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1. Progress towards validation of ageing of Dissostichus eleginoides using otoliths

   , fish have been treated with strontium to mark their otoliths for validation of subsequent age ... estimation. Otoliths from 69 fish that were at liberty for at least 350 days were eventually examined ... . Results indicate that current methods for ageing D. eleginoides are appropriate: the number of observed ... annuli on the otoliths after the strontium mark was consistent with the time at liberty of the fish after ...

   Meeting Document : WG-FSA-04/67 : Автор(ы): K. Krusic-Goluband R. Williams (Australia)

2. Quantifying habitat use in satellite-tracked pelagic seabirds: application of kernel estimation to albatross locations

   one species overlapping with that of the other. Author(s):  A.G. Wood (United Kingdom), B. Naef ... two species covers an estimated 440,000 and 640,000 km2 respectively, with very substantial overlap ... . In contrast, kernel estimation reveals that the main foraging areas of these two sympatric ... , the foraging areas cover c.81,500 and c.119,700 km2 respectively, with 42 % and 50 % of the range of ...

   Meeting Document : WG-FSA-99/19 : Автор(ы): A.G. Wood (United Kingdom), B. Naef-Daenzer (Switzerland), P.A. Prince and J.P. Croxall (United Kingdom)

3. Remarks on natural mortality of Dissostichus eleginoides in Subarea 48.3

   Abstract:  With samples originated in the Chilean longline fishery of Dissostichus eleginoides of ... , fishing depth and hook type. It was determined that there was no significative differences, in M value, in ... the considered cases with the different growing parameters, with the exception of the case of fishing ... found that there were significative differences between fishing sites and curve hooks N° 14 and straight ...

   Meeting Document : WG-FSA-92/21 Rev. 1 : Автор(ы): C.A. Moreno and P.S. Rubilar (Chile)

4. Mitigation of seabird captures during hauling in CCAMLR longline fisheries

   / Description:  In recent years there has been an increased focus on reducing seabird captures that occur during ... suggest that there are two key aspects of effective BEDs, firstly that they provide a deterrent to ... seabirds landing adjacent to the line as it is being hauled, and secondly that seabirds are deterred from ... these two key functional characteristics into the specification of a BED to be deployed by longline ... weighting the streamers with objects that would ‘jib’ about in the wind and water, such as stainless steel ... problems with entanglement in the hookline/hauling gear in bad weather but that the heavier weighted ... - cussion with observers and operators, suggests that there are two key aspects of effective BEDs: firstly ... different assemblage of seabird species associ- ated with vessels than in Subarea 48.3, suggest that a Type ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 155–162 : Автор(ы): Reid, E., B. Sullivan and J. Clark

5. Extension to the krill-predator modelling exercise

   krill harvesting is found to be strongly dependent on the estimate of the maximum annual growth rate (R ... ) which the population can achieve. For R=10%, it is estimated that a krill harvesting intensity rate γ of ... slightly more than 0.1 would be required to reduce the seal population to half its pre-exploitation level ... -related mortality effects from overall survival rate data before they can be taken further. Author(s ...

   Meeting Document : WG-EMM-96/67 : Автор(ы): Thomson, R.B., Butterworth, D.S.

6. Southern elephant seals and CCAMLR

   been recently confirmed for the Macquarie Island stock. The availability of food, competition with ... rapidly growing fur seal populations and competition with fishing fleets have all been suggested as ... possible causes of the elephant seal’s decline in the region. Such explanations assume that a communal ... feeding ground, not yet identified, exists and that this exerts some common influence on the species ... (50 000 km2 ) was estimated to be in excess of 230 000 t and with a maximum sustainable yield (MSY ... , cephalopods and euphausiids may be competing with the declining elephant seal population, especially with ... ) of 80 000 t per annum compared with recently suggested standing stock of only 130 000 t and a MSY ... may mingle in winter. Also, it can be hypothesized that large sized - 471 - elephant seals, i.e ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 465-473 : Автор(ы): Bester, M.N. and D.G.M. Miller

7. Long term movements and activity patterns of an Antarctic marine apex predator: the leopard seal

   Abstract:  Leopard seals are an important Antarctic apex predator that can affect marine ... island of South Georgia. It appears that these tracked animals migrate in a directed manner towards Bird ... shallow shelf water and regions of sea ice. Wet and dry sensors revealed that seals hauled out for between ... 22 and 31% of the time with maximum of 74 hours and a median of between 9 and 11 hours. The longest ...

   Meeting Document : WG-EMM-18/P09 : Автор(ы): I.J. Staniland, N. Ratcliffe, P.N. Trathan and J. Forcada

8. 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 ... length structure was revealed in the survey 1988. It is assumed that the first grouping is transported ...

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

9. Modeling the growth dynamics of Antarctic krill

   that were consistent with observations of experimentally starved individuals. the annual change in ... in the current literature. The model was forced with an environmental time series of food (pelagic ... phytoplankton concentration) that was derived from data sets collected west of the Antarctic Peninsula. Three ... time series were created to represent high, low, and intermediate food conditions with the high and low ...

   Meeting Document : WG-EMM-96/68 : Автор(ы): Lascara, C.M., Hofmann, E.E.

10. Population and survival trends of wandering albatrosses (Diomedea exulans) breeding on Macquarie Island

    with information from an intensive demographic study conducted between 1994 and 2003. Annual breeding ... effort and survival varied markedly with breeding numbers declining from a peak in 1964 to near ... and, to a lesser extent, adult survival. These survival changes were coincident with changes in ... . Trends in population numbers and survival are similar to that observed in other populations in the Indian ...

    Meeting Document : WG-FSA-04/50 : Автор(ы): A. Terauds, R. Gales, R. Alderman and G.B. Baker (Australia)

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