Search results
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Sensitivity investigation of the SDWBA Antarctic krill target strength model to fatness, material contrast and orientation
pe rb a M . n or ve gi ca N [4 5. 3, 30 .4 ] N [5 3. 8, 64 .2 ] O bs er va tio ... go rit hm . C la ss Pa ra m et er Sy m bo l Pa ck ag e va ria bl e U ni ... .1 ] N [0 ,3 0] O bs er va tio n in si tu w ith u nd er w at er c am er a Su gg es tio ... , 1 99 3 E. su pe rb a N [4 5. 6, 19 .6 ] O bs er va tio n in a qu ar iu m C hu ... model is recognised as state-of-the-art in predicting acoustic target strength (TS) from fluid-like ... TS of Antarctic krill (Euphausia superba) for use in the acoustic echo-integration method. In this ... the distribution of animal orientations. Due to the high variability of TS to realistic changes in ... variability of krill in the area of investigation. In a multifrequency context, the girth–length relationship ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 97–122 : Author(s): Calise, L. and G. Skaret
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An assessment of toothfish in Subarea 48.3 using CASAL
de légine autour de la Géorgie du Sud (sous-zone 48.3), effectuée au moyen du logiciel CASAL ... données. Étant donné la nature intégrée de l’évaluation, une attention toute particulière est accordée ... bayésiennes sont utilisées dans la procédure d’estimation et l’incertitude de la dynamique est explorée par ... plus lents, et par les outils de vérification de la convergence spécifiques à CASAL. Finalement, des ... Paper Title: An assessment of toothfish in Subarea 48.3 using CASAL Abstract / Description: This ... various tuning datasets. Bayesian methods are used in the estimation procedure, and uncertainty in the ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 65–95 : Author(s): Hillary, R.M., G.P. Kirkwood and D.J. Agnew
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CCAMLR Ecosystem Monitoring Program Standard Methods
la ir e Pi ng üi no d e ba rb ijo PY P P yg os ce lis p ap ua G en to o pe ng ui ... g az el la A nt ar ct ic f ur s ea l O ta ri e de K er gu el en L ob o fi no a nt ... er Fo ca c an gr ej er a D IM D io m ed ea m el an op hr ys B la ck -b ro w ed a lb ... el a nt ár tic o D A C D ap tio n ca pe ns e C ap e pe tr el Pé tr el d u C ap ... Description / Abstract: CCAMLR started planning its CCAMLR Ecosystem Monitoring Program (CEMP) in ... 1984, with the following aims: (i) to detect and record significant changes in critical components of ...
Document : Site Section: Publications
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e-sc-xxi-a4.pdf
... shell was extremely hard and striped, which created considerable difficulties for the de-shelling ... and Organisation of the Meeting.............................. 128 STATUS AND TRENDS IN THE KRILL ... STATUS AND TRENDS IN THE KRILL-CENTRIC ECOSYSTEM ................... 139 Status of Predators, Krill ... presentation of a poster brought by Dr B. Bergström (Sweden). The poster was displayed in the coffee break ... was adopted (Appendix A). 1.8 The List of Participants is included in this report as Appendix B and
application/pdf attached to:WG-EMM-02
Meeting Report : WG-EMM-02
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A study of Patagonian toothfish (Dissostichus eleginoides) post-tagging survivorship in Subarea 48.3
1 (c on ti nu ed ) V es se l E qu ip m en t E xp er im en ta l d es ig n Sa m pl e si ze ... t o n th ei r si ze . Fi sh > 80 c m p la ce d th re e at a ti m e in th e ta nk ... m e w as o bs er ve d to b e ca us ed by r ub bi ng o n th e fi br eg la ss si d es ... until further survivorship studies have confirmed the 95% rate. Résumé Pendant la saison de pêche ... in Subarea 48.3 Abstract / Description: During the 2005 fishing season, experiments on the ... survivorship of toothfish following tagging were carried out on eight different vessels fishing in Subarea 48.3 ... . Toothfish were kept in tanks with seawater replacement for at least 12 hours after tagging. On one vessel ... , fish with a variety of injuries were selected to see if this affected recovery. In the final analysis ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 279–289 : Author(s): Agnew, D.J., J. Moir Clark, P.A. McCarthy, M. Unwin, M. Ward, L. Jones, G. Breedt, S. Du Plessis, J. Van Heerdon and G. Moreno
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A possible framework in which to consider plausible models of the Antarctic marine ecosystem for evaluating krill management procedures
a- ic e, li gh t, nu tr ie nt s, te m pe ra tu re E co lo gi ca l f un ct io ns ... in cl ud e: (i ) pr od uc ti on , w it h th e at te nd an t p hy si ca l co nd it io ... m as s pr od uc ti on m od el . T ar ge t s pe ci es E up ha us ia s up er ba , C ha ... and for exploring the consequences of uncertainty. Résumé La CCAMLR met en place actuellement une procédure de ... Paper Title: A possible framework in which to consider plausible models of the Antarctic marine ... management procedure for the krill fishery, including the evaluation of candidate management procedures in a ... framework for allowing flexibility in dealing with biological, spatial and temporal scales. The body of the ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 99–117 : Author(s): Constable, A.J
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CEMP Standard Methods
la ir e Pi ng üi no d e ba rb ijo PY P P yg os ce lis p ap ua G en to o pe ng ui ... g az el la A nt ar ct ic f ur s ea l O ta ri e de K er gu el en L ob o fi no a nt ... er Fo ca c an gr ej er a D IM D io m ed ea m el an op hr ys B la ck -b ro w ed a lb ... el a nt ár tic o D A C D ap tio n ca pe ns e C ap e pe tr el Pé tr el d u C ap ... Description / Abstract: CCAMLR started planning its CCAMLR Ecosystem Monitoring Program (CEMP) in ... 1984, with the following aims: (i) to detect and record significant changes in critical components of ...
Document : Site Section: Science
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Distribution and size of Antarctic krill (Euphausia superba Dana) in Polish commercial catches taken in the Atlantic sector of the Southern Ocean from 1997 to 1999
and in all areas, however krill size was observed to decrease as the season progressed. Résumé Étude de la ... distribution et la structure interne des concentrations commerciales de krill dans les secteurs des îles ... Shetland du Sud, Éléphant, de la Géorgie du Sud et des Orcades du Sud pendant les printemps et étés de ... 1997 à 1999. La densité des concentrations variait en fonction du secteur et de la saison avec les ... Paper Title: Distribution and size of Antarctic krill (Euphausia superba Dana) in Polish ... commercial catches taken in the Atlantic sector of the Southern Ocean from 1997 to 1999 Abstract ... / Description: The distribution and internal structure of commercial krill concentrations were investigated in ... the areas of the South Shetland, Elephant, South Georgia and South Orkney Islands in the spring and ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 83–105 : Author(s): Jackowski, E
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A review of data on abundance, trends in abundance, habitat use and diet of ice-breeding seals in the Southern Ocean (submitted to the 2008 Joint CCAMLR-IWC Workshop)
Hubbs-SeaWorld Research Institute 2595 Ingraham Street San Diego, CA 92109 USA P. Trathan British ... Paper Title: A review of data on abundance, trends in abundance, habitat use and diet of ice ... -breeding seals in the Southern Ocean (submitted to the 2008 Joint CCAMLR-IWC Workshop) Abstract ... / Description: The development of models of marine ecosystems in the Southern Ocean is becoming increasingly ... . Collating data from disparate sources, and understanding biases or uncertainties inherent in those data, are ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 49–74 : Author(s): Southwell, C., J. Bengtson, M. Bester, A.S. Blix, H. Bornemann, P. Boveng and M. Cameron, J. Forcada, J. Laake, E. Nordøy, J. Plötz, T. Rogers, D. Southwell, D. Steinhage, B.S. Stewart and P. Trathan
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A hybrid approach to acoustic classification and length estimation of krill
à l’estimation de la taille de deux espèces d’euphausiidés par acoustique. Une concentration d’euphausiidés est ... classifi cation, on a intégré les décisions individuelles. La structure des tailles de la concentration ... classifi ée est dérivée d’un modèle de sphère fl uide. L’effi cacité de la méthode est démontrée en ... при различных условиях окружающей среды. Resumen Se considera el problema de la identifi cación ... the acoustic estimates of species and sizes to net samples collected during three surveys conducted in ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 33–58 : Author(s): Azzali, M., I. Leonori and G. Lanciani