Resultados de la búsqueda
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Alternative methods for determining subarea or local area catch limits for krill in Statistical Area 48
limit on krill (Euphausia superba) in Statistical Area 48. The measure also asks the Scientific ... local areas. Nine alternative methods of determining subarea or local area krill catch limits are ... . Alternatives based on continental shelf area, simple pulse fishing, and krill surveys are not biologically ... : Alternative methods for determining subarea or local area catch limits for krill in Statistical Area 48 ...
Meeting Document : WG-KRILL-92/16 : Autor(es): G. Watters and R.P. Hewitt (USA)
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Antarctic krill – Proposal of studies
change and variation of biological parameters of krill after the extensive fisheries operation. 2 ... strong scientific inventry and synthesis upon which reasonable krill harvesting can be based. We ... , it is further desirable that information-flow keep pace with development of a krill-fisheries and ... experts and materials on krill and krill fisheries, and exchange the information and statistics. These ...
Document : Site Section: The Organisation
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Considerations about managing the krill fishery at small spatial and temporal scales
managing the krill fishery at small temporal and spatial scales. We highlight that the devil is in the ... coastal areas. Closed coastal areas potentially protect near-shore krill-dependent predators from the ... that krill demand from a range of predators in near-shore coastal habitats may only be met through ... oceanographic flow and krill movement. Krill flux and krill behaviour remains key to increased understanding ...
Meeting Document : WG-EMM-2019/22 : Autor(es): P.N. Trathan, V. Warwick-Evans and E. Young
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Krill (Euphausia superba) distribution contracts southward during rapid regional warming
Euphausia superba (hereafter, ‘krill’) has contracted southward over the past 90 years. Near their northern ... juvenile krill. We found evidence for environmental controls on recruitment, including a reduced density of ... larval krill. However, the total post-larval density has declined less steeply than the density of ... recruits, suggesting that survival rates of older krill have increased. The changing distribution is ...
Meeting Document : WG-EMM-2019/P02 : Autor(es): A. Atkinson, S.L. Hill, E.A. Pakhomov, V. Siegel, C.S. Reiss, V.J. Loeb, D.K. Steinberg, K. Schmidt, G.A. Tarling, L. Gerrish and S.F. Sailley
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Using stationary acoustic platforms to assess precision and accuracy of acoustical krill surveys
issues of krill migrating too close to the surface to be acoustically detected, as well as potential ... data were collected both during day and night for the 2019 Scotia Sea large-scale krill monitoring ... effects of krill vertical distribution on survey results. The Institute of Marine Research, Norway has on ... a regular basis deployed stationary platforms in the main area for commercial krill harvesting at ...
Meeting Document : WG-EMM-2019/32 : Autor(es): T. Klevjer, G. Skaret and B.A. Krafft
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Evaluation of Antarctic krill biomass and distribution off the South Orkney Islands 2011-2015
Abstract: Annual acoustic trawl surveys for krill monitoring have been carried out by the ... early in the fishing season (January/February), using two different krill fishing vessels as platforms ... and abundance of krill near the South Orkneys among years, we here attempt to generate a coherent ... series of krill density estimates from the 5 years of surveys. We follow the CCAMLR protocol for biomass ...
Meeting Document : WG-EMM-15/54 : Autor(es): G. Skaret, B.A. Krafft, L. Calise (Norway), J. Watkins (UK), R. Pedersen and O.R. Godø (Norway)
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Exploring trends of the krill fishery indicators among the NWAP D1MPA zones in the Subarea 48.1
been intensively discussed. Its implementation will establish a new scenario for the current krill ... has been intensively discussed. Its implementation will establish a new scenario for the current krill ... trends of the krill fishery indicators among the NWAP D1MPA zones in the Subarea 48.1 Approval: Approved ... Secretariat Workflow Status: Content Approved Document Release Consent: No Delegation responsibility for ...
Meeting Document : WG-EMM-2019/41 : Autor(es): F. Santa Cruz, L. Krüger, L. Rebolledo and C. Cárdenas
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Precision of growth band determination from eyestalk sections of Antarctic krill (Euphausia superba) preserved in formalin
feedback management of krill fisheries. Samples stored in 70% ethanol provide an opportunity to detect the ... information for Antarctic krill (Euphausia superba) will be important for stock assessment modeling and future ... common in previous decades. Out of 162 Antarctic krill individuals preserved in 5% formalin, the growth ... Antarctic krill growth. This study presents important information for age determination, particularly for ...
Meeting Document : WG-EMM-18/P16 : Autor(es): G.P. Zhu, Y. Yang, Q. Song and H.T. Zhang
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Modelling the consequences of Antarctic krill harvesting of Antarctic fur seals
Marine Living Resources (CCAMLR), management advice for the Antarctic krill (Euphausia superba) fishery ... should take the needs of the predators of krill into account in order to reduce the risk of deleterious ... ). A single species yield model is currently being used by the CCAMLR Scientific Committee to recommend ... an annual krill catch limit, which is expressed as a proportion (??= 0.116) of a survey biomass ...
Meeting Document : WG-EMM-01/66 : Autor(es): R.B. Thomson, D.S. Butterworth (South Africa), I.L. Boyd and J.P. Croxall (United Kingdom)
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Modelling the impact of krill fishing on seal and penguin colonies
Abstract: A key area of concern highlighted by the Scientific Committee of the Commission for the ... Conservation of Antarctic Marine Living Resources (CCAMLR) concerns the potential overlap of the krill fishery ... region. The dynamics of krill in this region are strongly influenced by advective processes. A key ... ) are necessary given that there is a flux of krill through this region with its islands habited by ...
Meeting Document : WG-EMM-05/14 : Autor(es): É.E. Plagányi and D.S. Butterworth (South Africa)