Résultats de la recherche

1. Estimates of primary production by ice algae and phytoplankton in the coastal ice-covered area near Syowa Station, Antarctica

   Station (69°00'S, 39°35'E), Antarctica, was estimated. Mean daily production in each month from ... February 1983 to January 1984 was calculated with a mathematical model based on measured parameters of ... ice during the year ranged from 0 to 6.5% of incident solar radiation, due to attenuation with snow ... and phytoplankton was 3.5 and 17 gC m-2, respectively. These results indicate that summer ...

   Meeting Document : WG-KRILL-93/28 : Auteur(s): H. Satoh, K. Watanabe and T. Hoshiai (Japan)

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

   Abstract:  Between 2001 and 2013 the number of breeding pairs of Adélie penguins (Pygoscelis ... half a million. It has been suggested that predation release of Antarctic silverfish (Pleuragramma ... predation release hypothesis. In particular, the examination of 422 Antarctic toothfish stomachs showed that ... inconsistent with predation release of silverfish due to the toothfish fishery being responsible for recent ...

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

3. Informative approaches to ageing Antarctic fishes

   considered in terms of the passage of time (chronological age), and it can also be examined as &#039 ... otolith architecture increased with fish size and was indicative of daily deposition, validated to be ... Abstract:  Two concepts can be examined when studying the age of Antarctic fishes. Age can be ... ;physiological time'. In this regard otoliths and post-mitotic tissues may contain a large amount of ...

   Meeting Document : CCAMLR/86/FA/07 : Auteur(s): R.L. Radtke and K.T. Hill (USA)

4. Educational poster on hook ingestion

   observer on the F/V Argos Helena estimated that >15,000 fish heads were discarded with hooks still in ... offal, and injuries to birds that appear consistent with interactions during line hauling. This raises ... that alternative means should be considered. One alternative means would be the production and ... Abstract:  Since the 2001/2002 season CCAMLR has recognised the importance of the high level of ...

   Meeting Document : WG-FSA-07/20 : Auteur(s): G. Robertson (Australia)

5. Standing stock, biology, diet and spatial distribution of demersal finfish from the 2003 US AMLR bottom trawl survey of the South Shetland Islands (Subarea 48.1)

   bottom trawl surveys of the South Shetland Islands (Subarea 48.1) during the 1998, 2001, and 2003 austral ... . The standing stock for most species has fluctuated, with no signal of substantial year classes or ... relative to all other species, there appears to be a decline in biomass. The overall abundance of finfish ... in the South Shetland Islands has yet to reach a level at which commercial exploitation would be ...

   Meeting Document : WG-FSA-03/38 : Auteur(s): C.D. Jones (USA), K.-H. Kock, (Germany), J. Ashford, A. DeVries, K. Dietrich (USA), S. Hanchet (New Zealand), T. Near, T. Turk (USA) and S. Wilhelms (Germany)

6. Request for removal of the vessel bearing IMO No. 9319856 from the NCP-IUU Vessel List

   information showing that it has no shared interests legal, financial or juridical with the former owners of ... be removed from the NCP-IUU vessel list, based on the fact that the conditions stated in paragraph 18 ... registration and flag made to Chile was denied in compliance with Conservation Measure 10-07 (2016), given that ... -IUU vessel list, Pesca Cisne S.A. intends to register it in Chile, request that it be flagged and use ...

   Meeting Document : CCAMLR-XXXVII/BG/38 : Auteur(s): Delegación de Chile

7. A study of UK and Russian surveys using acoustics to augment trawling methods in shelf waters off South Georgia (Subarea 48.3)

   Abstract:  In 2001/2002 Russian and UK vessels undertook surveys for icefish at South Georgia ... acoustic surveys indicated that icefish were not only located near to the seabed, but that a significant ... estimates are ~ 1.5 times greater This should be taken into account in the forthcoming stock assessment ... during WG-FSA–2002. These results show that the current observation system for the collection of data for ...

   Meeting Document : WG-FSA-02/56 : Auteur(s): S. Kasatkina, P. Gasyukov (Russia), C. Goss, I. Everson, M. Belchier, T. Marlow, A. North and M. Collins (United Kingdom)

8. The effects of global climate variability in pup production of Antarctic fur seals

   Abstract:  Climate variability has strong effects on marine ecosystems, with repercussions that ... . Nonlinear mixed effects models indicated that positive anomalies at South Georgia explained extreme ... range in scale from those that impact individuals to those that impact the entire food web. Climate ... sea surface temperature (SST). Environmental autocorrelation at South Georgia was evident with ...

   Meeting Document : WG-EMM-06/P2 : Auteur(s): J. Forcada, P.N. Trathan, K. Reid and E.J. Murphy (United Kingdom)

9. Depth distribution and spawning pattern of Dissostichus eleginoides over the winter period in Subarea 48.3

   with movement of animals to preferred spawning depths. A general model would be that toothfish form ... high mean length at depth are May and August, and with a low mean length at depth are April and July ... . Examination of maturity data suggests that in addition to a major spawning event in late July/August, there ... spawning between the two areas. There may be two (or more) spawning periods during the winter, with the ...

   Meeting Document : WG-FSA-98/58 : Auteur(s): D.J. Agnew, K. Kerkieta, L. Heaps, C. Jones, J. Pearce and A. Watson (United Kingdom)

10. Numerical model of ecosystem including Euphausia superba Dana as a key species in circumpolar region

    OGCM (Ocean General Circulation Model) (2) to develop a one dimensional ecosystem model that can be ... ) with seven compartments and coupled with a one dimensional mixed layer model for calculating the ... Abstract:  On the processes to investigate a proper model for understanding the processes that ... integrated model with the above 5 items. This year, we have developed an OGCM and a one dimensional ecosystem ...

    Meeting Document : WG-Krill-94/26 : Auteur(s): M.J. Kishi and M. Naganobu (Japan)

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