Résultats de la recherche
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Models of Antarctic marine ecosystems in support of CCAMLR and IWC: background
Abstract: Ecosystem models are being developed to explore a range of issues globally. This paper ... to the use of ecosystem models in CCAMLR and the IWC and a history of the developmental work in those ... organisations. It also provides an outline of the nature of modelling for these purposes and the general issues ... CCAMLR and the IWC. Author(s): Constable, A. Title: Models of Antarctic marine ecosystems in support of ...
Meeting Document : CCAMLR-IWC-WS-08/03 : Auteur(s): Constable, A.
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Statement on the commemoration of the Tenth Meeting of CCAMLR
Author(s): Head of Delegation of the Republic of Korea Title: Statement on the commemoration of ... the Tenth Meeting of CCAMLR Approval: Approved ...
Meeting Document : CCAMLR-X/BG/27 : Auteur(s): Head of Delegation of the Republic of Korea
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Abundance, size and maturity of krill (Euphausia superba) in the krill fishing ground of Subarea 48.1 during 1990/91 austral summer
north of the South Shetland Islands from 18 January to 3 February 1991. Distinct offshore-inshore ... heterogeneities in abundance and maturity of krill were observed. The survey region was divided into four zones ... ; oceanic, slope frontal, neritic and nearshore zones. The mean density of krill was low in the oceanic zone ... (95% confidence limit), of which 1.22 ± 0.42 million t was concentrated in the fishing grounds (" ...
Meeting Document : WG-KRILL-92/26 : Auteur(s): T. Ichii, H. Ishii and M. Naganobu (Japan)
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An automated weighing and recording system as an aid for the study of the foraging ecology of Adelie penguins (Pygoscelis adeliae)
Abstract: A System that automatically weighs, identifies and determines the direction of penguins ... colony (589 nests from which 412 chicks were fledged) and related to the foraging ecology of the Adélie ... /2 breeding season. The System logged more than 80,000 penguin crossings over a period of three ... of food to the chick per visit despite males being approximately 480g (11.5%) heavier when empty. A ...
Meeting Document : WG-CEMP-92/20 : Auteur(s): K. Kerry, J. Clarke and G. Else (Australia)
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Survey estimates of recruitment of toothfish in Subarea 48.3
several unexplainable errors. A new, corrected, series of recruitment estimates was derived using new ... , the modal progression of peaks in the length densities corresponding to cohorts assessed by sequential ... surveys. Length based analysis of these confirms the growth rate expected from the CCAMLR growth equation ... for South Georgia. Although it is easy to spot cohorts, the size of individual cohorts can not be ...
Meeting Document : WG-FSA-SAM-04/16 : Auteur(s): Collins, M., Wakeford, R.C., Moir-Clark, J., Belchier, M., Agnew, D.J.
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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
Abstract: Species composition and abundance of myctophid fish were analyzed using the fish ... area north and northwest of South Georgia, Antarctica during the austral winter from 2002 to 2008. A ... total of 9 myctophid species were identified in the by-catch samples, among which Krefftichthys ... anderssoni, Gymnoscopelus nicholsi and Protomyctophum choriodon were abundant. Different life stages of K ...
Meeting Document : WG-EMM-10/22 : Auteur(s): T. Iwami, M. Naganobu, K. Taki and M. Kiyota (Japan)
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An updated glossary of terms relevant to the management of Vulnerable Marine Ecosystems (VMEs) in the CCAMLR Area
Abstract: In 2009 SC-CCAMLR identified a list of tasks to be considered intersessionally to ... adverse impacts on certain benthic habitats, termed Vulnerable Marine Ecosystems (VMEs). One of the ... identified intersessional tasks was to produce a glossary of terms relevant to the management of VMEs (SC ... recommended adoption of six key terms. Other VME relevant terms were also discussed but referred to WG-FSA (WG ...
Meeting Document : WG-FSA-10/28 : Auteur(s): B.R. Sharp and S.J. Parker (New Zealand)
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Summary of data collected by Japan and South Africa in Subarea 48.6 between 2013 and 2015, and other statistics available for assessment of Dissostichus spp. in Subarea 48.6.
Abstract: The end of the 2014/15 season will see the completion of the third year of the multi ... report presented at WG-SAM-15 (WG-SAM-15/50) has not been updated for WG-FSA as neither of the vessels ... undertaking the research returned to the study area over the winter. WG-SAM-15 requested that a summary of the ... such as distribution of effort, catch and tag releases and recaptures are already available in ...
Meeting Document : WG-FSA-15/66 : Auteur(s): R.W. Leslie (South Africa), K. Taki, T. Ichii (Japan) and S. Somhlaba (South Africa)
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Sensitivities in the assessment of the Patagonian toothfish (D. eleginoides) in Subareas 48.3 and 48.4 to truncation of tagging data
Abstract: The assessment of toothfish in CCAMLR subarea 48.3 currently uses the first four years ... of tag recaptures post release as input data, whereas the assessment in subarea 48.4 uses all ... available recapture data (excluding in-year recaptures). A theoretical analysis of the use of data from ... . Sensitivity tests on the 48.3 assessment show that this bias is not entirely explained by the effect of double ...
Meeting Document : WG-SAM-17/35 : Auteur(s): T. Earl
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Proposal to continue the time series of research surveys to monitor abundance of Antarctic toothfish in the southern Ross Sea, 2018–2022
years, 2018–2022. The first objective of the survey is to monitor toothfish recruitment in the southern ... Ross Sea (core strata). This is a continuation of the yearly time series of research surveys of these ... of the diet of Type C killer whales and Weddell seals. The third objective is to collect and analyse ... a wide range of data and samples from these areas (e.g. benthic invertebrates, stomach and tissue ...
Meeting Document : WG-SAM-17/39 : Auteur(s): S.M. Hanchet, K. Large, S.J. Parker, S. Mormede and A. Dunn