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Biomass of Antarctic krill around South Shetland using 2-dB difference method in April 2016
estimated to be –2.1 dB in all cells, and frequency characteristics of Krill and Electrona calsbergi on ... frequency 38 and 120 kHz were clearly different. Krill was shown to be higher density within 500m in water ... the current biomass of Krill by station were estimated to be 0.08~344.92 g/m 2 and 3 million tons (CV ...
Meeting Document : WG-EMM-16/60 : Автор(ы): Delegation of the Republic of Korea
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A spatial multi-species operating model of the Antarctic Peninsula krill fishery and its impacts on land-breeding
envelopes could be narrowed given improved data on key parameters such as survival. Results are useful for ... evaluating different spatial allocations of krill catches. An example is given of how such a framework can be ...
Meeting Document : WG-SAM-07/12 : Автор(ы): É.E. Plagányi and D.S. Butterworth (South Africa)
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Detection of systematic change in Adélie penguin foraging trip duration: consequences of high inter-annual variability and usefulness of ice cover as a covariate
the latter form could be more quickly and powerfully detected at a range of effect sizes than could ... be exercised when incorporating covariates into power analyses, as inclusion of covariates to explain ...
Meeting Document : WG-EMM-05/22 : Автор(ы): J. Clarke, C. Southwell and L.M. Emmerson (Australia)
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Do Adélie penguin fledgling weights provide an index of prey availability?
crèche stages of the breeding season. In some seasons, there appeared to be constant levels of resources ... is unfounded for the Béchervaise Island Adélie penguin population. It would be useful to determine ...
Meeting Document : WG-EMM-05/21 : Автор(ы): L. Emmerson, C. Southwell and J. Clarke (Australia)
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Implementing plausible ecosystem models for the Southern Ocean: an ecosystem, productivity, ocean, climate (EPOC) model
be used to facilitate the development of plausible ecosystem models for evaluating management ... designed to be a fully flexible plug-and-play modelling framework. This is because of the need to easily ...
Meeting Document : WG-EMM-05/33 : Автор(ы): A.J. Constable
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Summary of the seabird and marine mammal observations during observed toothfish (Dissostichus spp.) longline fishing operations in CCAMLR Subareas 88.1 and 88.2
appeared to be generally uninterested in the line setting and were more likely to be well astern of the ...
Meeting Document : WG-FSA-04/42 : Автор(ы): S.J. Baird (New Zealand)
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Standing stock, biology, diet and spatial distribution of demersal finfish from the 2003 US AMLR bottom trawl survey of the South Shetland Islands (Subarea 48.1)
relative to all other species, there appears to be a decline in biomass. The overall abundance of finfish ... in the South Shetland Islands has yet to reach a level at which commercial exploitation would be ...
Meeting Document : WG-FSA-03/38 : Автор(ы): C.D. Jones (USA), K.-H. Kock, (Germany), J. Ashford, A. DeVries, K. Dietrich (USA), S. Hanchet (New Zealand), T. Near, T. Turk (USA) and S. Wilhelms (Germany)
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Aspects of the ecology of the bigeye grenadier at South Georgia
index were found to be low (M= 0.09 And? = 2.82 respectively). Gonad maturity stage was described from ... between 22 and 55% likely to be spawned each year. Absolute fecundity ranged from 22,000 to 260,000 eggs ...
Meeting Document : WG-FSA-03/16 : Автор(ы): S.A. Morley, T. Mulvey, J. Dickson and M. Belchier (United Kingdom)
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Movement and growth of tagged toothfish around South Georgia and Shag Rocks (Subarea 48.3)
groundfish surveys may not yet be large enough to be available to the longline fishery and there have been no ...
Meeting Document : WG-FSA-02/28 : Автор(ы): T.R. Marlow, D.J. Agnew and I. Everson (United Kingdom)
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Spatio-temporal trends of longline fishing effort in the Southern Ocean and implications for seabird by-catch
areas by wide-ranging seabirds. Attracted by baits and offal, the birds can be caught on the baited ... with substantial illegal longline fisheries, may be placing the long-term viability of many Southern ...
Meeting Document : WG-FSA-02/43 : Автор(ы): G.N. Tuck, T. Polacheck and C.M. Bulman (Australia)
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