Search results
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The distribution pattern and fishery for the Antarctic krill (Euphausia superba) off the Wilkes Land and Balleny Islands (with notes on the application of CPUE data as indices of krill abundance)
Abstract: Hydrological conditions, the distributiion pattern of krill and characteristics ... of the Soviet krill fishery off the Wilkes Land and Balleny Islands in 1988 and 1989 are described ... °- 150° E) are likely to be. an area of regular occurence of krill concentrations, probably the frequency ... with the quasi-stationary eddy, its southern branch is expressed as the East Wind Drift. Krill in fishable ...
Meeting Document : WG-KRILL-90/16 : Author(s): V.N. Dolzhenkov, E.A. Kovalev, V.A. Spiridonov, V.P. Timonin, I.A. Zhigalov (USSR)
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A model at the level of the foraging trip for the indirect effects of krill (Euphausia superba) fisheries on krill predators
Abstract: 1. Although the development of fisheries for krill in the southern oceans has prompted ... considerable work on the indirect effects of fisheries on krill predators, to date all work has focused ... for the effects of a fishery on krill predators, using the Adelie penguin (Pygoscelis adeliae) as a model organism ... . 2. The model has four main components: the description of the spatial and•temporal pattern of krill, ii ...
Meeting Document : WG-EMM-96/20 : Author(s): Switzer, P.V., Mangel, M.
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The use of predator-derived krill length-frequency distributions to calculate krill target strength
Abstract: The relationship between krill abundance and predator performance is fundamental ... to an ecosystem based approach to resource management. We propose a method using krill sampled from the diet ... of predators to provide a length-frequency distribution of krill at times when it is possible to run automated ... operations. This will allow a robust estimate of krill abundance to be estimated from acoustic data. Changes ...
Meeting Document : WG-EMM-00/42 : Author(s): K. Reid and A.S. Brierley (United Kingdom)
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The krill distribution in waters around the South Shetland Islands: Preliminary results from an acoustic survey conducted by a Chinese krill fishing vessel in December 2013
data for the estimation of krill stock and its management. In December 2013, a trial acoustic survey ... was conducted by the Chinese krill fishing vessel ‘FURONGHAI' in waters around the South Shetland Islands ... . Krill was found in most part of the survey area. The mean Sv of krill swarm tend to be higher in inshore ... . The majority of the krill swarms were found in the upper 100 m with a thickness less than 30 ...
Meeting Document : WG-EMM-14/47 : Author(s): X. Wang, X. Zhao, G. Qi, T. Zuo, J. Zhu, J. Zhang and X. Li (People’s Republic of China)
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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 ... of the regional and local-scale processes that influence the distribution of krill in CCAMLR Area 48. Modelling ...
Meeting Document : WG-EMM-17/31 : Author(s): S. Thorpe, E. Young and E. Murphy
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Investigations of krill transport factors in the local areas in the Scotia Sea: variability of krill distribution in the fishing grounds under the transport impact
Georgia West), analysing variability of krill transport and distribution characteristics in the local ... in each study areas were accompanied with pulsatory pattern of krill transport, i.e. krill transported ... value (in our case, CV biomass=57%) is important, but also the observed changes in krill aggregation ... patterns forming the transported biomass portions (in our case, CV swarms/mile 2 =63%). Therefore, krill ...
Meeting Document : WG-EMM-07/17 : Author(s): S.M. Kasatkina and V.N. Shnar (Russia)
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Towards a new method for age determination in Antarctic krill, and evidence that krill shrink under natural conditions
Abstract: Laboratory studies have shown that Antarctic krill Euphausia superba shrink ... individuals may be shrinking in the field during winter. If krill shrink during the winter, conclusions ... a laboratory population, it appears that when krill shrink, the crystalline cone number remains relatively ... -length offers a method for detecting the effect of shrinking in natural populations of krill ...
Meeting Document : WG-Krill-94/17 : Author(s): W. de la Mare (Australia)
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Update: Rapid unsupervised automated krill density estimation from fishing vessels (RAPID-KRILL)
Abstract: The RAPID-KRILL project is funded by the Antarctic Wildlife Research Fund to develop ... , A. Ariza, R. Blackwell, G. Skaret and X. Wang Title: Update: Rapid unsupervised automated krill density ... estimation from fishing vessels (RAPID-KRILL) Approval: Approved Secretariat Workflow Status: Content ... The RAPID-KRILL project is funded by the Antarctic Wildlife Research Fund to develop at-sea ...
Meeting Document : WG-EMM-18/11 : Author(s): S. Fielding, A. Ariza, R. Blackwell, G. Skaret and X. Wang
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Features of spatial and temporally distribution patterns of krill flux in the Scotia Sea: some comments on the development of a krill fishery management in Area 48.
Abstract: The spatial variability of krill flux in the Scotia Sea calculated by using ... distribution of krill density, water flow intensity (m 3 /s) and krill biomass (g/m3) transported by water flow ... to the Scotia Sea, were a subject of study. It is clearly illustrated that the geostrophic krill flux ... in the Scotia Sea requires both favorable dynamic conditions and availability of krill transported by the water ...
Meeting Document : WG-EMM-18/21 : Author(s): S. Kasatkina, V. Shnar and A. Malyshko
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MaxEnt reconstructions of krill distribution and estimates of krill density from acoustic surveys at South Georgia 1996–2000
Abstract: We present Maximum Entropy (MaxEnt) reconstructions of krill distribution and estimates ... of mean krill density within two survey boxes of dimensions 80 km x 100 km to the north east and north ... gathered in the boxes in austral summers 1996 – 2000. Krill densities had previously been determined ... 1600 krill density estimates per box. The MaxEnt technique uses a Bayesian approach to infer the most ...
Meeting Document : WG-EMM-02/36 : Author(s): M.H. Wafy, A.S. Brierley, S.F. Gull and J.L. Watkins (United Kingdom)