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1. Unhappy feet: the reduction of Adélie and chinstrap penguin populations in the West Antarctic Peninsula/Scotia Sea

   reduction of the populations of Adélie (Pygoscelis adeliae) and chinstrap penguins (Pygoscelis antarctica ... chinstrap penguin populations have declined more than 50% during the last 30 years at study colonies in the ... . Trivelpiece et al. argue that the reduction of the populations of both species could be attributed to changes ... in the abundance of their main prey, Antarctic krill, which is affected by climate change. In this ...

   Meeting Document : CCAMLR-XXX/BG/21 : Autor(es): Submitted by ASOC

2. Latitudinal variation of demersal fish assemblages in the western Ross Sea

   February and March 2004 and 2008 in the Ross Sea, and around seamounts and islands just to the north at 66 ... °S. The distribution and abundance of 65 species collected in these surveys were examined to ... influence this. Species accumulation with sample frequency did not reach an asymptote, but the rate of new ... species was low suggesting data were adequate for describing the main components of the communities. Three ...

   Meeting Document : WG-FSA-10/P03 : Autor(es): M.R. Clark, M.R. Dunn, P.J. McMillan, M.H. Pinkerton, A. Stewart and S.M. Hanchet

3. Measures to avoid bias in abundance estimates of Dissostichus spp. based on tag-recapture data

   Abstract:  Using the simplest form of an abundance estimator using tag-recapture data, the Lincoln ... against this bias, or to account for their effects in assessment models. In nearly all cases, examples of ... at sea or model-based approaches are available from established toothfish tagging programs to reduce ... these biases. Estimates of post-capture mortality, tag detection rates and where it occurs, post-release ...

   Meeting Document : WG-SAM-12/23 : Autor(es): D.C. Welsford and P.E. Ziegler (Australia)

4. Progress report of the CEMP Special Fund overwinter penguin tracking project

   Abstract:  We provide a brief update on the progress of our project “Tracking the overwinter ... habitat use of krill-dependent predators from Subarea 48.1”. The project was initiated with support from ... the CEMP Special Fund in 2015/16. With the assistance of the Secretariat, we purchased 150 ARGOS-based ... satellite transmitters and successfully deployed 130 instruments during the 2016/17 breeding season at sites ...

   Meeting Document : WG-EMM-17/07 : Autor(es): J. Hinke, G. Watters, M. Santos, M. Korczak-Abshire, G. Milinevsky and V. Lytvynov

5. Ideal survey patterns: an example of using a simulated world

   Abstract:  This paper considers a class of survey patterns for a toothfish long lining fishery ... criteria. The shot selection criteria can be either that locations of known good quality are preferentially ... selected or that locations are selected at random. The landscape and fishery are simulated in a spatially ... explicit Monte Carlo model and the use of such models to study these issues is considered along with their ...

   Meeting Document : WG-FSA-01/75 : Autor(es): I.R. Ball and A.J. Constable (Australia)

6. TOWARDS THE BALANCED STOCK ASSESSMENT OF ANTARCTIC TOOTHFISH IN THE ROSS SEA

   of features aiming at consistent assessment using real (that is usually noisy and containing outliers ... Abstract:  Last two years two different approaches were used for stock assessment of Antarctic ... toothfish in the Ross Sea. One of them, the CASAL model, (Dunn & Hanchet, 2007; Bull et al., 2007) is ... mostly based on likelihoods and potentially could insure proper mutual weighting of signals from all ...

   Meeting Document : WG-SAM-08/08 : Autor(es): D. Vasilyev and K. Shust (Russia)

7. Report of vulnerable marine ecosystems in South Georgia Islands (CCAMLR Subarea 48.3) through research dredge sampling

   Abstract:  In this contribution we report the presence of 6 vulnerable marine ecosystems (VME ... Institute of Fishery Research and Development (INIDEP) and the Argentine Antarctic Institute (IAA) during ... April-May of 2013. VMEs were established from the finding of high densities of indicator taxa through a ... the biomass and were primarily responsible of reaching the proposed threshold of 10kg/1200 m 2 but ...

   Meeting Document : WG-FSA-13/58 : Autor(es): E. Gaitán, L. Schejter, D. Giberto, M. Escolar and C. Bremec (Argentina)

8. Method of age determination for Antarctic toothfish (Dissostichus mawsoni)

   .  All in all 6009 specimens of toothfish were aged using the same above described method. Otoliths were ... collected by Russian observers aboard longline vessels at the Ross Sea during 2002-2007 seasons. We consider ... , A.F. Petrov and V.A. Bizikov (Russia) Title:  Method of age determination for Antarctic toothfish ...

   Meeting Document : WG-SAM-12/18 : Autor(es): E.N. Kyznetsova, A.F. Petrov and V.A. Bizikov (Russia)

9. The structure and spatial distribution of Antarctic krill aggregations from acoustic observation in the South Georgia area

   parts of South Georgia area. The boundary between two areas is located at about 37°30/ W. It is shown ... Abstract:  Results of acoustic surveys carried out in winter months of 2000 and 2002 demonstrate ... significant distinctions in spatial distribution patterns of krill in the northwestern and the northeastern ... that in winter months in the northwestern part where foraging areas of dependent predators are located ...

   Meeting Document : WG-EMM-04/66 Rev. 1 : Autor(es): S.M. Kasatkina (Russia)

10. Database of CCAMLR working documents

    database is subject to the rules for access and use of CCAMLR data. At the time of writing, a total of 3824 ... documents contain major contributions to the work of CCAMLR and provide an important record of the history ... of scientific, political and administrative developments. While readily accessible within the ... examine the feasibility of creating a database of CCAMLR working documents that could be indexed by ...

    Meeting Document : WG-EMM-02/8 : Autor(es): Secretariat

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