Resultados de la búsqueda
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Analysis of operating conditions of the fishing vessel in relation to the distribution, biological state and behaviour of Antarctic krill (a contribution to the development of a simulation model)
Abstract: The paper considers peculiarities of krill fishery conducted by a krill fishering and ... four areas the average catch per hour was maintained at the same level of 5-8 t to permit full ... utilisation of raw krill for processing. The catsh size was regulated by varying haul duration on yhe basis on ... echo recordings. Changrs of fishing areas were sometimes caused by weather conditions but yhe chif ...
Meeting Document : SC-CAMLR-VIII/BG/23 : Autor(es): Delegation of USSR
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Acoustic and underwater survey of the Argentine Islands (West Antarctic) water area for development of network of testing sites in the summer season of 2019
Abstract: In the summer season of 2019 (February-April), acoustic and underwater studies of the ... seabed off the Argentine Islands were continued. The purpose of these studies was further development of ... a network of underwater testing sites in the water area of the Argentine Islands. Author(s): A ... . Utevsky, D. Smyrov, E. Sinna, M. Shrestha and S. Utevsky Title: Acoustic and underwater survey of the ...
Meeting Document : WG-EMM-2019/19 : Autor(es): A. Utevsky, D. Smyrov, E. Sinna, M. Shrestha and S. Utevsky
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Assessment of the stocks of abundant fish species in the South Georgia subarea (48.3) made on the basis of data obtained from the RV Atlantida trawl survey of April/May 1991
the results of a census trawl survey carded out in April-May 1991. This paper contains data on ... Abstract: The seventh cruise of the RV Atlantida was a continuation of regular AtlantNIRO ... research into the status of Chaenichthyidae and Nototheniidae fish in Statistical Subarea 48.3 (South ... Georgia, Shag Rocks and Black Rocks). The minimum biomass of commercial fish species was calculated from ...
Meeting Document : WG-FSA-91/23 Rev. 1 : Autor(es): V.I. Shiblanov, Zh.A. Frolkina, R.S. Dorovskikh, V.A. Khvichiya (USSR)
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Discrimination of two species of grenadier (Gadiformes, Macrouridae), Macrourus whitsoni and M. caml, in the Ross Sea region of the Southern Ocean (CCAMLR Subareas 88.1 and 88.2) on the basis of otolith morphometrics
Abstract: Two species of grenadier are predominatly taken as bycatch in the Ross Sea region ... , Macrourus whitsoni and M. caml. A total of 220 otoliths from M. whitsoni and 307 otoliths of M. caml from ... used to test whether the otoliths of the two species can be discriminated. Samples of both species of ... macrourid were obtained from SSRUs 88.1B, 88.1C, 88.1H, 88.1J, 88.1K and from 88.2H. Lengths of M. whitsoni ...
Meeting Document : WG-FSA-14/63 : Autor(es): M.H. Pinkerton, C. Ó Maolagáin, J. Forman and P. Marriott (New Zealand)
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Characteristics of population-genetic structure of Antarctic toothfish (Dissostichus mawsoni) from near-continental seas of Pacific, Indian and Atlantic sectors of the Antarctica
Abstract: Population-genetic structure of Antarctic toothfish (Dissostichus mawsoni) was ... of recent samplings of toothfish from CCAMLR Subareas – 88.1, 58.4.1, 58.4.2 and 48.6. Our findings ... genetic structure. Our results, based on analysis of nuclear genetic markers presented in Kuhn and Gaffney ... , 2008, do not support genetic differentiation of samples from Ross Dependency. Difference in allelic ...
Meeting Document : WG-FSA-12/21 : Autor(es): N.S. Mugue, A.F. Petrov, D.A. Zelenina, I.I. Gordeev and A.A. Sergeev (Russia)
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Results of reading tests of TOP otolith sections and time schedule of reading for Dissostichus otoliths caught in regions of data-poor fisheries
Abstract: The correct age-length keys are essential for the stock assessment of Dissostichus spp ... regions of data-poor fisheries. Therefore the analysis is an urgent task. We have made five reading tests ... using images of thin-sectioned TOP otoliths in December 2012 and May 2013. The coefficient of variation ... ) is lower than the threshold of 10 % for five tests, with one of them being close to 10 %. This ...
Meeting Document : WG-SAM-13/19 : Autor(es): K. Taki and T. Ichii (Japan)
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An assessment of the use of ocean gliders to undertake acoustic measurements of zooplankton: the distribution and density of Antarctic krill in the Weddell Sea
, in separate survey boxes on the continental shelf to the east of the Antarctic Peninsula, to assess ... the distribution of Antarctic krill (Euphausia superba). During the glider missions, a research vessel ... analysis of glider pitch and roll indicated that, if not taken into account, glider orientation can impact ... around a depth of 60 m. Monte Carlo simulation of glider subsampling of ship-borne data showed no ...
Meeting Document : WG-EMM-14/P02 : Autor(es): D. Guihen, S. Fielding, E. Murphy, K. Heywood and G. Griffiths
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Revised estimates of seabed areas within the 500 m isobath of the South Orkney Islands (Subarea 48.2) and consequences for standing stock biomass estimates of nine species of finfish
Abstract: A revised bathymetric map of the South Orkney Islands (Subarea 48.2) was generated ... extends from 60.2ºS-62.2ºS latitude and 42.5º-47.5º longitude. From the integrated data sets, areas of ... interpolated surface area of seabed incorporating seafloor slope. These results were compared to the previously ... reported estimates of Everson (1997) for the 50-150, 150-250, and 250 to 500 m depth intervals. The updated ...
Meeting Document : WG-FSA-99/33 : Autor(es): C.D. Jones (USA)
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Update of analysis on sea-ice concentration of southern part of 48.6 and 58.4.2 for the new research block on expected spawning ground of TOA
Abstract: Following WG-SAM-16/42 Rev. 1, we updated the analysis on the sea-ice concentration of ... concentration of 58.4.2 to examine accessibility there for fishing vessels as candidate for a new research block ... . This research block is hypothesized as one of spawning grounds for TOA by Taki (WG-FSA-16/32 Rev. 1 ... . Namba, T. Ichii and T. Okuda Title: Update of analysis on sea-ice concentration of southern part of ...
Meeting Document : WG-SAM-17/10 : Autor(es): T. Namba, T. Ichii and T. Okuda
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Proposals of standardisation of complex investigations aimed at creation of a system of biologo-oceanographic monitoring in the Antarctic water
Author(s): Delegation of USSR Title: Proposals of standardisation of complex investigations ... aimed at creation of a system of biologo-oceanographic monitoring in the Antarctic water Approval ...
Meeting Document : SC-CAMLR-VIII/BG/04 : Autor(es): Delegation of USSR