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  1. Preliminary analysis on the Kerguelen shelf icefish Champsocephalus gunnari stock from 1996/97 to 2001/02: no evidence in the recovery!

    season when 3889 tonnes of Champsocephalus gunnari were landed (see CCAMLR statistical bulletins) because ... yields were not enough high and the lucrative fishery of Patagonian toothfish Dissostichus eleginoides ... the fishery licences for trawlers have been linked to the obligation of conducting some experimental ... cruises in the traditionnal area of fish aggregations. Such cruises occur regularly with two trawlers from ...

    Meeting Document : WG-FSA-02/65 : Author(s): G. Duhamel and J. Claudet (France)

  2. Proposal for a general conservation measure to implement Marine Protected Areas in the CCAMLR Area by 2012, including management arrangements needed in conservation measures that will govern the MPAs in CCAMLR in the future

    measure to implement a Representative System of Antarctic Marine Protected Areas (RSAMPA) in CCAMLR by ... the future ’ (CCAMLR-XXIX/38 Rev. 1). This proposal is a revision of that presented to CCAMLR XXIX and ... provide the framework of common actions and requirements for the declaration, administration and ... management of CCAMLR marine protected areas (MPAs). Paragraph 1 of the draft general measure, which outlines ...

    Meeting Document : CCAMLR-XXX/30 : Author(s): Delegation of Australia

  3. Interactions between cetaceans and long-lining operations for Patagonian toothfish Dissostichus eleginoides around South Georgia

    twenty-five of these. During setting of lines neither mortalities nor interactions were recorded. All ... )were present during one haul, from which 11 intact fish were taken aboard, compared to a mean of 510 ... operations and may have been removing fish captured on the lines. Numbers of sperm whales varied with ... location; some whales with identifying masks were observed over successive lines to the south-west of South ...

    Meeting Document : WG-IMALF-94/16 : Author(s): J.R. Ashford (United Kingdom) and P.S. Rubilar (Chile)

  4. Testing early life connectivity using otolith chemistry and particle-tracking simulations

    Abstract:  We measured the otolith chemistry of adult Scotia Sea icefish (Chaenocephalus aceratus ... Georgia consistent with a population boundary, and evidence of finer-scale heterogeneity between sampling ... chemistry, simulations of the large-scale circulation predicted that particles released at 100-300m depth on ... the Antarctic Peninsula shelf during spring, corresponding to hatching of icefish larvae from benthic ...

    Meeting Document : WG-FSA-10/P02 : Author(s): J. Ashford, M. La Mesa, B.A. Fach, C. Jones and I. Everson

  5. Do krill fisheries compete with macaroni penguins? Spatial overlap in prey consumption and krill catches during winter

    period as this is the only time of year when spatio-temporal overlaps between macaroni penguin foraging ... biomass of food consumed during the winter period. We combined these to produce a surface of the tonnes of ... krill consumed which could be compared directly with the spatial distribution of the tonnes of krill ... caught by the fishery. Results  Adult macaroni penguins from South Georgia consumed 126,472 tonnes of ...

    Meeting Document : WG-EMM-14/02 : Author(s): N. Ratcliffe, S.L. Hill, I.J. Staniland, R. Brown, S. Adlard, C. Horswill and P.N. Trathan (United Kingdom)

  6. Calculating effective releases and recaptures for stock assessments based on tag detection and tagging mortality indices

    Abstract:  Vessel-specific indices of tag detection rates and tagging mortality rates have been ... developed using a methodology which controls for the spatial and temporal variability of fishing operations ... method showed that when the confounding effects of variable fishing location and time were controlled ... that additional work should be undertaken to further develop this method. Previous applications of the ...

    Meeting Document : WG-SAM-14/30 : Author(s): S. Mormede (New Zealand)

  7. Uncertainty in echosounder calibrations

    Abstract:  Calibration of echo sounders for fish stock assessment are commonly performed using the ... standard sphere method (Johannesson and Mitson, 1983; Simmonds et al., 1984). To determine the accuracy of ... the method, direct measurements of target strength (TS) were made of three standard spheres (Copper ... (Cu)- 23.0 mm and tungsten carbide (WC)- 33.0 mm and 38.1 mm). At the best case range of 5 m, the TS ...

    Meeting Document : WG-EMM-96/40 : Author(s): Soule, M.A., Demer, D.A.

  8. Responding to climate change: Adélie penguins confront astronomical and ocean boundaries

    Abstract:  Long-distance migration enables many organisms to take advantage of lucrative breeding ... latitudes for the remainder of the year. The latitudinal range of the Adélie penguin spans ~22o. Penguins ... from northern colonies may not migrate, but due to the high latitude of Ross Island colonies, these ... that Adélies require both pack ice and some ambient light at all times of year. Over a 3-yr period ...

    Meeting Document : WG-EMM-10/P11 : Author(s): G. Ballard, V. Toniolo, D.G. Ainley, C.L. Parkinson, K.R. Arrigo and P.N. Trathan

  9. Draft proposal for multi-Member research on the Dissostichus mawsoni exploratory fishery in East Antarctica (Divisions 58.4.1 and 58.4.2) from 2018/19 to 2021/22

    research progress including evaluation of standard approaches to identify precautionary catch limits (WG ... for this fishery. Furthermore, examination of bycatch data and underwater video footage have not led ... to the identification of vulnerable marine ecosystem (VME) indicator species (Maschette et al. 2017 ... succeeding plan has been designed as a 4-year plan, based on the low risk profile of this fishery and to ...

    Meeting Document : WG-SAM-18/17 : Author(s): Delegations of Australia, France, Japan, Republic of Korea and Spain

  10. Marine debris, entanglements and hydrocarbon soiling at Bird Island and King Edward Point, South Georgia, Signy Island, South Orkneys and Goudier Island, Antarctic Peninsula 2018/19

    to March 2019. Surveys of beached marine debris at Bird Island recorded a total of 141 items during ... items of beached debris were recorded at Signy Island (operational during summer only; 14 November 2018 ... to 4 March 2019). Fifteen items of beached marine debris were recovered from Goudier Island ... (operational 10 November 2018 to 8 March 2019). Entanglements of three Antarctic fur seals (Arctocephalus ...

    Meeting Document : SC-CAMLR-38/BG/28 : Author(s): Delegation of the United Kingdom

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