Résultats de la recherche
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Status of the South Georgia subarea (48.3) on satellite monitoring of the sea surface temperature, December 1999–January 2000
data from vessels allow us to understand the hydrologic situation off South Georgia (Subarea 48.3) in ... . Analysis of the SST distribution in Subarea 48.3 developed by January, 2000 has revealed an unfavorable ... hydrologic situation for formation and maintenance of mass concentrations of krill (Euphausia superba) in ... South Georgia shelf on the east because there are no favorable conditions to form mass concentrations in ...
Meeting Document : WG-EMM-00/20 : Auteur(s): G. Vanyushin and A. Korobochka (Russia)
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Sea surface temerature anomalies near South Georgia: relationships with the South Atlantic and the Pacific El Niño regions
variability around South Georgia. High levels of autocorrelation were evident in the sea surface temperature ... fluctuations in the Pacific. This link was separated temporally with the Pacific leading South Georgia by ... also reflected the variability in the Georgia Basin. The high levels of intra annual variability at ... variability in the onset of summer warming is potentially of great importance to the functioning of the ...
Meeting Document : WS-AREA 48-98/10 : Auteur(s): P. Trathan and E.J. Murphy (UK)
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Data on reproduction biology of Dissostichus mawsoni from the Ross Sea (Statistical Subarea 88.1)
longliner "Tronio" in 2007-2011 were given. Gonadosomatic indices (GSI) of 823 Antarctic toothfish ... individuals from various SSRU in the Ross Sea were calculated. For one specimen with maximum observed weight ... of gonads on various grounds in the Ross Sea during the fishery season confirmed previous conclusions ... cm, and among males- at length of 123-126 cm. In our collections, we noted occurrence of females with ...
Meeting Document : WG-FSA-11/04 : Auteur(s): A.K. Zaytsev (Russia)
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CONTINUING CCAMLR’S FIGHT AGAINST IUU FISHING FOR TOOTHFISH EXECUTIVE SUMMARY OF THE REPORT BY TRAFFIC INTERNATIONAL AND WWF AUSTRALIA
(IUU) fishing, there remains evidence of IUU activities in the Convention area. This paper is the ... executive summary of a recent, soon to be published report produced by TRAFFIC International in conjunction ... -2007 with a view to provide an indication of the extent of the IUU catch. The report highlights that in ... estimates of IUU catch and to continue to improve the current MCS measures in order to minimise ...
Meeting Document : CCAMLR-XXVII/BG/38 : Auteur(s): Submitted by IUCN
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THE ISSUE OF NON-COMPLIANCE WITH CCAMLR TAGGING PROGRAM
Abstract: Under Conservation Measure 41-01 (Annex C- Tagging Program for Dissostichus spp. in ... Exploratory Fisheries), the flag States of fishing vessels participating in exploratory fisheries are ... by vessels operating in the exploratory fisheries” (CCAMLR-XXVI Report, paragraph 8.12). It is ... assessment of compliance with the CCAMLR tagging program based on information contained in the Fish Stock ...
Meeting Document : CCAMLR-XXVII/BG/22 : Auteur(s): Delegation of Australia
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Krill stock evaluation with data from commercial fishing vessels
board during normal fishing operations in a relatively easy and cheap manner using the Norwegian vessel ... ‘Saga Sea’ in 2011 as example. A one-month subset of the acoustic data from February/March was processed ... concentrations were in general much higher during fishing and the length distribution was different. This was ... krill fishing vessels and previous experience in own waters we advocate that increased collaboration ...
Meeting Document : WG-EMM-12/63 : Auteur(s): G. Skaret (Norway), J. Moir Clark (United Kingdom), O.R. Godø, R.J. Korneliussen, T. Knutsen, B.A. Krafft and S.A. Iversen
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Influence of data quality and quantity from a multiyear tagging program on an integrated fish stock assessment
, particularly the effects of the size of tagged fish compared with the size of fish in the catch (tag size ... relatively large number of size classes, low recapture numbers collected in short tagging programs with a 100 ... % tag size-overlap were sufficient for robust and unbiased assessments. Particularly in the early stages ... -age compared with catch-at-length improved recruitment estimates and resulted in more conservative ...
Meeting Document : WG-FSA-13/P03 : Auteur(s): P. Ziegler
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Comparison of NASC values calculated by swarm-based and grid-based acoustic data processing methods for Antarctic krill density estimation
four surveys in 48.1 fishing area were calculated using both the swarm-based and conventional grid ... -based approach and grid-based approach based on data in the paper. In accordance to the suggestions ... , further analyses were undertaken and the results were shown in Appendix A. Author(s): X. Yu, X. Wang and ...
Meeting Document : SG-ASAM-18/04 Rev. 1 : Auteur(s): X. Yu, X. Wang and X. Zhao
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Results of a scientific electronic monitoring pilot study on the FV Janas during the 2017/18 Ross Sea fishing season
Abstract: During the 2017/2018 toothfish season in the Ross Sea, the New Zealand flagged Janas ... trialled a scientific electronic monitoring system during fishing operations in the Ross Sea region. The ... fishing activities. The trial showed that 1) the systems performed well in Antarctic conditions, 2) video ... assist in improving the accuracy of data recording by observers, as well as allowing observers more time ...
Meeting Document : WG-SAM-18/20 : Auteur(s): B. Plum, A. Smith and S. Parker
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Evidence of change to the environment, ecosystem and fishery within Area 48 indicates the need for continued precaution
Abstract: CCAMLR manages the krill fishery in Area 48 using a catch limit (the trigger level ... ) which was established in 1991 based on the maximum catches reported for each subarea. Since that time ... time catches in Subarea 48.1 have increased beyond the maximum pre-1991 catch for that subarea which ... levels in Subarea 48.1 and environmental stress on the krill stock), the need for precaution is likely to ...
Meeting Document : WG-EMM-2019/29 : Auteur(s): S. Hill and A. Atkinson