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1. A comparison of gear selectivity among three fishing gears for Antarctic krill with notes on the demographic patterns and productivity of Antarctic krill during summer 2014

   Abstract:  Three different trawls were used to sample Antarctic krill for the determination of ... largest range of krill (15mm to 60mm), while the ENGEL trawl captured the narrowest (27 to 61), and the ... number of tows should be considered when designing fishery based sampling to augment research surveys ... using fishing vessels if research gear cannot be accommodated. The patterns of krill length frequency ...

   Meeting Document : WG-EMM-14/37 : Автор(ы): C. Reiss (USA) and M. Espino Sanchez (Peru)

2. Update of ongoing work on age and growth of Antarctic toothfish (Dissostichus mawsoni) from Division 58.4.1 by Australia and Spain

   and 2017 respectively, in order to get data and biological samples which enable an assessment of ... Antarctic toothfish in this so called “data poor” area at the end of the whole experience. From the five ... , Japan, Republic of Korea, France and Spain. Spain and Australia are working on the ageing and growth ... estimates of Antarctic toothfish from 2015 and 2017 respectively. Previous work has been presented to the ...

   Meeting Document : WG-FSA-18/54 Rev. 1 : Автор(ы): L.J. López-Abellán, M.T.G. Santamaría, R. Sarralde, S. Barreiro, B. Farmer and T. Barnes

3. Update of the Antarctic toothfish stock assessment for the Ross Sea by means of the TSVPA separable cohort model

   Abstract:  An updated Antarctic toothfish (in the Ross Sea) stock assessment was done by means of ... ). All the three sources of information taken separately (and together) indicate historical increase in ... stock biomass, perhaps, due to development (broadening) of the fishery. The results show that, according ... to the Constable & de la Mare (1996) decision rules, annual catches of 23 000 tonnes per year are ...

   Meeting Document : WG-SAM-07/9 : Автор(ы): D. Vasilyev, K. Shust, V. Babayan and T. Bulgakova (Russia)

4. An evaluation of the performance of the CCAMLR mackerel icefish (Champsocephalus gunnari) harvest control rule as applied within CCAMLR Subarea 48.3

   Abstract:  A retrospective analysis and sensitivity evaluation of the performance of the CCAMLR ... review indicates that the approach is providing consistent, precautionary estimates of future biomass and ... levels of exploitation that are considered precautionary and would conform to the ecosystem approach by ... Kingdom) Title:  An evaluation of the performance of the CCAMLR mackerel icefish (Champsocephalus gunnari ...

   Meeting Document : WG-SAM-13/31 Rev. 1 : Автор(ы): C. Darby, T. Earl and H. Peat (United Kingdom)

5. Stock assessment of mackerel icefish (Champsocephalus gunnari) in the vicinity of Kerguelen Islands (Division 58.5.1) after the 2013 POKER Biomass survey

   collect information of all the fish species including the mackerel icefish, Champsocephalus gunnari. Data ... from this random stratified trawl survey, added to the previous results of 2006 and 2010, was used for ... a short term assessment of C. gunnari on Kerguelen EEZ. The standard CCAMLR methods were used to ... provide potential yields, a catch limit of 840 t is recommended for 2014 and 580 t for 2015.   Author(s ...

   Meeting Document : WG-FSA-14/11 : Автор(ы): R. Sinegre and G. Duhamel (France)

6. Acoustic assessment of potential bias in abundance estimates of mackerel icefish from trawl surveys

   surveys may underestimate the biomass of mackerel icefish. This paper addresses this question by comparing ... trawl surveys are the most reliable and appropriate method to survey stocks of mackerel icefish ... that a significant proportion of the stock occurred in midwater. If this is the case, then bottom trawl ... acoustic signal are discussed. The vertical distribution of mackerel icefish in relation to the diel light ...

   Meeting Document : WAMI-01/05 : Автор(ы): E. van Wijk, T. Pauly, A. Constable and R. Williams (Australia)

7. Possible causes of variation of Champsocephalus gunnari vertical and horizontal distribution

   inaccessible for fishing. Conduction of census surveys during this period is pointless. In spring, during ... beginning of this period (September). Data on stock assessment collected during accounting survey are good ... enough, however, this season is far from suitable for accounting surveys because of severe ice conditions ... . It is not recommended to make stock assessment of fish yielded with bottom fishing gear, as in this ...

   Meeting Document : WAMI-01/08 : Автор(ы): Zh.A. Frolkina and S.M. Kasatkina (Russia)

8. Notes on the availability of three important finfish species in offshore waters of the lower South Shetland Islands (Subarea 48.1)

   Abstract:  In 1998, an offshore scientific trawl survey of bottom fish sampling within the 50-500 ... m isobath of the lower South Shetlands Islands (King George Island to Low Island) was conducted. In ... addition, the abundance of two commercially important Antarctic fish, Notothenia rossii and Gobionotothen ... can be increased. However, the value of these data as a combined singular data set for one year of ...

   Meeting Document : WG-FSA-99/31 : Автор(ы): C.D. Jones (USA), E.R. Barrera-Oro, E.R. Marschoff and R.J. Casaux (Argentina)

9. COMPARISON OF THE BIOMASS OF ANTARCTIC KRILL, (EUPHAUSIA SUPERBA), AROUND THE SOUTH SHETLAND AND SOUTH ORKNEY ISLANDS IN THREE YEARS: 1999, 2000 AND 2008

   Abstract:  Using a combination of techniques, we examine data from three cruises in 1999, 2000 and ... 2008 to calculate the biomass and demographic characteristics of Antarctic krill (Euphausia superba ... distributions of krill between Elephant Island and the South Orkney Islands were similar. The similarity in ... length frequency distributions suggest that acoustic data collected as part of US AMLR finfish surveys ...

   Meeting Document : WG-EMM-08/26 : Автор(ы): C. Reiss and A. Cossio (USA)

10. An initial analysis of data provided from the deployment of scientific observers in the krill fishery

    Abstract:  An analysis of the observer data provided from the krill fishery was undertaken using a ... range of  complementary methods of data quality control and variance investigation. A sample pooling ... approach analysis on the other hand revealed the distribution of variance in krill length at different ... variability in  krill length due to seasons, months and areas and this allowed estimates of variance ...

    Meeting Document : WG-EMM-12/60 : Автор(ы): S. Thanassekos (CCAMLR Secretariat), S. Candy (Australia), E. Appleyard (CCAMLR Secretariat), S. Kawaguchi (Australia) and K. Reid (CCAMLR Secretariat)

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