Résultats de la recherche

1. Precautionary management of the Antarctic krill fishery at small spatial scales in the context of regional climate variability: pros and cons of coastal buffers, closed areas and move-on rules

   Abstract:  In this paper, we briefly review recent environmental information for the Antarctic ... changes in the oceanic domain add to the complexity of managing the Antarctic krill fishery, particularly ... at small spatial scales. We present an example during the early Austral summer of 2015/2016, when sea ... the potential impacts upon the fishery arising from these methods. We show that designating coastal ...

   Meeting Document : SC-CAMLR-XXXV/BG/14 : Auteur(s): Delegation of the United Kingdom

2. Managing the Ross Sea toothfish fisheries – A response to the consultation responses (COMM CIRC 18/39)

   have notified their intent to fish. After this time the Secretariat will transition to a projection ... Abstract:  In 2017 the fishery in the Northern Area of the Ross Sea Area 88.1 was opened for one ... day, closed for 2 days, and then re-opened, a situation that was criticised by some Members. The ... Secretariat has taken note of the responses to the consultation released in COMM CIRC 18/21 (CCAMLR ...

   Meeting Document : WG-FSA-18/07 : Auteur(s): CCAMLR Secretariat

3. Precautionary spatial protection to facilitate the scientific study of habitats and communities under ice shelves in the context of recent, rapid, regional climate change

   after ice shelf collapse may simply include species from areas that are immediately adjacent to the ... Abstract:  Recent, rapid climate change is now well documented in the Antarctic, particularly in ... the Antarctic Peninsula region. One of the most evident signs of climate change has been ice shelf ... collapse; overall, 87% of the Peninsula’s glaciers have retreated in recent decades. Ice shelf collapse ...

   Meeting Document : WG-EMM-12/34 : Auteur(s): P.N Trathan, S.M. Grant (United Kingdom), V. Siegel and K.-H. Kock (Germany)

4. Consumption estimates for male Antarctic fur seals at the South Orkney Islands during the post mating migration

   for the need of male fur seals to recover condition during this time after fasting during the mating ... Abstract:  The estimates of fur seal consumption of krill in subareas 48.1 to 48.3 which have been ... used in ecosystem modelling and CCAMLR’s risk assessment approach, are based on the distribution of fur ... their biomass is orders of magnitude less than those of penguins. As a result the estimates of fur seal ...

   Meeting Document : WG-EMM-18/10 : Auteur(s): I. Staniland and S. Hill

5. On the problem of diurnal migrations of some fish species on the South Georgia shelf (Subarea 48.3)

   close to the bottom by daylight and were not caught within the pre-bottom layer. At night (after the ... Abstract:  The results of experiments on the South Georgia Shelf carried out in the period of 1986 ... . The most representative data were obtained for Ch.gunnari and N.larseni. The vertical migration trend ... was the most distinctive in Ch.gunnari fry. The individuals used to ascend towards the water column ...

   Meeting Document : WG-FSA-99/64 : Auteur(s): I.A. Trunov, J.A. Frolkina and M.P. Konstantinova (Russia)

6. Effects of weather and sea-ice on the reproductive performance of the Adélie penguin at Edmonson Point, Ross Sea

   Paper Title:  Effects of weather and sea-ice on the reproductive performance of the Adélie penguin ... at Edmonson Point, Ross Sea Abstract / Description:  The breeding biology of the Adélie penguin ... (Pygoscelis adeliae) was studied at Edmonson Point, Victoria Land, during the 1999, 2001 and 2003 breeding ... females were significantly longer than in 1999 and 2001, which in turn delayed the mean departure date of ... December 2002 and coincided with the beginning of hatching. During this period the mean windchill ... which occurred immediately after a major snow and wind storm (Figure 1). In all three seasons the ... EFFECTS OF WEATHER AND SEA-ICE ON THE REPRODUCTIVE PERFORMANCE OF THE ADÉLIE PENGUIN AT EDMONSON POINT ... @unisi.it Abstract The breeding biology of the Adélie penguin (Pygoscelis adeliae) was studied at Edmonson ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 99–109 : Auteur(s): Olmastroni, S., F. Pezzo, V. Volpi and S. Focardi

7. Distribution and possible areas of spatial mixing of two stocks of humpback whales, a krill predator, in the Indo-Pacific region of the Antarctic revealed by genetic analyses

   stocks have shown sign of recovery after heavy commercial exploitation in the last century. Information ... Abstract:  The main purpose of this study was to investigate the distribution and areas of mixing ... of two stocks of the humpback whale, a krill predator, in the Indo-Pacific region of the Antarctic ... on distribution and areas of mixing in the Antarctic feeding grounds is essential to assist the ...

   Meeting Document : WG-EMM-2019/67 : Auteur(s): L.A. Pastene, M. Goto, M. Taguchi and K. Matsuoka

8. Estimation of natural mortality for the Patagonian toothfish at Heard and McDonald Islands using catch-at-age and aged mark-recapture data from the main trawl ground

   Paper Title:  Estimation of natural mortality for the Patagonian toothfish at Heard and McDonald ... Islands using catch-at-age and aged mark-recapture data from the main trawl ground Abstract / Description ... in integrated assessments via CASAL for the Heard and McDonald Islands (HIMI, Division 58.5.2 ... adopted whereby the relatively long time series of catch-at-age and mark-recapture data from the main ... -recapture program beginning in April 1998 also in this ground (Candy et al., 2007). The total number of ... The annual natural mortality rate, M, is a very influential parameter in determining the productiv ... size and the age-at-maturity ogive. The integrated assessments using CASAL (Bull et al., 2005) of ... (D. mawsoni) in the Ross Sea (Subarea 88.1) (Dunn and Hanchet, 2007) apply a fixed value of M of ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 29–45 : Auteur(s): Candy, S.G., D.C. Welsford, T. Lamb, J.J. Verdouw and J.J. Hutchins

9. Surface water masses, primary production, krill distribution and predator foraging in the vicinity of Elephant Island during the 1989-90 austral summer

   identified as the western end of the Weddell-Scotia Confluence. Krill abundance increased approximately 5 ... Abstract:  Four successive surveys of the pelagic marine environment were conducted over a 100-by ... were collected to describe the thermohaline structure, the distribution of phytoplankton biomass and ... primary productivity, the distribution and demography of krill, and the foraging patterns of krill ...

   Meeting Document : WG-CEMP-90/11 : Auteur(s): A.F. Amos, J.L. Bengtson, O. Holm-Hansen, V.J. Loeb, M.C. Macaulay and J.H. Wormuth (USA)

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

    reported by Sosinski /1981/ and Kochkin /1982/, reaching in April, at the end of a summer season, the total ... examined. Their postlarvae and juveniles were found numerously in krill catches in the Scotia Sea area ... Chaenocephalus- were collected at the H. Arctowski Station /King George I., South Shetland Is./•from January 1979 ... to March 1980 /Fig. 1/. Length frequency distributions of the above-named species were usually ...

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

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