Resultados de la búsqueda
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A photographic reference set for Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea region
) from the Ross Sea region. The photographs were derived from the four otolith reference set blocks used ... by New Zealand with the “sister” otoliths provided to CCAMLR for use by other Members. Two ... photographs are provided for each otolith; one of the prepared otolith surface alone, and a second with ... symbols marking the location where each annulus was counted. The photographs link to an excel spreadsheet ...
Meeting Document : WG-SAM-18/18 : Autor(es): C. Sutton and S. Parker
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DNA barcoding highlights a cryptic species of grenadier (genus Macrourus) in the Southern Ocean
Abstract: The genus Macrourus is a small group of bentho-pelagic fishes with three species ... recognized in the Southern Ocean and one in cold temperate to Arctic waters in the North Atlantic Ocean. DNA ... four well supported clades among the three Southern Ocean species. Additional specimens collected in ... the Ross Sea region, and provisionally identified as M. whitsoni, were divided into two COI haplotypes ...
Meeting Document : WG-FSA-10/33 : Autor(es): P.J. Smith (New Zealand), D. Steinke (Canada), P.J. McMillan, A.L. Stewart, S.M. McVeagh (New Zealand), J.M. Diaz De Astarloa (Argentina), D. Welsford and R.D Ward (Australia)
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A comparison of gear selectivity among three fishing gears for Antarctic krill with notes on the demographic patterns and productivity of Antarctic krill during summer 2014
Abstract: Three different trawls were used to sample Antarctic krill for the determination of ... demographic and abundance patterns around the South Shetland Islands during Austral summer 2014. A 60cm BONGO ... Distribution Functions (EDFs) for the three gears varied over about 7mm, with the BONGO net catching the ... largest range of krill (15mm to 60mm), while the ENGEL trawl captured the narrowest (27 to 61), and the ...
Meeting Document : WG-EMM-14/37 : Autor(es): C. Reiss (USA) and M. Espino Sanchez (Peru)
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Analysis of krill fishery behaviour in the southwest Atlantic: potential signals for moving fishing activities amongst SSMUs
Abstract: This paper outlines the difference in fishing patterns between regions (Subareas) and ... seasons by analyzing CPUE (catch per hour) patterns towards the end of their sets of operations before ... leaving a SSMU, as well as its timing of the day, diurnal pattern of CPUE and fishing depth. Vessels tend ... than a day to explore the fishing grounds from multiple options for the start of the fishing season ...
Meeting Document : WG-EMM-07/27 : Autor(es): S. Kawaguchi, A. Constable and S. Nicol (Australia)
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Information on the CEP’S Antarctic site inventory
Environmental Protection (CEP) the nature of available data from the Antarctic Site Inventory, and to invite ... Abstract: In 2004, the Commission tasked the Secretariat to discuss with the Committee on ... consideration by appropriate Working Groups of whether the data would be of value to CCAMLR. Information about ... the data is presented for consideration by WG-EMM. Author(s): Secretariat Title: Information on the ...
Meeting Document : WG-EMM-05/39 : Autor(es): Secretariat
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Preliminary analyses in support of the CEMP Review Workshop: serial correlations
Abstract: As part of the preliminary analyses undertaken in preparation for the CEMP Review ... Workshop, the Secretariat has documented serial correlation in time series of CEMP indices. The values ... input to the serial correlation analysis were the ‘transformed’ annual index values reported in WG-EMM ... -03/24. Serial correlation in biological indices occurred in 4, 10 and 33 % of the time series at ...
Meeting Document : WG-EMM-03/27 : Autor(es): Secretariat
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Demography and population trends of the Atlantic yellow-nosed albatross
Abstract: The Atlantic Yellow-nosed Albatross (Thalassarche chlororhynchos) breeds only at the ... Tristan da Cunha archipelago and Gough Island in the central South Atlantic Ocean, and is threatened by ... mortality from longline fisheries operating in the South Atlantic. Demographic data have been collected from ... two study colonies on Gough Island and Tristan da Cunha for 20 years. Annual variation in the number ...
Meeting Document : WG-FSA-03/37 : Autor(es): R. Cuthbert (United Kingdom), P.G. Ryan, J. Cooper (South Africa) and G. Hilton (United Kingdom)
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Antarctic fur seals in the South Shetland Islands: pup production and population trends
Abstract: Discovered in 1819, the South Shetland Islands soon became the focus of intensive ... and did not begin re-colonizing until ~80yrs later. The first reported pups born post-exploitation ... reports the results of a ground survey of all known fur seal colonies from Smith to Elephant Islands from ... %) and San Telmo Islands (21%). Dead pups accounted for 1.37% of the total. A comparison with previous ...
Meeting Document : WG-EMM-02/51 : Autor(es): M.E. Goebel (USA), V.I. Vallejos (Chile), W.Z. Trivelpiece, R.S. Holt (USA) and J. Acevedo (Chile)
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Distribution, biological characteristic and biomass of icefish from the results of inventory trawling survey carried out by STM-8390 Atlantida in January–March 2002
Abstract: Results of the inventory trawling survey of icefish carried out by Russian vessel STM ... -8390 Atlantida in February 2002 in Subarea 48.3 are presented. During this period, the fish were mainly ... foraging. Champsocephalus gunnary 22-28 cm in length at the age of 2-3 predominated on all grounds of the ... Subarea, except the north-eastern part. During the survey, specimens 15 cm in length at the age of 2 ...
Meeting Document : WG-FSA-02/79 : Autor(es): Zh.A. Frolkina and P.S. Gasiukov (Russia)
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The New Zealand toothfish fishery in Subareas 88.1 and 88.2 from 1997/98 to 2001/02
Abstract: Results from the 2002 season of the New Zealand toothfish fishery in Subarea 88.1 & ... . The catch for the 2002 season was almost double that for 2001, and CPUE was the highest for any year ... . The principal bycatch species continues to be the rattail Macrourus whitsoni, with skates ... , particularly Amblyraja georgiana, the only other significant bycatch. Author(s): S.M. Hanchet, P.L. Horn, M.L ...
Meeting Document : WG-FSA-02/38 : Autor(es): S.M. Hanchet, P.L. Horn, M.L. Stevenson and N.W. McL. Smith (New Zealand)