Search results
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Effects of orientation on acoustic scattering from Antarctic krill at 120 kHz
Abstract: Backscattering measurements of 14 live individual Antarctic krill (Euphausia superb ... of the krill based on the video images and was applied to five of them, giving their target strengths ... could significantly improve the precision and accuracy of krill acoustic surveys. Author(s): D.E ... of orientation on acoustic scattering from Antarctic krill at 120 kHz Approval: Approved ...
Meeting Document : WG-EMM-99/42 : Author(s): D.E. McGehee (USA), R.L. O’Driscoll (New Zealand) and L.V. Martin Traykovski (USA)
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A feedback management strategy for the krill fishery in Subarea 48.1
Abstract: We present a Stage-2 strategy for in-season feedback management (FBM) of the krill ... predator performance during the current breeding season, and krill biomass has increased during the present ... for population maintenance but CEMP monitoring indicates a poor breeding season or krill biomass has ... on predators and krill, delaying the start of the fishing season until this data-collection effort is underway ...
Meeting Document : WG-EMM-16/48 : Author(s): G.M. Watters, J.T. Hinke and C.S. Reiss
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Spatial and temporal variability in foraging patterns of krill predators at Signy Island and South Georgia
adaptable. In this paper we consider the behaviour of seal and seabird krill-dependent predators foraging ... could exist between krill-dependent predators and the commercial fishery for Antarctic krill, Euphausia ... in foraging patterns of krill predators at Signy Island and South Georgia Approval: Approved ... adaptable. In this paper we consider the behaviour of seal and seabird krill-dependent predators foraging ...
Meeting Document : WG-EMM-02/33 Text : Author(s): P.N. Trathan, J.L. Tanton, A.S. Lynnes, M.J. Jessopp, H. Peat, K. Reid and J.P. Croxall (United Kingdom)
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The winter pack-ice zone provides a sheltered but food-poor habitat for larval Antarctic krill
the main feeding ground for krill larvae. Observations from our winter cruise to the southwest Atlantic ... favourable food environment for high larval krill growth rates. We found that complex under-ice habitats ... are, however, vital for larval krill when water column productivity is limited by light, by providing ... for larval Antarctic krill Approval: Approved Secretariat Workflow Status: Content Approved Delegation ...
Meeting Document : WG-EMM-18/P04 : Author(s): B. Meyer, U. Freier, V. Grimm, J. Groeneveld, B.P.V. Hunt, S. Kerwath, R. King, C. Klaas, E. Pakhomov, K.M. Meiners, J. Melbourne-Thomas, E.J. Murphy, S.E. Thorpe, S. Stammerjohn, D. Wolf-Gladrow, L. Auerswald, A. Götz, L. Halbach, S. Jarman, S. Kawaguchi, T. Krumpen, G. Nehrke, R. Ricker, M. Sumner, M. Teschke, R. Trebilco and N.I. Yilmaz
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A method for spreading the risk of localised effects of catches of Antarctic krill up to the trigger level, during the development of stage 2 of feedback management
to the trigger level may affect krill predators. They wished to establish a spatial distribution of the trigger ... level that ensured that krill predators “ would not be inadvertently and disproportionately affected ... review the best scientific evidence available for krill, krill predators and the fishery to underpin ... for spreading the risk of localised effects of catches of Antarctic krill up to the trigger level, during ...
Meeting Document : WG-EMM-16/69 : Author(s): A.J. Constable, S. Kawaguchi and M. Sumner
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Spatio–temporal dynamics of Antarctic krill fishery: identification of fishing hotspots
Abstract: Antarctic krill is a key species in the Southern Ocean food web and is also the target ... is reached. The analysis show that the krill fishing fleet is concurring to know fishing grounds year after ... is correlated with the total catch obtained, suggesting its use as an index of krill abundance in an area ... . Author(s): F. Santa Cruz, B. Ernst and J.A. Arata Title: Spatio–temporal dynamics of Antarctic krill ...
Meeting Document : WG-EMM-16/52 : Author(s): F. Santa Cruz, B. Ernst and J.A. Arata
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Finfish by-catch in the krill fishery for the 2010 and 2011 seasons
to estimate finfish by-catch in the krill fishery. The information regarding by-catch of finfish in the krill ... in the krill fishery for the 2010 and 2011 seasons Approval: Approved ... to estimate finfish by-catch in the krill fishery. The information regarding by-catch of finfish ... in the krill fishery is limited and 2010 was the first year when the simplified sub-sampling method was used ...
Meeting Document : WG-FSA-11/05 : Author(s): Secretariat
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Potential effects of UV-B on krill – experimental and genetic studies
radiation 3–5 times below surface irradiance caused krill to die within a week, while animals in the dark ... mortality and lead to a drop in activity in all experiments. A drop in activity in krill exposed ... , N. Elliot and A. McMinn (Australia) Title: Potential effects of UV-B on krill – experimental and genetic ... 3–5 times below surface irradiance caused krill to die within a week, while animals in the dark survived ...
Meeting Document : WG-EMM-99/24 : Author(s): S. Newman, S. Jarman, S. Nicol, D. Ritz, H. Marchant, N. Elliot and A. McMinn (Australia)
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A plan for Antarctic krill survey with a scientific broadband echosounder onboard R/V Kaiyo-maru in the CCAMLR Division 58.4.1 during 2018/19 season
Abstract: To investigate the utility of broadband sound for Antarctic krill acoustic surveys, we ... krill survey for CCAMLR Division 58.4.1 during 2018/19 season by Japanese research vessel, Kaiyo-maru ... , R. Matsukura, T. Mukai and H. Murase Title: A plan for Antarctic krill survey with a scientific broadband ... To investigate the utility of broadband sound for Antarctic krill acoustic surveys, we will conduct ...
Meeting Document : SG-ASAM-18/05 : Author(s): K. Amakasu, K. Abe, R. Matsukura, T. Mukai and H. Murase
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Seal mitigation measures on trawl vessels fishing for krill in CCAMLR Subarea 48.3
Abstract: At WG-EMM in Siena, 2004, the UK reported on the bycatch of fur seals in the krill ... gazella) entanglements on krill vessels fishing around South Georgia in the 2004 fishing season ... fishing for krill in CCAMLR Subarea 48.3 Approval: Approved ... At WG-EMM in Siena, 2004, the UK reported on the bycatch of fur seals in the krill fishery around ...
Meeting Document : WG-FSA-04/83 : Author(s): J. Hooper, J.M. Clark, C. Charman and D. Agnew (United Kingdom)