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Comisión para la Conservación de los Recursos Vivos Marinos Antárticos

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  1. Seabird mortality in the longline fishery for Patagonian toothfish at the Prince Edward Islands: 1996–1997

    (EEZ). However, the total fishing effort is estimated, based on landings, to be between 20 and 50 ... Abstract:  Longline fishing for Patagonian toothfish Dissostichus eleginoides commenced at the ... -June 1997. Data on seabird bycatches were obtained from fishery observers aboard 10 of 12 sanctioned ... Thalassarche chyrsostoma and Yellow-nosed Albatrosses T. chlororhynchos (together 23 %), and giant petrels ...

    Meeting Document : WG-FSA-97/51 : Autor(es): Boix-Hinzen, C., Enticott, J.W., Ryan, P.G., Wanless, R., Purves, M., Nel, D.C.

  2. The Generalised Yield Model version 5: structure, specifications and examples for validation

    the Krill Yield Model, which was based on the method for evaluating yield developed by Beddington & ... used on assessments for Antarctic krill, Patagonian toothfish, and mackerel icefish. This paper ... ; Cooke (1983). The first version incorporated options for assessing long-term annual yield according to ... catches set by a proportion of an estimate of pre-exploitation biomass (as in krill), a specified catch in ...

    Meeting Document : WG-FSA-SAM 03/14 : Autor(es): A. Constable (Australia)

  3. Revised input parameters and implications for the Antarctic toothfish (Dissostichus mawsoni) stock assessment in Subareas 88.1 and 88.2

    . Most of these changes did not have a significant impact on the assessment results. We also provide an ... Antarctic toothfish stock assessment for the Ross Sea fishery. In particular we review catch history, length ... consistent patterns in length frequencies over the duration of the fishery. Including terms for nation ... with the location variables. The catch and CPUE indices for the Ross Sea Antarctic toothfish fishery ...

    Meeting Document : WG-SAM-07/6 : Autor(es): A. Dunn and S.M. Hanchet (New Zealand)

  4. Line weights of constant mass (and sink rates) for Spanish-rig Patagonian toothfish longline vessels

    hydrodynamic than their rocks counterparts and require no maintenance. An experiment was conducted on a ... kg weights at 40 m intervals on longlines to minimise interactions with seabirds. The weights are ... collections of rocks enclosed in netting bags. The netting bags abrade on the seabed, rocks are lost and ... use of torpedo-shaped steel weights. Steel weights are smaller, lighter for equivalent mass, more ...

    Meeting Document : WG-FSA-07/15 : Autor(es): G. Robertson (Australia), C.A. Moreno, E. Gutiérrez (Chile), S.G. Candy (Australia), E.F. Melvin (USA) and J.P. Seco Pon (Argentina)

  5. Reporting procedures for the continuous fishing method

    Abstract:  Commercial catch rates are important information for scientific evaluation of the krill ... resource and potential impacts of fishing on the ecosystem. Imprecise information confounds analysis and ... standardized on all vessels conducting continuous trawling, ensures that the catch is estimated and recorded at ... the correct space and time. Author(s):  F. Grebstad Title:  Reporting procedures for the continuous ...

    Meeting Document : WG-EMM-2019/06 : Autor(es): F. Grebstad

  6. Management plan for Site of Special Scientific Interest (SSSI) No. 1

    on the ecosystem, and in particular on the avifauna in the Area, while ensuring protection from over ... ; • allow visits for management purposes in support of the aims of the management plan. Author(s ... ):  Secretariat Title:  Management plan for Site of Special Scientific Interest (SSSI) No. 1 Approval:  Approved ...

    Meeting Document : WG-EMM-02/59 : Autor(es): Secretariat

  7. SPATIAL AND TEMPORAL VARIATION IN ATTRIBUTES OF ADELIE PENGUIN BREEDING POPULATIONS: IMPLICATIONS FOR UNCERTAINTY IN ESTIMATION OF THE ABUNDANCE OF BREEDING PENGUINS FROM ONE-OFF COUNTS

    Abstract:  Broad-scale surveys of penguin breeding abundance generally rely on on-off counts of ... (between years). Given this variability, there will be substantial uncertainty in correcting one-off counts ... POPULATIONS: IMPLICATIONS FOR UNCERTAINTY IN ESTIMATION OF THE ABUNDANCE OF BREEDING PENGUINS FROM ONE-OFF ...

    Meeting Document : WG-EMM-PSW-08/07 : Autor(es): C. Southwell, J. McKinlay, R. Pike, D. Wilson, K. Newbery and L. Emmerson (Australia)

  8. A proposal for modifications to Standard Method C2: fur seal pup growth

    discussion on the need to modify Standard Method C2: Pup growth. The issues discussed relate to the timing of ... sampling and the selection of animals to weigh. The following is a proposal on how the protocol and ... growth. Author(s):  M.E. Goebel (USA) Title:  A proposal for modifications to Standard Method C2: fur ...

    Meeting Document : WG-EMM-02/52 : Autor(es): M.E. Goebel (USA)

  9. Depletion-corrected average catch: a simple formula for estimating sustainable yields in data-poor situations

    -yield formula, and it provides useful estimates of sustainable yield for data-poor fisheries on long ... Abstract:  The depletion-corrected average catch (DCAC) formula is an extension of the potential ... -lived species. Over an extended period (e.g. a decade or more), the catch is divided into a sustainable ... yield component and an unsustainable “windfall” component associated with a one-time reduction in stock ...

    Meeting Document : WG-SAM-11/P3 : Autor(es): A.D. McCall

  10. The fishery for Champsocephalus gunnari and its biology at Heard Island (Division 58.5.2)

    between 1990 and 2000. Icefish abundance varies widely between years and the fishery is dependent on ... 1997. This paper summarises the fishing activities to date and collates the information on the biology ... Wijk, A. Constable and T. Lamb (Australia) Title:  The fishery for Champsocephalus gunnari and its ... periodic abundant year classes that can be followed through the population before disappearing in their ...

    Meeting Document : WAMI-01/04 : Autor(es): R. Williams, E. van Wijk, A. Constable and T. Lamb (Australia)

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Correo electrónico: ccamlr [at] ccamlr [dot] org
Teléfono: +61 3 6210 1111
Facsímil: +61 3 6224 8744
Dirección: 181 Macquarie Street, Hobart, 7000, Tasmania, Australia

 

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