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1. Modeling the growth dynamics of Antarctic krill

   processes included in the model were ingestion, assimilation efficiency, a baseline respiration. respiratory ... resulted in the transfer of individuals to the next highest size class (growth), whereas negative net ... production resulted in transfer to the next smallest size class (shrinkage). Size-dependent parameterizations ... in the current literature. The model was forced with an environmental time series of food (pelagic ...

   Meeting Document : WG-EMM-96/68 : Author(s): Lascara, C.M., Hofmann, E.E.

2. An evaluation of reduced target strength estimates reported for krill (Euphausia superba)

   derived from them. Their results can be shown to have significant weaknesses in both data used and ... assumptions made in calculating target strength. Whether the results of these papers are valid is critically ... in the Antarctic. The weaknesses in their data stem from the methods used to calculate target ... strength from the data and fall into three categories: 1) Errors in measurements and assumptions; 2 ...

   Meeting Document : WG-KRILL-90/13 : Author(s): M.C. Macaulay (USA)

3. Hydroacoustic surveys of the distribution and abundance of krill: Prydz Bay region – FIBEX, ADBEX II and SIBEX II

   Dana, were undertaken in the Prydz Bay region, Antarctica. Three surveys were carried out south of 60°S ... of error in the echointegration technique are presented. Quantitative data are presented on the ... abundance (biomass) of krill in the Prydz Bay region as a whole and the weight density of krill along each ... cruise track is presented in graphical form. These data demonstrate a patchy density distribution with ...

   Meeting Document : SC-CAMLR-VII/BG/40 : Author(s): Delegation of Australia

4. Progress towards a trophic model of the ecosystem of the Ross Sea, Antarctica, for investigating effects of the Antarctic toothfish fishery

   Ross Sea is a low primary production system, with production being localised in space and time. In the ... considered a work in progress. Overall, the model is close to balance, with total exports of organic carbon ... balanced, due in part to limited information on diet fractions of Ross Sea organisms. Methods to adjust ... considerable predation pressure on some species of demersal fish. The significance of toothfish in the diets of ...

   Meeting Document : WG-EMM-06/14 : Author(s): M. Pinkerton, S. Hanchet and J. Bradford-Grieve (New Zealand)

5. Developing integrated assessments for Dissostichus eleginoides based on the CCAMLR precautionary approach

   Abstract:  This paper describes a possible method for implementing the precautionary approach in ... Dissostichus eleginoides in Division 58.5.2. CASAL and GYM are key elements in the implementation described in ... this paper but the methodology is laid out in such a way that alternative software solutions could be ... used in either or both of their places. The framework for this procedure has four main components. The ...

   Meeting Document : WG-FSA-SAM-05/16 : Author(s): I. Ball and A.J. Constable (Australia)

6. Report to CCAMLR-XXIX on the implementation of the Agreement on the Conservation of Albatrosses and Petrels

   revealed that the most effective measures to reduce incidental take of seabirds in pelagic longline ... ;- setting at night; and- actively deterring birds from baited hooks by means of bird scaring lines, in ... combination with appropriate line weighting. The SBWG also reviewed progress in bycatch mitigation research ... take of seabirds in trawl fisheries is the effective management of offal discharge and fish discards ...

   Meeting Document : CCAMLR-XXIX/BG/18 : Author(s): ACAP Secretariat

7. UAV for monitoring environmental changes on King George Island (South Shetland Islands) Antarctica: preliminary study on wildlife disturbance

   Abstract:  The importance of Unmanned Aerial Vehicles (UAVs) in remote sensing is rapidly growing ... . However, knowledge about their potential impact on wildlife is scant, especially in the Antarctic, where ... they are a new tool used in ecological research and monitoring.    In this preliminary study we ... investigate potential effects of wildlife disturbance by UAVs. In austral summer 2014-2015 UAV overflights ...

   Meeting Document : WG-EMM-15/50 : Author(s): A. Kidawa, M. Korczak-Abshire, A. Zmarz, R. Storvold, M. Rodzewicz, K. Chwedorzewska, S-R. Karlsen and A. Znój (Poland)

8. Performance metrics to index the spatial coverage of mark-recapture data

   interpreting the biomass estimated from mark recapture data. In 2015, the Scientific Committee identified that ... measures of spatial overlap and potential bias in the development of tag-based biomass estimates are an ... measure of the potential bias in the biomass estimate calculated from non-homogenous spatial mark ... area, SSRUs 88.2H to illustrate its use. We found that the median tag spatial overlap statistic in 2012 ...

   Meeting Document : WG-SAM-16/13 : Author(s): C. Marsh, A. Dunn and S. Mormede

9. An update on the ageing of Antarctic toothfish, Dissostichus mawsoni, from East Antarctica and the Amundsen Sea

   and the other by thin sectioning, in order to assess the comparability of age estimates derived from ... vessel in Subarea 88.2 in the 2014-2015 season and in Division 58.4.1 in the 2015-2016 season, were aged ... available for use in the estimation of biological parameters and stock assessments of the respective ... sampling areas in East Antarctica and the Amundsen Sea. Author(s):  G. Nowara, B. Farmer, T. Barnes, P ...

   Meeting Document : WG-FSA-17/15 : Author(s): G. Nowara, B. Farmer, T. Barnes, P. Ziegler and D. Welsford

10. Results of study of the oogenesis characteristics of Antarctic toothfish (Dissostichus mawsoni Norman 1937) (Nototheniidae) from Subareas 88.1 and 88.2 (Ross Sea)

    mawsoni) reproductive system, caught in December-March, 2004-2005 by the longliner VOLNA in subareas 88.1 ... and 88.2 in the Ross Sea are presented. The morphological parameters, indices of gonads have been ... toothfish ovaries from the stages II to IV show a slow increase in oocyte diameter. It was shown that for ... % of total cell number. The oocytes in the ovaries of analyzed fish did not reach the maximum size ...

    Meeting Document : WG-FSA-07/49 : Author(s): S. V. Piyanova and A.F. Petrov (Russia)

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