Résultats de la recherche
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Krill distribution variability and fishery conditions within the local ground of Subarea 48.3 in June 1991
coefficient of catch per a houl of BMRT type vessel amount to V = 0.7, that of a trawl catchability V = 0.197 ... coefficient of possible catch per fishing day (over 24 hours) is only V = 0.13. At considerable variations of ... krill distribution characteristics daily catch of vessels with higly efficient technological equipment ... , such as catch per an hour haul, is more sensitive. Author(s): Kasatkina, S.M. Title: Krill ...
Meeting Document : WG-EMM-95/04 : Auteur(s): Kasatkina, S.M.
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Fishes caught along with the Antarctic krill in the vicinity of the South Shetland Islands during the austral summer months of 1994
Abstract: Observations on abundance of by-catch fishes were made during the austral summer months ... in 25 trawl catches (Table 1). Among by-catch fishes, juvenile Lepidonotothen larseni was the most ... of krill concentration (Figs. 1 and 2). The large incidental catch of fishes occurred in hauls with ... the low krill catch rates (Hauls. 36 and 47), and fishes are not found or rare within krill swarms of ...
Meeting Document : WG-Krill-94/25 : Auteur(s): T. Iwami (Japan)
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Distribution and abundance of skates (Bathyraja spp.) on the Kerguelen Plateau through the lens of the toothfish fisheries
as incidental by-catch in Patagonian toothfish (Dissostichus eleginoides) longline and trawl ... extending from the islands. Catch rates were modelled using zero-inflated GAMs and GLMs. The catch rates of ... decline in catch rate over the years of the HIMI fishery. Although all skates are returned to the water ... Kerguelen in the time period. This study provides the first review of skate by-catch across both the HIMI ...
Meeting Document : WG-FSA-16/P03 : Auteur(s): G.B. Nowara, P. Burch, N. Gasco, D.C. Welsford, T.D. Lamb, C. Chazeau, G. Duhamel, P. Pruvost, S. Wotherspoon and S.G. Candy
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Length-based assessments revisited – why stock status and fishing mortality of long-lived species such as toothfish cannot be inferred from length-frequency data alone
about using unstandardised catch rate data have led to a desire to draw inferences about stock status ... - cautionary catch limits. The intent of the data col- lection is to provide sufficient data from research and ... the precautionary catch limits. For new and exploratory fisheries of Patagonian toothfish ... referenced catch and effort data, catch length-frequency data, tag-recapture data, and otoliths or scales ... , 2010, paragraph 5.7). However, robust advice on catch limits according to CCAMLR decision rules has ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 57–73 : Auteur(s): Ziegler, P.E., D.C. Welsford and A.J. Constable
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e-cc-xx-a5.pdf
... France pointed out that the present implementation of the Catch Documentation Scheme for Dissostichus ... exported with a Dissostichus Catch Document (DCD) (SCOI-01/23). This indicated the concern that the CDS ... the form of fish product landed, the statistical area where the catch was harveste d and how the ... catch origins were identified, and that no replies had been received to correspondence from the
application/pdf attached to:SCOI-01Meeting Report : SCOI-01
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Different CPUE types in Soviet krill fishery statistics in 1977–1992
and primary data for their calculations were considered. The main CPUE indices were catch per fishing ... day (CFD), catch per extended fishing day (CEFD) and catch per hour (CH). The primary data for all the ... calculations were catch per haul and haul duration. There is rather high correlation between mean monthly ...
Meeting Document : WG-EMM-03/35 : Auteur(s): F.F. Litvinov, A.Z. Sundakov and V. Arkhipov (Russia)
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Krill fishery information
/99 caught 103318 t of krill, and preliminary information indicates that the catch in 1999/00 will ... exceed 82913 t. Krill caught in 1998/99 was taken in Subareas 48.1 (38% of total catch), 48.2 (49%) and ... 48.3 (13%). As in recent past years, only grounds in Area 48 were fished. Catch and effort data and ...
Meeting Document : WG-EMM-00/25 : Auteur(s): Secretariat
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Comparative studies on the biological and acoustical properties of krill aggregations (Euphausia superba Dana) samples during the XIII Italian Expedition to the Ross Sea (December 1997–January 1998)
catch data and the one obtained by processing acoustic data, acquired during the net sampling; (2) to ... biological variables, extracted from catch data;. The analysis of the biological parameters seems to indicate ... ). The analysis of acoustic and catch data indicate that: (1) the acoustic discrimination between the two ... (around 9%less) to the mean catch values; (3) The numerical abundance of the krill, estimated by the fluid ...
Meeting Document : WG-EMM-00/39 : Auteur(s): M. Azzali, J. Kalinoswki, G. Lanciani and I. Leonori (Italy)
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Estimating the biodiversity of the sub-Antarctic Indian part for ecoregionalisation: Part I. Pelagic realm of CCAMLR areas 58.5.1 and 58.6
be low in the north, consistent with the limit of the main distribution of the species. The quasi ...
Meeting Document : WS-MPA-11/10 : Auteur(s): P. Koubbi (France), P.A. Hulley (South Africa), B. Raymond (Australia), F. Penot, S. Gasparini, J.P. Labat, P. Pruvost (France), S. Mormède (New Zealand), J.O. Irisson, G. Duhamel and P. Mayzaud (France)
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Inventaire des données de la CCAMLR
The Data Centre holdings include: fishery data catch and effort reports haul-by-haul catch, effort ... Monitoring System (VMS) Catch Documentation Scheme (CDS) transhipments fishery notifications (new ...
Page : Site Section: Data