Résultats de la recherche
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A guide to identification of fishes caught along with the Antarctic krill
Abstract: A field key to early life stages of Antarctic fish caught along with the Antarctic ... krill is produced. The key includes 8 families and 28 species mainly from the Atlantic sector of the ... , however, it is impossible to discriminate among species of the same family by remarkable characters. A ... species key is not shown for such resemble species and a brief summary of the main morphological features ...
Meeting Document : WG-EMM-07/32 : Auteur(s): T. Iwami and M. Naganobu (Japan)
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Green krill, the indicator of micro- and nano-size phytoplankton availability to krill
Abstract: Size fractionated chlorophyll-a concentrations of surface seawater was measured (pico ... -, nano-, and micro-size fractions) during commercial krill operations in the waters north of the South ... Shetland Islands from late December, 1991 to mid-February, 1992. The proportion of green krill had ... the importance of micro- and nano-size phytoplanktons in terms of food source for the Antarctic krill ...
Meeting Document : WG-EMM-98/29 : Auteur(s): S. Kawaguchi, T. Ichii and M. Naganobu (Japan)
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PREDICTING THE VULNERABILITY OF BENTHIC, HABITAT-FORMING ORGANISMS TO DISTURBANCE USING LIFE-HISTORY CHARACTERISTICS
Abstract: Assessing the impacts of fishing on Vulnerable Marine Ecosystems (VMEs) in the Southern ... Ocean is hampered by the paucity of information on the resistance and resilience of these ecosystems to ... disturbance. Both resistance and resilience of individual VME-forming taxa are related to their life-history ... characteristics. A global database of life-history characteristics, including growth rate, age, maximum size and ...
Meeting Document : WG-EMM-09/35 : Auteur(s): K. Martin-Smith (Australia)
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FIRST EXPERIMENTAL SETTINGS OF DEEPWATER VERTICAL LONGLINES IN THE ANTARCTIC TOOTHFISH FISHERY DISSOSTICHUS MAWSONI NORMAN, 1937 (PERCIFORMES, NOTOTHENIIDAE) IN THE AMUNDSEN SEA
Abstract: For the first time in the history of deepwater longline fishing on Antarctic toothfish ... Dissostichus mawsoni (Norman, 1937) the experimental settings of deepwater vertical longlines was made from the ... Russian longliner Yantar in March, 2008 in the Amundsen Sea (subarea 88.2,D of the Pacific sector). The ... experiments proved that this species, one of the most valuable large commercial species of the South Ocean ...
Meeting Document : WG-FSA-09/08 : Auteur(s): N.V. Kokorin (Russia) and V.V. Serbin (Ukraine)
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Possible approaches to the evaluation of the Antarctic krill mortality
Abstract: Parameters of the Bertalanfy growth equation for 1928 and 1970–1976 were calculated on ... the base of summaryed data on Krill age groups singled out using method of Harding.Parameters obtained ... recources. As a result of uncertainty in age groups determination were obtained wide ranging values. The ... most real values varied from 0.75 to 1,17. No fishery impact on various parameters of the krill ...
Meeting Document : WG-KRILL-92/08 : Auteur(s): L.G. Maklygin and V.I. Latogursky (Russia)
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Revised estimates of the biological parameters for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea
Abstract: This report updates the estimates of the biological parameters for Antarctic toothfish ... (Dissostichus mawsoni) in the Ross Sea (Subareas 88.1 and SSRUs 88.2A–B). We present revised estimates of the ... -data for plausible estimates of the steepness parameter of the stock-recruitment relationship and ... recruitment variability of Antarctic toothfish. Author(s): A. Dunn, P.L. Horn and S.M. Hanchet (New Zealand ...
Meeting Document : WG-FSA-SAM-06/08 : Auteur(s): A. Dunn, P.L. Horn and S.M. Hanchet (New Zealand)
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A preliminary assessment of mackerel icefish (Champsocephalus gunnari) in Division 58.5.2, based on results from the 2014 random stratified trawl survey
vicinity of Heard Island during June 2014. This paper provides a preliminary assessment of mackerel icefish ... population structure, abundance and yield for the area of Division 58.5.2 to the west of 79° 20’ E using ... standard CCAMLR methods. A pattern of multiple year classes being present simultaneously in the population ... projected. These projections indicate that catches of 309t in the 2014/15 season and 275t in the 2015/16 ...
Meeting Document : WG-FSA-14/44 : Auteur(s): D.C. Welsford (Australia)
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An updated assessment of unicorn icefish (Channichthys rhinoceratus) in Division 58.5.2, based on results from the 2015 random stratified trawl survey
May 2015. Recent work which is presented here has allowed for many of the biological parameters of ... provides both short (2 years) and long term (20 years) projections of unicorn icefish structure, abundance ... and yield for the area of Division 58.5.2 to the west of 79°20’ E using standard CCAMLR methods. Short ... term projections (20 year) indicate sustainable yield of 1663 t. Author(s): D. Maschette and J. Dell ...
Meeting Document : WG-FSA-15/50 : Auteur(s): D. Maschette and J. Dell (Australia)
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A description of current metrics and methods used in providing advice to the Scientific Committee on setting catch limits and assessing research plans in research blocks in exploratory fisheries and closed areas
Abstract: In recent years there have been a number of changes in the criteria, metrics and ... application of methods used in setting research catch limits in research blocks as well as assessing progress ... in research plans. This has resulted in some confusion in the application of methods and the intended ... purpose of the metrics included in the summary table presented to the Scientific Committee that includes ...
Meeting Document : WG-SAM-16/18 Rev. 1 : Auteur(s): CCAMLR Secretariat
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Proposal for the extension of research block 48.6_2
Abstract: Research block 48.6_2 is set in a limited part of the large-scale ridge which runs from ... accordingly they leave substantial amount of CL unfished in the research block because of limited spatial ... range and the low CPUE there. To enhance utilization of CL for stock assessment there, we would like to ... propose the extension of 48.6_2 in the near future(WG-SAM-16/08). Author(s): T. Namba, T. Ichii and T ...
Meeting Document : WG-SAM-17/09 : Auteur(s): T. Namba, T. Ichii and T. Okuda