Résultats de la recherche

1. Unhappy feet: the reduction of Adélie and chinstrap penguin populations in the West Antarctic Peninsula/Scotia Sea

   ) in the West Antarctic Peninsula/Scotia Sea area. According to this scientific paper, Adélie and ... chinstrap penguin populations have declined more than 50% during the last 30 years at study colonies in the ... South Shetland Islands. This is consistent with the declines in both species throughout the Scotia Sea ... in the abundance of their main prey, Antarctic krill, which is affected by climate change. In this ...

   Meeting Document : CCAMLR-XXX/BG/21 : Auteur(s): Submitted by ASOC

2. A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997–98 to 2010–11

   in Subarea 88.1 and for ten years in Subarea 88.2. This report summarises the timing, depth, and ... 1997–98 to 2010–11. During the 2010–11 fishing year most of the catch in Subarea 88.1 came from the ... slope SSRUs 88.1H and 88.1I, and SSRU 88.1K. About 63% of the catch limit in the north was taken from ... time in each of the fisheries showing no trend. There is no evidence of any truncation of the overall ...

   Meeting Document : WG-FSA-11/45 : Auteur(s): M.L. Stevenson, S.M. Hanchet, S. Mormede and A. Dunn (New Zealand)

3. SPATIAL PATTERNS IN MACKEREL ICEFISH DIET PROVIDES INSIGHTS INTO KRILL ABUNDANCE AND DISTRIBUTION

   South Georgia and Shag Rocks shelves in January 2009. The results show that the diet of this normally ... low in Antarctic krill (7 % IRI) compared with similar data for the same month in 2004-2006. The ... occurrence of krill in the diet with earlier data sets (1967-1992) show that 2009 is not unique, as similarly ... poor krill years occurred in 1969, 1978 and 1991. Spatial analysis of icefish diet indicates ...

   Meeting Document : WG-EMM-09/27 : Auteur(s): M.A. Collins and C.E. Main (United Kingdom)

4. TROPHIC OVERLAP OF WEDDELL SEALS (LEPTONYCHOTES WEDDELLI) AND ANTARCTIC TOOTHFISH (DISSOSTICHUS MAWSONI) IN THE ROSS SEA, ANTARCTICA

   item for Weddell seals in the Ross Sea. • We summarise the life history of Weddell seals to provide an ... prey) will vary between different life history stages at different times of the year in different areas ... evidence that Antarctic toothfish have lower densities near to seal breeding colonies in McMurdo Sound than ... observations, animal-mounted camera information, and observations from field scientists in the McMurdo Sound ...

   Meeting Document : WG-EMM-08/43 : Auteur(s): M.H. Pinkerton, A. Dunn and S.M. Hanchet (New Zealand)

5. DOWN-SCALING FOOSA TO MODEL THE ADMIRALTY BAY PYGOSCELID PENGUIN COLONIES: A WORK IN PROGRESS

   , krill, and environmental variability at the long-term research site in Admiralty Bay, King George Island ... . This work-in-progress serves 2 purposes: 1) to use historical data to estimate parameters in a model ... -fitting framework for the purpose of model validation, and 2) to add and explore functionality in Foosa to ... that Foosa capably captures the general trends in adult abundance at Admiralty Bay with minimal formal ...

   Meeting Document : WG-EMM-08/51 : Auteur(s): J.T. Hinke, G.M. Watters and W.Z. Trivelpiece (USA)

6. ENTANGLEMENT OF ANTARCTIC FUR SEALS ARCTOCEPHALUS GAZELLA IN MAN-MADE DEBRIS AT BIRD ISLAND, SOUTH GEORGIA DURING THE 2007 WINTER AND 2007/08 BREEDING SEASON

   March 2008 a total of 36 entangled seals were observed. Sixteen and 20 entanglements were observed in ... proportion of entanglements were in sections of fishing net (40%). Packing bands were the second most ... abundant entangling material in both summer (38%) and winter (25%). The majority of entanglements (78 ... %) involved juveniles (including pups and sub-adults), comprising 88% in winter and 65% in summer. Data for ...

   Meeting Document : WG-FSA-08/27 : Auteur(s): E.W.J. Edwards (UK)

7. Development of the krill stock in the elephant island region during the 1996/97 season

   relatively scarce. Maximum krill density exceeded 7350 juvenile krill per 1000 m3. In general krill density ... was much higher than in previous years. The krill stock was dominated by length classes around 35 mm ... preceeding year-class. In December 1996 adult krill was mostly (68 %) found to be in the prespawning stage ... , indicating an average year for krill reprodution in this area, which is not the optimum starting point for a ...

   Meeting Document : WG-EMM-97/16 : Auteur(s): Siegel, V.

8. Winter gut contents of the Antarctic krill (Euphausia superba Dana) collected in the South Georgia area

   Abstract:  Foregut contents of the Antarctic krill Euphausia superba Dana which were collected in ... the South Georgia area in austral winter, 12 July ~ 4 August 1992 were observed. A total of 130 ... were examined in this study. The foregut contents of the krill consisted of various fragments of ... crustacean zooplankton in 77 individuals out of 130 examined. Among the fragments a portion of the pereiopods ...

   Meeting Document : WG-KRILL-93/30 : Auteur(s): Y. Nishino and A. Kawamura (Japan)

9. Fishes caught along with the Antarctic krill in the vicinity of the South Georgia Island during the austral winter months of 1992

   of 1992 (from July 9 to August 3) on board F/V No.3 and No.5 Chiyo Maru in the vicinity of the South ... found in 20 trawl catches. Among by-catch fishes, juvenile Lepidonotothen larseni was the most abundant ... (62 specimens; 93.9% in number; 58.9% of total weight of by-catch fish). Standard length (SL) of L ... ) were also found, but no other fish species was recognized in our by-catch samples. The abundance of ...

   Meeting Document : WG-KRILL-93/51 : Auteur(s): T. Iwami (Japan)

10. Notothenia (p.) gibberifrons Stock Status and TAC Estimation in the Area of Shag Rocks (Subarea 48.3)

    the fact that in the 1986/1987 season the recruitment in the first age group was not less than long ... -term mean (5947 million specimens), the abundance of N. guntheri in 1987/77 was 152 thousand tons. Then ... the following TAC values were obtained: a) Fishing intensity (F) in the predicted period is equal to ... ) Fishing intensity in the predicted period is at the level of 1987/88; c) Fishing intensity in the ...

    Meeting Document : WG-FSA-88/33 : Auteur(s): R. Borodin and K. Shust (USSR)

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