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A compilation of parameters for a krill–fishery–predator model of the Scotia Sea and Antarctic Peninsula
Abstract: We describe the compilation and derivation of parameters for use in krill-fishery ... -predator models of the Scotia Sea – Antarctic Peninsula region. The primary aim is to provide input for the ... model developed by Watters et al. (2006), which we use to define the required parameters. However, these ... parameters should be applicable to other models of the system. Our methods include the use of weighted ...
Meeting Document : WG-EMM-06/30 Rev. 1 : Автор(ы): S. Hill, K. Reid, S. Thorpe (United Kingdom), J. Hinke and G. Watters (USA)
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Comparison of census methods for black-browed albatrosses breeding at the Ildefonso Archipelago, Chile
the Ildefonso Archipelago, Chile, for > 90 years the population has never been censused using ... scientifically defendable methods. To estimate population size, and examine the accuracy and practicality of ... various census methods, the population was censused in the 2002/03 breeding season using a) ground-truthed ... -distance sampling. Compared to ground-truthed aerial photography (judged the most accurate) yacht-based ...
Meeting Document : WG-FSA-06/12 : Автор(ы): G. Robertson, K. Lawton (Australia), C.A. Moreno (Chile), R. Kirkwood (Australia) and J. Valencia (Chile)
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Preliminary assessment of long-term yield of Patagonian toothfish (Dissostichus eleginoides) for the Heard Island region (CCAMLR Division 58.5.2) based on a random stratified trawl survey in June 2005
58.5.2 in the vicinity of Heard Island in June 2005 to provide the information for an assessment of short ... -term annual yield in the 2005/2006 CCAMLR season. This paper provides a preliminary assessment of yield ... for the area of Division 58.5.2 to the west of 79°20’ E using standard CCAMLR methods. It also ... considers the sensitivity of the assessment to (i) further consideration of the survey series and the ...
Meeting Document : WG-FSA-05/30 : Автор(ы): A.J. Constable, T. Lamb and R. Williams (Australia)
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Notification of research-in-progress in an Australian tuna fishery of relevance to the conservation of Convention Area seabirds
Abstract: This purpose of this document is to inform CCAMLR of work-in-progress in the Australian ... eastern tuna and billfish fishery (ETBF) of potential relevance to the conservation of Convention area ... seabirds. The research plan includes (a) a line weighting experiment on a chartered tuna vessel to ... determine the effect of line weighting regimes and bait type on the sink rate of longlines. This experiment ...
Meeting Document : WG-FSA-05/13 : Автор(ы): G. Robertson, B. Wienecke, K. Lawton and B. Baker (Australia)
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By-catch in the Australian fisheries in Division 58.5.2
Abstract: This paper presents bycatch information for the Australian fisheries in Divisions ... 58.5.2 for the 2003/2004 and 2004/2005 seasons. Bycatch in the trawl fisheries was low, generally less ... than 1% of the total catch (target plus bycatch). Higher percentage bycatch rates occurred in trawling ... grounds where the fishing effort and therefore target catch was low. Bycatch in the longline fisheries was ...
Meeting Document : WG-FSA-05/68 : Автор(ы): E.M. van Wijk (Australia)
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Exchange of wandering albatrosses Diomedea exulans between the Prince Edward and Crozet Islands: implications for conservation
Abstract: Exchange of 61 wandering albatrosses Diomedea exulans has been recorded between the ... French Crozet Islands and the South African Prince Edward Islands, 1 068 km apart in the Southern Ocean ... . Most movements of banded birds (57) have been westwards, from the Crozets to the Prince Edwards. In all ... only one fledgling from Marion Island has been recorded breeding on Possession. The wandering ...
Meeting Document : WG-EMM-03/41 : Автор(ы): J. Cooper (South Africa) and H. Weimerskirch (France)
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Verification of the CMIX procedure on species with known age-length keys
surveys using the method of W.K. de la Mare (1994) is a conventional procedure in the WG-EMM and WG-FSA ... practice. Verification of the method was made on the materials on the Baltic cod collected in the ICES ... Subarea 26. Age-length keys for 1995-2001 and length frequency data obtained during the surveys carried ... the estimates of age composition proportions calculated using the CMIX method from those determined ...
Meeting Document : WG-FSA-SAM 03/5 : Автор(ы): P. Gasiukov (Russia)
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Variation in standing stock of the mackerel icefish Champsocephalus gunnari at South Georgia
Abstract: 1. Bottom trawl surveys on the South Georgia shelf indicate episodic declines in the ... abundance of the mackerel icefish Champsocephalus gunnari that, since 1990, are not directly attributable to ... commercial fishing. 2. The greatest effect has been observed in years when krill are known to have been ... scarce on the South Georgia shelf. 3. It is thought that C. gunnari survivorship is closely related to ...
Meeting Document : WG-FSA-99/63 : Автор(ы): I. Everson, G. Parkes (United Kingdom), K.-H. Kock (Germany) and I. Boyd (United Kingdom)
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ANALYSIS OF ICE-FISH (CHAMPSOCEPHALUS GUNNARI) SPATIAL DISTRIBUTION FOR OPTIMIZATION OF THE BOTTOM TRAWL SURVEY SAMPLING
Abstract: Acoustic and trawl samples obtained in the near-bottom layers covered by bottom trawl ... surveys in the South Georgia area are analyzed. The high heterogeneity of horizontal and vertical fish ... distribution in the near-bottom layers within the surveyed area is shown. Influence of this fish distribution ... heterogeneity on trawl surveys efficiency and reliability is analyzed by simulating the impact on fish biomass ...
Meeting Document : WG-SAM-09/20 : Автор(ы): S.M. Kasatkina (Russia)
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FURTHERING IMPLEMENTATION OF NETWORKS OF MPAS IN ANTARCTICA AND THE SOUTHERN OCEAN
Abstract: In this paper ASOC makes the case for CCAMLR to move swiftly to begin the process of ... reserves in the Southern Ocean. Recent progress on the global agenda to implement of marine protected areas ... on the high seas is discussed to inform and spur action. This process should be informed by extensive ... information from within CCAMLR, the Madrid Protocol and other international bodies to inform decisions on ...
Meeting Document : CCAMLR-XXVII/BG/26 : Автор(ы): Submitted by ASOC
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