Résultats de la recherche
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Distribution and possible areas of spatial mixing of two stocks of humpback whales, a krill predator, in the Indo-Pacific region of the Antarctic revealed by genetic analyses
Abstract: The main purpose of this study was to investigate the distribution and areas of mixing ... of two stocks of the humpback whale, a krill predator, in the Indo-Pacific region of the Antarctic ... stocks have shown sign of recovery after heavy commercial exploitation in the last century. Information ... on distribution and areas of mixing in the Antarctic feeding grounds is essential to assist the ...
Meeting Document : WG-EMM-2019/67 : Auteur(s): L.A. Pastene, M. Goto, M. Taguchi and K. Matsuoka
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VME detection thresholds: provision of a beta version of a R library to compute detection probabilities and preliminary results on the case of the sea pens (Pennatulacea) of the CCAMLR Division 58.4.4b
, the data are reported to the Secretariat to inform the CCAMLR about the potential presence of VME to ... of sea pens (Pennatulacea, NTW, VME bioindicator) in the 58.4.4b sector have been reported during the ... CCAMLR SAM Working Group 2018. However, despite the important level of the catches, no VME detection ... threshold triggering out the establishment of an immediate fishing exclusion zone have been reached. Here ...
Meeting Document : WG-FSA-2019/46 : Auteur(s): A. Martin and M. Eléaume
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Scientific background document in support of the development of a CCAMLR MPA in the Weddell Sea (Antarctica) – Version 2016 – Part A: General context of the establishment of MPAs and background information on the Weddell Sea MPA planning area
) the scientific background and justification for the development of a marine protected area (MPA) in ... general context of the establishment of CCAMLR-MPAs and provides the background information on the Weddell ... -16/03 (Part C) describes the methods and the results of the scientific analyses as well as the ... development of the objectives and finally of the borders for the WSMPA. Earlier versions of Parts A-C were ...
Meeting Document : WG-EMM-16/01 : Auteur(s): K. Teschke, D. Beaver, M.N. Bester, A. Bombosch, H. Bornemann, A. Brandt, P. Brtnik, C. de Broyer, E. Burkhardt, B. Danis, G. Dieckmann, L. Douglass, H. Flores, D. Gerdes, H.J. Griffiths, J. Gutt, S. Hain, J. Hauck, H. Hellmer, H. Herata, M. Hoppema, E. Isla, K. Jerosch, S. Kaiser, P. Koubbi, K.-H. Kock, R. Krause, G. Kuhn, P. Lemke, A. Liebschner, K. Linse, H. Miller, K. Mintenbeck, U. Nixdorf, H. Pehlke, A. Post, M. Schröder, K.V. Shust, S. Schwegmann, V. Siegel, V. Strass, K. Thomisch, R. Timmermann, P.N. Trathan, A. van de Putte, J. van Franeker, I.C. van Opzeeland, H. von Nordheim and T. Brey
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Agreement on the Conservation of Albatrosses and Petrels – Report of the First Meeting of the Advisory Committee Interim Secretariat – Agreement on the Conservation of Albatrosses and Petrels
Abstract: The First Meeting of the Advisory Committee to the Agreement on the Conservation of ... Albatrosses and Petrels was held in Hobart from 20-22 July 2005. This meeting followed the First Session of ... the Meeting of the Parties, held in Hobart from 10-12 November 2004. Eleven Parties have ratified the ... Agreement of which six were represented at the Advisory Committee meeting. In addition three range states ...
Meeting Document : WG-FSA-05/25
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Results of research into distribution and status of stocks of target species in the Convention Area – Atlantic, Indian and Pacific Ocean sectors of the Antarctic
results of more than 130 research cruises are summarised according to the three major sectors: the ... : • location, period of time and main objects of research cruises, • average annual hydrometeorological ... , • particulars of bioproductivity cycle. The Atlantic Sector has be en studied more thoroughly. The biology and ... , modal length and weight, growth patterns, length and age at maturity, sex ratio, period of spawning ...
Meeting Document : SC-CAMLR-III/INF. 10 : Auteur(s): USSR Delegation
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Influence of tag numbers, size of tagged fish, duration of the tagging program, and auxiliary data on bias and precision of an integrated stock assessment
collection, this study investigated how the bias and precision of a CASAL assessment is influenced by various ... aspects of a tagging program, in particular the effects of the numbers of fish tagged, the duration of a ... tagging program, the size of tagged fish, and the type of auxiliary data used in the assessment. The ... numbers were important particularly in the early stages of an exploratory fishery to ensure some ...
Meeting Document : WG-SAM-12/24 : Auteur(s): P.E. Ziegler (Australia)
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Testing the performance of a recompiled version of TrawlCI to calculate confidence intervals of abundance in surveys of Patagonian toothfish (Dissostichus eleginoides) and mackerel icefish (Champsocephalus gunnari)
Abstract: A version of the confidence interval calculating program TrawlCI was recompiled to ... enable it to be run within the DOS emulator of recent versions of the Microsoft Windows operating system ... . The performance of the recompiled version was compared with that of the original version. The ... recompiled version of TrawlCI produced very similar, though not identical, results to the original version ...
Meeting Document : WG-FSA-SAM-05/14 : Auteur(s): T.D. Lamb, W.K. de la Mare and A.J. Constable (Australia)
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DEVELOPING FOUR PLAUSIBLE PARAMETERISATIONS OF FOOSA (A SO-CALLED REFERENCE SET OF PARAMETERISATIONS) BY CONDITIONING THE MODEL ON A CALENDAR OF EVENTS THAT DESCRIBES CHANGES IN THE ABUNDANCES OF KRILL AND THEIR PREDATORS IN THE SCOTIA SEA
Abstract: We tuned four parameterizations of Foosa to provide predictions that are consistent ... with the agreed calendar, as specified by the WG-SAM, that describes changes in the abundances of krill ... and their predators in the Scotia Sea. First, we compiled a set of base parameterizations from ... parameterizations cover a combinatorial framework that considers krill movement (or lack thereof) and the shape of a ...
Meeting Document : WG-EMM-08/13 : Auteur(s): G.M. Watters, J.T. Hinke (USA) and S. Hill (United Kingdom)
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KRILL CATCHES INDICATE THE IMPACT OF THE EL-NIŇO – SOUTHERN OSCILLATION RELATED PROCESSES ON THE DISTRIBUTION OF KRILL BIOMASS BETWEEN SUBAREAS OF THE ATLANTIC SECTOR OF ANTARCTIC
different climate oceanographic regimes and its influence on krill biomass into the discussion of krill ... used to analyze the influence of the El-Niňo – Southern Oscillation (ENSO) related processes on the ... inter-annual variation of krill biomass distribution between the major statistical subareas. The ... analysis suggest that the dynamics of krill biomass in fishable aggregations in Subareas 48.1 and 48.2 is ...
Meeting Document : WG-EMM-09/47 : Auteur(s): V. Spiridonov (Russia)
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Some peculiarities of the distribution and fishing of Euphausia superba in the Indian sector of the Southern Ocean (by results of USSR fleet operations in 1970–1990)
operations in the Indian sector of the Southern Ocean (statistical divisions 58.4.1 and 58.4.2) for the ... purposes of the searching of fishable aggregations of Antarctic krill (Euphausia superba). Commercial ... fishing for the Antarctic krill in the Indian sector of the Southern Ocean was carried out from 1977 to ... 1984. The main peculiarity of fishable aggregations in the Cooperation Sea as a rule out of shelf water ...
Meeting Document : WG-EMM-12/35 : Auteur(s): L. Pshenichnov (Ukraine)