Résultats de la recherche
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The Role of Fish as Predators of Krill (Euphausia superba) and Other Pelagic Resources in the Southern Ocean
Abstract: First attempts were made in the early 1980’s to estimate the krill and pelagic food ... consumption by Antarctic demersal fish. These estimates were extended to the mesopelagic realm and the high ... -Antarctic Zone in the late 1980’s and early 1990’s when these areas were exploited commercially and a larger ... number of food studies were conducted. Currently, the best estimates of krill consumption by fish are 23 ...
Meeting Document : CCAMLR-IWC-WS-08/09 : Auteur(s): Collins, M.A., Williams, R., Agnew, D.J., Kock, K.-H., Belchier, M., Shust, K.V., Welsford, D., Hanchet, S., Pshenichnov, L., Barrera-Oro, E.
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ADDRESSING UNCERTAINTY OVER THE IMPORTANCE OF ANTARCTIC TOOTHFISH AS PREY OF SEALS AND WHALES IN THE SOUTHERN ROSS SEA: A REVIEW
Abstract: An uncertainty heretofore has existed over the importance of Antarctic toothfish ... (Dissostichus mawsoni) as prey of top predators in the Ross Sea. We reviewed the literature to assess the ... show the seals do not eat toothfish hard parts, thus providing the reason that toothfish have seldom ... populations where toothfish do not occur. On the basis of data from an under ice observation platform, non ...
Meeting Document : WG-EMM-08/22 : Auteur(s): D. Ainley and D. Siniff (USA)
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The food and feeding ecology of the white-chinned petrel Procellaria aequinoctialis at South Georgia
Abstract: The diet of the white-chinned petrel at Bird Island, South Georgia was studied during ... the chick-rearing period in 1986 by quantitative analysis (by weight, frequency of occurrence and ... number of individuals) of regurgitated or lavaged adult stomach contents. Antarctic krill was the most ... important constituent of the diet, comprising over 90% of prey items and forming 47% of the diet by weight ...
Meeting Document : WG-CEMP-94/14 : Auteur(s): J.P. Croxall, A.J. Hall, H.J. Hill, A.W. North and P.G. Rodhouse (United Kingdom)
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SPATIAL DISTRIBUTION AND AGE STRUCTURE OF THE ANTARCTIC TOOTHFISH (DISSOSTICHUS MAWSONI) IN THE ROSS SEA, ANTARCTICA
Abstract: The Ross Sea has been geologically characterized by tectonic and glacial processes ... the availability of habitat is critical to the long-term viability of the population. Antarctic ... toothfish (Dissostichus mawsoni) are subject to an increasingly important commercial fishery in the Ross Sea ... assess the availability of habitat for Antarctic toothfish a benthic habitat map of the Ross Sea was ...
Meeting Document : WG-FSA-08/18 : Auteur(s): C.M. Brooks and J.R. Ashford (USA)
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Trophic relations of the cephalopod Martialia hyadesi (Teuthoidea: Ommastrephidae) at the Antarctic Polar Front, Scotia Sea
Abstract: Samples of the squid, Martialia hyadesi, were collected aboard two Japanese squid ... jigging vessels carrying out commercial fishing trials at the Antarctic Polar Frontal Zone, north Scotia ... Sea in February 1989. The dissected stomachs of 61 specimens were classified according to fullness and ... the contents examined visually. Identifiable food items included fish sagital otoliths, crustacean ...
Meeting Document : SC-CAMLR-XI/BG/11 : Auteur(s): Delegation of United Kingdom
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An assessment of the impact of krill fishery on penguins in the South Shetlands
Abstract: The competition between Japanese krill fishery and penguins during their breeding ... season (December-March) in the South Shetland Islands (Subarea 48.1) was assessed based on available ... information on fishery, penguins and krill biomass. The catch is very low in December followed by roughly ... equivalent amount (3,000-10,000 t/10-day) for the following three months, with its increased fishing ...
Meeting Document : WG-KRILL-93/07 : Auteur(s): T. Ichii, M. Naganobu and T. Ogishima (Japan)
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Improving the process for the establishment of marine protected areas by CCAMLR and Antarctic Treaty Parties
Abstract: This paper examines the obligations upon the Commission for the Conservation of ... -operate in the establishment and implementation of MPAs in the Southern Ocean. It also examines the ... current process for declaring MPAs in the areas of application of the Antarctic Treaty and the Convention ... on the Conservation of Antarctic Marine Living Resources (the Convention) and suggests improvements ...
Meeting Document : WS-MPA-05/09 : Auteur(s): Delegation of Australia
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Report of the First Workshop on the Identification of Priority Areas for MPA Designation within Domain No. 1 (CCAMLR). Valparaiso 2012
Abstract: The first Workshop for developing MPAs in the Domain 1 was held at Valparaiso, Chile ... , between 28 May and 1 June. At the workshop assisted delegates from 6 countries plus a number of NGOs and ... representatives from the fishing industry. Main outcomes of the Workshop were: an agreement on sharing data layers ... for conducting the analysis; a concerted list of conservation objectives to be included in the ...
Meeting Document : WG-EMM-12/69
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An integrated stock assessment for the Heard Island and the McDonald Islands Patagonian toothfish (Dissostichus eleginoides) fishery (Division 58.5.2)
eleginoides) at the Heard and the McDonald Islands (Division 58.5.2) with data until mid August 2014. This ... paper presents a bridging analysis and proposes a new base case assessment model which is based on the ... best available estimates of model parameters, the use of abundance estimates from a random stratified ... composition data to aid with the estimation of year class strength and selectivity functions of sub-fisheries ...
Meeting Document : WG-FSA-14/34 : Auteur(s): P. Ziegler, D. Welsford, W. de la Mare and P. Burch (Australia)
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A characterisation of the toothfish fishery in the Ross Sea region (Subarea 88.1 and SSRUs 88.2A–B) to 2016–17
Abstract: This report summarises fishing catch and effort in the Ross Sea region (Subarea 88.1 ... and SSRUs 882AB) together with biological characteristics of the catch of Antarctic toothfish through ... the 2017 season. In 2017, sea ice constraints were minimal and catch rates were the second highest on ... record, resulting in the shortest season to since the fishery started. Median and 90%ile scaled lengths ...
Meeting Document : WG-FSA-17/07 : Auteur(s): S. Parker and S. Mormede