Résultats de la recherche
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Responding to the emerging threat of microplastics in the Southern Ocean
microplastics in several different regions of the Antarctic. Microplastics could have negative effects on the ... of laundry water. ASOC and COLTO further recommend that: All operating vessels and research stations ... consider ways to limit potential sources of microplastics and microfibers discharged through grey or ... the amount of microplastic fibers entering the ocean. CCAMLR Members and Observers, as well as SC ...
Meeting Document : SC-CAMLR-XXXVII/BG/18 : Auteur(s): Submitted by ASOC and COLTO
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Full steam ahead for the Polar Code – developing safety measures for fishing vessels and implementation of marine mammal avoidance measures
Organization (IMO) on the development of safety measures for non-SOLAS vessels including fishing vessels, and ... considers current discussions on the implementation of marine mammal avoidance measures under the Polar Code ... . ASOC calls on the Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR) and ... CCAMLR Members to: Support the development of measures by the IMO include fishing vessels in the Polar ...
Meeting Document : CCAMLR-XXXVII/BG/35 : Auteur(s): Submitted by ASOC
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Trade data analysis – Reconciliation of CDS data with fine-scale catch and effort data
Abstract: The reconciliation of CDS data with monthly fine-scale catch and effort data has ... demonstrated the effectiveness of the CDS to trace the catch of toothfish caught in the CCAMLR Convention Area ... implemented in the reconciliation of trade data and other relevant CCAMLR datasets. Author(s): CCAMLR ... Secretariat Title: Trade data analysis – Reconciliation of CDS data with fine-scale catch and effort data ...
Meeting Document : CCAMLR-XXXVII/BG/14 Rev. 1 : Auteur(s): CCAMLR Secretariat
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Pygoscelid penguins vulnerabilities to spatio-temporal changes of the krill fisheries in the Antarctic Peninsula
its turn, is reflected in penguin population dynamics. The increased concentration of fishing ... activities in this area in the last two to three decades is believed to have feedbacked the impacts of ... climate change over penguin populations. We used almost 40 years of data on fishing activities and on ... decreased consistently the population growth rate of penguins: very high catches and very low values of the ...
Meeting Document : WG-EMM-2019/10 : Auteur(s): L. Krüger, F. Santacruz, L. Rebolledo and C. Cárdenas
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Preliminary assessment of mackerel icefish (Champsocephalus gunnari) in Subarea 48.3 based on a UK survey in January 2004
Abstract: A preliminary assessment of mackerel icefish, Champsocephalus gunnari, was undertaken ... of a UK bottom trawl survey during January 2004. Using CCAMLR decision rules, an estimate of the one ... age 2+ fish only (age 1+ were not available from UK acoustic data in 2004). Estimates of short-term ... assessment of mackerel icefish (Champsocephalus gunnari) in Subarea 48.3 based on a UK survey in January 2004 ...
Meeting Document : WG-FSA-04/78 : Auteur(s): R.C. Wakeford, D.J. Agnew, M.B. Collins and G.B. Parkes(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 ... length frequency was observed, and showed only single component with modal size of 47-48mm. Author(s ...
Meeting Document : WG-EMM-97/36 : Auteur(s): Naganobu, M., Kawaguchi, S., Ichii, T.
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Calibration of an acoustic echo-integration system in a deep tank, with system gain comparisons over standard sphere material, water temperature and time
acoustic system with a standard sphere. It presents the results of an extensive calibration of a Simrad ... follows concerning the ramifications of calibration errors and variability on the accuracy of acoustic ... biomass estimation. Author(s): D.A. Demer and R.P. Hewitt (USA) Title: Calibration of an acoustic echo ... Abstract: This paper outlines the theory and procedures for calibrating an echo integration ...
Meeting Document : WG-KRILL-92/17 : Auteur(s): D.A. Demer and R.P. Hewitt (USA)
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Krill: the power lunch of Antarctica
Abstract: For several years, ASOC has been calling for improved management of Antarctic krill ... coverage on board krill vessels, identifying priority objectives for research and development in support of ... the management of the krill fishery, conducting a new krill synoptic survey, keeping the trigger level ... procedures with the aim of reducing speculative notifications, and requiring mandatory ice-strengthening for ...
Meeting Document : CCAMLR-XXXIII/BG/25 : Auteur(s): Submitted by ASOC
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CEMP 2018/19 data and updated spatial analysis of Area 48
patterns of inter-annual variability of the response by krill-dependent predators to changes in the ... ecosystem. The CSI analysis continues to show evidence of concordance of response to changes in the ... Secretariat Title: CEMP 2018/19 data and updated spatial analysis of Area 48 Microsoft Word File: emm-2019 ... Abstract: This paper reports on the CCAMLR Ecosystem Monitoring Program (CEMP) data submissions ...
Meeting Document : WG-EMM-2019/04 : Auteur(s): CCAMLR Secretariat
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Supervised and unsupervised (RapidKrill) estimates of krill density from DY098
, using python, processing of acoustic data collected during the UK cruise DY098. The same ... up with a similar estimate of krill NASC and krill density as the supervised method. An ... estimate of krill density is supplied for the WCB survey using three methods. The multifrequency method ... produces a krill density of 8.60 gm-2, compared with 21.76 gm-2 (supervised) or 20.41 gm-2 (unsupervised ...
Meeting Document : SG-ASAM-2019/09 : Auteur(s): A. Ariza, S. Fielding and R. Blackwell