : SC-CAMLR-XVI/BG/29 : Auteur(s): ASOC Observer

9. Network characterisation of the food-web of the Ross Sea, Antarctica

   food-web of the Ross Sea shelf and slope before the advent of commercial fishing for Antarctic ... , i.e. the whole Ross Sea shelf and slope area, averaged over a typical year, and in 35 trophic groups ... not resolved by this analysis. The Ross Sea food-web is a partially inverted biomass pyramid with a ... the total living biomass in the Ross Sea (bacteria excluded). The six groups with the highest ‘indices ...

   Meeting Document : WG-EMM-12/53 : Auteur(s): M.H. Pinkerton and J.M. Bradford-Grieve (New Zealand)

10. The relationship between sea-ice cover and Adélie penguin reproductive performance at Béchervaise Island

    between sea-ice and penguin populations based on data from multiple sites to predict the likely outcome of ... population growth in response to a reduction in the frequency of heavy sea-ice years. However, it is ... the form of sea-ice present, the season in which it is present and the processes that such sea-ice ... between sea-ice and Adélie penguin reproductive performance, we investigate the relative importance of ...

    Meeting Document : WG-EMM-07/21 : Auteur(s): L. Emmerson and C. Southwell (Australia)

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