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1. Exploratory analysis of acoustic data from the Ross Sea

   conducting acoustic surveys for toothfish and rattails in the Ross Sea. Acoustic data were collected using a ... . All line recordings were in water over 1000 m deep. Because of the spreading of the acoustic beam, the ... . Two types of pelagic layers were present in most acoustic recordings: a dense shallow layer between 30 ... present in some recordings and these tended to occur at 150–400 m depth, between the layer marks. The most ...

   Meeting Document : WG-FSA-SAM 03/9 : Автор(ы): R.L. O’Driscoll and G.J. Macaulay (New Zealand)

2. UPDATE OF THE INTEGRATED STOCK ASSESSMENT FOR THE PATAGONIAN TOOTHFISH (DISSOSTICHUS ELEGINOIDES) FOR THE HEARD AND MCDONALD ISLANDS USING CATCH-AT-AGE DATA AND TWO YEARS OF SURVEY ABUNDANCE-AT-AGE DATA

   took into account uncertainty due to haul-level variability in catch-at-length proportions, ALK ... predictions of numbers-at-age and proportions-at-age. In other work, this matrix was found to depend on the ... median score for all aged fish in the assessment was 3 but some fishery-by-year combinations had a higher ... value of 4. The output from the integrated assessment of most interest in this study is the CV of the ...

   Meeting Document : WG-SAM-09/09 : Автор(ы): S.G. Candy (Australia)

3. A von Bertalanffy growth model for Division 58.5.2 fitted to length-at-age data and a comparison of predicted with observed growth from mark–recapture data

   trawl in Heard Island fishery were fitted using a von Bertalanffy (VB) growth model taking into account ... being a sharp decline in selectivity from 100% at 1000 mm down to 1% by 1600 mm. The VB curve fitted to ... relative to those for the LF sample were also included in defining relative probabilities, the VP maximum ... growth rate (AGR) for lengths measured at release and first recapture in mark-recapture studies were ...

   Meeting Document : WG-FSA-SAM-06/07 : Автор(ы): S.G. Candy, A.J. Constable, T. Lamb and R. Williams (Australia)

4. Compliance requirements for an orderly development of the krill fishery

   in Statistical Division 58.4.2 Australia noted that while the scientific data supported an increase ... , such a large increase required the inclusion of other elements in the conservation measure to ... number of compliance measures that have proven successful in managing the toothfish fisheries that are ... catches at port in CM 10-03 (Port inspections of vessels carrying toothfish). o Components of CM 21-02 ...

   Meeting Document : CCAMLR-XXVI/31 : Автор(ы): Delegation of Australia

5. Management Plan for Antarctic Specially Protected Area (ASPA) No. XYX, Edmonson Point, Wood Bay, Victoria Land, Ross Sea

   Abstract:  Edmonson Point (74°20' S, 165°08' E) is located in Wood Bay, Victoria Land ... -free areas in Northern Victoria Land and was first identified in the 1980s as a site that could merit ... special protection. The site is representative in the sense that a wide range of freshwater habitats is ... present, and is considered excellent for studies on biogeochemical processes in lakes; vegetation is ...

   Meeting Document : WG-EMM-05/7 : Автор(ы): Delegation of Italy

6. A krill–predator–fishery model for evaluating candidate management procedures

   Statistical Area 48 amongst smaller spatial units in order to minimize the localized depletion of krill in ... necessary to evaluate these procedures in terms of their likely effects on krill and predator populations as ... well as fishery performance. This evaluation must be conducted in the context of considerable ... running the model in S-Plus and illustrate its use. Finally, we conclude that although our model ...

   Meeting Document : WG-EMM-05/13 : Автор(ы): G.M. Watters, J.T. Hinke (USA), K. Reid and S. Hill (United Kingdom)

7. An interlaboratory comparison of ages estimated for Dissostichus eleginoides from the Argentine Sea, southwest Atlantic Ocean

   Abstract:  To examine consistency among laboratories in age estimation of Patagonian toothfish and ... 124 fishes caughts in Argentine Sea (South West Atlantic) Ages were estimated by readers from National ... a clearer section. More hyaline bands were visible in the NIWA preparations, particularly near the ... otoliths could not be classified as easy to read, the clarity of their zones is quite similar in the South ...

   Meeting Document : WG-FSA-04/45 : Автор(ы): M.C. Cassia (Argentina), P.L. Horn (New Zealand) and J.R. Ashford (USA)

8. An ecosystem-based approach to management: using individual behaviour to predict the indirect effects of Antarctic krill fisheries on penguin foraging

   Abstract:  1. Changes in species’ abundance and distributions caused by human disturbances can ... have indirect effects on other species in a community. Although ecosystem approaches to management are ... conditions on these interactions. In this study, we extended a behavioural model used previously to ... penguin foraging success and behaviour in adjacent breeding sites. 3. Increased fishing pressure offshore ...

   Meeting Document : WG-EMM-03/34 : Автор(ы): S.H. Alonzo, P.V. Switzer and M. Mangel (USA)

9. Defining predator foraging ranges, illustrated using Adélie penguin foraging tracks from Mawson coast

   taking into account interannual variation in foraging locations? This paper considers the issues to be ... addressed in answering that question. The proposed method for defining foraging ranges is based on an ... effort and this is used to delineate a feeding ground for Adélie penguins on the Mawson coast in eastern ... these foraging ranges for the purposes of small-scale management units may need to be examined in three ...

   Meeting Document : WG-EMM-02/41 : Автор(ы): I.R. Ball, A.J. Constable, J. Clarke and L. Emmerson (Australia)

10. Short note: time series of Drake Passage Oscillation Index (DPOI) from 1952 to 1988

    Abstract:  Naganobu et al. (1999) had assessed variability in krill recruitment and density with ... differences across the Drake Passage, sea ice cover and chlorophyll-a in the Antarctic Peninsula area during ... westerlies were especially regarded as a key environmental index. Fluctuations in the westerlies across the ... variability. High DPOI periods, not less than 16 hPa, were mostly observed in the period before 1964 and only ...

    Meeting Document : WG-EMM-02/44 : Автор(ы): M. Naganobu and K. Kutsuwada (Japan)

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