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1. Has climate change promoted genetic fragmentation in the ice-dependent fish Pleuragramma antarcticum?

   and was unable to discriminate between hypotheses of panmixia, with occasional fluctuations of gene ... scale from samples collected off the tip of the AP, with a signal of increased fragmentation over time ... shelf, the increase of population fragmentation with time, and the inability to capture P. antarcticum ... in the central region of the western AP for two consecutive years, all suggest that this sea-ice ...

   Meeting Document : WG-FSA-13/67 : Autor(es): C. Agostini, T. Patarnello (Italy), J. Ashford, J. Torres (USA) and L. Zane (Italy)

2. On the consequences of differentiating between adult and sub-adult survival rates in the krill-predators model

   split of the overall density dependence effect between the first year and following sub-adult years of ... adults and sub-adults, with different survival rates for these two groups. Broadly speaking, the sub ... . This solution brings with it new problems, however, in that two further parameters need to be specified ... is unable to achieve compatibility with survival rate data for the Antarctic fur seal coupled to an ...

   Meeting Document : WG-EMM-95/39 : Autor(es): Butterworth, D.S., Thomson, R.B.

3. Time series of Antarctic krill estimates around the South Shetland Islands from 2013 to 2019

   Subarea 48.1 is submitted with accompanying description of the acoustic survey and data analysis ... data were collected with ship-mounted Simrad EK60 scientific echosounder system. A swarm-based Echoview ... EV template was used for echo-integration, and the areal krill density with coefficient of variance ... increasing trend during the last 6 years, increased from 20.22 g m-2 in December 2013 to 70.13 g m-2 in ...

   Meeting Document : SG-ASAM-2019/04 Rev. 1 : Autor(es): X. Yu, X. Wang, X. Zhao, J. Zhang, G. Fan, Y. Ying and J. Zhu

4. Vertical migrations of mackerel icefish (Champsocephalus gunnari) on the South Georgia shelf

   commercial concentrations of C. gunnari in years of high abundance of the species (1982/83, 1983/84 and 1986 ... of fish feeding activity was also observed at night. Fishing during this period with bottom trawls ... may be used for clarification of survey techniques used in stock assessment. For a number of years ... years of high abundance of the species (1982/83, 1983/84 and 1986/87). Catch-per-hour of fishing was ... observed at night. Fishing during this period with bottom trawls had yielded almost no catches at all. The ... used in stock assessment. For a number of years scientists of AtlantNIRO have been conducting trawl ... , CIS 3 4 du Sud presentent de nettes tendances. Pendant la journee, les poissons se ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 3–14 : Autor(es): Frolkina, J.A. and V.I. Shlibanov

5. Register of non-CEMP time-series data

   Abstract:  The Secretariat was tasked with maintaining a register of the wide range of non-CEMP ... -XXII, Annex 4, paragraph 2.10). Non-CEMP data of interest are listed in Tables 1-3. Author(s ...

   Meeting Document : WG-EMM-04/9 : Autor(es): Secretariat

6. SPATIAL PROTECTION AND MANAGEMENT OF ANTARCTIC MARINE BIODIVERSITY

   Abstract:  This paper is based on a presentation given at the Joint CEP/SC-CAMLR Workshop (3-4 ... information is now adequate to make progress, and that practical means to cooperate with the CEP/ATCM are ... full range of tools available under CCAMLR and the ATCM. Cooperate as far as possible with the CEP to ... ensure that such measures are implemented on a scientific basis, and with the aim of achieving harmonised ...

   Meeting Document : WG-EMM-09/09 : Autor(es): S. Grant (United Kingdom)

7. PROPOSAL FOR AN EXTENSION TO THE MARK–RECAPTURE EXPERIMENT TO ESTIMATE TOOTHFISH POPULATION SIZE IN THE SOUTH OF SUBAREA 48.4

   fishing season with the aims of providing the data required for assessments of the population structure ... tagged D. mawsoni were recaptured in the first season. 3. Macrourids and rajids dominated finfish bycatch ... with discard weights at 19% and 0.8% of toothfish catches, respectively. These rates are similar to ... experiment in the South of Subarea 48.4 in 2009/10 with a combined catch limit of 75 tonnes for Dissostichus ...

   Meeting Document : WG-FSA-09/18 : Autor(es): J. Roberts and D.J. Agnew (United Kingdom)

8. DISTRIBUTION OF KRILL AT THRESHOLD DENSITIES SUITABLE FOR FISHING IN THE ATLANTIC SECTOR: ANALYSIS OF THE 2000 SYNOPTIC SURVEY DATA

   shelf SSMUs in terms of the frequency of 1nm integration units with krill densities above and below a ... integration units where the threshold density for fishing was set at 100 gm2 following Kasatkina (2003). 3 ... . This was also true with other threshold values in the range 25 to 200 gm2 although the difference was ... with those that affect the behaviour and performance of the fishery. Author(s):  S. Hill and D. Agnew ...

   Meeting Document : WG-EMM-08/16 : Autor(es): S. Hill and D. Agnew (United Kingdom)

9. OTOLITH CHEMISTRY REFLECTS FRONTAL SYSTEMS IN THE ANTARCTIC CIRCUMPOLAR CURRENT

   Bank; 2) Mn/Ca enrichment associated with South America; 3) Sr/Ca linked to the presence of Circumpolar ... eddies may account for affinities with neighbouring sampling areas, bringing water from the Subantarctic ... with depth and improved cross-validation by 14%, giving 85% classification rates to South American and ...

   Meeting Document : WG-FSA-08/P04 - Abstract : Autor(es): J.R. Ashford, A.I. Arkhipkin and C.M. Jones

10. La pêche à la légine australe (Dissostichus eleginoides) à Kerguelen (secteur Indien de l'océan Austral)

    Islands zone for 20 years, firstly with trawlers and more recently with longliners. It is the oldest ...

    Meeting Document : WG-FSA-05/27 : Autor(es): C. Lord, G. Duhamel et P. Pruvost (France)

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