Résultats de la recherche
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Stock assessment of the mackerel icefish, Champsocephalus gunnari (Lönnberg, 1906) in Subarea 48.3 for the 1991/91 season, using virtual population analysis
Abstract: An assessment of the Champsocephalus gunnari fishery in sub-area 48.3 using VPA from ... catches in the near future on the basis of a target F is questioned Author(s): G. Parkes (United Kingdom ... ) Title: Stock assessment of the mackerel icefish, Champsocephalus gunnari (Lönnberg, 1906) in Subarea ... . Potential TAC levels are calculated, based on the F0.1 management strategy, however, the wisdom of limiting ...
Meeting Document : WG-FSA-91/15 : Auteur(s): G. Parkes (United Kingdom)
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On the problem of icefish (Champsocephalus gunnari) (Channichthyidae) and krill (Euphausia superba) interaction in the South Georgia area
Abstract: The interaction of icefish and krill in the South Georgia area has been analysed on the ... the same time krill content in the food of different length groups varied. The effect of krill on ... basis of the trawling, acoustic and juvenile fish surveys carried out by AtlantNIRO during 1986-2002 and ... the data of the national fishery. It is demonstrated that?.gunnari both at the early development ...
Meeting Document : WG-FSA-04/41 : Auteur(s): S.M. Kasatkina and Zh.A. Frolkina (Russia)
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Information on the spawning season and gonadosomatic indices of Dissostichus mawsoni from Subarea 88.1 in the 2001/02 season
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 ... 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 ...
Meeting Document : WG-FSA-02/31 : Auteur(s): G.J. Patchell (New Zealand)
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CPUEs and body length of Antarctic krill during 1994/95 season in the fishing grounds around the South Shetland Islands
. Main fishing grounds were persistently formed in the north of Livingston Island throughout the season ... (except April), and around Elephant Island during April to May. CPUEs in the fishing to the north of ... Elephant Island Krill with a modal length of 48-50mm were dominant in catches, extreamly larger than the ... Antarctic krill during 1994/95 season in the fishing grounds around the South Shetland Islands Approval ...
Meeting Document : WG-EMM-96/47 : Auteur(s): Naganobu, M., Ichii, T., Kawaguchi, S.
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How much is enough? analysis of the net sampling effort in the Elephant Island area necessary to adequately assess and describe krill and zooplankton assemblages during summer
interspecific relations of krill, salps and other macrozooplankton taxa in the Elephant Island area during ... relations of krill, salps, and other zooplankton taxa in the Elephant Island area. Author(s): Loeb, V ... . Title: How much is enough? analysis of the net sampling effort in the Elephant Island area necessary to ... Abstract: Data from 1995-1997 US Antarctic Marine Living Resources (AMLR) Program surveys in the ...
Meeting Document : WG-EMM-97/32 : Auteur(s): Loeb, V.
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An exploration of the biological data used in the CCAMLR Subarea 48.3 Patagonian toothfish stock assessments
subarea 48.3 are analysed here, particularly whether the proportion of females in the catch, maturity at ... or maturity through time, after the effects of confounding factors were included in the analysis ... change. The Working Group recommended that key assessment parameters be reviewed and that changes in the ... fishery dynamics that would impact their estimation be explored. The biological productivity parameters in ...
Meeting Document : WG-SAM-2019/32 : Auteur(s): E. MacLeod, K. Bradley, T. Earl, M. Söffker and C. Darby
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Quantifying the impacts of ice on demersal longlining in CCAMLR Subarea 88.1 with updated information on the 2014/15 season
Abstract: The effect of sea ice is acknowledged as a major influence on fishing operations in ... was presented in WG-FSA-14/55 to quantify the level of impact that ice conditions have on fishing by ... (New Zealand) Title: Quantifying the impacts of ice on demersal longlining in CCAMLR Subarea 88.1 with ... for fishing ranking overall as the third worst in the sixteen-year series. We recommend that the ...
Meeting Document : WG-FSA-15/35 : Auteur(s): J.M. Fenaughty and S.J. Parker (New Zealand)
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Patterns in the diet of mackerel icefish (Champsocephalus gunnari) on the South Georgia and Shag Rocks shelf (CCAMLR Subarea 48.3)
Kingdom) Title: Patterns in the diet of mackerel icefish (Champsocephalus gunnari) on the South Georgia ... Abstract: The diet of the mackerel icefish was investigated from stomach contents analysis of ... fish caught in research trawls at South Georgia and Shag Rocks in January 2004. The results are ... ), the pelagic amphipod (Themisto gaudichaudi) and mysids. The diet differed between the age classes of ...
Meeting Document : WG-FSA-04/44 : Auteur(s): M.A. Collins, R. Mitchell, G. Tarling and M. Belchier (United Kingdom)
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CPUEs and body length of Antarctic krill during 1995/96 season in the fishing grounds around the South Shetland Islands
. Main fishing grounds were persistently formed in the north of Livingston Island throughout the season ... . CPUE in December was high but from January through June CPUE was comparable to the value of Livingston ... area in the previous fishing season. From January through early May, modal size of krill differed ... season in the fishing grounds around the South Shetland Islands Approval: Approved ...
Meeting Document : WG-EMM-97/36 : Auteur(s): Naganobu, M., Kawaguchi, S., Ichii, T.
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Hook selectivity in the longline fishery of Dissostichus eleginoides (Nototheniidae) off the Chilean coast
size of hooks used in the longlines. Original data obtained during 1991 on the coast of Valdivia, South ... straight to circle. Author(s): C.A. Moreno (Chile) Title: Hook selectivity in the longline fishery of ... fisheries of the patagonian toothfish Dissostichus eleginoides related with the selectivity of the type and ... . The size frequency of the population collected with straight hooks No3 and 4 are not significatively ...
Meeting Document : WG-FSA-91/11 : Auteur(s): C.A. Moreno (Chile)