Résultats de la recherche
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Assessment of the Dissostichus eleginoides stock in Subarea 48.3 for the 1990/91 season and calculation of TAC for the 1991/92 season
season the D. eleginoides stock is estimated to be 91.5 thousand tonnes. It has been determined that for ... optimal results, fishing operations should be conducted at a level of F0.1. In accordance with such a ... demonstrated that the stock size and TAC were determined with a high degree of robustness Author(s): P.S ...
Meeting Document : WG-FSA-91/24 : Auteur(s): P.S. Gasiukov, R.S. Dorovskikh and K.V. Shust (USSR)
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Progress report 4: Proposal for GEF (Global Environment Facility) funding to support capacity building in the GEF-eligible CCAMLR Members
work that will be associated with developing the full Project Document over the next 12 months and ... Secretariat be tasked with developing a proposal for funding support from the Global Environment Facility to ... Abstract: In 2014, the Scientific Committee endorsed a proposal from South Africa that the ...
Meeting Document : WG-EMM-17/46 : Auteur(s): CCAMLR Secretariat
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Evaluation of some processing techniques applied to acoustic recordings from two krill fishing vessels
. Here we show examples of processing with a prerequisite that abundance and distribution of krill are ... of unwanted backscatter, but could be dealt with adequately using different noise removal techniques ... data can be made. Procedures for data processing have not yet been addressed in detail within CCAMLR ... our main interest, and that data of interest include both those collected during fishing operations ...
Meeting Document : SG-ASAM-17/03 : Auteur(s): X. Wang, G. Skaret and O.R. Godø
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Translation review of the Basic Documents and the conservation measures
proposed changes were available for consultation between June and August. These changes will be included in ... the next version of the Basic Documents and will be incorporated into translations of the next ...
Meeting Document : CCAMLR-XXXVII/BG/12 : Auteur(s): CCAMLR Secretariat
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Developing a non-lethal approach for assessing endocrine disruptors in Antarctic seabirds
toxicological analyses” (Part IV, Section 5: 1-3), dated August 1997. This procedure describes the methods to ... collect samples of organisms to be analyzed for ecotoxicology. The aim is to detect toxic persistent ... organisms. Results can be used both for POP global transport studies and for biomagnification and risk ... /endangered organisms and/or protected/ecological relevant areas have to be investigated. This paper reports ...
Meeting Document : WG-EMM-03/57 : Auteur(s): S. Corsolini (Italy), W.Z. Trivelpiece (USA) and S. Focardi (Italy)
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Development of methods for evaluating the management of benthic impacts from longline fishing using spatially explicit production models, including model validation
vulnerable marine ecosystems (VMEs). We describe a spatially explicit production model that can be used to ... of these impacts in the scenarios tested were small, we recommend that research be focused, at least ... fishing effort. Further, we update this paper with a set of simulations using a range of simple and ... carried out under a range of productivity assumptions, impact, and spatial scale, with and without ...
Meeting Document : WG-FSA-10/29 : Auteur(s): A. Dunn, S.J. Parker and S. Mormede (New Zealand)
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Simulations to evaluate model performance for Antarctic toothfish stock assessment in the Amundsen Sea region
. Simulations suggest that the current research plan with the current levels of catch and tagging rate is likely ... shown promising results to date, with 8 interseason tags recaptured in the South area in 2016 and 12 ... models showed that using two independent models lead to higher estimates of biomass in the North and ... lower estimates of biomass in the South, but that the two independent models fitted the data poorly ...
Meeting Document : WG-SAM-17/40 : Auteur(s): S. Mormede and S. Parker
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Beach debris survey Signy Island, South Orkney Islands, 1998/99
from beaches at Signy may be partly to do with their longevity in the marine environment. The increase ... increased effort to ensure that vessels are aware of, and comply with, regulations prohibiting the disposal ... that 40% had come from ships or fishing vessels in the form of packaging bands, fishing net and foam ... packing material. The last accounted for 58% of items small enough to be ingested by seals and seabirds ...
Meeting Document : CCAMLR-XVIII/BG/7 : Auteur(s): Delegation of the United Kingdom
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DEVELOPMENT OF A SPATIALLY EXPLICIT AGE-STRUCTURED STATISTICAL CATCH-AT-AGE POPULATION DYNAMICS MODEL FOR MODELLING MOVEMENT OF ANTARCTIC TOOTHFISH IN THE ROSS SEA
for MCMC that could be investigated. And, in order to address the questions of the adequacy of the ... maturity state spatial movement model. SPM is an aggregate movement model suitable for use with large ... numbers of areas, and is implemented as a discrete time-step state-space model that represents a cohort ... product of a set of preference functions that are based on known attributes of spatial location. SPM was ...
Meeting Document : WG-SAM-08/14 : Auteur(s): A. Dunn and S. Rasmussen (New Zealand)
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A two-fleet ASPM assessment of the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity
annual legal catch not to exceed 500 tonnes for the time being, together with encouragement that this be ... yields may be possible, it is suggested that a prudent management approach at this stage would be for the ... Butterworth (2004) that permitted annual fluctuations about a deterministic stock-recruitment relationship is ... updated to take account of further catch, GLM standardised CPUE and catch-at- length information that has ...
Meeting Document : WG-FSA-05/58 : Auteur(s): A. Brandão and D.S. Butterworth (South Africa)