Search results
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Simulating nursery areas for Antarctic krill along the western Antarctic Peninsula with relevance for the Domain 1 MPA Planning process
Abstract: Antarctic krill (Euphausia superba) is a key species and a dominant grazer ... and early larval stages of Antarctic krill (the descent-ascent cycle) is largely controlled by temperature ... nursery areas for Antarctic krill and assess how environmental conditions (stronger winds, enhanced ... -dependent model of the descent-ascent cycle of Antarctic krill embryos and larvae that was forced ...
Meeting Document : SC-CAMLR-XXXVI/BG/12 : Author(s): Delegations of Argentina and Chile
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An assessment of the use of ocean gliders to undertake acoustic measurements of zooplankton: the distribution and density of Antarctic krill in the Weddell Sea
the distribution of Antarctic krill (Euphausia superba). During the glider missions, a research vessel undertook ... to validate acoustic targets and parameterize acoustic models. Krill targets were identified using ... a thresholded schools analysis technique (SHAPES), and acoustic data were converted to krill density using ... estimates by up to 8-fold. Glider-based, echo-sounder–derived krill density profiles for the two survey ...
Meeting Document : WG-EMM-14/P02 : Author(s): D. Guihen, S. Fielding, E. Murphy, K. Heywood and G. Griffiths
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By-catch of juvenile Antarctic fish from krill (Euphausia superba Dana) fisheries in the South Georgia area, in 1992
krill fishing by the BAT GrigOly Kovtun in the region of the South Georgia Islands during the period May ... larseni. The frequency of occurrence of juvenile fish was 18.2% when considering all krill tows and 45.5 ... to 1 t of krill, ranged from 700 to 18 900 individuals. In the case of C.gunnari, average values were 966±225 ind ... /1t krill and 2434±579 ind/1t krill for all trawls and for shelf trawls, respectively. Similarly ...
Meeting Document : WG-FSA-93/8 Rev. 1 : Author(s): E.A. Pakhomov and S.A. Pankratov (Ukraine)
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Potential climate change effects on the habitat of Antarctic krill
Abstract: Antarctic krill is an obligate cold water species, an increasingly important fishery ... used a statistical model linking Antarctic krill growth to temperature and chlorophyll concentration ... to assess the influence of projected warming on Antarctic krill habitat quality. The results divide ... Georgia could be up to 55%, and the habitat’s ability to support Antarctic krill biomass production within ...
Meeting Document : WG-EMM-13/20 : Author(s): S.L. Hill, T. Phillips and A. Atkinson (United Kingdom)
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Krill biomass and density distribution in February–March 2002 in Subarea 48.3
Abstract: Presented are the results of krill acoustic survey carried out by Russian RV Atlantida ... to March 5, 2002. Average krill density in the survey area was estimated at 45.45 g/m2 and total biomass ... at 1,898,492 ton. The analysis of krill aggregation distribution was made for identification of potential ... that no sustainable commercial aggregations are formed during critical period for animals feeding on krill in the area ...
Meeting Document : WG-EMM-03/30 : Author(s): S.M. Kasatkina and A.P. Malyshko (Russia)
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Geographical aspects of utilising resources of krill (Euphausia superba)
as in the coastal waters of the Antarctic continent, the formation of krill aggregations is variable in terms ... with assessing the variability of krill swarming patterns and the subsequent implementation of knowledge about ... variability in krill transportation and areas of swarm formation in the open-ocean environment. The commercial ... exploitation of krill aggregations in open-ocean areas should occur alongside an increase in the amount ...
Meeting Document : WG-EMM-96/05 : Author(s): Makarov, R.R.
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Small scale krill surveys: simulations based on observed euphausiid distributions
the effects of krill swarm orientation and shape on the success of two proposed survey designs. The simulation ... .) of mean krill density varies inversely with mean density, and is lowest for the survey design utilising ... ) and S. Nicol (Australia) Title: Small scale krill surveys: simulations based on observed euphausiid ... of krill swarm orientation and shape on the success of two proposed survey designs. The simulation involves ...
Meeting Document : WG-KRILL-91/19 : Author(s): D.J. Agnew (Secretariat) and S. Nicol (Australia)
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Is current management of the Antarctic krill fishery in the Atlantic sector of the Southern Ocean precautionary?
format to explain the management of the Antarctic krill (Euphausia superba) fishery in the subareas 48.1 ... to 48.4, and current knowledge about the state of the regional krill stock. The revisions provide a new ... for a decline in the abundance of krill in the 1980s, but no evidence of further decline over more recent ... considered precautionary for Antarctic krill. However, the permitted exploitation rate in each subarea ...
Meeting Document : WG-EMM-16/21 : Author(s): S. Hill, A. Atkinson, C. Darby, S. Fielding, B. Krafft, O.R. Godø, G. Skaret, P. Trathan and J. Watkins
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An acoustic survey of Antarctic krill on the South Georgia shelf, CCAMLR Subarea 48.3, in January 1992
Abstract: Acoustic surveys designed to assess krill abundance are costly in time and money, so ... the opportunity was taken in 1992 to produce a krill biomass estimate as a by-product of a fish stock-assessment ... Georgia. The appearances of echoes on echo charts were used to decide which echoes to include in krill ... of backscattering strength at the two frequencies into a) echoes from krill-sized scatterers and smaller ...
Meeting Document : WG-EMM-96/42 : Author(s): Everson, I., Goss, C.
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Suggested outline for the design and implementation of future near-synoptic krill surveys
Author(s): Submitted by Denzil G.M. Miller (Convener WG-Krill Title: Suggested outline ... for the design and implementation of future near-synoptic krill surveys Approval: Approved ... Submitted by Denzil G.M. Miller (Convener WG-Krill ... Suggested outline for the design and implementation of future near-synoptic krill surveys ...
Meeting Document : WG-Krill-94/20 : Author(s): Submitted by Denzil G.M. Miller (Convener WG-Krill