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1. Assessing data requirements for tag-based estimates of local biomass in data-poor and exploratory fisheries

   Abstract:  This study used an operating model to simulate a Dissostichus eleginoides population in ... achieving the same level of accuracy to 80%, a minimum of 20 tagged fish recaptures were required when ... consider developing criteria such as a minimum number of annual tag-recaptures required in each Research ... in data-poor and exploratory fisheries Microsoft Word File:  sam-17-13.docx Approval:  Approved ...

   Meeting Document : WG-SAM-17/13 : Autor(es): L. Robinson, P. Burch and K. Reid

2. Concordance of inter-annual fluctuations in densities of krill around South Georgia and Elephant Islands: biological evidence of same-year teleconnections across the Scotia Sea

   both SG and El. There was no apparent lag in changes in abundance at each site, and ranked between-year ... Abstract:  Acoustic estimates of the densities of Antarctic krill, Euphausia superba, in areas ... simply have been a function of differences in survey and data analysis techniques used at each site. More ... mirrored by those at the other location; for example, 1991 and 1994 were years of very low krill density at ...

   Meeting Document : WS-AREA 48-98/11 : Autor(es): A.S. Brierley (UK), D.A. Demer, R.P. Hewitt (USA) and J.L. Watkins (UK)

3. Plan of research program of the Russian Federation in Subarea 48.5

   Antarctic which is very similar to the Ross Sea in some respects like shape, bathymetrical profile and ... , fishery in subarea 48.5 is closed based on absent stock assessment. The main objective of the present ... in accordance with CCAMLR decision rules. The program contains several phases and prospected for 5 ... years. Detailed plan of fishing operations, collecting and analysis of data will be provided for the ...

   Meeting Document : WG-SAM-15/18 : Autor(es): Delegation of the Russian Federation

4. 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 : Autor(es): E. Jackowksi (Poland)

5. 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 : Autor(es): Stein, M.

6. 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 : Autor(es): B.P. Watkins, S.L. Petersen and P.G. Ryan (South Africa)

7. 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 ... years. This reduced the global population to 26 000 pairs, when including Namibian breeders, and led to ... classification of the species as Endangered. In South Africa, penguins breed in two regions, the Western Capeand ...

   Meeting Document : WG-EMM-11/P8 : Autor(es): 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

8. 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 : Autor(es): 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.

9. 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 : Autor(es): A.J. Constable, B. Raymond, S. Doust, D. Welsford and K. Martin-Smith (Australia)

10. 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 : Autor(es): R. Eisert, M.H. Pinkerton (New Zealand), S.D. Newsome and O.T. Oftedal (USA)

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