Search results
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Models of Antarctic marine ecosystems in support of CCAMLR and IWC: background
is currently in draft form open to comment and is being developed to provide an introduction to the ... to the use of ecosystem models in CCAMLR and the IWC and a history of the developmental work in those ... organisations. It also provides an outline of the nature of modelling for these purposes and the general issues ... addressing uncertainties in this process. Lastly, it summarises the modelling platforms being developed in ...
Meeting Document : CCAMLR-IWC-WS-08/03 : Author(s): Constable, A.
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ICED workshop and conference session on Southern Ocean foodwebs and scenarios of change
Abstract: The ICED programme is investigating how climate change might impact Southern Ocean ... conference session in the near future in order to address these issues. The theme of the November 2013 ... workshop is “Southern Ocean food webs and scenarios of change”, and that of the June 2014 conference ... session is “Detecting, projecting and managing the impacts of change in Southern Ocean ecosystems”. We ...
Meeting Document : WG-EMM-13/13 : Author(s): R.D. Cavanagh on behalf of the international ICED Scientific Steering Committee
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Annual migrations of pelagic fish stocks into a krill hotspot
Abstract: We report here on the existence of seasonal fish migrations into a krill hotspot ... , utilized both by central place foragers and the industry. We do not have trawl samples overlapping with the ... acoustic data, but the behaviour displayed suggests that the fish are planktivorous. Furthermore, the ... from krill on a single frequency. Trawl catches in the area during 2019 gave high densities of mackerel ...
Meeting Document : WG-EMM-2019/33 : Author(s): T. Klevjer
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Ross Sea Environment and Ecosystem Voyage 2019
Abstract: New Zealand carried out a 40-day voyage to the Ross Sea from 8 January to 16 February ... 2019 using the research vessel Tangaroa. The purpose of this multi-disciplinary research voyage was to ... increase knowledge about key environmental and biological processes in the Ross Sea region of Antarctica ... and the Southern Ocean, and thereby improve understanding of ecosystem function and likely responses ...
Meeting Document : WG-EMM-2019/38 : Author(s): R.L. O’Driscoll, D. Bowden and M.H. Pinkerton
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Second International Fishers Forum: executive summary Western Pacific Regional Fishery Management Council
Abstract: While work to develop solutions to reduce the bycatch of seabirds and sea turtles by ... the waters of many nations during their life cycle. To further this cause, the Western Pacific Fishery ... Regional Fishery Management Council hosted the Second International Fisheries Forum (IFF2), November 19-22 ... , 2002, in Honolulu, Hawaii. IFF2 built on the First International Fishers Forum (IFF1) held in Auckland ...
Meeting Document : WG-FSA-03/25
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Population trends of albatrosses and petrels at sub-Antarctic Marion Island
Abstract: We report on the population changes of five species of Procellariiform seabirds ... -chinned petrel (Procellaria aequinoctalis). The four large surface-nesting species (wandering albatross ... , grey-headed albatross and the northern and southern giant petrel) show similar population trends over ... the last 16-18 years. All were stable or decreasing during the 1980s, followed by a recovery period ...
Meeting Document : WG-FSA-01/11 : Author(s): D.C. Nel, P.G. Ryan, R.J.M. Crawford, J. Cooper and O. Huyser (South Africa)
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Effect of orientation on broadband acoustic scattering of Antarctic krill Euphausia superba: implications for inverting zooplankton spectral acoustic signatures for angle of orientation
and video footage from several Antarctic krill were carried out to determine the effect of animal ... incidence relative to the incident acoustic wave exhibited widely spaced, deep nulls, whereas off-broadside ... echo spectra had a more erratic structure, with several closely spaced nulls of variable depth. The ... pattern of changes in echo spectra with orientation for the experimentally measured acoustic returns was ...
Meeting Document : WG-EMM-99/41 : Author(s): L.V. Martin Traykovski (USA), R.L. O’Driscoll (New Zealand) and D.E. McGehee (USA)
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Southern right whale (Eubalaena australis) reproductive success is influenced by krill (Euphausia superba) density and climate
Abstract: The reproductive success of southern right whale (Eubalaena australis) depends on body ... change in the abundance of the species main prey, krill (Euphausia superba), on the feeding grounds ... between 1997 and 2013 in southern Brazil, where the species concentrate during their breeding season. The ... analysis we examined the response of the species to climate anomalies and krill densities. Significant ...
Meeting Document : WG-EMM-16/P06 : Author(s): E. Seyboth, K.R. Groch, L. Dalla Rosa, K. Reid, P.A.C. Flores and E.R. Secchi
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A review and analysis of indices from CEMP data
Abstract: A data checking and validation process was undertaken for the data held in the CCAMLR ... examine the temporal patterns in the available time series as well as inter-site and inter-species ... comparisons. A series of questions designed to improve the understanding of the characteristics of different ... paramters is provided for discussion by the Working Group. Author(s): Secretariat Title: A review and ...
Meeting Document : WG-EMM-12/62 : Author(s): Secretariat
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General information about CEMP
Abstract: The CCAMLR Ecosystem Monitoring Program (CEMP) was established in 1985 with the aim to ... detect and record significant changes in critical components of the Antarctic ecosystem, and to ... distances between the main sampling sites, the location of sites with respect to small-scale management ... units and the matrix of data submitted to the Secretariat. Author(s): Secretariat Title: General ...
Meeting Document : WG-EMM-03/25 : Author(s): Secretariat