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1. Low genetic diversity and temporal stability in the Antarctic toothfish (Dissostichus mawsoni) from near-continental seas of Antarctica

   locations, or between samples collected in consecutive years, were observed. These results, based on ... data on the DNA analysis of recent (2011–2013) samplings of Antarctic toothfish (Dissostichus mawsoni ... allelic frequencies for several loci compared to previously published data highlight the need for further ... 54.1 cm) move to the bottom, become benthic and spend a few years on the continen- tal shelf at depths ... locations, or between samples collected in consecutive years, were observed. These results, based on ... isolated population of D. mawsoni seems very unlikely given the long (almost two years) pelagic stage ... samples for genetic analysis were fixed in 96% ethanol on board the fishery vessels. Details of the ...

   Science Journal Paper : CCAMLR Science, Volume 21 (CCAMLR Science, Volume 21) : 1–9 : Autor(es): Mugue, N.S., A.F. Petrov, D.A. Zelenina, I.I. Gordeev and A.A. Sergeev

2. Composition and characteristics of ichthyofauna in pelagic waters of South Georgia (Subarea 48.3)

   distribution based on survey data for the years 1986 to 1990 and krill distribution based on commercial catch ... and Shag Rocks over several years. This paper, together with summaries of results of bottom ... BMRT Anchar (1990) over one to two days. Each series consisted of five to seven tows of 10 to 20 ... . The trawl was hauled on board after towing in each of these depth layers. Two to three series of ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 125–164 : Autor(es): Frolkina, G.A., M.P. Konstantinova and I.A Trunov

3. SG-ASAM-2019

   -based method for CCAMLR Division 58.4.1 in 2018/19 using data obtained by Japanese survey vessel Kaiyo ... 48.1) using two frequencies with 38 and 120 kHz S. Choi, S. Chung, I. Han, W. Oh, D. An and K. Lee SG ... Full Name:  Subgroup on Acoustic Survey and Analysis Methods Location:  Bergen, Norway Date(s ... ):  Monday, 26 August 2019 to Friday, 30 August 2019 Chair / Convener:  Dr Xianyong Zhao (China) Support:  Dr ...

   Meeting

4. SC-CAMLR-SSP/8

   to 3 877) and an unrepresentative coverage of the shelf from year to year. However, two pairs of ... .......................................................... 177 SOME COMMENTS ON THE PROCEDURE FOR TESTING ESTIMATORS OF KRILL ABUNDANCE WHICH UTILISE SURVEY ... almost no catches at all. The information obtained on vertical migrations of C. gunnari may be used for ... clarification of survey techniques used in stock assessment. For a number of years scientists of AtlantNIRO ...

   Document : Site Section: Publications

5. Movement and growth of tagged Dissostichus eleginoides around South Georgia and Shag Rocks (Subarea 48.3)

   experimental pot fishing in 2000 and 2001, and have been at liberty from one to two years. Four fish were ... at 42°S after about one year at liberty from some opportunistic tagging carried out on a toothfish ... strontium chloride or oxytetracycline that places a permanent chemical marker on the otolith indicating the ... tagged and recaptured from the same longline vessel in 2002 after up to two months at liberty. The fish ... released during experimental pot fi shing in 2000 and 2001, and have been at liberty from one to two years ... ‘T-bar’ tags indicating a reward for the return of the tag on recapture as well as address, fax and ... an approximate spring balance measurement that does not provide useful data for growth comparisons ... liberty for each fi sh. Von Bertalanffy growth parameters used are based on: (i) toothfi sh caught by ...

   Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 101–111 : Autor(es): Marlow, T.R., D.J. Agnew, M.G. Purves and I. Everson

6. e-sc-xxviii-a4.pdf

   ... Working Group thanked him for all of his contributions to the Working Group and to CCAMLR over many years ... structure WG-EMM’s agenda, and highlighted key requirements for advice on: • scientific observation of ... rationale for existing escapement level of 0.5 for Dissostichus spp., and determine if 0.5 is an ... region; 149 (ii) the CASAL assessment model provided an estimate of abundance for the entire Ross application/pdf attached to:WG-EMM-09

   Meeting Report : WG-EMM-09

7. Assessing the power to detect systematic change in Adélie penguin foraging trip duration

   test for change based on the difference between pre- and post-impact means generally performed better ... variability among years was greater in the guard stage. Estimates of variability were used to explore the ... or trips sampled diminished rapidly when sample sizes were greater than 30 penguins and three trips ... per penguin. Statistics were developed to test for three forms of change (step, trend and ramp). A ... that mean foraging trip duration is constant for years i = 1,2,…,a prior to an impact (i.e. Mi = M0 ... of data on the logarithmic scale, in the mean for years a+1 to a+b minus the mean for years 1 to a ... regression relation based on the logarithms of the mean trip durations for the years, as log(Mi) = α + βxi ... on a variable representing years. The statistic 2ˆsβ is an estimator of 2 2 2 ˆ / ( ) a b y ii a ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 201–215 : Autor(es): Southwell, C., J. Clarke and L.M. Emmerson

8. WG-EMM-17

   dedicated krill survey for CCAMLR Division 58.4.1 during 2018/19 season by the Japanese survey vessel, Kaiyo ... Australia and Norway on behalf of the Climate Change Intersessional Correspondence Group WG-EMM-17/20 ... Proposal for an acoustic krill biomass survey in CCAMLR Subarea 48.1 in relation to the hydrological ... . Laptikhovsky and J. Clark WS-SISO-17/11 Observations on the continuous trawl fishing system for krill G. Robson ...

   Meeting

9. WG-FSA-08

   documents Doc Number Title WG-FSA-08/01 Agenda for the Working Group on Fish Stock Assessment (Hobart ... . Anderson, K. Schnabel, D. Bowden and M. Kelly (New Zealand) WG-FSA-08/20 UPDATED BIOLOGICAL PARAMETERS FOR ... ): LIMITS ON THE EXPLORATORY FISHERY FOR DISSOSTICHUS SPP. IN STATISTICAL SUBAREA 48.6 IN THE 2008/09 SEASON ... United Kingdom WG-FSA-08/46 Proposal for an extension to the mark recapture experiment to estimate ...

   Meeting

10. WG-SAM-14

    58.4.1 and 58.4.2 Delegation of Spain WG-SAM-14/10 Progress report on the research fishery for ... South African work plan for 2014/15 for the joint Japan/South Africa research on Dissostichus spp. in ... Patagonian toothfish in research block C of Division 58.4.4, Ob & Lena Banks for the years 1989/1990 to ... Union WG-SAM-14/20 Integrated models for Antarctic krill (Euphausia superba) using survey data from 1981 ...

    Meeting

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