Resultados de la búsqueda
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Información sobre la adquisición de equipo para el programa de marcado de la CCRVMA
CCAMLR tags must be ordered in sets of 1000 tags. It is recommended that for each set of 1000 tags ... . Please note that we no longer require recaptured tags to be returned. Instead, please take photographs of ... Unused Tags It is recommended that all unused and damaged tags be returned to the Secretariat as part of ... ordered, two tagging guns be purchased. To order any tags and tagging equipment, please use the Tagging ...
Page : Site Section: Science
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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 : Autor(es): 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 : Autor(es): 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 : Autor(es): A. Brandão and D.S. Butterworth (South Africa)
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2006 assessment of the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity
% of its average pre-exploitation level in terms of spawning biomass. It is suggested that it would be ... to be taken by pots (which avoid the cetacean predation associated with longlining). Specific issues ... Butterworth (2005) 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-06/58 : Autor(es): A. Brandão and D.S. Butterworth (South Africa)
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Using acoustic echo counting to estimate grenadier abundance in the Ross Sea (SSRU88.1I)
fishery for toothfish in the Ross Sea. Previous studies concluded that acoustics methods could be used to ... index the relative abundance of grenadiers and be useful for exploring spatial distribution. Automated ... . These methods can be applied to large volumes of relatively low quality, opportunistically collected ... at seabed depths of 700–1000 m, and revealed consistent spatial patterns, with higher numbers of ...
Meeting Document : WG-FSA-14/62 : Autor(es): Y. Ladroit, R.L. O’Driscoll and S. Mormede (New Zealand)
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The Secretariat review of the Strategic Plan, associated activities and outcomes
Abstract: At CCAMLR-XXIX, the Commission recommended that a staffing and salary strategy be ... -EMM with a brief description of the process that has been supported since CCAMLR-XXIX to address these ... included in the review of the Secretariat’s Strategic Plan and that SCAF consider the outcomes of that ... Scientific Committee (SC-CAMLR-XXIX, paragraph 14.2) that a review of the Secretariat’s data management ...
Meeting Document : WG-EMM-11/09 : Autor(es): Secretariat
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Fishery Report 2013: Champsocephalus gunnari South Georgia (Subarea 48.3)
. Spawning takes place in shallow water, with eggs laid on the seafloor. Larvae are pelagic and may be ... seabirds, it shall cease fishing and shall be excluded from further participation in the fishery in that ... strata were evident. In the southwest region T. gaudichaudii was the dominant diet item, with fish and T ... season is represented by the year in which that season ended, e.g. 2012 represents the 2011/12 CCAMLR ...
Document : Site Section: Publications
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A study of Patagonian toothfish (Dissostichus eleginoides) post tagging survivorship in Subarea 48.3
survivorship. There are indications that survivorship rates may be lower while observers are learning how to ... , and then were kept in tanks with varying degrees of seawater replacement for at least 12 hours after ... tagging. On one vessel fish with a variety of injuries were selected to see if this affected recovery. 395 ... animals were included in the final analysis, with an overall survivorship of 89%. There were significant ...
Meeting Document : WG-FSA-05/19 : Autor(es): D. J. Agnew, J. Moir Clark, P.A. McCarthy, M. Unwin, M. Ward, L. Jones (United Kingdom), G. Breedt, S. Du Plessis, J. Van Heerdon (South Africa) and G. Moreno (Spain)
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Orientation of Antarctic krill in an aquarium
Abstract: Acoustic methods appear to be the best way to estimate Antarctic krill abundance ... strength (TS) values, since TS varies with body orientation. Krill body orientation was measured in an ... slightly less than that when animals were hovering, 49.7° (SD=7.5°, N=50). Such an acute angle of elevation ... . Although mature females with marked swelling of the cephalothorax were not included in the experiment, the ...
Meeting Document : WG-KRILL-93/24 : Autor(es): Y. Endo (Japan)