Résultats de la recherche

1. Southern right whale (Eubalaena australis) reproductive success is influenced by krill (Euphausia superba) density and climate

   ) availability for the species. Therefore, increased frequency of years with reduced krill abundance, due to ... number of calves recorded each year varied from 7 to 43 (x = 21.11 ± 11.88). Using cross-correlation ... responsibility for releasing documents:  CCAMLR Secretariat ... correlations were found with krill densities (r = 0.69, p = 0.002, lag 0 years), Oceanic Niño Index (r = −0.65 ...

   Meeting Document : WG-EMM-16/P06 : Auteur(s): E. Seyboth, K.R. Groch, L. Dalla Rosa, K. Reid, P.A.C. Flores and E.R. Secchi

2. Sexing fledglings and yearlings of magellanic penguins by discriminant analysis of morphometric measurements.

   (body) length and bill depth were the most useful variables for discriminating between age classes ... , were invariably bigger than fledglings. For distinguishing the sexes among yearlings, bill depth and ...

   Meeting Document : WG-CEMP-90/42 : Auteur(s): J.A. Scolaro (Argentina)

3. CCAMLR process of risk assessment to minimise the effects of longline fishing mortality on seabirds

   Abstract:  We describe the process used in the fisheries management system of the Convention for ... system of management among the RFMOS covered in this review, and has made the most demonstrable progress ... measures, extensive monitoring by independent observers, annual expert review of seabird bycatch rates and ...

   Meeting Document : WG-FSA-07/P2 : Auteur(s): S.M. Waugh, G.B. Baker, R. Gales and J.P. Croxall (Mar. Pol., in press)

4. A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997/98 to 2006/07

   management of the SSRUs within the two subareas was changed for the 2006 season as part of a 3-year ... . So at this stage there is no evidence for strong variation in year class strength in the fishery ... years in Subarea 88.1 and for five years in Subarea 88.2. This report summarises the large amount of ... Shelf in 1999 and 2001), these year classes are not seen in large numbers in later years in the fishery ...

   Meeting Document : WG-FSA-07/28 : Auteur(s): S.M. Hanchet, M.L. Stevenson and A. Dunn (New Zealand)

5. Distribution and diet of juvenile Patagonian toothfish on the South Georgia and Shag Rocks shelves (Southern Ocean)

   prey were Antarctic krill and notothenid fish. The diet changed with size, with an increase in ... the four years surveyed. Most juveniles were caught on the Shag Rocks shelf to the NW of South Georgia ...

   Meeting Document : WG-FSA-07/P4 : Auteur(s): M.A. Collins, K.A. Ross, M. Belchier, K. Reid. (Mar. Biol., 152: 135–147 (2007)).

6. Fishing gear, marine debris and oil associated with seabirds at Bird Island, South Georgia, 2002/03

   , though numbers of both decreased slightly since last year. The quantity of fishing gear associated with ... longline hooks in offal and bycatch is of concern. Based on items found in regurgitates, an estimated 630 ... longline hooks and/or snoods were ingested by wandering albatross chicks at South Georgia this year. Hooks ... such annual report. As in most previous years, more items of fishing gear (mostly longlining gear) and ...

   Meeting Document : SC-CAMLR-XXII/BG/09 : Auteur(s): Delegation of the United Kingdom

7. Shipboard field operations conducted during the 1989 austral summer by the US Antarctic Marine Living Resources (AMLR) Program

   fish age and growth studies, 8) hydroacoustic survey for krill around Elephant and King George Islands ... survey for fish and invertebrates around South Georgia, 4) measurements of air and surface water C02 ... content, 5) detailed bathymetric mapping, 6) pelagic bird and marine mammal observations, 7) sampling for ... , 9) net sampling for krill in association with the hydroacoustic survey, 10) sampling for larval ...

   Meeting Document : SC-CAMLR-VIII/BG/34 : Auteur(s): Delegation of USA

8. VARIABILITY IN KRILL BIOMASS LINKS HARVESTING AND CLIMATE WARMING TO PENGUIN POPULATION CHANGES IN ANTARCTICA

   ” species have increased. However, 30 y of field studies and recent surveys of penguins throughout the WAP ... of an alternative, more robust hypothesis that attributes both increases and decreases in penguin ...

   Meeting Document : WG-EMM-11/P1 : Auteur(s): W.Z. Trivelpiece, J.T. Hinke, A.K. Miller, C.S. Reiss, S.G. Trivelpiece and G.M. Watters

9. Preliminary results on by-catch of fishes caught by the fishery vessel Chiyo Maru No. 3 to the north of the South Shetland Islands (February to March, 1996)

   in 41 hauls. Notothenioid juveniles were found in 30 hauls carried out in waters with a depth of 87 ... found in 15 hauls, and its estimated value of an arithmetic mean was 4±19 ind./t (0 to 140 ind./t) of ...

   Meeting Document : WG-EMM-96/52 : Auteur(s): Ichii, T., Kawaguchi, S., Naganobu, M.

10. Diet and trophic niche of Antarctic silverfish (Pleuragramma antarcticum) in the Ross Sea, Antarctica

    . Silverfish (50–236 mm standard length, SL) and silverfish prey items were analysed for stable isotopic ... -larval silverfish (standard length, SL<90 mm) consumed exclusively copepods. Large adult silverfish ... weight. Amphipods were important prey items for large adult silverfish in the west of the Ross Sea ...

    Meeting Document : WG-EMM-12/54 : Auteur(s): M.H. Pinkerton, J. Forman, S.J. Bury, J. Brown, P. Horn and R.L. O’Driscoll (New Zealand)

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