Résultats de la recherche
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Comparison of the catches and biological characteristics of Dissostichus mawsoni in Subarea 88.1 in seasons of 2002/03 and 2003/04
different SSRU, month and depth of sets longlines. The comparison of these resultants showed that in the ... seasons among the largest individuals. It was very interesting that in the both seasons we had two modal ... composition from the different SSRU catches showed that the individuals of the smaller size were caught closer ... was very different:703 t in 2002/03, and 276 t in 2003/04. CPUE what were comparing in different SSRU ...
Meeting Document : WG-FSA-04/84 Rev. 1 : Auteur(s): K.V. Shust, N.V. Kokorin and A.F. Petrov (Russia)
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Soft-sediment macrozoobenthos from Domain 1 (Antarctica): A preliminary report using community parameters and proxies
play an important role in the results, data suggests that the seafloor around King George Island can be ... the highest secondary production presented in this study. Seems to be that these proxies are ... biogenic opal and TOC in sites with highest density of benthic organisms. Although, sampling effort can ... considered as a hot-spot of diversity as well as production, and the geochemical proxies are in agree with ...
Meeting Document : SC-CAMLR-XXXVI/BG/10 : Auteur(s): Delegation of Chile
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Otolith chemistry reveals local population structure of Antarctic toothfish (Dissostichus mawsoni) within the CCAMLR Subarea 48.6
with ontogeny and different between spawning/hatching ground and the area that fish captured. Otolith ... Abstract: Antarctic toothfish Dissostichus mawsoni is an important fish species with ecological ... and economical value and that distributed in the high latitude of the Southern Ocean. The CCAMLR ... management of toothfish fishery. The chemistry in the otolith can often be used to distinguish population ...
Meeting Document : WG-FSA-18/75 : Auteur(s): L. Wei, G.P. Zhu, S. Somhlaba, X.Y. Yu and M. Duan
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Spawning activity of mackerel icefish at South Georgia
location is unknown and there are indications that there may be a second limited spawning season in October ... fisheries and research surveys. It is concluded that there is strong evidence for inshore spawning during ... intensity almost certainly occurs over much of the shelf although the intensity appears to be small in ... comparison with inshore spawning. There is some evidence for spawning at Shag Rocks although the precise ...
Meeting Document : WG-FSA-00/27 : Auteur(s): I . Everson, A. North (United Kingdom) and K.-H. Kock (Germany)
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UPDATE OF THE INTEGRATED STOCK ASSESSMENT FOR THE PATAGONIAN TOOTHFISH (DISSOSTICHUS ELEGINOIDES) FOR THE HEARD AND MCDONALD ISLANDS USING CATCH-AT-AGE DATA AND TWO YEARS OF SURVEY ABUNDANCE-AT-AGE DATA
with readability score of at least 4 can be obtained in sufficient numbers to allow ALKs to be ... commercial catches with catch-at-age proportions using age length keys (ALKs) where the ALK for each ... combination of fishery and year had available at least 50 aged fish. For the trawl fisheries that were divided ... ) samples for each fishing period within that year. For years where insufficient fish were aged the catch-at ...
Meeting Document : WG-SAM-09/09 : Auteur(s): S.G. Candy (Australia)
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Assessment models for Patagonian toothfish in research block 58.4.4b_1 (SSRU 58.4.4bC) for the years 1990-2014
year in OB_1a model were spurious. This suggests that Shinsei-maru No. 3 was learning operation in its ... tonnes. We recommend this model be used as management advice. Author(s): K. Taki (Japan), S. Mormede ... (New Zealand) and T. Ichii (Japan) Title: Assessment models for Patagonian toothfish in research block ...
Meeting Document : WG-SAM-15/25 : Auteur(s): K. Taki (Japan), S. Mormede (New Zealand) and T. Ichii (Japan)
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Setting management goals using information from predators
points that can be used directly for making decisions. These indicators include univariate indices ... be set for higher trophic levels – such as marine mammals, birds and fish. It briefly explores the ... management, noting that the emphasis for managing the effects of human activities on higher trophic levels is ... biased towards fisheries-based approaches rather than approaches that take into account the maintenance ...
Meeting Document : WG-EMM-07/P7 : Auteur(s): A. Constable (Australia)
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Some comments on the procedure of krill target strength assessment in echosurveys
in echosurveys is discussed. It is known that krill abundance and biomass estimation should be ... requires another approach to echosurveys, since two actually independent task should be solved in that case ... considered as two independent tasks with different requirements to midwater trawl utilization in echosurveys ... measuring system. However, the information obtained in that case provides not only total krill abundance ...
Meeting Document : WG-EMM-98/21 : Auteur(s): S.M. Kasatkina (Russia)
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Mapping trends in activity of illegal, unreported and unregulated (IUU) fishing in the CAMLR Convention Area
EEZs. With the information currently provided to the Secretariat it may not be possible to distinguish ... vessels, by developing a better understanding of the probability that another vessel will be detected, is ... the CAMLR Convention Area. Combining all information available to the Secretariat indicates that IUU ... between an apparent decrease in IUU catch and a decrease in surveillance effort that results in fewer ...
Meeting Document : CCAMLR-XXXII/BG/09 Rev. 1 : Auteur(s): Secretariat
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Krill Fishery Report
Abstract: At WG EMM-2013 the Working Group agreed that it would be useful to have a consolidated ... the preparation of a draft krill fishery report for consideration at WG EMM-14 that would be similar ... summary of information related to the krill fishery in a similar format to the fishery reports that are ... seabirds as well as the CCAMLR approach to management of the krill fishery) with the addition of monthly ...
Meeting Document : WG-EMM-15/30 : Auteur(s): CCAMLR Secretariat