Resultados de la búsqueda
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Krill of the Ross Sea: distribution, abundance and demography of Euphausia superba and Euphausia crystallorophias during the Italian Antarctic expedition (January–February 2000)
, in the area north of Continental Shelf, was 9.3 g/1000m3 of filtered water with a mean density of ... dominance in the High Antarctic Zone (south of 74°), with a mean relative biomass of 3.0 g/1000m3 and mean ... of krill in the western Ross Sea (Antarctica). A midwater sampler-trawl (Hamburg Plankton Net) was ... density of 19.1 ind/1000m3. The present data have demonstrated that in the Ross Sea during the summer ...
Meeting Document : WG-EMM-02/32 Text : Autor(es): A. Sala, M. Azzali and A. Russo (Italy)
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Examination of the gut contents of Patagonian toothfish (Dissostichus eleginoides) from the toothfish pot fishery trials around South Georgia
sizes. This was hypothesised to result from fish caught in pots suffering reduced levels of trauma. The ... location and depth. However prawns were not common in the stomachs of fish caught from this location using ... longlines. The next most common prey category was fish, as found in previous studies of this species. This ... CCAMLR, an understanding of the trophic relationships of exploited species is vital. Toothfish ...
Meeting Document : WG-FSA-00/25 : Autor(es): G. Pilling, T. Daw, M. Purves, D. Agnew and J. Xavier (United Kingdom)
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Proposal of extension of research block 48.6_2 to complete planned research and examine the habitat model and the stock structure
model and elucidate stock structure. The distribution of densities (catch per haul in 20-minute grid) of ... its southeastern bank (south of ca. 55.2°S) with higher fish densities but scarce in the northern area ... tonnes) since the current research block was set in 2013. Thus, unutilized portions of catch limit were ... mainly attributed to low CPUE in the northern part of the block. Meanwhile, the habitat model (WG-15/64 ...
Meeting Document : WG-SAM-16/08 : Autor(es): T. Namba, T. Ichii and K. Taki
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REPORT OF THE SECOND MEETING OF THE SEABIRD BYCATCH WORKING GROUP, HERMANUS, SOUTH AFRICA, 17-18 AUGUST 2008
Abstract: The Fouth Meeting of the ACAP’s Advisory Committee was held in Cape Town, South Africa ... methods to reduce seabird bycatch in trawl fisheries, and noted that the body of work investigating and ... engaged in extensive discussion regarding the Advisory Committee’s collection of seabird bycatch data from ... from 22 – 25 August 2008. It was preceded by a meeting of the Seabird Bycatch Working Group (SBWG) on ...
Meeting Document : WG-FSA-08/61 : Autor(es): ACAP Seabird Bycatch Working Group
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Assessment of fishable krill biomass on the basis of the acoustic surveys results using geostatistical methods
Abstract: ABSTRACT Applicability of geostatistical methods in processing the acoustic fields of ... usefulness of these methods in studying the structure of krill density field for biomass assessment in ... compliance with different thresholds of their fishery importance. The structure of krill density field in ... Subarea 48.3 based on the surveys 2000 and 2002 indicates that krill fishable biomass is concentrated in ...
Meeting Document : WG-SAM-10/07 Rev. 1 : Autor(es): S.M. Kasatkina and P.S. Gasyukov (Russia)
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Summary of the work of the CEP on Marine Protected Areas
topic of Marine Protected Areas (MPA’s) in discussions of the Committee for Environmental Protection ... preclude the development by the CEP of ASPAs and ASMAs which have in whole or in part a marine component ... . In addition, both the CEP and SC-CAMLR recognized the value of developing a harmonized approach to ... protection of the marine environment across the Antarctic Treaty System and in maintaining a dialogue ...
Meeting Document : WS-MPA-11/04 : Autor(es): Antarctic Treaty Secretariat, c/o Dr P. Penhale, CEP Representative to the CCAMLR MPA Workshop
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Analysis and modelling of the Soviet Southern Ocean krill fleet, II: Estimating the number of concentrations and analytical justification for search data
used to estimate the number of Concentrations of krill (in the sense of Butterworth (1988), Mangel ... (1988)) in a given region of the southern ocean. Sample computations are performed, using data collected ... by Soviet research/survey vessels in the early 1980s. These examples highlight the need for a ... Africa) Title: Analysis and modelling of the Soviet Southern Ocean krill fleet, II: Estimating the ...
Meeting Document : WS-KCPUE-89/06 : Autor(es): M. Mangel (South Africa)
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The diet of the Antarctic fur seal Arctocephalus gazella at Harmony Point, South Shetland Islands: evidence of opportunistic foraging on penguins?
represented in the 39.0% and 31.9% of the samples in 2001 and 2002 and, as reflected by the reconstructed diet ... , was the main prey by mass (74.0% and 76.1%). The occurrence of penguins in the diet of A. gazella at ... Abstract: The diet of non-breeding male Antarctic fur seals Arctocephalus gazella was ... investigated at Harmony Point, Nelson Island, South Shetland Islands, by the analysis of 523 scats collected ...
Meeting Document : WG-EMM-02/11 : Autor(es): R. Casaux, L. Bellizia and A. Baroni (Argentina)
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Estimating the biodiversity of the sub-Antarctic Indian part for ecoregionalisation: Part I. Pelagic realm of CCAMLR areas 58.5.1 and 58.6
species (plankton and fish), and the second on top predators. In this report, we followed three types of ... be low in the north, consistent with the limit of the main distribution of the species. The quasi ... out in 2012. A report showing the application of these methods on the pelagic realm of the study area ... Abstract: Two studies are tabled for the Subantarctic pelagic area of CCAMLR areas 58.5.1 and ...
Meeting Document : WS-MPA-11/10 : Autor(es): P. Koubbi (France), P.A. Hulley (South Africa), B. Raymond (Australia), F. Penot, S. Gasparini, J.P. Labat, P. Pruvost (France), S. Mormède (New Zealand), J.O. Irisson, G. Duhamel and P. Mayzaud (France)
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An interpretation of the growth of the Adelie penguin rookery at Cape Royds, 1955-1990
Abstract: The population dynamics of the Cape Royds rookery were modelled by computer, in order ... to determine the probable causes of the dramatic increase since 1980 in the numbers of Adelie ... penguins, Pygoscelis adeliae, breeding in the Ross Sea region, Antarctica. Variations in the extent of sea ... probably the result of a recent warming of the Ross Sea climate. Published in: New Zealand Journal of ...
Meeting Document : WG-CEMP-92/21 : Autor(es): N. Blackburn (Denmark), R.H. Taylor and P.R. Wilson (New Zealand)