Résultats de la recherche
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COLTO Depredation Workshop
fisheries, as well as a vision of what is required in the short-to-medium term to better understand and ... toothfish fisheries, and it was agreed that the scientists who participated in the workshop would produce a ... peer-reviewed paper, encompassing a global review on depredation in high latitude fisheries; and ... operational guidelines in regards to depredation. A second depredation workshop is planned for 2018, aimed at ...
Meeting Document : SC-CAMLR-XXXV/BG/23 : Auteur(s): Submitted by COLTO
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Simulating performance of trend analysis for setting catch limits in exploratory toothfish research plans
Abstract: Catch limits for toothfish in research blocks were set for the 2017/18 season using a ... qualitative analysis of trends in biomass estimated in each research block and a series of simple decision ... developed and tested as a matter of priority for WG-SAM-18. We formalised and codified the rules and ... developed a simulation approach to examine the performance of the trend analysis rules for scenarios with ...
Meeting Document : WG-SAM-18/23 : Auteur(s): S. Hoyle, S. Parker, A. Dunn and S. Mormede
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CCAMLR and climate change: the need for urgent action
Abstract: CCAMLR Members have acknowledged that climate change poses a major threat to Southern ... Ocean ecosystems but have yet to adopt a comprehensive approach to responding to climate change in the ... in which scientists propose scenarios for the future of Antarctica and the planet in a changing ... emphasize that these consequences can be prevented if the right policies are implemented now. There is a ...
Meeting Document : CCAMLR-XXXVII/BG/26 : Auteur(s): Submitted by ASOC
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Analysis of krill fishery behaviour in the southwest Atlantic: potential signals for moving fishing activities amongst SSMUs
leaving a SSMU, as well as its timing of the day, diurnal pattern of CPUE and fishing depth. Vessels tend ... than a day to explore the fishing grounds from multiple options for the start of the fishing season ... . Continuous operations in a single SSMU are longer later in the fishing season, especially for winter ... conditions etc. Skippers tend to allow a day to decide before leaving a SSMU after over days of continuous ...
Meeting Document : WG-EMM-07/27 : Auteur(s): S. Kawaguchi, A. Constable and S. Nicol (Australia)
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An alternative method for estimating the level of illegal fishing using simulated scaling methods on detected effort
Abstract: A new method for estimating illegal fishing effort is put forward. The results from ... . This is the prevention/detection problem, in which the greater the number of detections for a given ... leads to a negative correlation between the amount of fishing and the estimated amount of fishing for a ... that have a degree of legitimacy. However, the range of actual fishing (in the simulation datasets) for ...
Meeting Document : WG-FSA-05/P7 : Auteur(s): Ball, I.
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Beach debris survey, Signy Island, South Orkney Islands, 2003/04
and size categories. A total of 21 items weighing 11.59kg were collected. The number of items found ... recovered (a decrease of 61% and 57.56% since 2002/03 respectively). There was a decrease in the number of ... reversing the rise in packaging bands experienced over the previous two seasons and marking a return to what ... has otherwise proved a declining trend since 1993/94. Despite this seasons decrease in these packaging ...
Meeting Document : SC-CAMLR-XXIII/BG/15 : Auteur(s): Delegation of the United Kingdom
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An alternative method for estimating the level of illegal fishing using simulated scaling methods on detected effort
Abstract: A new method for estimating illegal fishing effort is put forward. The results from ... is the prevention/detection problem, in which the greater the number of detections for a given level ... a negative correlation between the amount of fishing and the estimated amount of fishing, for a ... results that have a degree of legitimacy. However, the range of actual fishing (in the simulation data ...
Meeting Document : WG-FSA-04/63 : Auteur(s): I. Ball (Australia)
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Beach debris survey – Signy Island, South Orkney Islands 2002
categories. A total of 39 items weighing 25.47kg were collected. The number of items found was the largest ... packaging bands (eight) from the total recorded the previous season (1), a change in what has otherwise been ... a declining trend since 1993/94. Plastic waste was predominant, as in previous seasons, making up71 ... of waste recorded at Signy Island has shown a reverse in what has otherwise been a declining trend ...
Meeting Document : SC-CAMLR-XXI/BG/05 : Auteur(s): Delegation of the United Kingdom
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Stock assessment of the Patagonian toothfish, Dissostichus eleginoides, harvested by the French fishery at Kerguelen Islands (Division 58.5.1 of the CCAMLR)
Abstract: A stock assessment of the Patagonian toothfish (Dissostichus eleginoides) at Kerguelen ... unit effort of the commercial fishery, tagging survey, sample size frequencies… CASAL is a simple ... population-modeling tool, applied to a single area and based on sex combination. The spatial complexity of ... than 1,500m. Commercial catches are integrated in the model by CCAMLR season. A weighted combination of ...
Meeting Document : WG-FSA-11/28 : Auteur(s): A. Relot-Stirnemann (France)
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Krill population dynamics at South Georgia: implications for ecosystem-based fisheries management
/or climate change. (Mar. Ecol. Prog. Ser., 399 (2010): 243–252) Author(s): K. Reid, J.L. Watkins ... Abstract: The South Georgia region supports a large biomass of krill that is subject to high ... interannual variability. The apparent lack of a locally self-maintaining krill population at South Georgia ... with krill population size structure over the same period from predator diet data, were used with a ...
Meeting Document : WG-EMM-10/P08 : Auteur(s): K. Reid, J.L. Watkins, E.J. Murphy, P.N. Trathan, S. Fielding and P. Enderlein