Resultados de la búsqueda
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Plan of research program of the Russian Federation in Subarea 48.5
Abstract: Research program in the Weddell Sea in season 2015/2016 and the following seasons ... presented by the Russian Federation was prepared in accordance with recommendations of the Scientific ... Federation and adopted by the SC in 2012 (WG-FSA-12/12). Past WG-SAM-2015 (Warsaw, Poland) made no ... -35” obtained by the vessel in 2014. But, the Convention and Conservation Measures in force (Schedule ...
Meeting Document : WG-FSA-15/29 : Autor(es): Delegation of the Russian Federation
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Scientific contribution to the 2016 review of Conservation Measure 51-07: Part 2 – outcomes from the application of the risk assessment framework for distributing the krill trigger level in Area 48
for distributing the krill trigger level in Area 48, which was described in Part 1 of this work (WG ... , including consideration of the matters raised by WG-EMM in 2016. The framework presented in Part 1 is shown ... explored in that review. The assessment primarily uses two factors to underpin the index of risk – the ... potential for fishing effects in areas with higher proportions of young krill (source areas) and predation ...
Meeting Document : WG-FSA-16/48 Rev. 1 : Autor(es): A. Constable (on behalf of the e-group on CM 51-07 WG-EMM review)
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Change in environmental conditions of the Southern Ocean observed by satellites and data-assimilating models between 1981 and 2019
Abstract: We provide a summary of environmental change in the Southern Ocean over the period of ... movement north of the Subantarctic Front; (3) increasing chl-a and NPP in the Subantarctic Front and around ... the southern limit of the ACC except in the Ross Sea region; (4) decreasing chl-a and NPP in the Ross ... Sea sector and on the Antarctic continental shelf; (5) gradual loss of sea-ice in the Amundsen Sea and ...
Meeting Document : WG-EMM-2019/39 : Autor(es): M. Pinkerton
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Report of the UK Groundfish Survey at South Georgia (CCAMLR Subarea 48.3) in January/February 2019
in 2017, but is comparable with the long term average. The highest catches were on the moraine banks ... of the two northern strata and at the western end of Shag Rocks, with one high catch recorded in the ... South West stratum. Clear regional differences in C. gunnari diet composition were observed. At Shag ... . superba as a prey species varied across the four regions at South Georgia, ranging from 10.48% IRI in the ...
Meeting Document : WG-FSA-2019/20 : Autor(es): S. Gregory, P. Hollyman, T. Earl, A. Clement, J. Visagie, L. Featherstone and M. Belchier
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Killer whale Orcinus orca and sperm whale Physeter macrocephalus interactions with longline vessels in the Patagonian toothfish fishery at South Georgia, South Atlantic
Living Resources) observers between 2000 and 2002 at South Georgia (Subarea 48.3) in the Southeast ... deployed in depths of 300 to 2000m, concentrated along the 1000m contour. Sperm whales were the most ... abundant marine mammals observed in the vicinity of vessels when lines were being hauled, occurring during ... were not often sighted. Interactions with killer whales were most often observed in the day, mostly in ...
Meeting Document : WG-FSA-03/27 : Autor(es): M.G. Purves (United Kingdom), D.J. Agnew (United Kingdom), E. Balguerías (Spain), C.A. Moreno (Chile) and B. Watkins (South Africa)
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A REVIEW OF BIAS AND UNCERTAINTY IN ANTARCTIC PACK-ICE SEAL ABUNDANCE ESTIMATES
groups, including abundance, trends in abundance, habitat utilisation, foraging and growth, this review ... of pack-ice seals focuses primarily on abundance and to a lesser extent trends in abundance. The ... encountered in the pack-ice and fast-ice surrounding Antarctica (crabeater seal Lobodon carcinophaga, Ross ... than 50 years from when pack-ice seal surveys were first undertaken and reported in the 1950s to the ...
Meeting Document : CCAMLR-IWC-WS-08/06 : Autor(es): Steinhage, D., Bengtson, J., Blix, A.S., Bester, M., Boveng, P., Laake, J., Cameron, M., Nordøy, E., Forcada, J., Stewart, B., Southwell, C., Trathan, P., Rogers, T., Plotz, J., Bornemann, H.
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Spatial and seasonal distribution of adult Oithona similis in the Southern Ocean: predictions using boosted regression trees
of the cyclopoid copepod Oithona similis in the Southern Ocean. Nearly 20 000 samples from the ... probability of detection (presence) and relative abundance of adults of this zooplankton species in surface ... ) of adult O. similis between November and March in much of the Southern Ocean. No investigation was ... conditions in a broadly similar way throughout the Southern Ocean. Compared to a compilation of nethaul data ...
Meeting Document : WG-EMM-10/P14 : Autor(es): M.H. Pinkerton, A.N.H. Smith, B. Raymond, G.W. Hosie, B. Sharp, J.R. Leathwick and J.M. Bradford-Grieve
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A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997/98 to 2009/10
Abstract: The exploratory fishery for Dissostichus spp. Has now been operating for 14 years in ... Subarea 88.1 and for 9 years in Subarea 88.2. This report summarises the timing, depth, and location of ... 2009–10. During the 2009–10 fishing year most of the catch in Subarea 88.1 came from the slope SSRUs ... 881H and 881I, with a reduced catch from 881K due to ice conditions. The catch limit in the north was ...
Meeting Document : WG-FSA-10/23 : Autor(es): S.M. Hanchet, M.L. Stevenson and A. Dunn (New Zealand)
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Species variability and population structure of Euphausiacea in Admiralty Bay (King George Island; South Shetland Islands) during Antarctic summer
Abstract: The main component of zooplankton in Antarctic pelagic waters, apart from copepods or ... salps, are specimens representing euphausiids. In fjordic areas like Admiralty Bay, data concerning ... expedition to the H. Arctowski station in the Antarctic summer 2008-2009. Biological materials were collected ... in the central part of Admiralty Bay, in Ezcurra Inlet and in the smaller coves of the bay using the ...
Meeting Document : WG-EMM-14/60 : Autor(es): A. Panasiuk-Chodnicka, J. Wawrzynek and M. Iwona Żmijewska (Poland)
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Updated status of Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps in inshore sites of the South Shetland Islands: results of a long-term monitoring program (1983–2016) at Potter Cove
Abstract: Trammel net surveys were continued in Potter Cove, South Shetland Islands, Antarctica ... , to achieve a 33-year record, 1983-2016, to monitor changes in the prevalence of three species of ... consistent with those achieved from the most recent offshore bottom trawl research cruises in 2007 and 2012 ... around the South Shetland Islands: 1) a continuous increase in the abundance of N. rossii; 2) further ...
Meeting Document : WG-FSA-16/02 : Autor(es): E. Barrera-Oro, E. Marschoff and D. Ainley