Search results
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Estimating the biodiversity of the sub-Antarctic Indian part for the ecoregionalisation of CCAMLR areas 58.5.1 and 58.6: Part II. foraging habitats of top predators from French Antarctic Territories – areas of ecological significance in the Southern Ocean
Abstract: Preliminary analysis of long term dataset on individual tracking of 19 species of ... identify area of importance for conservation in the Southern Ocean. The preliminary results on locations ... data show that top predators are largely distributed on the southern part of the Indian Ocean from the ... Ocean Tuna Commission-IOTC, Commission for the Conservation of Southern Bluefin Tuna-CCSBT, Southern ...
Meeting Document : WS-MPA-11/08 : Author(s): K. Delord, C. Bost, C. Guinet and H. Weimerskirch (France)
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Some peculiarities of the distribution and fishing of Euphausia superba in the Indian sector of the Southern Ocean (by results of USSR fleet operations in 1970–1990)
operations in the Indian sector of the Southern Ocean (statistical divisions 58.4.1 and 58.4.2) for the ... purposes of the searching of fishable aggregations of Antarctic krill (Euphausia superba). Commercial ... fishing for the Antarctic krill in the Indian sector of the Southern Ocean was carried out from 1977 to ... 1984. The main peculiarity of fishable aggregations in the Cooperation Sea as a rule out of shelf water ...
Meeting Document : WG-EMM-12/35 : Author(s): L. Pshenichnov (Ukraine)
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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 : Author(s): A. Utevsky, D. Smyrov, E. Sinna, M. Shrestha and S. Utevsky
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Preliminary results of testing of PIT-D device at deepwater longline fishery of Antarctic toothfish (D. mawsoni) in the Ross Sea during the fishing season of 2006/07
Abstract: Preliminary results of testing of a PIT-D device for autonomous measurements of ... temperature and pressure at deepwater longline fishery of Antarctic toothfish D. Mawsoni in the Ross Sea ... during the fishing season of 2006/07 are presented. Diagrams of a Spanish-type longline sink rate at ... V.V. Krjukov (Russia) Title: Preliminary results of testing of PIT-D device at deepwater longline ...
Meeting Document : WG-FSA-07/43 : Author(s): N.V. Kokorin, V.V. Bulanov and V.V. Krjukov (Russia)
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Comparative study of the size composition of catches of D. eleginoides taken during the 25th expedition of the RV Akademic Knipovich in January 1990 (Subarea 48.3)
Abstract: Patagonian toothfish (Dissostichus eleginoides) was found in catches of 25 trawls in ... the offshore area of South Georgia, and in catches of 13 trawls in the Shag Rocks Shelf. It was caught ... at all strata depths, but the most abundant catches were at 260-320 m depth. On the whole, catches of ... Patagonian toothfish consisted of juveniles 21–37 cm in length, immature fishes 41–78 cm in length and mature ...
Meeting Document : WG-FSA-97/12 : Author(s): VNIRO (Russia)
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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 : Author(s): M.H. Pinkerton, C. Ó Maolagáin, J. Forman and P. Marriott (New Zealand)
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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 : Author(s): K. Taki and T. Ichii (Japan)
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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 : Author(s): N.S. Mugue, A.F. Petrov, D.A. Zelenina, I.I. Gordeev and A.A. Sergeev (Russia)
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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 : Author(s): C.D. Jones (USA)
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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 : Author(s): D. Guihen, S. Fielding, E. Murphy, K. Heywood and G. Griffiths