Résultats de la recherche

1. Biotopic and spatial distribution of krill Euphausia superba Dana (Crustacea, Euphausiacea) length groupings in the Atlantic sector of Antarctic in summer 1984 and 1988

   Abstract:  Three basic length groupings of krill were identified with the clustering analysis on ... in summer 1984 and 1988. The large-length grouping is biotopically associated with the waters of the ... grouping are associated with the Weddell Sea waters. Besides, the additional fourth grouping with bimodal ... complied with the climatic norm and seemed to stipulate the typical pattern of krill spatial distribution ...

   Meeting Document : WG-EMM-04/27 : Auteur(s): V.V. Lidvanov, A.V. Zimin, K.E. Shulgovsky (Russia)

2. Winter distribution of chinstrap penguins from two breeding sites in the South Shetland Islands of Antarctica

   on King George Island (620 10’ S, 580 27’ W) were instrumented with satellite tags following their ... migrating eastward. Both of these penguins followed the Scotia Arc with the chinstrap penguin tagged in 2004 ... tracked to the vicinity of the South Orkney Islands where its signal was lost in April, a distance of 800 ... Islands until its signal was lost at 580 30’ S, 360 10’ W in late July, over 1300 km from its breeding ...

   Meeting Document : WG-EMM-06/17 : Auteur(s): W.Z. Trivelpiece, S. Buckelew, C. Reiss and S.G. Trivelpiece (USA)

3. Report on fish by-catch on exploratory fishing in Divisions 58.4.1 and 58.4.2

   eastern blocks where Macrourus CPUE also increased in the last 3 years. Macrourus CPUE was 23kg/1000 hooks ... everywhere. The ratio by-catch to target catch was higher in the eastern part of Division 58.4.1. The ratio ... in average with relatively little spatial variations except in the east were it could reach 180kg ... sp. and Antimora rostrata were females in every research blocks with spatial variations in total ...

   Meeting Document : WG-FSA-18/28 : Auteur(s): C. Péron, P. Yates, D. Maschette, C. Chazeau, P. Ziegler, D. Welsford, N. Gasco and G. Duhamel

4. Beach debris survey – Main Bay, Bird Island, South Georgia, 2004/05

   Abstract:  During the fifteenth year of standardised beach surveys of man-made debris at Bird ... stable with 4.1135kg collected this year, whilst 5.3957 kg was gathered in 2003/04. For the second ... than the previous recording period with only 23% of the total number of debris items being collected in ... consecutive year, nylon line has been absent from the shores of Bird Island, having once been at a peak of 546 ...

   Meeting Document : SC-CAMLR-XXV/BG/12 : Auteur(s): Delegation of the United Kingdom

5. Responding to climate change: Adélie penguins confront astronomical and ocean boundaries

   that Adélies require both pack ice and some ambient light at all times of year. Over a 3-yr period ... latitudes for the remainder of the year. The latitudinal range of the Adélie penguin spans ~22o. Penguins ... Sensors affixed to penguins each year at both Cape Royds and Cape Crozier in 2003-2005. Migrations ... averaged 12,760 km, with the longest being 17,600 km, and were in part facilitated by pack ice movement ...

   Meeting Document : WG-EMM-10/P11 : Auteur(s): G. Ballard, V. Toniolo, D.G. Ainley, C.L. Parkinson, K.R. Arrigo and P.N. Trathan

6. Characteristics of seasonal variation in diurnal vertical migration and aggregation of Antarctic krill (Euphausia superba) in the Scotia Sea, using the Japanese fishery data

   vertical migration of Antarctic krill (Euphausia superba) associated with the brightness categories of the ... during summer and early autumn, and deepened gradually from autumn and attained the maximum depth in ... winter over the Scotia Sea. However, it shifted to shallower in early spring, when krill began to feed on ... phytoplankton. Vertical range of trawling depth was narrower during spring and early autumn, but greater during ...

   Meeting Document : WG-EMM-04/44 : Auteur(s): K. Taki, T. Hayashi and M. Naganobu (Japan)

7. BEACH DEBRIS SURVEY – MAIN BAY, BIRD ISLAND, SOUTH GEORGIA 1995/96

   Abstract:  The sixth year of surveys of beached man-made debris at Bird Island, South Georgia ... number of items collected at the end of summer (March) was 75% greater than the previous year, which was ... itself an 8-fold increase over any earlier value. Nylon line, identical with that attached to longline ... continuing high levels of man-made debris and the recent rapid increase in levels during summer, coinciding ...

   Meeting Document : CCAMLR-XVI/BG/4 : Auteur(s): Delegation of the United Kingdom

8. Beach debris survey – Main Bay, Bird Island, South Georgia 1999/2000

   Abstract:  During the tenth year of standardised beach surveys of man-made debris at Bird Island ... items collected in 1998/99, but is consistent with numbers in years prior to the 1998/99. A dramatic ... return to the levels observed prior to 1998/99. Debris associated with fisheries remains the major ... enhance its campaign to reduce the amount of man-made debris jettisoned into the Southern Ocean by fishing ...

   Meeting Document : SC-CAMLR-XX/BG/02 : Auteur(s): Delegation of the United Kingdom

9. Milk fatty acid signatures indicate both major and minor shifts in foraging ecology of lactating Antarctic fur seals

   Antarctic fur seals at South Georgia during the perinatal period (n= 19) and subsequently during early (n=11 ... ), mid (n=11), and late (n=8) foraging trip intervals, and demonstrate its use in detecting shifts in ... prey intake which correspond with changes observed in diving and foraging behavior during a poor food ... year (austral summer 1990/1991). In lactating otariid females, milk fatty acids secreted during the ...

   Meeting Document : WG-EMM-97/14 : Auteur(s): Boyd, I.L., Iverson, S.J., Arnould, J.P.Y.

10. Distribution and abundance of Antarctic krill in the vicinity of Elephant Island during the 1994 austral summer

    Island and the eastern end of King George Island; the second and third surveys covered approximately 2100 ... be 401 X 106 t. Five weeks later highest densities of krill were mapped north of Elephant Island and ... during the last five years of AMLR surveys in the Elephant Island study area and one-fifth of the 1990 ...

    Meeting Document : WG-Joint-94/09 : Auteur(s): R.P. Hewitt and D.A. Demer (USA)

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