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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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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Distribution and abundance of Antarctic krill in the vicinity of Elephant Island during the 1994 austral summer
Abstract: The distribution and abundance of Antarctic krill (Euphausia superba) were estimated ... from four acoustic surveys conducted in the vicinity of Elephant Island, Antarctica, from mid-January ... to mid-March, 1994. The first and last surveys covered approximately 15,000 n.mile2 around Elephant ... Island and the eastern end of King George Island; the second and third surveys covered approximately 2100 ...
Meeting Document : WG-Joint-94/09 : Auteur(s): R.P. Hewitt and D.A. Demer (USA)
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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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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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Preliminary results on the distribution of fin whales on the northern Antarctic Peninsula
Abstract: Results presented here contribute to the currently poor knowledge of fin whales ... (Balaenoptera physalus) in Southern Ocean, based on preliminary results regarding the distribution of the ... species around the northern Antarctic Peninsula. We show a broad view of the sightings based on data ... collected from 2013 to 2018 by the Brazilian Antarctic Program the Polar Vessel (NPo) Almirante Maximiano ...
Meeting Document : WG-EMM-18/43 : Auteur(s): E. Seyboth, L. Dalla Rosa, G. Watters and E.R. Secchi
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ESTIMATION OF IUU CATCHES OF TOOTHFISH INSIDE THE CONVENTION AREA DURING THE 2009/10 FISHING SEASON
Abstract: ABSTRACT The paper presents an estimate of IUU catches of toothfish during the 2009/10 ... fishing season, using the standard, compliance derived methodology. The paper was revised on 4 October ... TOOTHFISH INSIDE THE CONVENTION AREA DURING THE 2009/10 FISHING SEASON BACKGROUND The Secretariat has ... prepared an estimate of IUU catches of Dissostichus spp. in the Convention Area for the 2009/10 season ...
Meeting Document : WG-FSA-10/06 : Auteur(s): Secretariat
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Preliminary report from New Zealand research voyages to the Balleny Islands in the Ross Sea region, Antarctica, January to March 2006
Abstract: This paper explains the background and scientific rationale behind New Zealand’s ... decision to send two separate research voyages to the Balleny Islands, located north of the Ross Sea, in ... the Antarctic summer of early 2006. The first of these voyages involved a dedicated research ... expedition to the Balleny Islands exclusively, utilizing R/V Tiama, a 15 m expedition yacht. The second ...
Meeting Document : WG-EMM-06/31 : Auteur(s): B.R. Sharp (New Zealand)