Résultats de la recherche
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Déplacement proposé de la limite entre les sous-zones 88.1 et 88.2
Subarea 88.1 and Statistical Subarea 88.2 in order to harmonise with the exploratory fisheries for ... Dissostichus mawsoni in those subareas and with other conservation measures in force. The proposal would move ... the boundary of Subareas 88.1 and 88.2 from 170°W to 150°W with small-scale research units (SSRUs ...
Meeting Document : CCAMLR-XXXVII/22 : Auteur(s): CCAMLR Secretariat
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New Antarctic deep-sea weird leech (Hirudinida: Piscicolidae): morphological features and phylogenetic relationships
Sea at depths from 1,221 to 1,433 m, is described and compared with related taxa based on ... tubercles on the venter and dorsal segmental tubercles, an uncommon appearance of its anterior sucker with ... attributed, in part, to temporary associations of A. shandikovi n. sp. with its fish hosts and a need for ...
Meeting Document : WG-FSA-18/P01 : Auteur(s): A. Utevsky and S. Utevsky
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Can toothfish catches be used to predict the presence of vulnerable benthic invertebrate taxa?
fishing footprint. If high target species catch rates are associated with habitats where VMEs are found ... , impacts from fishing would be higher than if VMEs are distributed randomly with respect to fishing ... distributions, showing a high degree of spatial overlap with the fishery. File: 06parker-smith.pdf ... 91 124 Segments with AXT 10 2 12 12 36 Segments with CSS 2 5 8 173 188 Segments with GGW 9 17 3 58 ... CCAMLR is charged with assessing the poten- tial impact of fishing activities on vulnerable marine ... communities relative to the fishing footprint. If high target species catch rates are associated with ... with respect to fishing locations. This study used the catch of the six most common vulnerable ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 87–96 : Auteur(s): Parker, S.J. and M.H. Smith
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On the intensity of sampling krill trawl catches
be discerned (e.g., length-with-age). At present, and in the interests of both statistical rigour and ... grouped into 2 mm size classes; • biological implications associated with the detection of specific ... differences in length should be considered in conjunction with the need to collect information on maturity ... desired biological characteristics which are to be discerned (e.g., length-with-age). At present, and in ... implications associated with the detection of specific differences in length should be considered in ... conjunction with the need to collect information on maturity stages; • for most purposes a minimum sample ... also urged Members to report any difficulties experienced with the interim sampling procedure outlined ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 29–48 : Auteur(s): Miller, D.G.M.
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Fishery Report: Exploratory fishery for Dissostichus spp. (TOT) in Division 58.4.2
................................................................ 11 Throughout this report the CCAMLR fishing season is represented by the year in which that ... with a new fishery for Chaenodraco wilsoni, Lepidonotothen kempi, Trematomus eulepidotus and ... permitted in 2001 and 2002 in association with a new fishery for Macrourus spp. In 2003, the fishery for ... distribution was observed from 2003 to 2005, with broad modes at approximately 60–80 and 125–150 cm, while ...
Document : Site Section: Publications
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Cephalopods and mesoscale oceanography at the Antarctic polar front: satellite tracked predators locate pelagic trophic interactions
cephalopod concentrations, and sampled them with commercial and scientific nets to determine the relationship ... . A net survey was carried out with a commercial pelagic trawl, a rectangular midwater trawl 25 m2 ... features associated with the bathymetry of the northern end of the Northeast Georgia Rise and near a gap in ... the Falkland Ridge. The association of these mesoscale features with the bathymetry suggests that they ...
Meeting Document : WG-EMM-96/12 : Auteur(s): Murphy, E.J., Trathan, P.N., White, M.G., Bone, D.G., Hatfield, E.M.C., Rodhouse, P.G., Prince, P.A., Watkins, J.L.
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Development in maturity stage composition and vertical distribution in an Antarctic krill (Euphausia superba) hotspot
physical forcing (e.g. advection and retention). Some areas, often associated with topographical features ... dynamics over time with respect to spatial distribution and demographical composition of krill including ... generally a clear diel vertical migration pattern with deeper and vertically more compact swarms during ... daytime than night-time. However, there was days with very small differences in distribution between day ...
Meeting Document : WG-EMM-14/15 : Auteur(s): B.A. Krafft, G. Skaret and T. Knutsen (Norway)
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Catch removals due to killer and sperm whale interactions across sub-Antarctic fisheries
major human-wildlife conflict with socio-economic and ecological impacts globally. This study ... 2009 and 2016 with an overall annual mean of 837 t [95% CI 480-1,195 t], comprised of 317 t [232-403t ... varied between areas, with the largest estimates found at Crozet Islands, where on average 279 t [179-379 ... t] of toothfish was taken per year by killer and sperm whales between 2004 and 2018, equivalent to ...
Meeting Document : WG-FSA-2019/33 : Auteur(s): P. Tixier, P. Burch, F. Massiot-Granier, P. Ziegler, D. Welsford, M.-A. Lea, M.A. Hindell, C. Guinet, S. Wotherspoon, N. Gasco, C. Péron, G. Duhamel, R. Arangio, R. Tascheri, S. Somhlaba and J.P.Y. Arnould
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Quantifying within- and between-season variability in Adélie penguin fledgling weights: statistical and practical implications for detecting change
fledgling weights with a decline in resource availability, the consideration of total chick failure during ... severe food shortages and a possible change in variance associated with a change in the mean value. With ... reducing to 30 the number of birds weighed in a single 5-day period each year. If practical, this outcome ...
Meeting Document : WG-EMM-05/20 : Auteur(s): L. Emmerson, C. Southwell and J. Clarke (Australia)
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A study of Patagonian toothfish (Dissostichus eleginoides) post tagging survivorship in Subarea 48.3
, and then were kept in tanks with varying degrees of seawater replacement for at least 12 hours after ... tagging. On one vessel fish with a variety of injuries were selected to see if this affected recovery. 395 ... animals were included in the final analysis, with an overall survivorship of 89%. There were significant ...
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)