Search results
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MODELING PREDATION BY TRANSIENT LEOPARD SEALS FOR AN ECOSYSTEM-BASED MANAGEMENT OF SOUTHERN OCEAN FISHERIES
Abstract: Correctly quantifying the impacts of rare apex marine predators is essential to ... species and their dependent predators. This requires modelling the uncertainty in such processes as ... prey vulnerability. We combined these uncertainties to evaluate the predatory impact of transient ... assess the implications for an ecosystem-based management. The mesopredators are highly dependent on ...
Meeting Document : WG-EMM-09/P08 : Author(s): J. Forcada, D. Malone, J.A. Royle and I.J. Staniland
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Seabird research at Cape Shirreff, Livingston Island, Antarctica, 2004/05
Abstract: The eighth complete consecutive season of data collection at Cape Shirreff has enabled ... diet, and foraging behaviour. The chinstrap breeding population at Cape Shirreff has continued to ... decline over the past six years, and is at its lowest size in the past eight years of study, and fledging ... success was poor compared to earlier years of study. The gentoo breeding population, in contrast, has ...
Meeting Document : WG-EMM-05/9 : Author(s): A.K. Miller, E. Leung and W.Z. Trivelpiece (USA)
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Krill stock evaluation with data from commercial fishing vessels
. The use of such vessels as platforms for survey transects under scientific supervision has already ... board during normal fishing operations in a relatively easy and cheap manner using the Norwegian vessel ... ‘Saga Sea’ in 2011 as example. A one-month subset of the acoustic data from February/March was processed ... within a time-frame of a week and linked to krill length data from the same period. The data from the ...
Meeting Document : WG-EMM-12/63 : Author(s): G. Skaret (Norway), J. Moir Clark (United Kingdom), O.R. Godø, R.J. Korneliussen, T. Knutsen, B.A. Krafft and S.A. Iversen
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CCAMLR protocol for krill biomass estimation
Abstract: The original calculation of B 0 arising from the CCAMLR-2000 survey was undertaken at ... the B 0 workshop held in La Jolla, USA, in May 2000 (SC-CAMLR-XIX, Annex 4, Appendix G). A number of ... ; Conti and Demer, 2005) that led to the re-analysis of the CCAMLR-2000 survey at a workshop held in ... Cambridge, UK, in June 2010 (SC-CAMLR-XXIX, Annex 5). There remains some ambiguity to the interpretation of ...
Meeting Document : SG-ASAM-16/02 : Author(s): S. Fielding, A. Cossio, M. Cox, C. Reiss and G. Skaret
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Predation on cephalopods by Pygoscelis papua and Arctocephalus gazella at South Orkney Islands
Abstract: The cephalopod diet of the Gentoo penguin, Pygoscelis papua and the Antarctic fur seal ... samples were collected by the water off-loading method from Gentoo penguins during the autumns of 1993 ... % of the samples. Lower beaks identified belonged exclusively to the squid Psychroteuthis glacialis ... . The mean lower rostral length (LRL) of these beaks was 1.1 mm (range 0.4- 1.8 mm). From the Antarctic ...
Meeting Document : WG-EMM-04/68 : Author(s): M.M. Libertelli, G.A. Daneri (Argentina), U. Piatkowski (Germany), N.R. Coria and A.R. Carlini (Argentina)
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Soviet krill fishery in 1977–1992, Part 1. Distribution, fishing effort, interannual situation patterns
Abstract: The data on Soviet krill fishery in i977-1992 are presented. The fishing effort (FE ... ) developed in 1977-1991 was 50086 fishing days in total. According to the pictures presented FE was ... distributed between subareas 48.1, 48.2 and 48.3. Monthly FE distribution between subareas revealed the three ... : FE was developed mostly in subarea 48.2, since 1985 the role of 48.3 is increasing. Type III: 1987 ...
Meeting Document : WG-EMM-01/57 : Author(s): F.F. Litvinov, V.A. Sushin, G.A. Chernega and O.A. Berezhinskiy (Russia)
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Krill population trends
of sources: from net surveys (the longest historical series of available date), from acoustic surveys ... , from fisheries data and from the distribution of krill predators. Each of these forms of data ... abundance comes from utilising the various forms of data to the maximum extent possible. Time series data ... are really only available from the South Atlantic where scientific netting programs and annual ...
Meeting Document : CCAMLR-IWC-WS-08/11 : Author(s): Tarling, G., Watkins, J., Quetin, L., Reiss, C., Atkinson, A., Ross, R., Pakhomov, E., Kawaguchi, S., Nicol, S., Siegel, V.
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Krill CPUE standardisation and comparison with acoustic data based on data collected from Chinese fishing vessels in Subarea 48.1
Abstract: The usability of CPUE data as Antarctic krill abundance index was a widely discussed ... issue. Many studies suggested the CPUE data should be standardized before using as abundance/biomass ... index. We tried to develop general additive models to standardize the CPUE data collected from Chinese ... fishing vessels during 2009/10-2013/14 seasons. We also compared the CPUE data and acoustic data collected ...
Meeting Document : WG-EMM-17/41 : Author(s): Y. Ying, X. Wang, J. Zhu and X. Zhao
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REVIEW OF CCAMLR TRANSLATION REQUIREMENTS
Abstract: As directed by the Commission, this paper reviews all CCAMLR’s translation needs for ... the 2001–2008 period. Note is taken of the growing translation demand in terms of the number of pages ... requiring translation annually and the increase in translation complexity. Trends in Secretariat translation ... costs are also provided. The context provided by the review is used to identify four areas for attention ...
Meeting Document : CCAMLR-XXVIII/10 Rev. 1 : Author(s): Executive Secretary
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Beach debris survey – Main Bay, Bird Island, South Georgia, 2003/04
Abstract: During the fourteenth year of standardised beach surveys of man-made debris at Bird ... represents an increase of 97% on the 183 items recorded in 2002/03 and the highest levels of summer beach ... debris (232 items) since the 1999/00 season. The total weight of debris collected has also increased by ... 1.82 kg since last year to 5.39 kg. The highest proportion of marine debris collected comprised ...
Meeting Document : SC-CAMLR-XXIV/BG/15 : Author(s): Delegation of the United Kingdom