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Midwater trawl catchability as an aspect of a quantitative assessment of krill biomass conducted using a trawl census survey
Paper Title: Midwater trawl catchability as an aspect of a quantitative assessment of krill ... catchability and krill distribution patterns. A comparative analysis of trawl catchability for commercial ... high relative error. A standard method for conducting krill trawl census surveys needs to be developed ... total amount of krill entering the trawl should be carried out when selecting trawl construction. File ... distributional patterns of the targetted krill swanns were studied. Tables 2 to 4 give mean statistical data ... , document, WG-Krill-90/20. SIEGEL, v. 1982. Investigation on Post Spawning Concentration of the Antarctic ... to krill total exemption assessment. Document, WG-Krill-90/22. CCAMLR, Hobart, Australia. 265 ... WG-KRILL-91/32 MIDWATER TRAWL CATCHABILITY AS AN ASPECT ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 257–272 : Autor(es): Kasatkina, S.M.
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Krill (Euphausia superba Dana) resources and distribution in the Wilkes Land area in the seasons 1986 to 1989
Paper Title: Krill (Euphausia superba Dana) resources and distribution in the Wilkes Land area in ... the seasons 1986 to 1989 Abstract / Description: Results of krill (Euphausia superba Dana) resource ... mainly focused on the search for exploitable krill aggregations. Two research vessels were simultaneously ... involved in the survey with one vessel conducting commercial krill fishing. The whole survey area from the ... it is in subarea ll. Data for many years show that optimum conditions for the formation of krill ... WG-KRILL-90/18 KRILL (EUPHAUSIA SUPERBA DANA) RESOURCES ... V.P.Timonin* Abstract Results of krill (Euphausia superba Dana) resource surveys carried out along the ... for exploitable krill aggregations. Two research vessels were simultaneously involved in the survey ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 149–162 : Autor(es): Dolzhenkov, V.N. and V.P.Timonin
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The CCAMLR-2000 Krill Synoptic Survey: a description of the rationale and design
Paper Title: The CCAMLR-2000 Krill Synoptic Survey: a description of the rationale and design ... Abstract / Description: The design of the CCAMLR-2000 Krill Synoptic Survey (CCAMLR-2000 Survey) is ... krill which are used in models to estimate sustainable yield in Area 48. The survey design includes two ... will take several years and will result in a significant increase in the knowledge of krill length ... and random sample survey analyses of Antarctic krill acoustic data. ICES J. Mar. Sci., 53: 415-421 ... . 1992. Krill biomass in Area 48 and Area 58: recalculatio~l of FIBEX data. In: Selected Scientific ... KRILL SYNOPTIC SURVEY: A DESCRIPTION OF THE RATIONALE AND DESIGN P.N. Trathan W , J.L. Watkins ... Kingdom Email - pnt@mail.nerc-bas.ac.uk R. Hewitt and D. Demer Southwest Fisheries Science Center ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 1–23 : Autor(es): Trathan, P.N., J.L. Watkins, A.W.A. Murray, A.S. Brierley, I. Everson, C. Goss, J. Priddle, K. Reid, P. Ward, R. Hewitt, D. Demer, M. Naganobu, S. Kawaguchi, V. Sushin, S.M. Kasatkina, S. Hedley, S. Kim and T. Pauly
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A quantified Bayesian Maximum Entropy estimate of Antarctic krill abundance across the Scotia Sea and in small-scale management units from the CCAMLR-2000 Survey
Antarctic krill (Euphausia superba) across the Scotia Sea using data from the CCAMLR 2000 Krill Synoptic ... reconstruction of krill distribution, given the data. The Bayesian framework also allows intrinsic calculation of ... Paper Title: A quantified Bayesian Maximum Entropy estimate of Antarctic krill abundance across ... Survey of Area 48 (CCAMLR-2000 Survey) and to map the density distribution of krill across the survey ... Scotia Sea using data from the CCAMLR 2000 Krill Synoptic Survey of Area 48 (CCAMLR-2000 Survey) and to ... an objective choice of the most probable reconstruction of krill distribution, given the data. The ... recon- struction, since the data consist of point estimates of krill density derived from echo ... data can be considered as an image in which krill densities are plotted on a rectangular grid, with ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 97–116 : Autor(es): Heywood, B.G., A.S. Brierley and S.F. Gull
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Midwater trawl catchability in relation to krill and possible ways of assessing gross catch
Paper Title: Midwater trawl catchability in relation to krill and possible ways of assessing ... the basis of data obtained from AtlantNIRO expeditions from 1983 to 1990 in the Scotia Sea. A ... methodology was developed for and applied to determining the rate of krill filtration through the trawl rope ... and netting and also the probability that krill will come into contact with various parts of the net ... (Methodical Instructions ... 1983) was employed for the collection of data on krill escapement through the ... distributional characteristics of targetted krill concentrations and based on data from 250 hauls in various ... pass through the rope and broad-mesh sections. Data on krill retention by fine-meshed chafers ... , escapes. These data indicate that krill filtration in the belly of the trawl is an unavoidable ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 87–113 : Autor(es): Zimarev, Yu.V., S.M. Kasatkina and Yu.P. Frolov
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The foraging range of Adélie penguins at Béchervaise Island, Mac. Robertson Land, Antarctica, and its overlap with the krill fishery
, Antarctica, and its overlap with the krill fishery Abstract / Description: The foraging ranges of six female ... when the sea became ice free to the coast. Concentrations of krill, Euphausia superba, which have in ... . Robertson Land Coast (approximately 150 000 pairs) and any future harvest of krill in the region. The ... in the South Shetland and South Orkney Islands and reflects the distance offshore of krill, one of ... and the locations of previous krill fisheries. 2. METHODS The study was commenced in November 1991 ... , together with the position of the continental shelf break and the locations of previous krill fisheries ... BECHERV AISE ISLAND, MAC. ROBERTSON LAND, ANTARCTICA, AND ITS OVERLAP WITH THE KRILL FISHERY K.R ... the sea became ice free to the coast. Concentrations of krill, Euphausia superba, which have in the ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 337–344 : Autor(es): Kerry, K.R., J.R. Clarke and G.D. Else
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Krill Fishery Report 2017
Description / Abstract: Krill Fishery Report 2017 ... .) 3. The CCAMLR database holds data on krill catches starting in 1973. Just over half of this catch ... in 2017. Data reporting Catch and effort reporting 7. Catch and effort reporting in the krill ... those on the length, sex and maturity stage of krill, fish by-catch and the collection of acoustic data ... the krill fishery was provided in WG-FSA-16/04 using data on fish by-catch in the krill fishery from ...
Document : Site Section: Publications
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Krill Fishery Report 2018
Description / Abstract: Krill Fishery Report 2018 ... data for most recent season – data filtered for krill as the target species.) 4 2. The ... . The CCAMLR database holds data on krill catches starting in 1973. The majority of the catch was ... in 2017. Data reporting Catch and effort reporting 7. Catch and effort reporting in the krill ... 2017 63 87 86 2018 99 86 95 14. The increase in scientific observer data available from the krill ...
Document : Site Section: Publications
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Significant intra-annual variability in krill distribution and abundance at South Georgia revealed by multiple acoustic surveys during 2000/01
Paper Title: Significant intra-annual variability in krill distribution and abundance at South ... acoustic surveys of Antarctic krill (Euphausia superba) were conducted around South Georgia in the 2000/01 ... surveys in one season would provide information on short-term variability that could be used to set data ... South Georgia. Krill density in the western box in the early-season survey was very low (3.5 g m-2) but ... acoustic surveys has been to provide data on krill abundance to link with the performance of various ... responses between predator performance and krill abundance. Data on the condition of mackerel icefi sh ... . Analysis of krill density data by transect from previous surveys revealed that a minimum of four ... developed for analysis of acoustic data from the CCAMLR 2000 Krill Synoptic Survey of Area 48. Krill ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 71–82 : Autor(es): Brierley, A.S., C. Goss, S.A. Grant, J.L. Watkins, K. Reid, M. Belchier, I. Everson, M.J. Jessop, V. Afanasyev and J. Robst
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CCAMLR ecosystem monitoring and a feedback management procedure for krill
Paper Title: CCAMLR ecosystem monitoring and a feedback management procedure for krill Abstract ... the krill fishery and this paper examines ways in which the information being obtained from the ... available and what should CCAMLR do in the meantime? Document WG-Krill-91126. CCAMLR, Hobart, Australia: 21 ... WG-KRILL/CEMP-92/4 CCAMLR ECOSYSTEM MONITORING AND A ... FEEDBACK MANAGEMENT PROCEDURE FOR KRILL A.J. Constable* Abstract The CCAMLR Ecosystem Monitoring ... activities. The principal fishery in the CCAMLR Convention Area is the krill fishery and this paper examines ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 345–350 : Autor(es): Constable, A.J.