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1. Effects of different harvesting strategies on the stock of Antarctic icefish Champsocephalus gunnari around South Georgia

   harvesting alternative. In the absence of regular recruit surveys constant fishing at F0.1 is most likely to ... Abstract:  The effects of a number of harvesting strategies on the Antarctic icefish ... years after a good recruitment,- pulse fishing at an interval of 3 years with no fishing in between;- a ... shift in partial recruitment values due to changes in net selectivity. For the projections recruitment ...

   Meeting Document : SC-CAMLR-VIII/BG/47 : Author(s): Delegation of Federal Republic of Germany

2. Hydroacoustic survey of elephant island and the vicinity of King George Island, austral summer 1989

   years survey. The total biomass in the vicinity of Elephant Island estimated from 200 kHz survey data ... Abstract:  The hydroacoustic survey found a high krill abundance in the Elephant Island area (a ... “superswarm" not unlike 1981) and a very low abundance in the King George Island area compared to last ... was 940 k tons with only 34 k tons in the King George Island/Bransfield Strait. The survey results ...

   Meeting Document : SC-CAMLR-VIII/BG/33 : Author(s): Delegation of USA

3. Homogeneity of body length composition of Antarctic krill within the commercial haul

   Abstract:  The homogeneity of krill length composition in commercial trawl catches (hauls) was ... difference (P>0.05) in 53 out of 60 hauls. Therefore it is concluded that sampling from one part of the ... haul provides a reasonable estimate of length composition in the entire haul as a whole. In contrast to ... investigated by comparing length compositions from different parts of the same haul. There was no significant ...

   Meeting Document : WG-KRILL-90/11 Rev1 : Author(s): T. Ichii (Japan)

4. Manual: estimating the age of Patagonian toothfish (Dissostichus eleginoides) using transverse cross-sections of otoliths

   noted in the growth parameters being used for assessments of toothfish. To assess whether these ... nations participated in a Workshop in 2001 at Old Dominion Unversity with the primary aim of seeking ... conformity in estimating age of Patagonian toothfish (Dissostichus eleginoides). Arising from the workshop ... in reading otoliths; quality assurance and control; and the use of reference sets to monitor ...

   Meeting Document : WG-FSA-10/15 : Author(s): K. Underkoffler, N. Ramanna and J. Ashford (USA)

5. Acoustic visualization of the three-dimensional prey field of foraging chinstrap penguins

   Abstract:  Predator-prey interactions play an important role in determining the dynamics of ... the surface distribution of penguins and krill distributed in the 30- 40 m depth layer; no spatial ... ecosystems. Recently, concerns have arisen due to the commercial harvesting of Euphausia superba, the ... Antarctic krill, a keystone prey species in the Southern Ocean food web. It has been difficult to evaluate ...

   Meeting Document : WG-Joint-94/12 : Author(s): J.E. Zamon, C.H. Greene, E. Meir, D.A. Demer, R.P. Hewitt and S. Sexton (USA)

6. Population variability of biological parameters of penguins along the Antarctic Peninsula

   contribute to the general knowledge of penguin biological variation, to generate a data baseline in the ... parameters and factors affecting penguins biology along the Antarctic Peninsula is presented in order to ... context of environmental changes such as climate change and human activity and to support the proposal of ... the Western Antarctic Peninsula protected marine area. The results show higher levels of immunological ...

   Meeting Document : WG-EMM-2019/72 : Author(s): A. Barbosa

7. Submission of papers to meetings of the Scientific Committee

   processed and made available to Members on the CCAMLR website in advance of the meeting. 4. Papers should be ... Submission of papers to meetings of the Scientific Committee Submissions are due by ... 22 September. 1. Contracting Parties are invited to submit for consideration at meetings of the ... Scientific Committee, working papers [1] and background papers related to specific items of the Scientific ...

   Page : Site Section: Meetings

8. Can the chemistry of otolith nuclei determine population structure of Patagonian toothfish Dissostichus eleginoides?

   to South Georgia in the Southern Ocean. Concentrations of 55Mn, 88Sr, and 137Ba, ratioed to 42Ca ... , showed a sharp population boundary in the vicinity of the Polar Front, between South Georgia and the ... Abstract:  Otolith nucleus chemistry resolved the population structure of Patagonian toothfish ... between populations even in fully marine environments. Moreover, the nucleus chemistry indicated ...

   Meeting Document : WG-FSA-06/P2 : Author(s): Ashford, J.R., A.I. Arkhipkin and C.M. Jones

9. BOOK REVIEW: WHALES OF THE SOUTHERN HEMISPHERE: BIOLOGY, WHALING, AND PERSPECTIVES OF POPULATION RECOVERY by Y. A. Mikhalev

   Abstract:  Examined the distribution and migration patterns of whales in the Southern Hemisphere ... . The presence of a new species of killer whale in the Antarctic, Orcinus nana, is shown. The impacts of ... extermination of whales in the Antarctic ecosystem are examined. Regions are defined which could be used as ... THE SOUTHERN HEMISPHERE: BIOLOGY, WHALING, AND PERSPECTIVES OF POPULATION RECOVERY by Y. A. Mikhalev ...

   Meeting Document : WG-FSA-09/11 : Author(s): Delegation of Ukraine

10. A history of the acquisition and analysis of sea-ice data by CCAMLR

    the early years of development of the ecosystem monitoring program sea ice data, especially derived ... from satellite images, was recognised as an important source of information for interpreting changes in ... monitored predator parameters. Standard methods for collection of environmental parameters were agreed in ... source of data, digital images produced by the US National Snow and Ice Data Centre, with a relatively ...

    Meeting Document : WG-EMM-96/15 : Author(s): Agnew, D.J.

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