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The Role of Fish as Predators of Krill (Euphausia superba) and Other Pelagic Resources in the Southern Ocean
consumption by Antarctic demersal fish. These estimates were extended to the mesopelagic realm and the high ... number of food studies were conducted. Currently, the best estimates of krill consumption by fish are 23 ... – 29. 106 tonnes of krill and other pelagic prey taken annually by demersal fish and 7 – 44. 106 tonnes ... taken by mesopelagic fish in the Atlantic Ocean sector only. However, these estimates still have wide ...
Meeting Document : CCAMLR-IWC-WS-08/09 : Автор(ы): Collins, M.A., Williams, R., Agnew, D.J., Kock, K.-H., Belchier, M., Shust, K.V., Welsford, D., Hanchet, S., Pshenichnov, L., Barrera-Oro, E.
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Escapement of elephant seal prey in the Heard Island fishery for Dissostichus eleginoides
preyed on by these seals. This paper provides an updated analysis of the age of toothfish taken by ... examine the level of escapement of fish preyed on by these seals under the current Total Allowable Catch ... 2-6 years are likely to be vulnerable, to some extent, to predation by Elephant seals. The ... the 75% level adopted by CCAMLR for other prey species such as for krill, Euphausia superba, generally ...
Meeting Document : WG-EMM-97/42 : Автор(ы): Slip, D., Constable, A.J., de la Mare, W.K., Williams, R.
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Exploratory longline fishing around the Kerguelen Islands (Division 58.5.1). Description of the fishing effort; catchability and target size of Dissostichus eleginoides
fishing carried out by one of these longliners has allowed a description of fishing methods to be made ... by trawlers. The vessel is equipped with an automatic longline baiter which has an efficiency of ... about 75%. The catch rate has been assessed as being about 10.9%, but this average is reduced by the ... the order of 10.2%. The catch is almost exclusively made up of Dissostichus eleginiodes, by-catches ...
Meeting Document : WG-FSA-92/31 Rev. 1 : Автор(ы): G. Duhamel (France)
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Report to CCAMLR-XXIX on the implementation of the Agreement on the Conservation of Albatrosses and Petrels
and CCAMLR, such as information on the conservation status and threats faced by ACAP species found in ... Abstract: ABSTRACT This paper reports on progress made by the Agreement on the Conservation of ... ;- setting at night; and- actively deterring birds from baited hooks by means of bird scaring lines, in ... , endorsed at CCAMLR XXVIII, has been approved by ACAP Parties. The signing of the MoU by the respective ...
Meeting Document : CCAMLR-XXIX/BG/18 : Автор(ы): ACAP Secretariat
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Recent population estimates and trends in numbers of albatrosses and giant petrels breeding at the sub-Antarctic Prince Edward Islands
have remained stable, whereas the population on Prince Edward Island decreased by 20% from 2001 to 2008 ... sooty albatrosses P. fusca on Marion Island have decreased by almost 2% per year since 1996, continuing ... increased by almost 6% per year at Marion Island since 1996. Counts of both giant petrels increased at ... Prince Edward Island (northern Macronectes halli by 44%; southern M. giganteus by 28%), whereas their ...
Meeting Document : WG-EMM-10/P04 : Автор(ы): P.G. Ryan, M.G.W. Jones, B.M. Dyer, L. Upfold and R.J.M. Crawford
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The use of electronic monitoring camera system for the toothfish fishery in CCAMLR Subarea 48.3: a study case to help CCAMLR
fishery around CCAMLR Subarea 48.3 have, to date, been limited to in situ line observations conducted by ... coverage of all setting and hauling activities on this vessel. It proved to be reliable, easy to set up by ... by a scientific observer was compared with recorded video footage recorded by 3 different video ... vertebrate counted in situ and in the video footage by the different video reviewers (observers). However ...
Meeting Document : WG-FSA-14/27 : Автор(ы): R.A. Benedet (United Kingdom)
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UAV for monitoring environmental changes on King George Island (South Shetland Islands) Antarctica: preliminary study on wildlife disturbance
differences were found between control and overflights by electric UAVs. During the overflight by UAV powered ... investigate potential effects of wildlife disturbance by UAVs. In austral summer 2014-2015 UAV overflights ... different types of behavior displayed by one bird during the observation periods were compared. No ... by combustion engine, symptoms of vigilance were noticed with penguins looking up and around for a ...
Meeting Document : WG-EMM-15/50 : Автор(ы): A. Kidawa, M. Korczak-Abshire, A. Zmarz, R. Storvold, M. Rodzewicz, K. Chwedorzewska, S-R. Karlsen and A. Znój (Poland)
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Establishing time-limited Special Areas for Scientific Study in newly exposed marine areas following ice shelf retreat or collapse in Subarea 48.1, Subarea 48.5 and Subarea 88.3 – Clarifications and options to further develop the 2015 proposal
recommendation by the Antarctic Treaty Meeting of Experts on Climate Change in 2010. The scientific basis of the ... agreed by most Members to be an appropriate and practicable response to an important issue. However, a ... number of points for clarification were raised by the Scientific Committee and the Commission. In this ... paper, we present some clarifications and options for the proposed mechanism by which Special Areas for ...
Meeting Document : WG-EMM-16/27 : Автор(ы): S. Grant and P. Trathan
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Seabird mortality in the artisanal austral hake and Patagonian toothfish longline fisheries in southern Chile
. Accordingly, seabird by-catch was 0.030 birds/1000 hooks in the Austral hake fishery, mainly accounted by ... birds caught during the slow process of hauling. The overall by-catch rate in the Patagonian toothfish ... was 0.047 birds/1000 hooks. Considering the big fishing effort deployed by the artisanal toothfish ...
Meeting Document : WG-FSA-04/54 : Автор(ы): C.A. Moreno, P. Rubilar, J. Arata, R. Hucke-Gaete (Chile) and G. Robertson (Australia)
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The CAML/SCAR-MarBIN Biogeographic Atlas of the Southern Ocean
biodiversity hotspots. At the end of five years of extensive biodiversity exploration and assessment by the ... , and following the intense compilation efforts of biogeographic data by the SCAR-Marine Biodiversity ... ) south of 40°S. The hard copy version in large format will be extended by a dynamic online version on the ... SCAR-MarBIN portal. Author(s): Submitted by SCAR Title: The CAML/SCAR-MarBIN Biogeographic Atlas of ...
Meeting Document : CCAMLR-XXX/BG/11 : Автор(ы): Submitted by SCAR
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