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A simple approach for calculating the potential yield of krill from biomass survey results
Abstract: Estimates are calculated for the parameter λ in the yield equation Y = λ M B0 for a ... kri11 fishery in which both the fishery and kri11 growth are seasonal. The criterion used for the ... calculations is that the probability that the kri11 spawning biomass drops below 20% of its average pre ... -exploitation level over a 20 year period of harvesting should not exceed l0%. The value of λ depends strongly ...
Meeting Document : WG-KRILL-91/24 : Автор(ы): D.S. Butterworth (South Africa) and M. Basson (United Kingdom)
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Krill: the power lunch of Antarctica
coverage on board krill vessels, identifying priority objectives for research and development in support of ... the management of the krill fishery, conducting a new krill synoptic survey, keeping the trigger level ... procedures with the aim of reducing speculative notifications, and requiring mandatory ice-strengthening for ... krill fishing vessels. Author(s): Submitted by ASOC Title: Krill: the power lunch of Antarctica ...
Meeting Document : CCAMLR-XXXIII/BG/25 : Автор(ы): Submitted by ASOC
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Nesting behaviour of the icefish Chaenocephalus aceratus at Bouvetøya Island, Southern Ocean (CCAMLR Subarea 48.6)
Abstract: In this paper we describe in situ observations on nesting by the Scotia Sea (or ... blackfin) icefish Chaenocephalus aceratus that constitute the first substantive evidence of egg brooding ... and parental care by species of the family Channichthyidae. These novel observations are enriched by ... descriptions of the seafloor community that is impacted by fish nesting. Given the vulnerability of spawning ...
Meeting Document : WG-FSA-04/26 : Автор(ы): H.W. Detrich III, C.D. Jones, S. Kim (USA), A.W. North (United Kingdom), A. Thurber (USA) and M. Vacchi (Italy)
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Preliminary insights of Antarctic toothfish sub-adults life-history traits from the southern Weddell Sea (Subarea 48.5)
Abstract: A few sub-adults of the Antarctic toothfish (Dissostichus mawsoni) were collected by ... bottom trawling carried out by the RV Polarstern in the southern Weddell Sea (Subarea 48.5) (PS82, ANT ... -Larsen Ice Shelf. In this document we report first data on individual age, gonad stage of maturity and ... -XXIX/9, 19 December 2013- 5 March 2014). Fishes were caught on the shelf and slope off the Riiser ...
Meeting Document : WG-FSA-18/06 : Автор(ы): M. La Mesa, F. Donato and E. Riginella
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Tracer trajectories from the western shelf of South Georgia: ship displacement data
the west of South Georgia. The data were collected over a six-week period during 1986. A distance ... weighted interpolation was used to obtain tracer trajectories in this irregular data grid. The vector field ... . Particles getting onto the shelf become retained with little escape after a run of 100 days. Some of the ... trajectories are extremely complex. Particles to the north of the shelf can get up onto the shelf. Only those ...
Meeting Document : WS-Flux-94/10 : Автор(ы): E.J. Murphy, I. Everson and C. Goss (United Kingdom)
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Biodiversity of the benthos off Kerguelen Islands: overview and perspectives
number of species recorded from the Kerguelen has substantially increased. From 172 species reported by ... Arnaud (1974), the total number of species has increased dramatically to 735 (Jouventin et al., 1996) and ... then to 960 in the present study. This area is particularly vulnerable to human activities and global ... northern limit of the Polar Front is probably one of the best study areas to (1) monitor the impact of ...
Meeting Document : WS-MPA-11/P03 : Автор(ы): N. Améziane, M. Eléaume, L.G. Hemery, F. Monniot, A. Hemery, M. Hautecoeur and A. Dettaï
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The use of predator-derived krill length-frequency distributions to calculate krill target strength
in the length-frequency distribution of krill over a period of few weeks produced a 10 % difference ... ecosystem based approach to resource management. We propose a method using krill sampled from the diet of ... krill biomass at times of the season hitherto unavailable from ship-board scientific surveys. Author(s ... ): K. Reid and A.S. Brierley (United Kingdom) Title: The use of predator-derived krill length ...
Meeting Document : WG-EMM-00/42 : Автор(ы): K. Reid and A.S. Brierley (United Kingdom)
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A brief exploitation of the stone crab Lithodes murrayi (Henderson) off south west Africa, 1979/80
crabs were present in small numbers over a much larger area. Over 90 per cent of the fishing effort was ... applied in this area of high concentration, accounting for almost 95 per cent by mass of the total catch ... . Although the catch rate declined, the mean size of exploitable crabs and of undersize crabs stayed ... uneconomic level. The extent of the L. murrayi grounds is examined on the basis of catch-per-unit-effort data ...
Meeting Document : WS-CRAB-93/21 : Автор(ы): R. Melville-Smith (South Africa)
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Progress report of the CEMP Special Fund overwinter penguin tracking project
the CEMP Special Fund in 2015/16. With the assistance of the Secretariat, we purchased 150 ARGOS-based ... Abstract: We provide a brief update on the progress of our project “Tracking the overwinter ... habitat use of krill-dependent predators from Subarea 48.1”. The project was initiated with support from ... tags). Data collection continues for one juvenile penguin and 50 adult penguins as of 13 June 2017. In ...
Meeting Document : WG-EMM-17/07 : Автор(ы): J. Hinke, G. Watters, M. Santos, M. Korczak-Abshire, G. Milinevsky and V. Lytvynov
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Development of the CCAMLR Marine Protected Area (MPA) Information Repository (CMIR)
completion in October 2019, with outcomes including the deployment of the CMIR host server, a project ... submission portal, and developed workflow. The principal aim of Phase 1 is to have infrastructure in place ... Abstract: This paper reports on the development of the CCAMLR MPA Information Repository (CMIR ... that will support submission and hosting of MPA project data. The Secretariat will provide support to ...
Meeting Document : SC-CAMLR-38/BG/04 : Автор(ы): CCAMLR Secretariat
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