Resultados de la búsqueda
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Alternative method of the age composition assessment on the basis of surveys length data using mixture distributions
2000, 2002, 2004 in the South Georgia area, it is demonstrated that the method by Aitchison and ... bootstrap method result in different estimates of mean fish density in the length series. Verification of ... Mare commonly used by CCAMLR in icefish age composition of abundance indices determination. To solve ...
Meeting Document : WG-FSA-05/78 : Autor(es): P. Gasyukov (Russia)
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A review of models of Southern Ocean ecosystems: krill, ecosystems and the impacts of harvesting
Abstract: An ecosystem approach for the management of human activities in the Southern Ocean is ... enshrined in the principles of the Commission for the Conservation of Antarctic Marine Living Resources ... in the world. The main categories we consider are models of krill populations and life cycles ... , predator-prey models and models of ecosystems. A range of approaches has been developed in each of these ...
Meeting Document : WG-EMM-04/67 : Autor(es): S.L. Hill, E.J. Murphy, K. Reid, P.N. Trathan (United Kingdom), A. Constable (Australia)
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Fecundity and size at sexual maturity of the bigeye grenadier (Macrourus holotrachys) at South Georgia (CCAMLR Subarea 48.3)
greater than a year. Sex ratios of specimens caught in the longline fishery are highly skewed with females ... Abstract: Fecundity and size at sexual maturity were investigated in 486 bigeye grenadier ... , Macrourus holotrachys caught as bycatch in the Patagonian toothfish longline fishery conducted around South ... final ovarian development is a prolonged process in M. holotrachys which probably lasts for a period of ...
Meeting Document : WG-FSA-02/26 : Autor(es): T. Mulvey, S.A. Morley, M. Belchier and J. Dickson (United Kingdom)
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Systematic Biodiversity Planning to identify a potential offshore Marine Protected Area network for South Africa
network in order to represent offshore biodiversity, protect vulnerable ecosystems, contribute to ... fishery and bycatch management areas. In addition, the project has engaged with offshore stakeholders from ... the outset, has overcome significant challenges in engaging petroleum, diamond mining and fisheries ... sectors and has built some support for offshore MPAs. Considerable challenges remain in the implementation ...
Meeting Document : WS-MPA-11/11 : Autor(es): K. Sink, M. Lombard (South Africa), H. Grantham (Australia), C. Attwood, R. Leslie, T. Samaai, S. Kerwath, T. Fairweather, C. van der Lingen, L. Atkinson, T. Wolf and P. Majiedt (South Africa)
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AN UPDATED DESCRIPTION AND PARAMETERISATION OF THE SPATIAL MULTI-SPECIES OPERATING MODEL (SMOM )
-predator-fishery dynamics is described. This has been developed in response to requests for scientific ... management units (SSMUs) in the Scotia Sea, to reduce the potential impact of fishing on land-based predators ... . The model includes krill as prey and four predator groups (penguins, seals, fish and whales) in each ... combinations of model parameters essentially try to bound the uncertainty in, for example, the choice of ...
Meeting Document : WG-SAM-08/17 : Autor(es): É.E. Plagányi and D.S. Butterworth (South Africa)
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Using mark-recapture and catch-age data to estimate fishing and natural mortality for the Patagonian toothfish at South Georgia
natural mortality, and integrates catch-at-age data into the estimation model, to aid in distinguishing ... analysed with the model. The ages covered by the analysed cohorts ranged from 5 to 13. In the model runs ... be lower than those estimated in previous stock assessments using both mark-recapture and catch data ... . There was additionally some suggestion of agestructure in the natural mortality-at-age. Author(s): R.M ...
Meeting Document : WG-FSA-SAM-06/06 : Autor(es): R.M. Hillary and D.J. Agnew (United Kingdom)
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Potential VMEs around Elephant and the South Shetland Islands (Subarea 48.1)
in the South Shetland Islands area. High biomass densities of VME indicator taxa, meeting the 10 kg ... new ‘diversity threshold’ is proposed in order to protect those VME taxa that do not occur in the ... Appendix II listed Antipatharia (black coral), which in the authors’ experience has never occurred at a ...
Meeting Document : WG-EMM-12/51 : Autor(es): S.J. Lockhart (USA), N. Wilson (Australia) and E. Lazo-Wasem (USA)
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Preliminary report on krill survey off the coast of East Antarctica (Enderby Land to Prydz Bay) February-March 2015
mammals in East Antarctica. The small scale variability of prey in key foraging locations near to land ... -based colonies of penguins and flying seabirds in East Antarctica. Feasibility and potential of ... better understand the ecosystem in the region. The survey completed 5 acoustic box surveys including a ...
Meeting Document : WG-EMM-15/22 : Autor(es): S. Kawaguchi, A. Constable, L. Emmerson, C. Southwell, R. King, K. Westwood and K. Swadling (Australia)
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Propuesta para reforzar el seguimiento y control de transbordos
gaps in the monitoring of transhipments. Currently, most of the transhipments in the Convention Area ... occur between vessels licensed to fish in the Convention Area and vessels of Non-Contracting parties ... assist in preventing support for, and concealment of, IUU fishing through transhipments, and would also ...
Meeting Document : CCAMLR-XXXV/24 : Autor(es): Delegations of Australia and the USA
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Tagging Equipment Order Form
name * Delivery address * Order details Enter the quantity of each item required in the boxes below ... . Prices are shown in Australian Dollars (AUD). Please be advised that prices for some items have recently ... at $18.90 each Tagging equipment box at $30.00 each Additional information What code is in the image ... ? * Enter the characters shown in the image. ...
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