Resultados de la búsqueda
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Revision of the CCAMLR Scientific Observers Manual
Abstract: This document summarises the suggestions made by WG-EMM to address the requests made by ... the Scientific Committee in relation to Scientific Observer Manual. These are establishment and ... of krill fishery, and other minor revisions on the e-forms. This document also contains examples of ... the revisions made to the forms and is presented to the Working Group on Fish Stock Assessment for ...
Meeting Document : WG-FSA-07/54 : Autor(es): S. Kawaguchi (Australia) and E. Appleyard (CCAMLR Secretariat)
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Can the chemistry of otolith nuclei determine population structure of Patagonian toothfish Dissostichus eleginoides?
Abstract: Otolith nucleus chemistry resolved the population structure of Patagonian toothfish ... (Dissostichus eleginoides), an exclusively marine species, along the Patagonian Shelf and North Scotia Ridge out ... to South Georgia in the Southern Ocean. Concentrations of 55Mn, 88Sr, and 137Ba, ratioed to 42Ca ... , showed a sharp population boundary in the vicinity of the Polar Front, between South Georgia and the ...
Meeting Document : WG-FSA-06/P2 : Autor(es): Ashford, J.R., A.I. Arkhipkin and C.M. Jones
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Developing conceptual models of elements of the Antarctic marine ecosystem: Antarctic krill (Euphausia superba)
based on observations and data from the literature. The model attempts to take into account the observed ... as an evolved product of interactions between the species and its environment. In particular, the ... model focuses on the different forces that act on the larval and adult stages. Author(s): S. Nicol and ... S. Kawaguchi (Australia) Title: Developing conceptual models of elements of the Antarctic marine ...
Meeting Document : WG-EMM-04/50 : Autor(es): S. Nicol and S. Kawaguchi (Australia)
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Operational interactions between cetaceans and the Patagonian toothfish (Dissostichus eleginoides) industrial fishery off Southern Chile
Abstract: Operational interactions between marine mammals and the Patagonian toothfish ... 100%. Considering that in 153 (84%) of the effectively monitored sets no interaction whatsoever was ... recorded and that the mode and median of the predation rate was 0, the global impact of cetaceans over the ... =12) the rate of predation decreased to 0%. Upon detecting orca presence, sperm whales modified their ...
Meeting Document : WG-FSA-03/95 : Autor(es): R. Hucke-Gaete, C.A. Moreno and J.A. Arata (Chile)
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Preliminary report on IWC-SO GLOBEC collaborative research in the western Antarctic Peninsula study area, March–June 2001
Abstract: The first three cruises in the 'year round' Southern Ocean GLOBEC series for ... on the vessels by the IWC. Passive acoustic moorings and expendable sonobuoys were deployed by the US ... passive acoustic team. The most frequently recorded and abundant baleen whale species in the study area ... correlation between autumn and early winter baleen whale distribution, the inshore cold Antarctic coastal ...
Meeting Document : SC-CAMLR-XX/BG/29 : Autor(es): Observer (IWC)
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The population of Mirounga leonina at stranger point (25 de Mayo – King George I.)
Abstract: This paper includes information on the trend of the elephant seal population at ... Stranger Point (25 de Mayo-King george I.) between 1980-87(excluding 1981). A decline in the population was ... observed in 1980-82 and 1987. The female component was mainly affected in 1 980-82 (r=-0.568) while the ... (ENSO) events upon the numerical changes in the studied population is postulated. Author(s): Delegation ...
Meeting Document : SC-CAMLR-VII/BG/33 : Autor(es): Delegation of Argentina
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Age determination of the Antarctic fishes Champsocephalus gunnari and Notothenia rossii from South Georgia
Abstract: Foremost in the elucidation of accurate population dynamics parameters in fish is a ... used annual rhythmic deposition in calcified tissues as time marks but, due ts the lack of distinct ... difficult. It is now possible to determine the age of fish through the utilization of daily increments in ... dynamics, investigations were performed on otoliths from the Antarctic fish Champsocephalus gunnari and ...
Meeting Document : SC-CAMLR-VI/BG/43 : Autor(es): R. Radtke (USA)
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Diet composition and feeding strategy of Antarctic toothfish, Dissostichus mawsoni in SSRU 5841C-a for the exploratory longline fishery in 2012/13 of Korea
Abstract: The stocks of Dissostichus mawsoni in the Division 58.4.1 were vulnerable with a big ... information to assess the robust stocks and deliberate proper measurements for sustainable utilize, especially ... fishery managements. Therefore, the Korean scientists analyze diet composition and feeding strategy of ... Antarctic toothfish, Dissostichus mawsoni in SSRU 58.4.1.C-a as a part of Korean research plan for the ...
Meeting Document : WG-SAM-13/26 : Autor(es): I. Yeon, Y.J. Kwon, S.G. Choi, K.J. Seok, D.W. Lee, J.M. Jeong, S.J. Ye, H.J. Kim and G.W. Baeck (Republic of Korea)
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A proposed observer logbook for the 2015 krill trawl fishery
Abstract: During 2013 the CCAMLR Scheme of International Scientific Observation (SISO) was ... ). The panel recommended a number of changes to the SISO observer logbooks to remove obsolete data ... collection practices, and streamline the forms for ease of use by CCAMLR observers. This paper summarises the ... proposed changes made in the draft 2015 observer logbook for the krill trawl fishery and its accompanying ...
Meeting Document : WG-EMM-14/28 : Autor(es): Secretariat
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Comparison of bootstrap methods for assessment of mackerel icefish (Champsocephalus gunnari) in CCAMLR Statistical Subarea 48.3 based on the ground fish survey
Abstract: The existing bootstrap used in the assessment of icefish biomass in CCAMLR subarea 48.3 ... was compared to an alternative rescaled bootstrap to compare the performance of the methods. The ... differences between the method were small (less than 5%) except for slightly lower 5%iles in 2002 and 2004 in ... the rescaled bootstrap. Author(s): T. Earl and N. Fallon Title: Comparison of bootstrap methods for ...
Meeting Document : WG-SAM-17/36 : Autor(es): T. Earl and N. Fallon