Résultats de la recherche
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Analysis of spatial and temporal structure in long-term krill fishery in the Area 48 and its relation to climate variability
Antarctic krill fishery in the Area 48 using the CCAMLR fishery data and time series of ААО induces ... switching observed in long-term fishery. Standardized CPUE index was used as an indicator of probable ... fishing regime switching. The peculiarity of such switching in the entire Area 48 and its Subareas 48.2 ... , 48.2 and 48.3 is considered. It was found that the significant switching of fishery regime occurred in ...
Meeting Document : WG-EMM-12/50 : Auteur(s): P. Gasyukov and S. Kasatkina (Russia)
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Assessment of the Action Plan aimed at reducing incidental catch of seabirds in the French EEZ included in the CCAMLR Division 58.5.1 and Subarea 58.6
incidental seabird mortality by half in the French EEZ included in the statistic division and subarea 58.5.1 ... global diminution of seabird incidental mortality. In addition to the sharp decrease in incidental catch ... of seabirds in the French EEZ (see statistical report), this document presents new proposals that ... France would like to implement in order to pursue its efforts to minimize incidental captures. Author(s ...
Meeting Document : WG-FSA-12/28 Rev. 1 : Auteur(s): C. Marteau and J. Ringelstein (France)
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On interim distribution of the trigger level in the fishery for Euphausia superba in Statistical Subareas 48.1, 48.2, 48.3 and 48.4
Abstract: Taking into account the practice and current state of krill fishery in Area 48, Ukraine ... proposed to upgrade the Conservation Measure 51-07 in order to redistribute the trigger level of catch in ... 620 000 tonnes between Subareas in Area 48 in a new percentage limits. This revision includes ... precaution conservation principles of the Convention and in the same time will not inflict an economic damage ...
Meeting Document : WG-EMM-16/56 : Auteur(s): G. Milinevskyi and K. Demianenko
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Size variations associated with abundance changes in juvenile Notothenia rossii observed at Potter Cove, South Shetland Islands, since the end of the fishery in the area
design to obtain variance components and expected values. An increase and then a decrease in the expected ... interpreted as a consequence of a significant reduction in the influx of the youngest age classes into inshore ... strongly associated with the last significant catches of fin-fish in the Subarea 48.1 in 1979/80 and could ... also be related to the still undetermined incidental mortality of larvae and juvenile in the krill ...
Meeting Document : WG-FSA-91/13 : Auteur(s): E. Marschoff and E. Barrera-Oro (Argentina)
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Age and growth in length of Micromesistius australis, Norman, 1937 (Pisces, Gadidae), in the southern zone of the Argentine Sea
australis, caught in waters of the southern Argentine Sea during the cruises made by the ships Walther ... Herwig and Shinkai Marú in agreement with the Argentine Republic, in the years 1978 and 1978/79 ... )] giving Lt in cm and t in years. For the estimation of the general equation parameters the first 15 age ... classes in males and the first 21 in females were taken into account. The theoretical Lt values ...
Meeting Document : SC-CAMLR-V/BG/31 : Auteur(s): Delegation of Argentina
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Predation release of Antarctic silverfish in the Ross Sea: how sensitive is the conclusion to uncertainties in the diet of Antarctic toothfish over the shelf?
adeliae) at breeding colonies in the southern Ross Sea more than doubled from about 235 000 to more than ... contributed to the increase in Adélie penguin numbers. This paper brings together information on the biomass ... predation release hypothesis. In particular, new data from the examination of the contents of 615 Antarctic ... weight of prey) over the southern Ross Sea shelf, including in McMurdo Sound (0.4–6.4%W) and Terra Nova ...
Meeting Document : WG-FSA-15/41 : Auteur(s): M.H. Pinkerton, P. O’B. Lyver, D.W. Stevens, J. Forman, R. Eisert and S. Mormede (New Zealand)
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Some data on Antarctic toothfish Dissostichus mawsoni reproduction in the Ross Sea (Subarea 88.1) in the period from December 2002 to March 2003
Abstract: On the grounds of data analysis collected by one of the authors – Prutko V.G. in ... December, 2002-March, 2003 in Subarea 88.1, we determine Antarctic toothfish body length at maturity of 50 ... oocytes in Antarctic fish ovaries should be measured and calculated, in addition to histological ... investigations. Dynamics of gonadosomatic index in different periods and for different research areas is ...
Meeting Document : WG-FSA-03/49 : Auteur(s): V.G. Prutko and L.A. Lisovenko (Ukraine)
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Preliminary results from a krill net sampling survey in CCAMLR Area 48.1 in 1989/90 season
Abstract: In December 1989/January 1990 main krill concentrations along the Antarctic Peninsula ... occurred NE and SE of Elephant Island, north of the South Shetland Islands, in the central Bransfield ... Strait and in the SW shelf waters. Mean biomass was 10.1 tonnes per nautical square mile, i.e. an ... estimated stock biomass of 950,000 tonnes. The zooplankton, however, was dominated by salps in the entire ...
Meeting Document : SC-CAMLR-IX/BG/09 Rev. 1 : Auteur(s): Delegation of EEC
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Annual changes in species composition and abundance of myctophid fish in the north of South Georgia (CCAMLR Subarea 48.3), Antarctica, during austral winter from 2002 to 2008
bycatch samples collected by scientific observers onboard Japanese commercial krill fishing vessels in the ... total of 9 myctophid species were identified in the by-catch samples, among which Krefftichthys ... mesopelagic ichthyofauna in this area, though this species used to dominate in the Antarctic coastal waters ... . In contrast, P. choriodon, which is known as a temperate species, became to dominate the recent ...
Meeting Document : WG-EMM-10/22 : Auteur(s): T. Iwami, M. Naganobu, K. Taki and M. Kiyota (Japan)
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Results of the Spanish exploratory longline fishery for Dissostichus spp. in Divisions 58.4.1 and 58.4.2 in the 2013/14 season
year of the multi-year research survey in Divisions 58.4.1 and 58.4.2, the F/V Tronio has returned to ... the same places surveyed in the 2012/13 season, as well as expanded the experience westwards to the ... that was visited for the commercial Spanish fleet along five seasons in the SSRU 58.4.1C is made ... , together with the estimation of the total Biomass in the entire SSRU using a depletion model. There have ...
Meeting Document : WG-SAM-14/12 Rev. 1 : Auteur(s): R. Sarralde, L.J. López-Abellán and S. Barreiro (Spain)