Résultats de la recherche
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Diving pattern and performance in nonbreeding gentoo penguins (Pygoscelis papua) during winter
, and compared foraging behavior with that of breeding (chick-rearing) birds. Foraging was highly ... diurnal with 98% of foraging trips completed during the same day. Foraging-trip frequency was 0.8/day ... , trip duration was 6-8 h, and birds spent 51-62% of the foraging trip diving. Dive depth and duration ... were bimodal. Shallow dives (30 m; 55% of total number and 81% of dive time) averaged 74-105 m and 2.7 ...
Meeting Document : WG-CEMP-92/37 : Auteur(s): T.D. Williams (United Kingdom), A. Kato (Japan), J.P. Croxall (United Kingdom), Y. Naito (Japan), D.R. Briggs, S. Rodwell and T.R. Barton (United Kingdom)
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Report on bottom fisheries and vulnerable marine ecosystems: draft template and workplan
Abstract: The WG-FSA Subgroup on VMEs was tasked with providing a draft template of a Report on ... . The structure aims to follow the logic of the fishery reports already provided by WG-FSA: (i) Status ... of the fisheries, (ii) Knowledge on the fish stocks, (iii) Methods, (iv) Assessments of status and ... of VMEs, resulting in the following structure to replicate that approach: (i) Details of Bottom ...
Meeting Document : WG-EMM-10/15 : Auteur(s): WG-FSA Subgroup on VMEs
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Informations scientifiques à la base de la proposition de Système représentatif d'aires marines protégées de l'Antarctique de l'Est
Representative System of Marine Protected Areas (EARSMPA), including why the EARSMPA will contribute to the ... Commission achieving the objectives of CCAMLR in Article II, in both conservation and in science relevant to ... the Commission; the science underpinning the design of the EARSMPA; and why each MPA is important to ... the EARSMPA. It is a synthesis of previous submissions since 2010 to CCAMLR, SC-CAMLR and its working ...
Meeting Document : SC-CAMLR-IM-I/10 Rev. 1 : Auteur(s): Delegations of Australia, France and the European Union
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Proposition portant création d'une aire marine protégée dans la région de la mer de Ross
Abstract: The delegations of New Zealand and the United States submit this revised proposal for ... the establishment by the Commission for the Conservation of Antarctic Marine Living Resources ... (Commission or CCAMLR) of a marine protected area (MPA) in the Ross Sea Region (“Ross Sea Region Marine ... resources; maintain ecosystem structure and function; protect vital ecosystem processes and areas of ...
Meeting Document : CCAMLR-XXXII/27 : Auteur(s): Delegations of New Zealand and the USA
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Proposition de création d'un groupe d'experts sur l'AMP du domaine 1
research and fishing activities. The complexity of its management is reflected in the numerous discussions ... included the increase of the catch level of krill (CM 51-07), the development of a risk assessment and the ... feedback management strategy, and lately the designation of a Marine Protected Area. In addition ... changes, a new approach involving the views of multinational experts is required, in order to identify the ...
Meeting Document : SC-CAMLR-XXXVI/19 : Auteur(s): Delegations of Argentina and Chile
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Statistical problems in krill stock hydroacoustic assessments
: Two primary issues are at question for hydroacoustic assessments of krill. The first is the methods ... applied to establish biomass in a survey area and the second is the improvement in accuracy of target ... -strength measurements. In the case of statistical methods, there are no clear guidelines for deciding what ... does not invalidate the use of available methods to conduct surveys and analyze results. In the case of ... assessments of krill. The first is the methods applied to establish biomass in a survey area and the second ... is the improvement in accuracy of target-strength measurements. In the case of statistical methods ... well addressed by present techniques. However, this does not invalidate the use of available methods ... to conduct surveys and analyze results. In the case of target-strength accuracy, even if the ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 301–309 : Auteur(s): Macaulay, M.C.
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Foraging patterns in the Antarctic shag (Phalacrocorax bransfieldensis) at Harmony Point, Antarctica
Abstract: During the 1995/96 and 1996/97 summer seasons the foraging pattern of the Antarctic ... Point, Nelson Island, South Shetland Islands. During pre-laying and incubation individuals of both sexes ... nests. During the rearing period the parents incremented the number of daily foraging trips usually ... alternating the time at sea. Compared to the incubating period, when rearing chicks individuals of both sexes ...
Meeting Document : WG-EMM-04/22 : Auteur(s): R. Casaux and A. Baroni (Argentina)
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Predation on cephalopods by Pygoscelis papua and Arctocephalus gazella at South Orkney Islands
Abstract: The cephalopod diet of the Gentoo penguin, Pygoscelis papua and the Antarctic fur seal ... , Arctocephalus gazella was comparatively analyzed at Laurie Island, South Orkney Islands. A total of 125 stomach ... samples were collected by the water off-loading method from Gentoo penguins during the autumns of 1993 ... % of the samples. Lower beaks identified belonged exclusively to the squid Psychroteuthis glacialis ...
Meeting Document : WG-EMM-04/68 : Auteur(s): M.M. Libertelli, G.A. Daneri (Argentina), U. Piatkowski (Germany), N.R. Coria and A.R. Carlini (Argentina)
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SOUTHERN OCEAN SENTINEL: AN INTERNATIONAL PROGRAM TO ASSESS CLIMATE CHANGE IMPACTS ON MARINE ECOSYSTEMS
Centre, Australian Antarctic Division, and WWF-Australia. This paper provides the Executive Summary of ... Abstract: Assessment and predictive models need to be developed to provide two assessments of ... climate change impacts on Southern Ocean ecosystems to inform governments of the consequences of climate ... ecosystems, using select indicators of Southern Ocean ecosystems as early warning signals, to inform managers ...
Meeting Document : SC-CAMLR-XXVIII/BG/17 : Auteur(s): Delegation of Australia
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Groupe de travail sur les statistiques, les évaluations et la modélisation (WG-SAM)
introduced and incorporated into assessments undertaken during the time of a single meeting. As a result, the ... to provide time for a thorough evaluation of new assessment methods prior to their use at WG-FSA. In ... year since 2003, usually in association with the timing and location of the meeting of the Working ... need for a specialist working group that could review technical assessment and modelling issues of ...
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