Search results
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The use of analysis of penguin stomach contents in simultaneous study of prey and predator parameters
no ,lInHHe KpHn5I, nonY4eHHble no OT ,lIenbHbIM npo6aM, HeBOMO)l{HO CBeCTH BOe,llHHO B CB5I3H C TeM, 4TO ... to estimate the mean size of krill which in turn, was tested against the variance of the pooled samples ... Esperanza, randomly divided into two groups (Table 1). Obviously, the highly significant F-statistic means ... should be reflected in the analysis. The regression analysis demonstrates a positive trend in mean ... Paper Title: The use of analysis of penguin stomach contents in simultaneous study of prey and ... found in the stomach of a given penguin prevents the pooling of krill lengths from different samples ... sensitive to the statistical assumptions made during the analysis of data. The nested ANOVA method is ... proposed as being the correct approach for analysis because lack of independence between krill specimens ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 367–375 : Author(s): Marschoff, E. and B. González
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Krill (Euphausia superba Dana) resources and distribution in the Wilkes Land area in the seasons 1986 to 1989
observed in the subarea. The mean annual density of krill in the subarea was 1 475 tonnes per square mile ... for the krill fishery. Krill aggregations were most frequently and regularly observed in the subarea. The mean ... . Krill aggregations were most frequently and regularly observed in the subarea. The mean annual density ... , BbInOJIHeHHbIX B 1986-1989 rr. UPI-I CbeMKax OCHOBHoe BHI-IMaHl-le 6bIJIO COCpe.z:.OTOlleHO Ha nOI-lCKaX npl ... of Area of Mean Catch Mean Density Total Biomass Number of Observation Localities Per Hour tonnes/square ... resources for subarea IT (64° to 66°S, 136° to 143°E). Sequential Period of Area of Mean Catch Mean ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 149–162 : Author(s): Dolzhenkov, V.N. and V.P.Timonin
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Krill fishing in the Scotia Sea in relation to bathymetry, including the detailed distribution around South Georgia
the sea-ice was located to the south of the mean winter position and warmer sea-surface temperatures ... to the argument that the temporal separation of the fishery means that there will be little effect on the amount ... mainly in shelf and shelf-break areas on the northern side of the Scotia Arc. Regional analyses reveal ... trawl statistics have been recorded in the South Georgia area. Analyses of these data show marked ... interannual variability in the distribution of trawls. The data for 1993 were only available from August but ... the fishery was restricted in that period to an area on the western edge of the shelf break where ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 1–17 : Author(s): Murphy, E.J., P.N. Trathan, I. Everson, G. Parkes and F.H.J. Daunt
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The error of the biomass estimate as a function of survey parameters and the statistics of a density field of krill aggregations
xapaKTepHCTRK nonH nnOTHOCTH KOHqeHTpaqHA pbl6b1 H OT napaMeTpOB caMoA C'beMKH, 6bInH BblBeAeHbl C nOMO ... and ecological meaning, it is necessary to supply them with ,confidence intervals indicating the limits ... . -RMI!1c2:5in 2c(.+ Co~~ and R,= R,./(f(/CfJJ 2ol.+jin1:J.. for oorrelation radii in directiona ... be used in practice both for a posteriori estimation of relati ve error in biomaes estimate by means ... the dependence of relative sampling error in a biomass estimate (from a survey) on the statistical ... Paper Title: The error of the biomass estimate as a function of survey parameters and the ... characteristics of the fish concentration density field and on parameters of the survey itself, have been derived ... with the help of mathematical statistics and methods of calculus of probabilities. The biomass estimate ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 213-228 : Author(s): Kizner, Z.I.
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Further computations of the consequences of setting the annual krill catch limit to a fixed fraction of the estimate of krill biomass from a survey
~ 0 3 ~ c n n y a ~ a 1 . ~ w o ~ ~ o r o YPOBHR (K'"), KaK ( ~ ) Y H K J & ~ R AOnM OqeHKM ~ H O M ~ C C ~ I , KOTOPaR YCTaHOBneHa KaK BbIn ... t s which they obta ined were MoDIFICAT1oNS part icularly sensi t ive to values assumed for natural ... classes; this means that the complete fixed catch specified will not be taken in every year during ... that B"P in this model is measured at the 'start' of the year, mean that krill reaching three years of age always ... relate potential krill yield to a pre-exploitation survey estimate of krill biomass. In this paper, the ... Paper Title: Further computations of the consequences of setting the annual krill catch limit to ... a fixed fraction of the estimate of krill biomass from a survey Abstract / Description: Butterworth ... et al. (1992) put forward an extension of the harvesting model of Beddington and Cooke (1983) to ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 81–106 : Author(s): Butterworth, D.S., G.R. Gluckman, R.B. Thomson, S. Chalis, K. Hiramatsu and D.J. Agnew
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The choice of procedure for deciding when to close fisheries regulated by CCAMLR: a simulation model
: a simulation model Abstract / Description: The methods, described in CCAMLR Conservation Measures, used ... decisions is investigated under a variety of circumstances. The model described in the existing conservation ... conservation measures, methodologies for deciding the date of closure of fisheries should incorporate ... The methods, described in CCAMLR Conservation Measures, used for deciding the closure date ... , described in CCAMLR Conservation Measures, used for deciding the closure date for fisheries monitored ... described in the existing conservation measures is shown to have a high probability of allowing large over ... is minimal. It is recommended that in future conservation measures, methodologies for deciding the date ... methodes decrites dans les mesures de conservation de la CCAMLR, servant it detenniner la date de ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 81–97 : Author(s): Agnew, D.J.
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A rationale for conservation areas within Antarctic waters
Paper Title: A rationale for conservation areas within Antarctic waters Abstract / Description ... : The application of potential conservation measures listed in Article IX 2 of the Convention requires ... resources’ (Article IX 2 (b)). In order to select meaningful boundaries for such areas, first priority has ... potential conservation areas are proposed: 70°W- 15°W 15°W- 40°E 40°E- 90°E 90°E- 150°E 150°E- 160°W 160 ... - 513 - A RATIONALE FOR CONSERVATION AREAS WITHIN ... of potential conservation measures listed in Article IX 2 of the Convention requires "the designation ... " (Article IX 2 (b)). In order to select meaningful boundaries for such areas, first priority has been ... six potential conservation areas are proposed: 700 W - 15°W 15°W - 400 E 400 E - 900 E 900 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 513-535 : Author(s): Chittleborough, R.G.
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Spatial distribution of management measures, Antarctic krill catch and Southern Ocean bioregions: implications for conservation planning
Ocean bioregions: implications for conservation planning Abstract / Description: Systematic ... conservation planning for developing marine spatial protection includes analysis of the spatial distribution ... ). However, conservation planning should take account of uncertainties that result from the different spatial ... : implications for conservation planning ... and scales that are appropriate in terms of both conservation benefits and rational use. A conservation ... conservation includes rational use, to the achievement of the fol- lowing objectives: (i) the protection ... ., 2007; Smith et al., 2009). The CCAMLR Scientific Committee has identified systematic conservation ... a transparent process to select areas that meet clear conservation goals (Ardron et al., 2010). Various ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 1–19 : Author(s): Grant, S.M., S.L. Hill and P.T. Fretwell
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A review of the effectiveness of streamer lines as a seabird by-catch mitigation technique in longline fisheries and CCAMLR streamer line requirements
streamer line requirements (Conservation Measure 25-02 (2002), formerly Conservation Measure 29/XIX ... and material standards. Improvements to streamer line requirements set out in Conservation Measure 25-02 ... reviews CCAMLR streamer line requirements (Conservation Measure 25-02 (2002), formerly Conservation ... performance and material standards. Improvements to streamer line requirements set out in Conservation Measure ... B. Sullivan Seabirds at Sea Team Falklands Conservation PO Box 26, Stanley, Falkland Islands G. Robertson ... requirements (Conservation Measure 25-02 (2002), formerly Conservation Measure 29/XIX) in light of a review ... standards. Improvements to streamer line requirements set out in Conservation Measure 25-02 are discussed ... de conservation 25-02 (2002), ancienne mesure de conservation 29/XIX) en vue d’une analyse de la ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 189–201 : Author(s): Melvin, E.F., B. Sullivan, G. Robertson and B. Wienecke
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Simulation of recovery rates of fish stocks in the South Georgia and Kerguelen Islands areas
Islands areas Abstract / Description: The benefits of conservation measures are generally based ... The benefits of conservation measures are generally based on the rebuilding of the depleted stocks ... . Hennemuth, K.D. Bisack and G. Duhamel (USA, France) Abstract The benefits of conservation measures ... mesures de conservation sont g~n~ralement bas~s sur la reconstitution des stocks d~peupl~s et l'am ... B OCHOBHOM B BOCCTaHOBneHHH I1CTOLLI,CHHblX 3unaCOB 11 YBCJll1'leHI1I1 BbInOBa. )l(cna'fCJl bHO, 'lT06bl ... as a Kernel) for each available observation. Each kernel is "centred" so that its geometric mean is located ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 229-298 : Author(s): Hennemuth, R.C., K.D. Bisack and G. Duhamel