Search results
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The 1991/92 fishery for Dissostichus eleginoides in Subarea 48.3
) 40 50 60 70 itl --l .r: ~ :J 0 (f) 80 90 100110120130140150160170180 Standard length (cm ... .. .., 200 .0 E " 150 :z 100 50 0 40 50 60 70 80 90 100110120130140150160170180 Standard Length ... 0 0 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 40 50 60 70 80 90 100110120130140150160170180 ... . Biology and status of exploited Antarctic fish stocks: a review. BIOMASS Scientific Series ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 31–48 : Author(s): Agnew, D.J. and C.A. Moreno
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Assessment and tag program adaption methods for exploratory fisheries in the CAMLR Convention Area: an example application for Division 58.4.3a
is to pro- vide an assessment and tag-program management process that can be used in the period when ... . population dynamics model As mentioned, the Pella-Tomlinson biomass dynamics model is employed as the basis ... in the following year/season, as required. As mentioned, the Lincoln-Petersen abundance esti- mator (Seber, 1982 ... ) is employed and, from a fish- eries context it relates, in any given year/season, the number of animals ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 101–113 : Author(s): Hillary, R.M
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A potential feedback approach to ecosystem-based management: Model Predictive Control of the Antarctic krill fishery
important challenges, including: (i) the need to meet multiple objectives for krill, its predators ... using an objective function which minimises the predicted deviation of multiple state variables (pro ... ( ) ( )1, 2,, 594,344ss ssH H = Linear feedback gain 0.73 0 2.80 0 0.09 0 0.08 0.89 0 0.06 0.81 0.09 ... 2.71 0 0.07 0 0 0.90 L é ù- ê ú= ê ú- -ë û Asymptotic value in terms of the predicted ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 119–137 : Author(s): Hill, S.L. and M. Cannon
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A preliminary investigation of the possible effects of rhizocephalan parasitism on the management of the crab fishery around South Georgia
of the main effects of the parasite is to render infected animals sterile. Parasitism can therefore reduce ... in spawning stock. The effects of harvesting both healthy and infected animals are contrasted with the effects ... of harvesting healthy animals only. Equilibrium and transition dynamics of the models are explored for ranges ... of parameter values. Results indicate a need to harvest or remove infected animals from the population ... and harvesting healthy animals only. The resilient stock- recruit relationship was used. 0 20 40 60 80 100 120 ... 48.3) since 1992. One of the main effects of the parasite is to render infected animals sterile ... and infected animals are contrasted with the effects of harvesting healthy animals only. Equilibrium ... to harvest or remove infected animals from the population. The need is stronger when the population ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 175–192 : Author(s): Basson, M
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A post-processing method to remove interference noise from acoustic data collected from Antarctic krill fishing vessels
–40 –20 Sv (dB) 0 5 10 15 20 -100 -90 -80 -70 -60 -50 Ping number M VB ... S /d B re 1m b –50 –60 –70 –80 –90 –100 ... ) in the Southern Ocean (Greene et al., 1991). To date, only two large-scale multiship sci- entific acoustic ... into the Echoview acoustic data post-processing software (V4.90, Myriax, Pty Ltd., Australia, 2010; Higginbottom ...
Science Journal Paper : CCAMLR Science, Volume 23 (CCAMLR Science, Volume 23) : 17–30 : Author(s): Wang, X., J. Zhang and X. Zhao
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The use of patent databases to predict trends in the krill fishery
500 600 700 800 900 19 76 19 78 19 80 19 82 19 84 19 86 19 88 19 90 19 92 19 94 19 96 ... 19 80 19 82 19 84 19 86 19 88 19 90 19 92 19 94 19 96 19 98 20 00 20 02 20 04 20 06 20 ... related to uses of krill for Human Use purposes, 1973–2008. 0 10 20 30 40 50 60 70 80 90 19 76 ... 19 78 19 80 19 82 19 84 19 86 19 88 19 90 19 92 19 94 19 96 19 98 20 00 20 02 20 04 20 ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 135–144 : Author(s): Foster, J., S. Nicol and S. Kawaguchi
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Fitting Euphausia superba into Southern Ocean food-web models: a review of data sources and their limitations
Paper Title: Fitting Euphausia superba into Southern Ocean food-web models: a review of data ... Fitting Euphausia superba into Southern Ocean food-web models: a review of data sources ... : A REVIEW OF DATA SOURCES AND THEIR LIMITATIONS A. Atkinson* British Antarctic Survey Natural ... and Ecosystems CRC University of Tasmania Private Bag 80 Hobart, Tasmania 7001 Australia E. Pakhomov ... animals have received as much research attention as Antarctic krill (Euphausia superba ... . This review aims firstly to help identify key references and sources of data that will help food- web ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 219–245 : Author(s): A. Atkinson, S. Nicol, S. Kawaguchi, E. Pakhomov, L. Quetin, R. Ross, S. Hill, C. Reiss, V. Siegel, G. Tarling (submitted to the 2008 Joint CCAMLR-IWC Workshop)
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Factors to consider in developing management measures for krill
/ Description: A brief review of the objectives of the Convention for the Conservation of Antarctic Marine ... A brief review of the objectives of the Convention for the Conservation of Antarctic Marine Living ... WG-KRILL-90/14 FACTORS TO CONSIDER IN DEVELOPING ... MANAGEMENT MEASURES FOR KRILL W.K. de la Mare>l< Abstract A brief review of the objectives ... in the past, and this raises the need for new approaches to fishery conservation. In any case, the problems ... . 2. OBJECTIVES OF CCAMLR 176 The general objectives of CCAMLR are given in Article IT of the Convention ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 175–187 : Author(s): de la Mare, W.K.
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Notothenia (P.) guntheri stock status and TAC estimation in the area of Shag Rocks (Subarea 48.3)
(Subarea 48.3) Abstract / Description: Data on age composition of catches and fishing efforts for 1979/80 ... N. guntheri abundance was estimated as 227 thousand tonnes (using all the above mentioned methods). For 1986 ... Data on age composition of catches and fishing efforts for 1979/80-1987/88 were used to analyse ... was estimated as 227 thousand tonnes (using all the above mentioned methods). For 1986/87 the figure was only ... 3 25,20 25,20 27,30 21,60 28,50 25,80 25,80 22,50 31,60 37,90 4 39,00 39,00 37,00 42,50 39,00 39,60 ... 1985/86 1986/87 1 0,900 33,00 11,80 80,90 34,50 19,10 55,10 84,60 20,80 2,68 2 0,900 274,90 21,30 ... 467,50 320,30 46,20 36,20 173,70 454,80 57,88 3 0,900 160,50 91,70 306,70 382,00 43,00 58,90 102,60 ... I1TOrO 15188.60 14671.90 12665.30 10600.30 7467.10 6833.40 1035.80 9864.60 10386.70 Ta6JulU ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 53-68 : Author(s): Shust, K. and R. Borodin
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Integrating Count Effort by Seasonally Correcting Animal Population Estimates (ICESCAPE): a method for estimating abundance and its uncertainty from count data using Adélie penguins as a case study
Paper Title: Integrating Count Effort by Seasonally Correcting Animal Population Estimates ... animal count data to a common reference point of breeding chronology for species with a complex temporal ... function of sampling availability. ICESCAPE (Integrating Count Effort by Seasonally Correcting Animal ... Integrating Count Effort by Seasonally Correcting Animal Population Estimates (ICESCAPE): a method ... IntegratIng Count effort by SeaSonally CorreCtIng anImal PoPulatIon eStImateS (ICeSCaPe): a method ... Canada Abstract This work describes a parametric bootstrap model for standardising animal count data ... availability. ICESCAPE (Integrating Count Effort by Seasonally Correcting Animal Population Estimates ... animales con respecto a un punto de referencia común de la cronología de reproducción para especies con ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 213–227 : Author(s): McKinlay, J., C. Southwell and R. Trebilco