Résultats de la recherche
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BOOK REVIEW: WHALES OF THE SOUTHERN HEMISPHERE: BIOLOGY, WHALING, AND PERSPECTIVES OF POPULATION RECOVERY by Y. A. Mikhalev
Abstract: Examined the distribution and migration patterns of whales in the Southern Hemisphere ... . The presence of a new species of killer whale in the Antarctic, Orcinus nana, is shown. The impacts of ... extermination of whales in the Antarctic ecosystem are examined. Regions are defined which could be used as ... THE SOUTHERN HEMISPHERE: BIOLOGY, WHALING, AND PERSPECTIVES OF POPULATION RECOVERY by Y. A. Mikhalev ...
Meeting Document : WG-FSA-09/11 : Auteur(s): Delegation of Ukraine
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A bioenergetics model assessment of the prey consumption of Adélie penguins in Subarea 48.1 and 48.2
Abstract: We present a preliminary analysis to estimate the consumption of prey by Adélie ... penguins Pygoscelis adeliae in Subareas 48.1 and 48.2 during the period when penguins are constrained by ... breeding. We parameterised our analysis using data from the population of Adélie penguins breeding at Signy ... Island, South Orkneys. We show that the highest levels of consumption occur during the crèche and pre ...
Meeting Document : WG-EMM-17/32 : Auteur(s): C. M. Waluda, L. Emmerson, C. Southwell and P.N. Trathan
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Integrating Climate and Ecosystem Dynamics in the Southern Ocean (ICED) program: developing ICED and CCAMLR joint activities
Abstract: The Integrating Climate and Ecosystem Dynamics in the Southern Ocean (ICED) programme ... , the implications for ecosystems and for management. ICED’s current major focus is to build on this ... Ocean ecosystems. This will be achieved through the analysis and integration of available data together ... valuable information for ecosystem-based management in the region. Following discussions between ICED and ...
Meeting Document : WG-EMM-17/36 : Auteur(s): E. Murphy on behalf of ICED SSC
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Sharks by-catch observed on bottom longlines fishery off the Kerguelen Islands in 2006–2016, with a focus on Etmopterus viator
bycatch within the Kerguelen EEZ (northern part of the plateau). From 2006 to 2016, crew reported the ... total catches of the line and observers were asked to identify and count fish bycatch on 25% of the ... distributions of the shark bycatch species and their relative abundance. Length-frequency for E. viator showed a ... bimodal distribution characterizing a long-lived species and stopping growth of adults. The study also ...
Meeting Document : WG-FSA-18/25 : Auteur(s): C. Chazeau, S.P. Iglésias, N. Gasco, A. Martin and G. Duhamel
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Autoliners and seabird by-catch: do line setters increase the sink rate of integrated weight longlines?
vessels in the Kerguelen and Crozet Islands Patagonian toothfish fisheries to deter seabirds, ostensibly ... by expediting gear sink rates. A trial was conducted in the Ross Sea in 2007 to determine the ... longlines set with and without a line setter were identical, including in the first few metres of the water ... column where seabird interactions are likely to be most intense. The results reveal that line setters ...
Meeting Document : WG-FSA-07/13 : Auteur(s): G. Robertson (Australia), J. Williamson, M. McNeill (New Zealand), S. Candy (Australia) and N. Smith (New Zealand)
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Proposal to extend the fishing season for longline fishing in CCAMLR Statistical Division 58.5.2
Abstract: This paper summarises the historic effort and seabird bycatch mitigation measures that ... have applied to the Patagonian toothfish longline fishery in CCAMLR statistical division 58.5.2. It ... suggests that there is now sufficient experience to show that fishing under the current season timing and ... regime of mitigation measures poses a very low level of risk to seabirds. It proposes that the period ...
Meeting Document : WG-FSA-07/17 : Auteur(s): I. Hay (Australia)
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Results of the tagging experiment for (D. eleginoides) in Subarea 48.4, 2007 update
Abstract: 1. During the 2006/07 fishing season one UK and one New Zealand vessel fished in ... distributions of abundance around the fishing area. There were two tag recaptures in 2007, both of D ... . eleginoides. These were recaptured 84km and 14km from their points of release. 3. The UK proposes to continue ... the mark-recapture experiment in Subarea 48.4 in 2007/08. Initial estimates of population size will be ...
Meeting Document : WG-FSA-07/32 : Auteur(s): J. Roberts and D.J. Agnew (United Kingdom)
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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 : Auteur(s): 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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Estimation of the incidental capture of seabird species in commercial fisheries in New Zealand waters, 2001/02
observed trawl-caught seabirds. Demersal and surface longline fisheries had the highest incident rates ... observed domestic tuna sets in northern waters, 22% of observed chartered Japanese longlines off the ... southern west coast of the South Island, and 10% of observed ling sets. About 1% of observed hoki tows in ... the main fishery areas had incidental captures, compared with 9% of observed squid trawls. Observed ...
Meeting Document : WG-FSA-04/56 : Auteur(s): S.J. Baird (New Zealand)
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Some comments on the procedure of krill target strength assessment in echosurveys
Abstract: The impact of midwater trawl selectivity and catchability upon TS and TS 1 kg estimates ... . Application of the proposed method of mean weighted TS 1 kg estimation provides the biomass estimation ... determined actually only by MSBS (or MVBSS) acoustic parameter distribution and independent on the midwater ... : assessment of MSBS (MVBS) acoustic parameter distribution and krill length (weight) distribution in the study ...
Meeting Document : WG-EMM-98/21 : Auteur(s): S.M. Kasatkina (Russia)