Resultados de la búsqueda
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Coordinating approaches to incidental mortality arising from fisheries
Abstract: Globally, by-catch is recognised as one of the most significant issues affecting ... indirect impacts of harvesting on non-target taxa. There are many approaches to reduce by-catch. Current ... approaches to managing by-catch focus on by-catch avoidance and mitigation measures, setting of precautionary ... current approaches to by-catch management and activities across non-target taxa and examining the range of ...
Meeting Document : WG-FSA-03/71 : Autor(es): A.J. Constable, C. Davies, A.T. Williamson, R. Williams and E. van Wijk (Australia)
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Factors affecting the number and mortality of seabirds attending trawlers and longliners in the Kerguelen area
), based on observations carried out onboard by dedicated observers. Twenty-four species of seabirds were ... by birds. The activity of the vessels also affected the numbers attending, birds being more abundant ... -following seabird followed by Black-browed albatrosses, giant petrels and cape pigeon. The number of white ... were caught by fishing gears mainly by long-lines, in order of importance white-chinned petrels, black ...
Meeting Document : WG-FSA-99/26 : Autor(es): H. Weimerskirch, D. Capdeville and G. Duhamel (France)
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Fish in the diet of breeding Antarctic shags Phalacrocorax bransfieldensis at four colonies in the Danco Coast, Antarctic Peninsula
four colonies at the Danco Coast, Antarctic Peninsula, by the analysis of 616 pellets (regurgitated ... frequent and important prey at all the colonies sampled, followed by octopods and gastropods. Among fish ... , Notothenia coriiceps was the main prey in all of the sampling sites, followed in similar importance by G ... . gibberifrons in Cape Herschel, Primavera Island and Midas Island and in less importance by H. antarcticus in Py ...
Meeting Document : WG-EMM-00/9 : Autor(es): R. Casaux, A. Baroni and E. Barrera-Oro (Argentina)
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Results of reading tests of TOP otolith sections and time schedule of reading for Dissostichus otoliths caught in regions of data-poor fisheries
. by CASAL model. However, the age estimations using the otoliths have been scarcely progressed in ... between “known ages” by AAD (Australian Antarctic Division) and those estimated by the first author (Taki ... suggests that his reading clear the standard by NIWA (National Institute of Water and Atmospheric Research ... . On the other hand, a total of 60 TOA otolith references by bake-and-embed method were provided by ...
Meeting Document : WG-SAM-13/19 : Autor(es): K. Taki and T. Ichii (Japan)
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Alternative method of the age composition assessment on the basis of surveys length data using mixture distributions
Abstract: On the basis of the bottom trawl surveys carried out by Russia and Great Britain during ... 2000, 2002, 2004 in the South Georgia area, it is demonstrated that the method by Aitchison and ... casts doubt on the correctness of the first method application and therefore also of the method by de la ... Mare commonly used by CCAMLR in icefish age composition of abundance indices determination. To solve ...
Meeting Document : WG-FSA-05/78 : Autor(es): P. Gasyukov (Russia)
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Inclusion of fisheries notifications in the Database of Upcoming Expeditions to the Southern Ocean
(www.soos.aq). Developed by the Australian Antarctic Data Centre, DueSouth is an open-access resource for the ... community that supports the planning of collaborative field programs by providing basic information on ... flights by National Antarctic Programs, international oceanography programs, and tourist companies. The ... deployment of observational platforms or collection of data from regions that may not be routinely visited by ...
Meeting Document : CCAMLR-38/BG/26 : Autor(es): Submitted by SCOR
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Developing robust biomass estimates and advice on catch limits in research blocks
Abstract: In 2016, changes to the methods used by CCAMLR to estimate biomass in research blocks ... resulted in conflicting estimates of biomass between the CPUE by seabed area and the Chapman estimate. The ... different biomass estimates be provided. In this paper, we develop a modified CPUE by seabed area method ... that improves on the original CPUE by seabed area method for toothfish populations in research blocks ...
Meeting Document : WG-SAM-17/37 : Autor(es): S.J. Parker, S. Mormede, A. Dunn, S.M. Hanchet and C. Marsh
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CCAMLR Satellite Overwatch Report (Decision of the Thirty-seventh Meeting of the Commission, paragraph 3.8)
Abstract: This paper contains the report on outcomes of the work carried out by France and, in ... part by the CCAMLR Secretariat, proposed by France at CCAMLR-XXXVII, as endorsed by the Commission. The ... Center (FMCC). Part A of the paper reports on images analysed by the French FMCC containing a ... B of the paper reports on the analysis of AIS data carried out by the French agency CEREMA. Author(s ...
Meeting Document : CCAMLR-38/BG/06 : Autor(es): Delegation of France and CCAMLR Secretariat
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Fish prey of the wandering albatross Diomedea exulans at South Georgia
Abstract: The fish diet (45% of total diet by weight) of Wandering Albatrosses rearing chicks at ... regurgitations. These provide the first quantitative data for this species and for any albatross. By number of ... gibberifrons, Pagothenia hansoni and Champsocephalus gunnari (together 12%) also present. Composition by weight ... %, Chaenocephalus 27%; if digestion and wear had reduced otoliths by 10% the values would be Pseudochaenichthys 54 ...
Meeting Document : SC-CAMLR-VII/BG/05 : Autor(es): J.P. Croxall, A.W. North and P.A. Prince (United Kingdom)
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SUMMARY OF SCIENTIFIC OBSERVATIONS IN THE CAMLR CONVENTION AREA FOR 2009/10 SEASON
was still at sea. Nine cruises were undertaken in Subarea 48.3 by 9 vessels, two cruises were ... undertaken in Subarea 48.4 by 2 vessels, three cruises was undertaken in Subarea 48.6 and Divisions 58.4.1 ... , 58.4.2, 58.4.3a and 58.4.3b by 3 vessels, 3 cruises were conducted by 2 vessels in Division 58.5.2 (one ... undertaken in Subareas 88.1 and 88.2 by 12 vessels. 3. Throughout this paper the data reported are those that ...
Meeting Document : WG-FSA-10/05 : Autor(es): Secretariat