Résultats de la recherche
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A preliminary assessment of age and growth of Antarctic silverfish (Pleuragramma antarcticum) in the Ross Sea, Antarctica
antarcticum) in the Ross Sea, Antarctica Abstract / Description: Antarctic silverfish (Pleuragramma ... antarcticum) were sampled during a trawl survey in the Ross Sea, Antarctica. Biological data, including fish ... otoliths were used to estimate ages and von Bertalanffy growth parameters. The species is relatively slow ... -growing with a moderate longevity; the maximum estimated age was 14.3 years. Von Bertalanffy parameters ... . These estimates are preliminary for two main reasons. First, no attempt has been made to validate the ... juvenile Antarctic silverfish off Terra Nova Bay (Ross Sea) during the summer of 1987/88. They also ... ) studied fish from the Cosmonaut Sea, Mawson Sea and Prydz Bay and calculated higher L∞ values and ... Hubold and Tomo (1989) and Gerasimchuk (1992), no length records could be found in the literature for ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 75–86 : Auteur(s): Sutton, C.P. and P.L. Horn
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To what extent do type C killer whales (Orcinus orca) feed on Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea, Antarctica?
type C killer whales in other locations on the Ross Sea shelf (e.g. Terra Nova Bay, Bay of Whales ... , Sulzberger Bay) or at the scale of the whole Ross Sea shelf and slope. Basic information necessary to ... Abstract: Information on type C killer whales in the Ross Sea region is reviewed, in particular ... on the trophic overlap between type C killer whales and Antarctic toothfish. Killer whale population ...
Meeting Document : WG-EMM-13/29 : Auteur(s): L. Torres, M.H. Pinkerton (New Zealand), R. Pitman, J. Durban (USA) and R. Eisert (New Zealand)
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Characteristics of krill aggregations in the South Sandwich Islands subarea in January–February 2000
Paper Title: Characteristics of krill aggregations in the South Sandwich Islands subarea in ... January–February 2000 Abstract / Description: During the survey of Subarea 48.4 from 17 January to 1 ... characteristics of some 2 400 krill swarms detected in the study area were sized acoustically and are described in ... this paper. Results of comparisons of swarm parameters by area and season are given. The effect of ... . Swarms remained in the upper pycnocline layer and/or above it, moving no deeper than the layer of cold ... not exceed 0.02 g m-3. Krill swarms were recorded in the upper 80 m depth layer. Sites with ... . 9 (2002): 145–164 145 CHARACTERISTICS OF KRILL AGGREGATIONS IN THE SOUTH SANDWICH ISLANDS ... the survey of Subarea 48.4 from 17 January to 1 February 2000 it was observed that krill was present ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 145–164 : Auteur(s): Kasatkina, S.M., A.P. Malyshko, V.N. Shnar and O.A. Berezhinsky
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Review of CCAMLR activities on monitoring marine debris in the Convention Area
for two species of seabird. This was the first submission from this site. Marine mammal entanglement ... Abstract: The current status of national programmes on monitoring of marine debris and their ... impact on marine mammals and seabirds in the Convention Area has been reviewed. The CCAMLR Marine Debris ... ), King George Island, (South Shetland Islands) and Marion Island. The number of beached marine debris ...
Meeting Document : SC-CAMLR-XXVI/BG/10 : Auteur(s): Secretariat
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Quantification of Southern Ocean phytoplankton biomass and primary productivity via satellite observations and biogeochemical models (submitted to the 2008 Joint CCAMLR-IWC Workshop)
satellite observations and biogeochemical models (submitted to the 2008 Joint CCAMLR-IWC Workshop) Abstract ... / Description: This paper reviews Southern Ocean primary productivity within the framework of satellite remote ... sensing and the development of food-web models. The satellite ocean colour (chlorophyll) data record is ... described, from the Coastal Zone Colour Scanner (CZCS) in the late 1970s through to the Ocean Colour and ... were the areas of highest productiv- ity, and no sustained blooms occurred in waters deeper than 1 000 ... from a bloom trailing east off the north- ern tip of the Antarctic Peninsula. The Prydz Bay Table 2 ... , trailing off the peninsula, starts to contract. The Prydz Bay bloom is larger and more intense. Other ... Prydz Bay and other coastal blooms are in decline. The South Georgia bloom is smaller, as is the ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 247–265 : Auteur(s): P.G. Strutton, N.S. Lovenduski, M. Mongin and R. Matear
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Chilean krill fishery: analysis of the 1991 season
Abstract: This paper summarized the chilean catch data for 1991. Especial emphasis is given to ... the analysis of haul-by-haul data and its use in understanding small scale spatial distribution of ... fishing grounds. The results show that the krill fishery in subarea 48.1 is particularly intense near CEMP ... : Chilean krill fishery: analysis of the 1991 season Approval: Approved ...
Meeting Document : WG-KRILL-91/39 : Auteur(s): Victor H. Marín et. al.
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Patagonian toothfish in international waters of the Southwest Indian Ocean (Statistical Area 51)
Paper Title: Patagonian toothfish in international waters of the Southwest Indian Ocean ... and Marion Islands and the Crozet Islands, outside EEZs and CCAMLR waters. A total of 57 hauls was ... from 53 to 1 158 kg. The northward distribution of D. eleginoides is closely related to the extension ... of the Sub-Antarctic Front, and especially the intermediate layer of sub-Antarctic water masses ... and discussion Catches No zero catches were taken during the fi shing experiment, D. eleginoides ... Deepwater Ridges of the Southern Indian Ocean. FAO Fisheries Circular, No. 991, Rome, FAO: 84 pp. Duhamel ... (2005): 207–214 207 PATAGONIAN TOOTHFISH IN INTERNATIONAL WATERS OF THE SOUTHWEST INDIAN OCEAN ... Ctra. San Andrés nº 45 Santa Cruz de Tenerife, España Email – luis.lopez@ca.ieo.es Abstract ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 207–214 : Auteur(s): López Abellán, L.J
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Seals: Trophic modelling of the Ross Sea
Description / Abstract: A supporting document to the CCAMLR Science paper: M.H. Pinkerton, J.M ... . Bradford-Grieve and S.M. Hanchet. 2010. A balanced model of the food web of the Ross Sea, Antarctica ... the importance of toothfish as a prey item for seals, but no results are available. Pinkerton et ... occasionally scavenge from carcasses of whales. Fish in the diets off Prydz Bay were largely unidentified, but ... months (Brownell & Ainley 1976; Ainley 1985: Table 4) and no southern elephant seals in the Ross Sea ... Seals Seals: Trophic modelling of the ...
Document : Site Section: Publications
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Zooplankton: Trophic modelling of the Ross Sea
Description / Abstract: A supporting document to the CCAMLR Science paper: M.H. Pinkerton, J.M ... . Bradford-Grieve and S.M. Hanchet. 2010. A balanced model of the food web of the Ross Sea, Antarctica ... numbers of the total zooplankton in Terra Nova Bay with L. helicina being a major contributor to these ... the Ross Sea M.H. Pinkerton, J. Bradford-Grieve National Institute of Water and Atmospheric ... Euphausia crystallorophias is found preferentially in the shallower parts of the western Ross Sea (Makarov ... ), and in the eastern parts (Ackley et al. 2003). Distribution information (Azzali et al. 2006; Ackley ...
Document : Site Section: Publications
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Defining smaller-scale management units to further develop the ecosystem approach in managing large-scale pelagic krill fisheries in Antarctica
Paper Title: Defining smaller-scale management units to further develop the ecosystem approach in ... the principles and approach required for developing small-scale management units to take account of ... predators’ needs when managing the fishery for Antarctic krill. It provides a theoretical foundation for ... considering the scales of management units involving the integration of local populations of harvested species ... . 9 (2002): 117–131 117 DEFINING SMALLER-SCALE MANAGEMENT UNITS TO FURTHER DEVELOP THE ECOSYSTEM ... @aad.gov.au Abstract This paper discusses the principles and approach required for developing small-scale ... management units to take account of predators’ needs when managing the fi shery for Antarctic krill. It ... provides a theoretical foundation for considering the scales of manage- ment units involving the ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 117–131 : Auteur(s): Constable, A.J. and S. Nicol