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1. 1989/90 stock status and TAC assessment for Champsocephalus gunnari in Subarea 48.3 (South Georgia)

   Paper Title:  1989/90 stock status and TAC assessment for Champsocephalus gunnari in Subarea 48.3 ... (South Georgia) Abstract / Description:  The 1989/90 stock status and TAC assessment for Champsocephalus ... gunnari in South Georgia Subarea (48.3) has been made using the biostatistic material for 1982/83 to 1987 ... ) using standardized fishing effort. For the beginning of the 1989/90 fishing season, the stock was ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 15–27 : Автор(ы): Frolkina, Zh.A. and P. Gasyukov

2. Status of krill target strength

   on both animal size and transmit frequency, notwithstanding admitted shortcomings. Some recent single ... -animal measurements of target strength for live euphausiids and euphausiid-related species, made under ... recommendations are made for future, improved determinations of krill target strength. Based on the comparisons ... Paper Title:  Status of krill target strength Abstract / Description:  Empirical estimates for the ... kHz. The difference in target strength at the two frequencies is the same for the measurements on ... assuming specific sets of physical and orientational parameters, for which there is an empirical basis ... . The theoretical estimates show a non-monotonic dependence of target strength on both animal size and ... for future, improved determinations of krill target strength. Based on the comparisons, general ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 101–126 : Автор(ы): Foote, K.G., D. Chu and T.K. Stanton

3. Archival and satellite-linked data recorders

   provides an overview of currently-available data recorders for use in research on marine animals. These ... recorders are deployed on freely swimming animals and gather data on aspects of an animal’'s diving ... behaviour. The records can be recovered in one of two ways: the data recorder must either be recovered ... data recorders for use in research on marine animals. These recorders are deployed on freely swimming ... animals and gather data on aspects of an animal's diving behaviour. The records can be recovered in one ... animal of interest and subsequently recovered together with the stored data, and Satellite-linked ... Recorders, wherein the instrument is attached to an animal and data recovery and/or geolocation are ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 475-493 : Автор(ы): Hill, R.D.

4. Target strengths of Antarctic krill (Euphausia superba)

   crustaceans convinced the authors of the need to perform all measurements on the animal of interest, E ... Stromness on South Georgia. The site was protected from the open sea by an island blocking most of the ... gale force on roughly one out of two days, and hurricane force about once a fortnight. Depending on ... of the pens provided a source of food for the krill, which were frequently observed to be grazing on ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 265–279 : Автор(ы): Everson, I., D.G. Bone, J.L. Watkins and K.G. Foote

5. Antarctic krill and ecosystem management – from Seattle to Siena

   (2002 – this volume), with the three papers documenting developments during CCAMLR’s first 20 years of ... / Description:  This paper outlines CCAMLR’s development of a management approach for the Antarctic krill ... to be consistent with the objectives of the CAMLR Convention, particularly its Article II. Emphasis ... the Working Group on Krill (WG-Krill). Particular prominence is also attached to the modelling ... sought an intermediate position between these two extremes to account for shorter-term interests of ... exploitation, over a 20-year period of harvesting, should be equal to 10%’. This approach required an ... the three papers documenting developments during CCAMLR’s fi rst 20 years of existence. Résumé Il ... 1984 to advise its Scientifi c Committee (SC-CAMLR) on potential catch levels for harvested species ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 175–212 : Автор(ы): Miller, D.G.M

6. Precautionary spatial protection to facilitate the scientific study of habitats and communities under ice shelves in the context of recent, rapid, regional climate change

   existing ice shelves in Subareas 88.3, 48.1 and 48.5 should be preserved and protected for scientific study ... collapse in the future. Designation of areas under ice shelves as areas for scientific study would fulfil ... constructive comments and to Alex Rogers, Stefan Hain, Dave Barnes and Paul Holland for helpful advice on an ... Larsen B followed a series of warm summers on the Antarctic Peninsula, which culminated in an ... ., 2009). Precautionary protection for marine areas under ice shelves Based on Recommendation 26 of the ... by CCAMLR. For example, the area of the Wilkins ice shelf in 2010 was 13 432 km2 (based on the SCAR ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 139–151 : Автор(ы): Trathan, P.N., S.M. Grant, V. Siegel and K.-H. Kock

7. Natural mortality rate in the mackerel icefish (Champsocephalus gunnari) around South Georgia

   South Georgia Abstract / Description:  Information on natural mortality rates of the mackerel icefish ... provide an estimate that is unaffected by confounding effects mainly due to recruitment variation, but ... relatively easily from data on age composition, but it is generally difficult to divide this into its two ... information on the analyses undertaken. Although mentioned in the WG-FSA report, no discussion is reported ... (1955) relate to a single haul carried out in Cumberland Bay, South Georgia, on 5 April 1951. An age ... impossible. Initial analyses for this study were undertaken using all of the above methods. In an ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 245–257 : Автор(ы): Everson, I

8. Consideration of major issues in ecosystem monitoring and management

   Ocean resources and highlights the need for information on harvested and dependent species, their ... bringing these various components together as an ecosystem approach to management is discussed. File ... / Description:  This paper outlines the requirements of an ecosystem approach to the management of Southern ... interactions and the manner in which their populations vary naturally. Large-scale interactions are catered for ... recruitment is randomly distributed between 1 000 and 2 000. From year 20 onwards for two randomly selected ... 30–150 Calendar dateP ot en tia l r an ge fr om c ol on y Calendar date Foraging trip ... all the requirements of Article II will be met. This is for two reasons. Firstly, errors in ... 10000 15000 0 10 20 30 40 50 60 70 80 90 100 Year Po pu la tio n si ze Recruitment fails twice ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 213–232 : Автор(ы): Everson, I

9. Estimating optimal observer coverage in the Antarctic krill fishery

   on board for about 30% of that season. They have achieved a rate of krill sampling equivalent to 18 ... vessels sampled each season, 20% of total season hauls sampled for krill and an equivalent or higher ... is proposed that an efficient sampling proportion, at least for South Georgia, should be >50% of ... . The South Georgia data suggest that such strategies should be pursued for at least four years before ... been present on board for about 30% of that season. They have achieved a rate of krill sampling ... , should be >50% of vessels sampled each season, 20% of total season hauls sampled for krill and an ... hauls set over the entire season by vessels which had an observer on board for some part of that ... H o 20 03 21 2 12 4 58 13 8 11 1 D on gs an H o 20 03 51 0 36 ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 139–154 : Автор(ы): Agnew, D.J., P. Grove, T. Peatman, R. Burn and C.T.T. Edwards

10. A first step towards modelling the krill–predator dynamics of the Antarctic ecosystem

    , together with suggested further areas for investigation. Amongst the key inferences of the study are that ... hypothesis of a krill surplus in the mid-20th century is described, and the information on population and ... population trends without the need for recourse to environmental change hypotheses. A model is developed ... including krill, four baleen whale (blue, fin, humpback and minke) and two seal (Antarctic fur and crabeater ... results and the assumptions on which they are based is discussed, together with suggested further areas ... – crabeater seals seemingly play an important role and constitute a particular priority for improved ... ). Antarctic blue whales (Balaenoptera musculus) were harvested legally from 1904 for almost 60 years, fin ... the 1960s and 1970s. Based on historical catch information for blue whales and the fit of a logistic ...

    Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 217–277 : Автор(ы): Mori, M. and D.S. Butterworth

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