Résultats de la recherche
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A method to evaluate selection of Antarctic krill in towed fishing gears
selectivity by mathematical modeling. After making modifications with the procedures in FISHSELECT to ... Abstract: The pelagic trawlers involved in the fishery for Antarctic krill (Euphausia superba ... ) apply different trawl designs. Very little information exists on the size selectivity of E. superba ... is valuable information for the management of harvested marine stocks. Size selectivity data is ...
Meeting Document : WG-EMM-13/34 : Auteur(s): L.A. Krag, B. Herrmann (Denmark), S. Iversen, A. Engås, S. Nordrum and B.A. Krafft (Norway)
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Development in maturity stage composition and vertical distribution in an Antarctic krill (Euphausia superba) hotspot
towards the end of the reproductive season, during 29 January to 1 March 2009, and during the study, the ... ecosystems and also for the krill fishing industry. Despite the importance of such krill hotspots, their ... spawning state is not well described or understood. In the present study, a krill fishing vessel during ... demographic composition and the continuous acquisition of acoustic data for studying their distribution within ...
Meeting Document : WG-EMM-14/15 : Auteur(s): B.A. Krafft, G. Skaret and T. Knutsen (Norway)
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A study of Patagonian toothfish (Dissostichus eleginoides) post tagging survivorship in Subarea 48.3
Abstract: During the 2005 fishing season experiments on the survivorship of post-tag toothfish ... animals were included in the final analysis, with an overall survivorship of 89%. There were significant ... tag effectively and, perhaps, in experiments such as this if handling stress is increased. The results ... , and then were kept in tanks with varying degrees of seawater replacement for at least 12 hours after ...
Meeting Document : WG-FSA-05/19 : Auteur(s): 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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An assessment of temporal variability and interrelationships between CEMP parameters collected on Adélie penguins at Béchervaise Island
time they depart after egg laying would appear to be the first indication that a season may have low ... Abstract: We examined temporal variability in a series of CEMP parameters collected over the ... the other parameters were more stable. We also explored the correlation between CEMP parameters, and ... the correlation of each parameter with breeding success. Breeding success was measured in terms of 1 ...
Meeting Document : WG-EMM-02/46 : Auteur(s): L.M. Emmerson, J. Clarke, K. Kerry and C. Southwell (Australia)
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Multinational large-scale krill synoptic survey in CCAMLR Area 48 in 2019 – survey plan and protocol for consideration by SG-ASAM 2018
Abstract: The objective for the Multinational Large-Scale Krill Synoptic Survey in CCAMLR area 48 ... in 2019 is to provide an updated estimate of the biomass of Antarctic krill (Euphausia superba) used ... in models to estimate sustainable yield. The planned survey follows, as close as possible, the design ... of the CCAMLR 2000 survey, that was undertaken in the year 2000. The basis for comparisons will ...
Meeting Document : SG-ASAM-18/07 : Auteur(s): B.A. Krafft, O.A. Bergstad, T. Knutsen, G. Skaret and G. Macauley
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RECRUITMENT AND BODY SIZE IN RELATION TO TEMPERATURE IN JUVENILE PATAGONIAN TOOTHFISH (DISSOSTICHUS ELEGINOIDES) AT SOUTH GEORGIA
commercially important, deepwater nototheniid fish, was examined at the sub-Antarctic island of South Georgia ... . Abundance of the 1+ juvenile fish cohort (13 to 15 month old dependent on survey date) was found to vary ... inter-annually and was found to be inversely correlated with the sea surface temperature (SST ... and larvae were not significantly correlated with juvenile density. The mean length of 1+ fish ...
Meeting Document : WG-FSA-08/P02 : Auteur(s): M. Belchier and M.A. Collins
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Proposition portant création d'une aire marine protégée dans la région de la mer de Ross
Report). After careful consideration of that advice, the proposal has been revised. Among the key ... Abstract: The delegations of New Zealand and the United States submit this revised proposal for ... the establishment by the Commission for the Conservation of Antarctic Marine Living Resources ... (Commission or CCAMLR) of a marine protected area (MPA) in the Ross Sea Region (“Ross Sea Region Marine ...
Meeting Document : CCAMLR-XXXII/27 : Auteur(s): Delegations of New Zealand and the USA
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Beach debris survey Signy Island, South Orkney Islands 1997/98
from three study beaches, Cummings Cove, Foca Cove and Starfish Cove after the prolonged presence of ... Abstract: The eighth annual beach debris survey was carried out at Signy Island (UK), South ... Orkney Islands during the 1997/98 austral summer. Debris was cleared each month between January and March ... sea ice around the South Orkney Islands prevented the base from opening until 12 January. The debris ...
Meeting Document : CCAMLR-XVII/BG/20 : Auteur(s): Delegation of the United Kingdom
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Spatio–temporal dynamics of Antarctic krill fishery: identification of fishing hotspots
Abstract: Antarctic krill is a key species in the Southern Ocean food web and is also the target ... of the greatest fishery in Antarctic waters. Management of the fishery is based on a precautionary ... catch limit, representing 0.11 the allowable catch limit for CCAMLR Area 48, and further divided by ... subarea. Despite that the fishery is operating in the Antarctic Peninsula area since 1980s, the spatial ...
Meeting Document : WG-EMM-16/52 : Auteur(s): F. Santa Cruz, B. Ernst and J.A. Arata
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Otolith elemental signatures reveal habitat shift of Electrona carlsbergi
across different fronts into the Antarctic waters from the warmer waters after age 1. E. carlsbergi with ... which circumpolar distributed between the warm waters of the subtropical confluence zone and the ... Southern Ocean. The distribution, life history and migration pattern of this species were examined using ... the biological data in 1990s, however, the habitat shift of this species was still unclear. The ...
Meeting Document : WG-FSA-17/65 : Auteur(s): L. Wei and G.P. Zhu