Résultats de la recherche
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Preliminary assessment of long-term yield of Patagonian toothfish (Dissostichus eleginoides) for the Heard Island Plateau region (CCAMLR Division 58.5.2) based on a random stratified trawl survey in May 2004
Abstract: A survey of Patagonian toothfish, Dissostichus eleginoides,was undertaken in Division ... 58.5.2 in the vicinity of Heard Island in May 2004 to provide the information for an assessment of short ... -term annual yield in the 2004/2005 CCAMLR season. This paper provides a preliminary assessment of yield ... for the area of Division 58.5.2 to the west of 79 o 20’ E using standard CCAMLR methods. It presents a ...
Meeting Document : WG-FSA-04/76 : Auteur(s): C.R. Davies, T. Lamb, A.J. Constable and R. Williams (Australia)
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A preliminary assessment of mackerel icefish (Champsocephalus gunnari) in Division 58.5.2, based on results from the 2016 random stratified trawl survey
Abstract: The annual Random Stratified Trawl Survey was undertaken in Division 58.5.2 in the ... icefish population structure, abundance and yield for the area of Division 58.5.2 to the west of 79 o 20 ... the population. These projections indicate that catches of 561 t in the 2016/17 season and 402 t in ... : A preliminary assessment of mackerel icefish (Champsocephalus gunnari) in Division 58.5.2, based on ...
Meeting Document : WG-FSA-16/26 : Auteur(s): D. Maschette and D. Welsford
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Krill consumption by crabeater seals in CCAMLR Divisions 58.4.1 and 58.4.2
crabeater seals in this region in 1999/00 was estimated to be 3.8 (95% CI 2.4-6.0) million tonnes per year ... . This represents approximately 20% of the krill biomass estimated from acoustic surveys. Author(s): C ... crabeater seals in CCAMLR Divisions 58.4.1 and 58.4.2 Approval: Approved Secretariat Workflow Status ...
Meeting Document : WG-EMM-16/66 : Auteur(s): C. Southwell, J. Forcada, L. Emmerson, A. Constable, S. Kawaguchi and P. Trathan
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Data on krill, Euphausia superba Dana, consumption by coastal fishes in Division 58.4.2 (Kosmonavtov and Sodruzhestva Seas)
100-500 m in the area between 30 and 80°E, the total fish stock was evaluated to be 551.300 t ... fishes as its main consumers in the above areas. According to the data of trawlings in the depth range of ... different locations also. Proceeding form the total E.superba biomass assessment in the research areas, the ... USSR Title: Data on krill, Euphausia superba Dana, consumption by coastal fishes in Division 58.4.2 ...
Meeting Document : SC-CAMLR-X/BG/11 : Auteur(s): Delegation of USSR
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Biological characteristics of Antarctic fish stocks in the Southern Scotia Arc region
final maturation of the gonads takes one year or more whereas in others gonad maturation is completed ... within one season. Length at sexual maturity and length at first spawning in C. gunnari is one year later ... catches in the first four years of the fishery and the possibility to sample these catches extensively ... evidence for illegal fishing since the closure of the region some 10 years ago. Differences in length ...
Meeting Document : WG-FSA-99/16 : Auteur(s): K.-H. Kock (Germany), C. Jones (USA) and S. Wilhelms (Germany)
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Proposal to extend the fishing season for longline fishing in CCAMLR Statistical Division 58.5.2
have applied to the Patagonian toothfish longline fishery in CCAMLR statistical division 58.5.2. It ... three seabird bycatch limit. It also proposes that the 1–30 September period be included as part of the ... "core" season and the 3 seabird bycatch limit no longer apply in September. Author(s): I. Hay ... (Australia) Title: Proposal to extend the fishing season for longline fishing in CCAMLR Statistical Division ...
Meeting Document : WG-FSA-07/17 : Auteur(s): I. Hay (Australia)
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Information on the spawning season and gonadosomatic indices of Dissostichus mawsoni from Subarea 88.1 in the 2001/02 season
Dissostichus mawsoni were collected from Sub-area 88.1 in the 2001-2002 season by the New Zealand bottom ... longline vessels Janas and San Aotea II operating in the Exploratory Fishery. The onset of the spawning ... season was identified as late autumn (May). A significant difference in the condition of fish between ... recorded for females was 26% with a 7.5 kg ovary. The maximum GSI was 43% for a stage 3 male weighing 20 kg ...
Meeting Document : WG-FSA-02/31 : Auteur(s): G.J. Patchell (New Zealand)
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Report on Dissostichus mawsoni exploratory fishery research in East Antarctica (Divisions 58.4.1 and 58.4.2) between the 2011/12 and 2017/18 fishing seasons
the toothfish exploratory fishery in Divisions 58.4.1 and 58.4.2 between 2011/12 and 2017/18. Table 1 ... provides a summary of responses to the recommendations with references to the associated outputs in this ... paper or the new research plan (WG-FSA-18/59). In particular, this paper presents: Tag-overlap ... statistics at the scale of the research block (Figure 1) and the distribution of tags recaptured in research ...
Meeting Document : WG-FSA-18/58 Rev. 1 : Auteur(s): P. Yates and P. Ziegler
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Short note: By-catch of fishes caught by the krill fishing vessel Niitaka Maru in the South Georgia area (August 2007)
from 6 August to 30 August to the north of South Georgia Is. Among 87 net hauls quantitatively examined ... , by-catch fish was recognized in 26 trawl catches (29.9%) and only one fish was found as by-catch in ... krill CPUE and fish by-catch could be confirmed in the present study. Author(s): T. Iwami and M ... . Naganobu (Japan) Title: Short note: By-catch of fishes caught by the krill fishing vessel Niitaka Maru in ...
Meeting Document : WG-EMM-08/57 : Auteur(s): T. Iwami and M. Naganobu (Japan)
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Proposal for an acoustic krill biomass survey in CCAMLR Division 58.4.2
krill in CCAMLR Division 58.4.2 (the South West Indian Ocean Sector) in January-March 2006. The survey ... limit can be established by CCAMLR. The planned survey will utilise a standardised design as adopted in ... previous B0 surveys in the CCAMLR Area and will use a similar methodology for collecting an analysing the ... consist of 15 parallel transects between 30° and 80°E. The survey design is presented to WG-EMM for their ...
Meeting Document : WG-EMM-04/37 : Auteur(s): S. Nicol, S. Kawaguchi, T. Jarvis and T. Pauly (Australia)