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1. Monitoring and managing the effects of environmental change on toothfish assessments

   consideration of changes in biological parameters and work to understand the impact of these changes on yield ... that methods be developed that can be used to evaluate the importance of observed changes in the ... Abstract:  This paper presents a ‘first-step’ proposal for CCAMLR to consider the effects of ... environmental conditions that are maintained over a number of years, which includes the effects of global ...

   Meeting Document : WG-SAM-18/22 : Autor(es): M. Pinkerton, A. Dunn, S. Mormede and S. Parker

2. Green krill, the indicator of micro- and nano-size phytoplankton availability to krill

   -, nano-, and micro-size fractions) during commercial krill operations in the waters north of the South ... the importance of micro- and nano-size phytoplanktons in terms of food source for the Antarctic krill ... Shetland Islands from late December, 1991 to mid-February, 1992. The proportion of green krill had ... in the natural environment. Author(s):  S. Kawaguchi, T. Ichii and M. Naganobu (Japan) Title:  Green ...

   Meeting Document : WG-EMM-98/29 : Autor(es): S. Kawaguchi, T. Ichii and M. Naganobu (Japan)

3. Diet and prey consumption of Antarctic petrels Thalassoica antarctica at Svarthamaren, Dronning Maud Land and at sea outside the colony

   Abstract:  The diet of the Antarctic petrel Thalassoica antarctica was studied during two years at ... Svarthamaren, an inland colony situated in Dronning Maud Land, Antarctica and in the pack-ice outside ... %), followed by fish (29%) and squid (3%), whereas individuals collected in the pack ice took mostly fish (95 ... %), followed by Crustaceans (5%). The prey composition and length found in this study is comparable to what is ...

   Meeting Document : WG-EMM-97/58 : Autor(es): Røv, N., Lorentsen, S., Klages, N.

4. Distribution of salps near the South Shetland Islands during austral summer, 1990/1991 with special reference to krill distribution

   potential reasons for the relatively low abundance of E. superba at the stations where salps were present in ... 556 mgC•m-3 and was greatest at a station in the Bransfield Strait in late December 1990. Salp biomass ... found, and the former was dominant numerically. Spatial distribution and generation composition of these ... so the January-February period. While E. superba was found mainly in the coastal area which showed ...

   Meeting Document : WG-EMM-95/54 : Autor(es): Terazaki, M., Ichii, T., Kawaguchi, K., Nishikawa, J., Ishii, H., Naganobu, M.

5. Estimating density and biomass of Antarctic krill around South Sheltland Islands using the 2-dB difference method

   Abstract:  The distribution and abundance of krill aggregation inhabiting the Subarea 48.1, which ... includes the Elephant Island peripheries and the west and south of the South Shetland Island, were ... 2016 and 38 and 200 kHz from March 6 to 14 in 2017. Krill were collected by the commercial middle trawl ... biomass of Antarctic krill around South Sheltland Islands using the 2-dB difference method Microsoft Word ...

   Meeting Document : WG-EMM-17/08 : Autor(es): S.-G. Choi, K. Lee and D. An

6. Exploratory analysis of acoustic data from the Ross Sea

   . All line recordings were in water over 1000 m deep. Because of the spreading of the acoustic beam, the ... the echogram and the catch of rattails in the accompanying longline set. Bottom-referenced layers were ... Abstract:  This report presents results from a pilot study to determine the feasibility of ... conducting acoustic surveys for toothfish and rattails in the Ross Sea. Acoustic data were collected using a ...

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

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

   otoliths could not be classified as easy to read, the clarity of their zones is quite similar in the South ... readers in the interpretation of these structures, and also difficulties reconciling the counts derived ... Abstract:  To examine consistency among laboratories in age estimation of Patagonian toothfish and ... the effects on readings of different otolith processing methods, scales and otoliths were taken from ...

   Meeting Document : WG-FSA-04/45 : Autor(es): 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

   that changes in penguin foraging behaviour can be used to assess the impact of local fisheries on ... many species within the Antarctic. Despite extensive knowledge of the ecosystem that they occupy, there ... is still incomplete understanding of the links between species and the effect of environmental ... understand the interactions between penguins and krill to determine the indirect effect of krill fisheries on ...

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

9. Fisheries risks to the population viability of black petrel (Procellaria parkinsoni)

   spend an average of 1.2 y in the colony as pre-breeders, with only 3% skipping the pre-breeder phase. Of ... : periodic repeats of the transect based abundance estimation last done in 2005 (to determine whether the ... population. The mean age of first breeding for black petrel is estimated to be 6.7 y. Before this, new adults ... Abstract:  Data on the main population of black petrel (Procellaria parkinsoni), which breeds on ...

   Meeting Document : WG-SAM-10/P01 : Autor(es): R.I.C.C. Francis and E.A. Bell (New Zealand)

10. Analysis of krill catch data from continuous and conventional trawls by the Saga Sea and Atlantic Navigator

    Abstract:  In this paper we analyse data on the distribution of catches, the size of krill and ... bycatch of larval fish taken by the Saga Sea fishing with continuous trawls in 2006, and the Atlantic ... Navigator which fished in 2005 using both continuous trawling and conventional trawling. The sizes of krill ... are few data for comparison, the bycatches of larval/juvenile fish in the continuous trawl also appear ...

    Meeting Document : WG-FSA-06/57 : Autor(es): D.J. Agnew, A. Payne, J. Hooper and J. Roe (United Kingdom)

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