Résultats de la recherche
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Demographic studies of Antarctic krill Euphausia superba Dana in the Cooperation and Cosmonaut Seas (Indian sector of the Southern Ocean)
-0.133 mm.d-1, during the first year of life, to 0.019-0.022 mm.d-1 during the fifth year. Von ...
Meeting Document : WG-Krill-94/16 : Auteur(s): E.A. Pakhomov (Ukraine)
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An evaluation of reduced target strength estimates reported for krill (Euphausia superba)
strength from the data and fall into three categories: 1) Errors in measurements and assumptions; 2 ... directivity effects as a result of items under category 1; an estimated 2-3 dB bias due to systematic errors ...
Meeting Document : WG-KRILL-90/13 : Auteur(s): M.C. Macaulay (USA)
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Determination of a statistically based survey area suitable for hydroacoustic stock assessment of Euphausia superba in the Elephant Island, King George Island, Bransfield Strait area
(approximately 1 million tons) years, and low standing stock (less than 1/2 million ton) years. The size of the ...
Meeting Document : SC-CAMLR-VIII/BG/32 : Auteur(s): Delegation of USA
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Estimating the impact of depredation by killer whales and sperm whales on longline fishing for toothfish (Dissostichus eleginoides) around South Georgia
smaller pod sizes, normally between 1 and 4 animals and have a relatively lower impact on catches ... have varied between 1% and 8% of the declared catches over the period 2003–2009, with an average of 3.6 ...
Meeting Document : WG-FSA-10/P06 : Auteur(s): J. Moir Clark and D.J. Agnew
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Revised assessment models for Patagonian toothfish in research block 58.4.3a_1 of Division 58.4.3a, Elan Bank for the years 2005–2014
Abstract: We revised sensitivity runs of age-structured and two fisheries (≥1 300 m and < 1 ...
Meeting Document : WG-FSA-15/22 : Auteur(s): K. Taki (Japan), S. Mormede (New Zealand) and T. Ichii (Japan)
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Improving CCAMLR’s monitoring and control of transhipments
monitoring and control of transshipments in 2014 [1], 2015 [2], and 2016 [3]. Despite robust consideration ... involving Antarctic marine living resources harvested inside the Convention Area. [1] SCIC 2014: the United ...
Meeting Document : CCAMLR-XXXVI/BG/17 : Auteur(s): Delegation of the USA
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Report of the UK groundfish survey at South Georgia (CCAMLR Subarea 48.3) in January 2017
Abstract: 1. The 2017 UK groundfish survey took place over the South Georgia and Shag Rocks shelf ... ) was calculated at 91,049 t with a lower 1-sided 95% interval estimate of 37,514t. Mackerel icefish ...
Meeting Document : WG-FSA-17/44 : Auteur(s): M. Belchier, V. Foster, S. Gregory, S. Hill, V. Laptikhovsky, P. Lafite and L. Featherstone
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Revised CASAL model for D. eleginoides with updated biological parameters at Division 58.4.4b
structured CASAL model was built to assess the stock of D. eleginoides at the research block 1 of Division ... have large impact on estimated B0 at the block 1 of Division 58.4.4b. On the other hands, the degree of ...
Meeting Document : WG-SAM-2019/30 : Auteur(s): T. Okuda and F. Massiot-Granier
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UPDATE OF THE INTEGRATED STOCK ASSESSMENT FOR THE PATAGONIAN TOOTHFISH (DISSOSTICHUS ELEGINOIDES) FOR THE HEARD AND MCDONALD ISLANDS USING CATCH-AT-AGE DATA AND TWO YEARS OF SURVEY ABUNDANCE-AT-AGE DATA
% for score 3 and 48% for score 4, the corresponding +/- 1 yr errors had prevalence of 46% and 45 ... %, respectively). A +/- 1 year error may seem minor relative to the complete age range modelled of 1 to 35 yr ...
Meeting Document : WG-SAM-09/09 : Auteur(s): S.G. Candy (Australia)
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INVESTIGATING LENGTH AT MATURITY OF ANTARCTIC TOOTHFISH (DISSOSTICHUS MAWSONI) BASED ON SCIENTIFIC OBSERVERS’ DATA
vitellogenic fish with low GSI values, in some cases below 1%. In most studies there was little if any ... estimate GSI thresholds for fish that had spawned in the previous season; which were set at 1% and 1.5% GSI ... ; or their residual GSI would be higher, in the order of 1% or more. Therefore any movement would have ...
Meeting Document : WG-FSA-08/48 : Auteur(s): S. Mormede, S. Parker and P. Grimes (New Zealand)