Résultats de la recherche
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Stones in toothfish stomachs: an unusual source of geological information from closed regions of Antarctic shelf and slope
Abstract: The rocks from stomachs of Dissostichus mawsoni were used as a source of geological ... stones may be used for geological description of the closed areas of Antarctic shelf and slope. In this ... respect, Dissostichus mawsoni may be considered as a «dredge» with a wide area of sampling. Preliminary ... analyses allow qualitative estimation of geological structure of Antarctic shelf and continental slope in ...
Meeting Document : WG-FSA-07/58 : Auteur(s): N.V. Kokorin, D.S. Klucharev and M.A. Sukhoruchenkov (Russia)
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Preliminary assessment of mackerel icefish (Champsocephalus gunnari) in the vicinity of Heard Island and McDonald Islands (Division 58.5.2), based on a survey in July 2007, using the generalised yield model
Abstract: A survey of mackerel icefish, Champsocephalus gunnari, was undertaken in Division ... 58.5.2 in the vicinity of Heard Island in July 2007 to provide the information for an assessment of short ... -term annual yield in the 2007/2008 CCAMLR season. This paper provides a preliminary assessment of yield ... for the area of Division 58.5.2 to the west of 79o 20’ E using standard CCAMLR methods. Evidence of ...
Meeting Document : WG-FSA-07/47 : Auteur(s): D.C. Welsford (Australia)
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Structure and distribution of the slope fish community in the vicinity of the sub-Antarctic Prince Edward Archipelago
(depth range 200-1500 m) of the sub-Antarctic Prince Edward Islands and surrounding sea rises have been ... investigated during the pilot survey conducted in April 2001 onboard fishing vessel MV Ibis. A total of 56 fish ... taxa were collected during the survey, of which 43 were identified to species level, 8 to the genus ... sampling depth and near-bottom temperature explained 56% of both total fish CPUE and diversity variation ...
Meeting Document : SC-CAMLR-XXIII/BG/20 : Auteur(s): Delegation of South Africa
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The rate of incidental mortality of birds in the IUU longline fishery in Subarea 48.3
Abstract: Information on the rates of incidental mortality of birds experienced by IUU vessels is ... large number of birds were caught and when the implementation of mitigation measures was low, to ... estimates of IUU bird catch rates for use in our analysis of the impact of IUU fishing in Subarea 48.3 (WG ... -FSA-02/4). Author(s): D.J. Agnew and G.P. Kirkwood (United Kingdom) Title: The rate of incidental ...
Meeting Document : WG-FSA-02/5 : Auteur(s): D.J. Agnew and G.P. Kirkwood (United Kingdom)
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Distribution, biological characteristic and biomass of icefish from the results of inventory trawling survey carried out by STM-8390 Atlantida in January–March 2002
Abstract: Results of the inventory trawling survey of icefish carried out by Russian vessel STM ... foraging. Champsocephalus gunnary 22-28 cm in length at the age of 2-3 predominated on all grounds of the ... Subarea, except the north-eastern part. During the survey, specimens 15 cm in length at the age of 2 ... prevailed in pelagic catches. Peculiarity of Ch. gunnary biology in 2002 consisted in high internal fatness ...
Meeting Document : WG-FSA-02/79 : Auteur(s): Zh.A. Frolkina and P.S. Gasiukov (Russia)
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IDENTIFYING PATTERNS IN DIET OF MACKEREL ICEFISH (CHAMPSOCEPHALUS GUNNARI) AT SOUTH GEORGIA USING BOOTSTRAPPED CONFIDENCE INTERVALS OF A DIETARY INDEX
confidence intervals for an index of relative importance (% IRIDC) of prey categories. Diet varied ... ) fish tended to prey on a higher proportion of T. gaudichaudii and small euphausids such as Thysanoessa ... sp. and took smaller quantities of E. superba. In a season of poor krill availability (summer of 2003 ... -2004) the proportion of krill in the diet, stomach fullness and fish condition (indicated by length ...
Meeting Document : WG-FSA-08/29 : Auteur(s): C.E. Main, M.A. Collins, R. Mitchell and M. Belchier (UK)
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Preliminary results on by-catch of fishes caught by the fishery vessel Chiyo Maru No. 3 to the north of the South Shetland Islands (February to March, 1996)
Abstract: Investigations on by-catch of fishes captured during krill fishing by F/V Chiyo Maru No ... . 3 were made from 3 February to 6 March, 1996 to the north of the South Shetland Islands. Among 147 ... hauls examined, a total of 99 specimens belonging to 5 families and 14 species were captured as by-catch ... in 41 hauls. Notothenioid juveniles were found in 30 hauls carried out in waters with a depth of 87 ...
Meeting Document : WG-EMM-96/52 : Auteur(s): Ichii, T., Kawaguchi, S., Naganobu, M.
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Biomass of myctophids in the Atlantic sector of the Southern Ocean as estimated by acoustic surveys
Abstract: Acoustic surveys carried out in summer and autumn periods of 1987-1989 estimated the ... biomass of myctophids in the Atlantic sector of the Southern Ocean over the region between 48° and 56°S ... and from 8° to 48W at about 1.7 mill.t. Over the larger part of the surveyed area the fish were sparse ... , their dense concentrations composed predominantly of one myctophid species Electrona carlsbergi occurred ...
Meeting Document : WG-FSA-90/19 : Auteur(s): A.A. Filin, K.V. Gorchinsky and V.M. Kiseleva (USSR)
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Variants of the ASPM assessment of the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity which attempt to reconcile CPUE and catch-at-length data
Abstract: Two variants of the ASPM assessment of the Prince Edward Islands toothfish resource are ... examined. One allows for the possibility of changes in somatic growth rate in response to increased food ... -recruitment relationship. A fit of the first variant yields the biologically implausible result of a decrease ... processes. Therefore, unfortunately, neither of the variants examined appears able to resolve the ...
Meeting Document : WG-FSA-SAM-04/12 : Auteur(s): Brandão, A., Butterworth, D.S.
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At-sea distribution and diet of an endangered top predator: links of white-chinned petrels with commercial longline fisheries
conservation concern. To build conservation strategies it is essential to estimate likelihood of seabird ... bycatch and amount of overlap between bird’s foraging and commercial fishing areas. We tracked 21 adult ... , during breeding period in 2006 and 2008. At-sea foraging distribution of white-chinned petrels was mainly ... French Exclusive Economic Zone (EEZ) and other Commission for the Conservation of Antarctic Marine Living ...
Meeting Document : WG-FSA-10/P01 : Auteur(s): K. Delord, C. Cotté, C. Péron, C. Marteau, P. Pruvost, N. Gasco, G. Duhamel, Y. Cherel and H. Weimerskirch