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Intra-annual variability in the abundance of Antarctic krill (Euphausia superba) at South Georgia, 2002–2005: within-year variation provides a new framework for interpreting previous ‘annual’ krill density estimates
cover c. 100 x 100 km). Mooring data were used to explore whether high frequency temporal variation (i.e ... abundance of Antarctic krill continuously between 14 October 2002 and 29 December 2005. A distinct seasonal ... pattern in krill abundance was detected that recurred consistently over all 3 years. Krill densities in ... explained 71% of the observed week-week variation. Mooring estimates of krill abundance were not ...
Meeting Document : WG-EMM-06/25 : Auteur(s): R.A. Saunders, J.L. Watkins, K. Reid, E.J. Murphy, P. Enderlein, D.G. Bone and A.S. Brierley (United Kingdom)
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Preliminary modelling of potential climate-change impacts on krill and a krill-dependent predator in CCAMLR Subareas 48.1 to 48.3
affect krill resources and the marine ecosystem in Antarctic waters is critical. Previous research has ... demonstrated possible climate change impacts on krill habitat and growth. In this preliminary study, we ... assessed the potential consequences of these impacts for both the krill stock and its dependent predators ... using a peer-reviewed krill-predator-fishery ecosystem dynamics model. Initial results demonstrate the ...
Meeting Document : WG-EMM-16/53 : Auteur(s): E.S. Klein, S.L. Hill, G.M. Watters and J.T. Hinke
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Krill distribution pattern due to water structure and dynamics near the South Sandwich Islands in January–February 2000 (Krill Synoptic Survey 2000)
krill distribution is carried out. There are determined three krill groups which differ each other by ... length frequency, maturity stages and waters inhabited. Distribution of the 1st krill group (juveniles 25 ... concentration of krill of the 3rd group (50-56 mm) transported there by ACC waters. Such concentrated schools ... are transported to South from East of archipelago, and may be mixed with krill of the 1st group. It is ...
Meeting Document : WG-EMM-00/33 : Auteur(s): V. Sushin, P. Chernyshkov, V. Shnar, F. Litvinov and K. Shulgovskiy (Russia)
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Improving mechanistic understanding between larval krill, krill recruitment, and sea ice
Abstract: Antarctic Krill, Euphausia superba, is the key species of the Southern Ocean ecosystem ... . Earlier analysis suggested decrease in krill abundance by 50% since the mid 1970’s to early 2000’s in the ... -ice coverage. More recent studies suggest more complex and/or dynamic nature of krill population ... trajectory as well as its link with decadal climatic events. Krill population dynamics is thought to be ...
Meeting Document : WG-EMM-18/07 : Auteur(s): B. Meyer and S. Kawaguchi
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Modelling Movement of Antarctic Krill (MMAK): the importance of retention, dispersal and behaviour for krill distribution
Abstract: Effective management of the Antarctic krill (Euphausia superba, hereafter krill ... ) fishery requires an understanding of the controls on the distribution and abundance of krill ... . Particularly important are the pathways and timescales of movement and retention affecting krill distribution ... the regional and local-scale processes that influence the distribution of krill in CCAMLR Area 48 ...
Meeting Document : WG-EMM-17/31 : Auteur(s): S. Thorpe, E. Young and E. Murphy
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Bridging the krill divide: understanding cross-sector objectives for krill fishing and conservation
day workshop entitled “Understanding the objectives for krill fishing and conservation in the Scotia ... explore each sector’s objectives and information requirements for the krill‐based ecosystem and to ... identify constructive ways for the three sectors to work together. The issue of krill-fishing has ... krill fishery that minimises the risk of negative impacts on ecosystem health. Participants generally ...
Meeting Document : SC-CAMLR-XXXIII/BG/34 : Auteur(s): United Kingdom, Norway, Chile, ASOC and ARK
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Review of Russian investigations of krill escape through the meshes of commercial trawls: approaches to estimating gross removal at krill fishery
Abstract: In this study the review of Russian investigations of krill escapement through the ... of fine-meshed chafers) and analytical methods are presented. The main factors affected on krill ... mortality» assessment in krill fishery. It is suggested to use the models of probability-statistical theory ... understanding of the «escape mortality» process; obtaining standardized indices of krill mortality during one ...
Meeting Document : WG-EMM-10/19 : Auteur(s): S.M. Kasatkina (Russia)
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A comparison of gear selectivity among three fishing gears for Antarctic krill with notes on the demographic patterns and productivity of Antarctic krill during summer 2014
Abstract: Three different trawls were used to sample Antarctic krill for the determination of ... largest range of krill (15mm to 60mm), while the ENGEL trawl captured the narrowest (27 to 61), and the ... using fishing vessels if research gear cannot be accommodated. The patterns of krill length frequency ... showed that krill collected in Bransfield Strait and Elephant Island areas of the South Shetlands in ...
Meeting Document : WG-EMM-14/37 : Auteur(s): C. Reiss (USA) and M. Espino Sanchez (Peru)
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Proposal for an acoustic krill biomass survey in CCAMLR Subarea 48.1 in relation to the hydrological environment and in conjunction with carbon cycling and temperature adaptation experiments of krill and salps
Marine Living Resources (CCAMLR), we will conduct an acoustic krill (Euphausia superba) biomass survey in ... ) investigating the role of krill and salps in Southern Ocean carbon cycling and the temperature adaptation ... of the krill habitat. The overall objective of the German contribution is to provide an overarching ... assessment of the effect of climate change on krill and associated ecosystem-processes. The aim of this ...
Meeting Document : WG-EMM-17/39 : Auteur(s): B. Meyer, L. Suberg, S. Fielding, O.R. Godø and C. Reiss
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Report from the annual survey of Antarctic krill and apex predators distribution at South Orkney Islands in 2014, and assessing escape mortality of krill in trawls
conducted around the South Orkney Islands, using a commercial krill fishing vessel as research platform. The ... Antarctic krill as well as the occurrence and distribution of krill predators. Author(s): B.A. Krafft ... annual survey of Antarctic krill and apex predators distribution at South Orkney Islands in 2014, and ... assessing escape mortality of krill in trawls Approval: Approved ...
Meeting Document : WG-EMM-14/16 : Auteur(s): B.A. Krafft (Norway), L.A. Krag (Denmark), T.A. Klevjer, G. Skaret and R. Pedersen (Norway)