Search results
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Evaluation of krill transport factor results in Subarea 48.2 in summer period of 1996
-200 m: krill density (t/cubic mile) and water output (cubic mile/hour) through 1 mile of the polygon ... boundary per hour. The value (t/hour) characterizes transport intensity of krill biomass through 1 mile of ... =7.2 t/hour, s.d.=15.5 t/hour. There is sufficient variability of krill transport through polygon ... input-output through all the polygon boundaries was positive (2088 ±831 t/hour). The obtained values of ...
Meeting Document : WG-EMM-96/37 : Author(s): Sushin, V.A., Kasatkina, S.M., Shnar, V.N., Abramov, A.M., Polischuk, M.I.
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Conserving surface-nesting seabirds at the Prince Edward Islands: the roles of research, monitoring and legislation
regionally or internationally. The main causes of population decreases are thought to be by-catch mortality ... availability of prey to penguins and the Crozet shag Phalacrocorax [atriceps] melanogenis. It is proposed that ... the Prince Edward Islands Special Nature Reserve be expanded to include surrounding territorial waters ... near to the islands. Consideration needs also to be given to listing species as threatened or protected ...
Meeting Document : WG-EMM-03/14 : Author(s): R.J.M. Crawford and J. Cooper (South Africa)
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Circumpolar connections between Antarctic krill (Euphausia superba Dana) populations: Investigating the roles of ocean and sea ice transport
. Here we present Lagrangian modelling studies at the circumpolar scale that include interaction with sea ... that the Antarctic Coastal Current is likely to be important in generating the large-scale distribution ... in the Southern Ocean. Krill have a close association with sea ice which provides access to a ... Modelling (OCCAM) project model together with satellite-derived sea ice motion vectors to examine the ...
Meeting Document : WG-EMM-07/P10 : Author(s): S.E. Thorpe, E.J. Murphy and J.L. Watkins (United Kingdom)
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An updated spatially explicit population dynamics operating model for Antarctic toothfish in the habitable depths of the Ross Sea region
unsatisfactory in previous models, with a much flatter maturity ogive than that derived through histology. In the ... . We propose that the modelling platform presented here can be used to test the likelihood and examine ... that a proportion of the mature fish spawn each year. The model estimation of the maturity ogive is now ... similar to that estimated by histological analysis. This model represents our current best model of the ...
Meeting Document : WG-SAM-14/31 : Author(s): S. Mormede, A. Dunn, S. Parker and S. Hanchet (New Zealand)
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Impacts of cetaceans on the structure of Southern Ocean food webs
, in part, researchers are preoccupied with physical factors as ecosystem drivers, i.e. climate, that ... Abstract: Here we present three scenarios that demonstrate how cetaceans may influence the ... structure and dynamics of the Southern Ocean food web. These should be considered in addition to several ... nonetheless contend that they indicate fruitful directions for current and future research in the Southern ...
Meeting Document : WG-EMM-09/P04 : Author(s): D. Ainley, G. Ballard, L.K. Blight, S. Ackley, S.D. Emslie, A. Lescroël, S. Olmastroni, S.E. Townsend, C.T. Tynan, P. Wilson and E. Woehler
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Evidence of change to the environment, ecosystem and fishery within Area 48 indicates the need for continued precaution
) which was established in 1991 based on the maximum catches reported for each subarea. Since that time ... the ecosystem has undergone rapid environmental change. Several studies suggest that krill numerical ... changes are consistent with global evidence of the ecological effects of environmental change. At the same ... time catches in Subarea 48.1 have increased beyond the maximum pre-1991 catch for that subarea which ...
Meeting Document : WG-EMM-2019/29 : Author(s): S. Hill and A. Atkinson
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A proposal to report marine casualties to CCAMLR
a report to be shared with the Commission. The proposal is consistent with Article 94(7) of the ... Conservation Measure 10-02 (Licensing and inspection obligations of Contracting Parties with regard to their ... Convention on the Law of the Sea with respect to fishing vessels operating under CCAMLR’s jurisdiction in the ... ” would mean accidents or events caused by or involving a vessel that result in total loss of the ship ...
Meeting Document : CCAMLR-XXX/24 : Author(s): Delegations of the USA and New Zealand
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Results of the sixth Ross Sea shelf survey to monitor abundance of sub-adult Antarctic toothfish in the southern Ross Sea, January 2017
Abstract: At its 2011 meeting, the Scientific Committee agreed that a time series of relative ... abundance from a well-designed survey could be a useful input into the Ross Sea stock assessment model. In ... predators: Terra Nova Bay in 2017, with McMurdo Sound surveyed in 2016. The estimated relative biomass index ... . Scaled length frequencies for the core strata indicate the progression of a strong year class that ...
Meeting Document : WG-SAM-17/01 : Author(s): K. Large, L. Robinson and S. Parker
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Foraging partitioning between giant petrels Macronectes spp. and its relationship with breeding population changes at Bird Island, South Georgia
extensively with longline fishery distribution, confirming their susceptibility to being caught on longline ... fishery distribution, confirming their susceptibility to being caught on longline hooks. Females were ...
Meeting Document : WG-FSA-99/39 : Author(s): J. González-Solís, J.P. Croxall and A.G. Wood (United Kingdom)
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Plan of research program of the Russian Federation in Subarea 48.5 (Weddell Sea) in season 2014/2015
subareas, where stock assessment should be carried out. In spite of hard ice conditions at most part of the ... Weddell Sea during most time of the year, this large water area is very similar with the Ross Sea. This ... similarity, which could be found in geographical location, bathymetric profile, currents system and follows ... with CCAMLR decision rules. The program contains schedule and research program of the third stage of ...
Meeting Document : WG-SAM-14/07 : Author(s): Delegation of the Russian Federation