Search results
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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 : Author(s): 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 : Author(s): ACAP Seabird Bycatch Working Group
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Exploratory longline fishing around the Kerguelen Islands (Division 58.5.1). Description of the fishing effort; catchability and target size of Dissostichus eleginoides
fact that fish become unhooked along the side of the ship, which leads to a real catchability value in ... in 1991/92) and that of females (L = 98.70 cm in 1.990/91 and 98.61 cm in 1991/92). The sex ratio is ... fishing over the western shelf break of the Kerguelen shelf (Division 58.5.1). Scientific monitoring of ... . Bottom longlines are generally used at depths of 400 to 600 m. The mainline (1 to 2 miles long) carries ...
Meeting Document : WG-FSA-92/31 Rev. 1 : Author(s): G. Duhamel (France)
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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 : Author(s): Antarctic Treaty Secretariat, c/o Dr P. Penhale, CEP Representative to the CCAMLR MPA Workshop
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On the problem of diurnal migrations of some fish species on the South Georgia shelf (Subarea 48.3)
Abstract: The results of experiments on the South Georgia Shelf carried out in the period of 1986 ... was the most distinctive in Ch.gunnari fry. The individuals used to ascend towards the water column ... individuals were found in the pre-bottom layer by day, being presented their small quantities in the water ... sunset) they ascended into the water column where they were found in the superficial layer. No ...
Meeting Document : WG-FSA-99/64 : Author(s): I.A. Trunov, J.A. Frolkina and M.P. Konstantinova (Russia)
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Changing status of three notothenioid fish at the South Shetland Islands (1983–2016) after impacts of the 1970–80s commercial fishery
2007 and 2012 around the South Shetland Islands: (1) continued increase in the abundance of N. rossii ... but seemingly relate to the dramatically changing ecosystem of the region due in part to climate as ... with trends reported in seabirds that feed on juveniles of these notothenioids: decrease in the areas ... commercially fished. Under the regulation of CCAMLR, commercial fishing for finfish in the South Shetland ...
Meeting Document : WG-FSA-17/P01 : Author(s): E. Barrera-Oro, E. Marschoff and D. Ainley
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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 : Author(s): N. Blackburn (Denmark), R.H. Taylor and P.R. Wilson (New Zealand)
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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 : Author(s): R. Casaux, L. Bellizia and A. Baroni (Argentina)
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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 : Author(s): G. Pilling, T. Daw, M. Purves, D. Agnew and J. Xavier (United Kingdom)
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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 : Author(s): S.M. Kasatkina and P.S. Gasyukov (Russia)