Résultats de la recherche
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Using spatial population models to investigate the effects of a proposed Marine Protected Area on Antarctic toothfish in the Ross Sea region
Abstract: One aim of Marine Protected Areas (MPAs) is to protect a representative portion of ... of that fishery’s displacement on the target fish population. We used a spatially explicit population ... model of Antarctic toothfish in the Ross Sea region to investigate the effects of a proposed MPA on the ... to result in a small increase in the catch limit under existing harvest management rules, as well as ...
Meeting Document : WG-FSA-15/42 : Auteur(s): S. Mormede, A. Dunn, S.J. Parker and S.M. Hanchet (New Zealand)
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A GIS tool to assist in the planning and design of sample surveys of the abundance of colonial breeding species
Abstract: A GIS tool to assist in the planning and designing of surveys of colonial breeding ... the example the tool is used to sample a population of Adelie penguins in the Holme Bay region of East ... Antarctica as might occur in a real a pilot survey, and the resulting sample densities used to predict the ... number of sampling units required to estimate abundance for the entire region with a pre-determined ...
Meeting Document : WG-EMM-05/25 : Auteur(s): C. Southwell, R. Dreissen, S. Candy, G. McPherson and J. Clarke (Australia)
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JGYM: a java version of the Generalised Yield Model
Abstract: As part of a wider research project aimed at developing management strategies based on ... the current toothfish assessment methodology using the Generalised Yield Model (GYM), a Java version ... identical input, then this would be a major step towards a verification of the GYM. This paper, which will ... be given in the form of a Power Point presentation, will discuss how the JGYM was developed, indicate ...
Meeting Document : WG-FSA-SAM 03/16 : Auteur(s): R.N. Vilhelm (United Kingdom)
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Characterisation of the exploratory fishery on Dissostichus spp. between the 2004/05 and 2016/17 fishing seasons in Division 58.4.3.a
Abstract: Exploratory fishing in Division 58.4.3.a is conducted by two vessels using longlines ... arrangements are in place in Division 58.4.3.a (Conservation Measures 41-05 and 41-11), while data are ... collected to provide a robust stock assessment and catch limits. A research plan jointly written by France ... season 2016/17. Author(s): J.-B. Lecomte, R. Sinegre, A. Rigaud and T. Okuda Title: Characterisation of ...
Meeting Document : WG-SAM-17/20 : Auteur(s): J.-B. Lecomte, R. Sinegre, A. Rigaud and T. Okuda
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Experience with seabird by-catch limits in a trial of longline fishing in the Macquarie Island toothfish fishery
Abstract: The Australian Fisheries Management Authority (AFMA) recently granted a permit for a ... fishing vessels. The seabird bycatch mitigation measures adopted for the trial included a ban on offal ... of species with a different limit for each group. The groupings reflected the varying conservation ... conservation status and highest risk of interacting with fishing operations had a bycatch limit of one seabird ...
Meeting Document : WG-FSA-07/19 : Auteur(s): T. Hewitt and I. Hay (Australia)
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Domain 1 Marine Protected Area Preliminary Proposal – PART A: MPA Model
display of a large amount of information, not only contributing to the best science available but also ... providing a platform for the sharing and visualization of information. We highlight the multinational ... (PAC) in Domain 1. A technical description of the software and analyses used for the identification of ... described to finally arrive to a Domain 1 MPA model to be discussed among members during the EMM-2017. The ...
Meeting Document : WG-EMM-17/23 : Auteur(s): Delegations of Argentina and Chile
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A review of rattail (Macrourus spp.) and skate by-catch and analysis of standardised CPUE, for the exploratory fishery in the Ross Sea (CCAMLR Subareas 88.1 and 88.2) from 1997/98 to 2004/05
Abstract: A standardised CPUE analysis was used to determine factors affecting bycatch rates of ... shown a general increasing trend since 1998/99, with a peak in 2002/03. It was not possible to reliably ... determine factors influencing catch rates of skates from either C2 or observer data because a proportion of ... either dataset. There are a number of inconsistencies within the observer data which need to be resolved ...
Meeting Document : WG-FSA-05/24 : Auteur(s): S.L. Ballara and R.L. O’Driscoll (New Zealand)
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Models of tag shedding for double tagging as a function of time at liberty and approximate solutions for the single tagging model in CASAL
) which models the annual tag shedding (i.e. loss) rate as a constant for individual tags. The CASAL ... software applies this model correctly for fish released with a single tag but does not have the facility at ... , as a function of time at liberty. This over-estimation is shown to be significant and the ... a large sample of recaptures of fish released in the Heard and MacDonald Island (HIMI) (Division ...
Meeting Document : WG-SAM-11/12 : Auteur(s): S.G. Candy (Australia)
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Precautionary measures for a new fishery on Martialia hyadesi (Cephalopoda, Ommastrephidae) in the Scotia Sea: an ecological approach
Abstract: In anticipation of the development of a new fishery for the oceanic squid Martialia ... hyadesi in the Scotia Sea a revision is presented of annual consumption of the species by higher predators ... and a brief review is provided of information about the life cycle and distribution obtained from ... season. A conservative estimate for total annual consumption by higher predators in the Scotia Sea is ...
Meeting Document : WG-FSA-96/20 : Auteur(s): Rodhouse, P.G.
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Scientific background document in support of the development of a CCAMLR MPA in the Weddell Sea (Antarctica) – Version 2016 – Part C: Data analysis and MPA scenario development
) the scientific background and justification for the development of a marine protected area (MPA) in ... , Annex 6), this was done in three separate documents (Part A-C). WG-EMM-16/01 (Part A) sets out the ... development of the objectives and finally of the borders for the WSMPA. Earlier versions of Parts A-C were ... necessary foundation for developing a WSMPA proposal (SC-CAMLR-XXXIV, § 5.11). Here, the authors present the ...
Meeting Document : WG-EMM-16/03 : Auteur(s): K. Teschke, H. Pehlke, M. Deininger and T. Brey on behalf of the German Weddell Sea MPA project team