Resultados de la búsqueda
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A proposal to review and strengthen the CCAMLR System of Inspection
Abstract: The CCAMLR System of Inspection was adopted in 1988 at a time when few such schemes ... in the case of a suspected breach of measures in force;? providing an ability to promptly or ... immediately stop a CCAMLR Contracting Party-flagged vessel that is found to be in breach of a CCAMLR ... in order to strengthen their ability to verify compliance with CCAMLR conservation measures. Author(s ...
Meeting Document : CCAMLR-XXVI/29 Rev. 1 : Autor(es): Delegation of Australia
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BEACH DEBRIS SURVEY SIGNY ISLAND, SOUTH ORKNEY ISLANDS 1996/97
lowest recorded since the surveys began in 1990, both in terms of weight and number of items. This ... which was brought into force by CCAMLR in 1996, almost half (49%) of the plastic items found at Signy ... in 1996/97 was the lowest ever recorded, the considerable number of packaging bands still being ... , and comply with, regulations preventing the disposal of debris in the Southern Ocean. Author(s ...
Meeting Document : CCAMLR-XVI/BG/6 : Autor(es): Delegation of the United Kingdom
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ECOLOGICAL REPERCUSSIONS OF HISTORICAL FISH EXTRACTION FROM THE SOUTHERN OCEAN
Abstract: A major mid-1980s shift in ecological structure of significant portions of the Southern ... -selected life-history patterns, and before exploitation presumably fluctuated in accordance with infrequent ... oscillated between two states, but has remained in its “positive mode” since the time of the fish extraction ... low. Correlations between predator populations and fish biomass in predator foraging areas indicate ...
Meeting Document : WG-EMM-08/P07 : Autor(es): D. Ainley and L. Blight
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Medium-term research plan for the Ross Sea toothfish fishery
to identify key research objectives for the fishery over the next 3–5 years in relation to Article II ... uncertainties in our current knowledge that need to be addressed to fulfil the requirements of Article II. These ... include, for example, uncertainty in the biological parameters and stock assessment of Antarctic toothfish ... , uncertainty in its ecological relationships with predators and prey, and uncertainty over other ecosystem ...
Meeting Document : WG-FSA-14/60 : Autor(es): Delegations of New Zealand, Norway and the United Kingdom
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Revised proposal for a dedicated krill survey for CCAMLR Division 58.4.1 during 2018/19 season by the Japanese survey vessel, Kaiyo-maru
carried out by Japanese research vessel, Kaiyo-maru. No krill biomass has been estimated in the Division ... of krill biomass to update B 0 in the division and (2) oceanographic observations in the area to ... in this document. This revised proposal is presented to WG-EMM-18 with an intention to receive ... relevant in the final plan. Author(s): H. Murase, K. Abe, R. Matsukura, H. Sasaki, T. Ichii and H. Morita ...
Meeting Document : WG-EMM-18/17 : Autor(es): H. Murase, K. Abe, R. Matsukura, H. Sasaki, T. Ichii and H. Morita
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A drone-based Antarctic fur seal (Arctocephalus gazella) census of the St. Telmo Islands, South Shetland Archipelago
to obtain in remote polar environments. The standard approach for income breeding pinnipeds, such as ... population dynamics in the South Shetland archipelago are largely driven by two breeding colonies, Cape ... 333, which represents a 79% reduction since the most recent survey in 2008, and a 90% reduction from ... the peak of recent production in 1997. Given the historical importance of Cape Shirreff and St Telmo ...
Meeting Document : WG-EMM-2019/65 : Autor(es): D.J. Krause and M.E. Goebel
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Extinction risk of Antarctic and sub-Antarctic colonies of Pygoscelid penguins under climate change context
different colonies around Antarctica. In this study, the extinction risk of Adélie, Chinstrap and Gentoo ... penguins was evaluated in order to identify the most endangered colonies under present-day and future ... intraspecific competition appears as the most important endogenous factor in all colonies. In turn, the response ... reduction of carrying capacity is mediated by a decrease in food availability and appears as key factor for ...
Meeting Document : WG-EMM-2019/74 : Autor(es): M. Huerta and S.A. Estay
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Draft Revised Management Plan for ASPA 149, Cape Shirreff and San Telmo Island, Livingston Island, South Shetland Islands
intersessional contact group formed during the 2004 meeting of the CEP/ATCM. Since a marine area is included in ... (Conservation Measure 91-02 (2000)). The draft management plan for ASPA 149 was prepared in accordance with the ... Management Plans for Antarctic Specially Protected Areas. In preparing the draft plan, a detailed assessment ... visit was made to the site in February 2001 to verify information and to ensure that the information in ...
Meeting Document : WG-EMM-04/8 : Autor(es): Delegations of Chile and USA
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Comparison of two methods to assess fish losses due to depredation by killer whales and sperm whales on demersal longline
depredated resource can be especially challenging when depredation occurs on fish in the marine environment ... accounting for spatial variations of depredation levels. In the first method, we used fishing data from 6 525 ... the two species co-occurred around vessels. The second method was new in a way that we used the ... situations reported elsewhere in the world. In addition to providing methodology insights that could be used ...
Meeting Document : WG-FSA-14/10 : Autor(es): N. Gasco, P. Tixier, G. Duhamel and C. Guinet (France)
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Catch removals due to killer and sperm whale interactions across sub-Antarctic fisheries
Abstract: Fisheries are human activities that alter resource availability for species in marine ... investigated the extent of this conflict in multiple commercial Patagonian toothfish (Dissostichus eleginoides ... associated ecosystems. Paired with increasing trends in depredation levels being detected in some areas, this ... study highlights the large scale significance of the depredation issue in subantarctic regions, where ...
Meeting Document : WG-FSA-2019/33 : Autor(es): P. Tixier, P. Burch, F. Massiot-Granier, P. Ziegler, D. Welsford, M.-A. Lea, M.A. Hindell, C. Guinet, S. Wotherspoon, N. Gasco, C. Péron, G. Duhamel, R. Arangio, R. Tascheri, S. Somhlaba and J.P.Y. Arnould