Resultados de la búsqueda
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Development of methods for evaluating the management of benthic impacts from longline fishing using spatially explicit production models
no management action, but that the size of effects under the plausible models was often very small ... Abstract: An important management objective for CCAMLR in the high seas region of the Antarctic ... investigate a range of simple scenarios for simulating the effect and management of benthic impacts from ... , and spatial scale, with and without management by areal closures. Further, the management action ...
Meeting Document : WG-SAM-10/19 : Autor(es): A. Dunn, S.J. Parker and S. Mormede (New Zealand)
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An integrated stock assessment for the Kerguelen Island EEZ Patagonian toothfish (Dissostichus eleginoides) fishery in Division 58.5.1
Abstract: This paper presents an updated stock assessment for the Patagonian toothfish ... (Dissostichus eleginoides) fishery of the Kerguelen Islands EEZ, CCAMLR Division 58.5.1. It includes commercial ... fishery data up to the end of the season 2018/2019 (end of August 2019). The updated assessment model is ... based on the best available data and includes abundance estimates from random stratified trawl surveys ...
Meeting Document : WG-FSA-2019/58 : Autor(es): F. Massiot-Granier, G. Duhamel and C. Péron
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Developing a carbon-budget trophic model of the Ross Sea, Antarctica: work in progress
organisms in the Ross Sea was used whenever available. Where no information in the literature was available ... Abstract: We report on the development of a carbon-budget trophic-model of the Ross Sea. We ... provisionally defined the food web of the Ross Sea as having the following functional compartments: birds, seals ... column, ice, and benthic). The simple trophic model requires well over a hundred parameters, each of ...
Meeting Document : WG-EMM-05/18 : Autor(es): M. Pinkerton, S. Hanchet, J. Bradford-Grieve and P. Wilson (New Zealand)
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Ageing two myctophid fishes using otolith from king and macaroni penguins in the Marion Island and its implication to feeding preference of penguins on those myctophids
Abstract: Myctophids apparently represent the second largest (after krill) and most widely ... distributed biological resources in the Antarctic waters, which are the important food sources of top ... predators, particularly penguins. However, the information on age of those fishes are very limited and ... inconsistent. Moreover, the data on trophic relationship between penguins and myctophid fishes are scarce, so ...
Meeting Document : WG-FSA-18/74 : Autor(es): M. Duan, G.P. Zhu, A. Makhado and L. Wei
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Revised stock assessment of the Patagonian toothfish, Dissostichus eleginoides, in research block C of Division 58.4.4 (Ob & Lena Banks) using CASAL
Abstract: Regarding the low levels of stocks of Dissostichus spp. and the high levels of IUU ... fishing, CCAMLR decided to close the fishery in 2002 in division 58.4.4. Since 2008 only one vessel ... , Shinsei maru No. 3, has conducted research fishing in accordance with a research plan submitted under CM ... 24-01. France notifies its wish to collaborate in this research fishery over the coming years in ...
Meeting Document : WG-FSA-14/06 : Autor(es): A. Rélot-Stirnemann (France)
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Research plan for the exploratory longline fishery for Dissostichus spp. in 2016/17 in Division 58.4.3a by France and Japan
block by two vessels using longlines: Shinsei Maru No. 3 (Japan) and the Saint André (France). The catch ... Abstract: In Division 58.4.3a, since 2012, research fishing has been conducted in the research ... limit for Dissostichus spp. is 32 tonnes and the total reported catch up in 2014/2015 was 15 tonnes. A ... technical problem for the French vessel had shortened the fishing campaign. In this proposal, France and ...
Meeting Document : WG-SAM-16/03 : Autor(es): Delegations of France and Japan
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Community structure of epipelagic macrozooplankton in the Ross Sea
Abstract: During the 9th research cruise of the R/V Kaiyo-maru, macrozooplankton samples were ... collected from three layers between the surface and 200 m with RMT 8m2 along the three longitudinal lines in ... the Ross Sea and neighboring waters. Biomass and abundance (number of individuals) were 0 ~ 32.1 g ... extremely low at stations on the continental shelf along 175°E and 170°W except the southern most station ...
Meeting Document : WG-EMM-07/34 Rev. 1 : Autor(es): Y. Watanabe, S. Sawamoto, T. Ishimaru and M. Naganobu (Japan)
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Estimating the impact of depredation by killer whales and sperm whales on longline fishing for toothfish (Dissostichus eleginoides) around South Georgia
the levels of depredation caused by killer whales (Orcinus orca) and sperm whales (Physeter ... sizes normally of 4 to 10 animals, and often appear to actively seek out fishing vessels and ‘strip’ the ... . Most interactions from sperm whales occur during May at the start of the season with the sightings ... becoming fewer towards the end of the season in August. Killer whale interactions appear to be more ...
Meeting Document : WG-FSA-10/P06 : Autor(es): J. Moir Clark and D.J. Agnew
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Operational interactions between cetaceans and the Patagonian toothfish (Dissostichus eleginoides) industrial fishery off Southern Chile
100%. Considering that in 153 (84%) of the effectively monitored sets no interaction whatsoever was ... Abstract: Operational interactions between marine mammals and the Patagonian toothfish ... recorded and that the mode and median of the predation rate was 0, the global impact of cetaceans over the ... =12) the rate of predation decreased to 0%. Upon detecting orca presence, sperm whales modified their ...
Meeting Document : WG-FSA-03/95 : Autor(es): R. Hucke-Gaete, C.A. Moreno and J.A. Arata (Chile)
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RECENT TRENDS IN NUMBERS OF FOUR SPECIES OF PENGUINS AT THE PRINCE EDWARD ISLANDS
pairs of king penguins were incubating eggs at Marion Island, the larger of the two islands in the group ... , and 2000 pairs at Prince Edward Island. At Marion Island from 1987–2008, there was no long-term trend ... in numbers of king penguin chicks that survived to the end of the winter period, but there was ... considerable fluctuation in chick production in the 1990s. It was roughly estimated that on average 88% of king ...
Meeting Document : WG-EMM-10/P1 : Autor(es): R.J.M. Crawford, P.A. Whittington, L. Upfold, P.G. Ryan, S.L. Petersen, B.M. Dyer and J. Cooper