Resultados de la búsqueda
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Modelling crustacean fisheries: effects of parasites on management strategies
Abstract: The reproductive performance of commercially important crustaceans may be considerably ... . To manage a parasitized stock, we suggest that strategies should vary depending on the recruitment ... ;open" or "closed" depending on the behavior of planktonic larvae, the duration of these ... planktonic stages, and the flush rate of the environment of the adult host. Both hosts and parasites may have ...
Meeting Document : WS-CRAB-93/09 : Autor(es): A.M. Kuris and K.D. Lafferty (USA)
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Research plan for exploratory fishing for toothfish (Dissostichus spp.) in 2016/17 in Division 58.4.1 by France
this Division. France notifies its wish to collaborate in this research fishery with the other ... participants over the coming years in order to participate in the tagging program and achieve a robust stock ... assessment. The aim is to collect sufficient data to provide an advice on a catch limit according to CCAMLR ... Conservation Measure 41-11. The biomass for each in the Division was estimated during WG-FSA 2015 using CPUE x ...
Meeting Document : WG-SAM-16/01 : Autor(es): Delegation of France
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COLTO Depredation Workshop
Abstract: The inaugural COLTO Depredation Workshop took place in Punta Arenas, Chile, 15-18 March ... 2016. Results were an enhanced understanding on the current state of depredation in toothfish ... 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 ...
Meeting Document : SC-CAMLR-XXXV/BG/23 : Autor(es): Submitted by COLTO
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Progress on Southern Ocean protection and vessel activity
Abstract: The IMO has agreed to consider additional provisions for vessels not covered by the ... Safety of Life at Sea (SOLAS) Convention in Step 2 or Phase 2 of the Polar Code. Most recently, Member ... Safety Committee (MSC), the next meeting of which takes place in November 2016. Consequently, ASOC urges ... the CCAMLR Secretariat to provide comprehensive information on incidents in polar waters involving ...
Meeting Document : CCAMLR-XXXV/BG/25 : Autor(es): Submitted by ASOC
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Predicting distribution and relative abundance of mid-trophic level organisms using oceanographic parameters and acoustic backscatter
Abstract: Data on the distribution and abundance of mid-trophic level organisms (MTLOs) in the ... resilience to climate change. We used acoustic data collected at 38 kHz frequency across the Southern Ocean ... proxy for MTLO abundance in the epi- and mesopelagic zones. Boosted regression trees and generalised ... additive mixed models were used to develop simple predictive models for backscatter in the epi- and ...
Meeting Document : WG-EMM-18/P07 : Autor(es): P.C. Escobar-Flores, R.L. O’Driscoll and J.C. Montgomery
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ANALYSIS OF VARIABILITY OF KRILL SIZE AND FISH BY-CATCH IN JAPANESE KRILL FISHERY BASED ON SCIENTIFIC OBSERVER DATA
hierarchical Bayesian model. The model was composed of multistage cluster units (i.e., years, subarea, vessels ... , and haul) based on a state-space model, which can separate biological process error in the population ... dynamics from observation error caused by the fishery activity and individual observation. In both krill ... length and bycatch fish number, the parameters estimated by MCMC showed the variation among years ...
Meeting Document : WG-EMM-11/39 : Autor(es): T. Okuda and M. Kiyota (Japan)
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DEVELOPMENT OF A METHODOLOGY FOR DATA QUALITY ASSESSMENT
Abstract: Measures are developed which aim to summarise the quality of fishing event, catch, and ... biological sampling data from a fishing trip. In particular these measures aim to quantify the prevalence of ... position or time reporting errors, the diversity of catch, the extent to which catch data follow Benford ... 's Law for the distribution of the first significant digit, whether length-frequency data have been ...
Meeting Document : WG-SAM-08/13 : Autor(es): D.A.J. Middleton and A. Dunn (New Zealand)
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Assessing status and change in Southern Ocean ecosystems
Abstract: A great challenge for Southern Ocean ecosystem science is to assess the status and ... function can be unambiguously assessed in the future. This challenge includes being able to assess the ... likelihood of different states in the future. These requirements are needed by different bodies regionally ... and globally for making tactical decisions, such as catch limits and conservation requirements in the ...
Meeting Document : WG-EMM-13/36 : Autor(es): A. Constable (Australia), D. Costa (USA), E. Murphy (United Kingdom), E. Hofmann, O. Schofield (USA), A. Press (Australia), N. Johnston (United Kingdom) and L. Newman (Australia)
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First record of anti-Brucella antibodies in Arctocephalus gazella and Leptonychotes weddellii from Cape Shirreff, Livingston Island, Antarctica
Abstract: This paper describes the first detection of Brucella sp. antibodies in pinnipeds from ... (Arctocephalus gazella) and one Weddell seal (Leptonychotes weddellii) sera were tested by the Rose Bengal test ... sp. were detected with the RBT, the CFT and the c-ELISA in six of the seventeen samples involving the ... two animal species. It is concluded that a Brucella sp. described as affecting marine mammals in the ...
Meeting Document : SC-CAMLR-XVIII/BG/17 : Autor(es): Delegation of Chile
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Notification of Vulnerable Marine Ecosystems in Statistical Area 58.4.1
bottom fishing gear on Vulnerable Marine Ecosystems (VMEs) are avoided. In order to satisfy the ... requirements of CM 22-06 a method is proposed to notify CCAMLR of the presence of VMEs and their location using ... a simple pro-forma. Two VMEs identified during the Australian CEAMARC-CASO cruise are notified using ... this form from Statistical Area 58.4.1, SSRU H. The use of 5 nm buffer zones around the location of the ...
Meeting Document : WG-EMM-08/38 : Autor(es): Submitted by Australia