Search results
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Otolith and body size relationships in the mackerel icefish (Champsocephalus gunnari)
question of otolith erosion, which has been highlighted by Jobling and Breiby (1986) and may be ... 24 C. gunnari to indicate the likely size of fish eaten by the seals (North et al., 1983). While ... that study provided a good first approximation, the studies by Reid (1995) and North (1996) indicate ... otoliths from a collection of 350 fish from Heard Island has been published by Williams and McEldowney ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 117–123 : Author(s): Everson, I., B. Bendall and A. Murray
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Calibration of an acoustic echo-integration system in a deep tank, with system gain comparisons over standard sphere material, water temperature and time
erreurs significatives en matiere de Supported by the John and Fannie Hertz Foundation 1 Southwest ... by determining the deviation from a standard so as to ascertain the proper correction factors. In ... sphere diameter for commercial, high purity copper was suggested by a preliminary investigation to be ... in gain are effected by altering software parameters (TS gain and volume scattering strength gain ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 127–144 : Author(s): Demer, D.A. and R.P. Hewitt
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From the Editor
Science and the science used by CCAMLR In the exchange between Drs Everson and Brierley, the values ... or interpretation. By providing an oppor- tunity to enter into a post-publication dialogue, CCAMLR ... by the advice of Kinne (2007) who stated that ‘There may be a temptation to use Comment/Reply ... science considered by CCAMLR in pro- gressing its ecosystem-based approach to fisheries management. It is ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 199
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Trawl bag selectivity in the Champsocephalus gunnari fishery
previous studies. Experiments were conducted on board the Anchar by Dr V.O. Bidenko (AtlantNIRO) and ... engineer 1.0. Istomin (VNIRO) who were greatly assisted by the scientific team and the crew. 2. SCHEDULE ... itself and enveloping the entire trawl bag. To prevent damage caused by contact with the bottom and ... sheathed with heavy duty webbing. The lengthwise edges of the outer cover were reinforced by four kapron ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 295–312 : Author(s): Bidenko, V.G. and I.G. Istomin
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Characteristics of krill swarms from Prydz Bay
Subgroup on Survey Design. The subgroup was set up by the CCAMLR Working Group on Krill (WG-Krill) and ... Data were analysed from a single transect undertaken by Australian Antarctic Division using the RV ... threshold of -95 dB. Noisy pings were identified by having a krill thickness of greater than 125 m, and a ... the equations TS = -127.45 + 34.85 log 10 (length in mm) (TS relationship for E. superba given by ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 177–189 : Author(s): Agnew, D.J. and I.R. Higginbottom
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Use of the Leslie stock depletion model for the assessment of local abundance of Patagonian toothfish (Dissostichus eleginoides)
size, and that this reduction would be indicated by a significant decline in an abundance index with ... cumulative catch was then calculated separately for each series, including any catches taken by other ... . A limited analysis was undertaken by WG-FSA at its meeting in 1992, which showed no relationship ... start of setting and the time at the start of hauling. It was generally felt by WG-FSA that this was ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 55–77 : Author(s): Parkes, G., C.A. Moreno, G. Pilling and Z. Young
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Note on estimating krill abundance from acoustic data on individual aggregations
arperaU;HH. BbI~eJIeHbI rJIaBHble Pa3JIHllH5I aTHX ~ByX nO~XO~OB. B HTore npH3HaHo npeBocxo~CTBO ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 219–223 : Author(s): Hampton, I. and D.G.M. Miller
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Refinements to the strategy for managing depleted fish stocks based on CCAMLR objectives
-DAC) suggested that the interpretation of Article IT of the CCAMLR Convention would be assisted by ... might be a by-catch limit in practice) would be set using whichever of these fishing mortalities was ... distribution associated with the current assessment, weighted by their subjective probabilities. These ... catches by weight, however, rather than applying fishing mortality. The catches by weight were calculated ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 467–475 : Author(s): de la Mare, W.K. and A. Constable
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Estimating standing stock of krill using maximum entropy
Anglia Ruskin University, Cambridge, UK Email – i.everson@anglia.ac.uk The paper by Heywood et al ... Hampton results presented by Demer and Conti (2005). Something is wrong with the estimated standing ... stock by either or both methods. The Jolly and Hampton approach is simple, robust and, as Heywood et ... - bution in the predator and prey fields. Acoustically, the range is horizontally from ping by ping to ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 193 : Author(s): Everson, I
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Modelling and decision making as part of the CCAMLR management regime
forward by Starfield et al (1986) it is proposed that development of a suite of CCAMLR management ... problems. This approach can be illustrated within the context of the ecosystem perspective advocated by ... pelagic zone by krill (Euphausia superba) (Everson 1977 and others). This species forms large ... ) and those including interactions between different trophic levels such as predation by birds or ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 295-322 : Author(s): Miller, D.G.M.