Résultats de la recherche

1. Haul data analysis from the Polish krill fishery in 1997–1999

   of 60-70 minutes. Differences in catch rates in various areas and years were observed. The highest ... February and June from 1997 to 1999 in statistical area 48. Records from each haul were used for analysis ... catches in this period and area. Each fishing season was different. In 1997 the catches were carried out ... in sub-area 48.1 and 48.3, in 1998 they were exclusively carried out in sub-area 48.1 and in 1999 in ...

   Meeting Document : WG-EMM-00/17 : Auteur(s): E. Jackowksi (Poland)

2. Hydrographic conditions in the Elephant Island plateau region during December 1996

   -operative analysis of data sampled throughout the years in the Elephant Island Plateau Region. With the new ... ) Islands and the Antarctic Peninsula Region. A data set sampled during December 1996 in the Elephant Island ... collected by German research vessels in this region. By means of a new interactive software water mass ... circulation. Compared to krill abundance data, the thermal and the dynamic fields indicate some correlation in ...

   Meeting Document : WG-EMM-97/06 : Auteur(s): Stein, M.

3. Interactions between seabirds and deep water hake trawl gear: an assessment of impacts in South African waters 2004/05

   000-31 000) birds killed per year, of which 85% are killed on warps and 15% entangled in nets. Of the ... Abstract:  This study estimates the mortality of seabirds in the South African deep water hake ... during 20 trips on 14 vessels between mid-2004 and end 2005. Long-winged albatrosses were killed most ... . Mortalities were greater in winter, when more birds attended fishing vessels, and most occurred during dumping ...

   Meeting Document : WG-FSA-06/41 : Auteur(s): B.P. Watkins, S.L. Petersen and P.G. Ryan (South Africa)

4. A REVIEW OF BIAS AND UNCERTAINTY IN ANTARCTIC PACK-ICE SEAL ABUNDANCE ESTIMATES

   than 50 years from when pack-ice seal surveys were first undertaken and reported in the 1950s to the ... groups, including abundance, trends in abundance, habitat utilisation, foraging and growth, this review ... of pack-ice seals focuses primarily on abundance and to a lesser extent trends in abundance. The ... encountered in the pack-ice and fast-ice surrounding Antarctica (crabeater seal Lobodon carcinophaga, Ross ...

   Meeting Document : CCAMLR-IWC-WS-08/06 : Auteur(s): Steinhage, D., Bengtson, J., Blix, A.S., Bester, M., Boveng, P., Laake, J., Cameron, M., Nordøy, E., Forcada, J., Stewart, B., Southwell, C., Trathan, P., Rogers, T., Plotz, J., Bornemann, H.

5. COLLAPSE OF SOUTH AFRICA’S PENGUINS IN THE EARLY 21ST CENTURY

   Abstract:  The number of African penguins Spheniscus demersus breeding in South Africa collapsed ... from about 56 000 pairs in 2001 to some 21 000 pairs in 2009, a loss of 35 000 pairs (>60%) in eight ... classification of the species as Endangered. In South Africa, penguins breed in two regions, the Western Capeand ... Algoa Bay (Eastern Cape), their breeding localities in these regions being separated by c. 600 km. Their ...

   Meeting Document : WG-EMM-11/P8 : Auteur(s): R.J.M. Crawford, R. Altwegg, B.J. Barham, P.J. Barham, J.M. Durant, B.M. Dyer, D. Geldenhuys, A.B. Makhado, L. Pichegru, P.G. Ryan, L.G. Underhill, L. Upfold, J. Visagie, L.J. Waller and P.A. Whittington

6. Elaborating a representative system of marine protected areas in eastern Antarctica, south of 60°S

   paper, we develop a proposal for a RSMPA in eastern Antarctica for the region between 30 o E and 150 o E ... Comprehensiveness, Adequacy and Representativeness (CAR) in the long term, (ii) accounts for the state of knowledge ... , and (iii) can be modified as the state of knowledge improves. In addition, the utility of the RSMPA ... will be increased if it (iv) can act as a source for maintaining biodiversity in areas outside of the ...

   Meeting Document : WG-EMM-10/26 : Auteur(s): A.J. Constable, B. Raymond, S. Doust, D. Welsford and K. Martin-Smith (Australia)

7. Population dynamics of wandering albatross Diomedea exulans and Amsterdam albatross D. amsterdamensis in the Indian Ocean and their relationships with longline fisheries: conservation implications

   recent years has probably resulted in the slow recovery of these albatross populations as a result of ... Abstract:  Studies carried out over the past three decades at Crozet and Kerguelen Islands in the ... populations are in contact with long-line fisheries, mainly the pelagic Japanese southern blue-Jin tuna ... albatross populations, most which are still declining in the Southern Ocean. Possible conservation measures ...

   Meeting Document : WG-FSA-96/09 : Auteur(s): Jouventin, P., Brothers, N., Weimerskirch, H.

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

   during the last five years of AMLR surveys in the Elephant Island study area and one-fifth of the 1990 ... from four acoustic surveys conducted in the vicinity of Elephant Island, Antarctica, from mid-January ... biomass in the same survey portion was estimated to be 359 X 106 t. During the second and third surveys ... high densities of krill were mapped in the shoal waters to the north of Elephant Island; biomasses were ...

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

9. A critical re-examination of the evidence for a possible dependence of Weddell seals (Leptonychotes weddellii) on Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea, Antarctica

   (Dissostichus mawsoni; ‘toothfish’) in the Ross Sea may affect the ecological viability of top predators such as ... of potential prey species including toothfish in the context of updated estimates of Weddell seal ... -energy food resource for Weddell seals that possibly cannot be adequately replaced by other prey, in ... antarcticum) in Weddell seal diets should be re-examined given the known biases of methods used to derive diet ...

   Meeting Document : WG-EMM-13/28 : Auteur(s): R. Eisert, M.H. Pinkerton (New Zealand), S.D. Newsome and O.T. Oftedal (USA)

10. Has climate change promoted genetic fragmentation in the ice-dependent fish Pleuragramma antarcticum?

    in the central region of the western AP for two consecutive years, all suggest that this sea-ice ... pelagic life cycle and plays a major trophic role in the coastal Antarctic marine ecosystem. A previous ... pools, and population structure. In the present study, we used 16 EST-linked microsatellites to ... variability in the southwestern AP, while significant genetic differences were detected on a small geographic ...

    Meeting Document : WG-FSA-13/67 : Auteur(s): C. Agostini, T. Patarnello (Italy), J. Ashford, J. Torres (USA) and L. Zane (Italy)

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