Résultats de la recherche
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An outline of narrowband echosounder survey methods to estimate biomass of Antarctic krill in CCAMLR Division 58.4.1 during 2018/19 season by the Japanese survey vessel, Kaiyo-maru
Abstract: Japanese multidisciplinary survey with a focus on biomass estimation of Antarctic krill ... CCAMLR standard will be employed in the analysis but utility of 70 kHz data will also be investigated ... . Measurements of acoustic impedances (mass density and sound-speed contrasts) of krill will also be conducted ... during the survey. Currently, the compatibility of the output data between EK60 and EK80 has been ...
Meeting Document : SG-ASAM-18/02 : Auteur(s): K. Abe, K. Amakasu, R. Matsukura, T. Mukai and H. Murase
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Use of cameras and sensors to monitor the behaviour and benthic impact of longline gears
Abstract: In order to investigate and monitor the ecological impact of longlines on the benthic ... environment and subsequently develop strategies for its management, the UK is conducting a series of research ... projects studying the potential impact of longline fishing gear on benthic habitats. The research has been ... structured around three approaches, each deploying a different format of benthic camera system and movement ...
Meeting Document : WG-FSA-2019/24 : Auteur(s): C. Darby
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ESTIMATES OF NUMBERS OF KELP GULLS AND KERGUELEN AND ANTARCTIC TERNS BREEDING AT THE PRINCE EDWARD ISLANDS, 1996/97–2008/09
Abstract: Breeding numbers of Laridae and other surface-nesting seabirds have been monitored at ... subantarctic Marion Island since 1996/97 and counts of breeding birds were made at nearby Prince Edward Island ... tern S. virgata. The latter three species currently each have populations of below 150 breeding pairs ... the 1980s. Kerguelen tern numbers decreased and then recovered at Marion Island but numbers of the ...
Meeting Document : WG-EMM-10/P5 : Auteur(s): P.A. Whittington, R.J.M. Crawford, B.M. Dyer and P.G. Ryan
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History of development and completion of tasks put forward by WG-EMM (1995–2000)
Abstract: In response to the debate at WG-EMM-99 about the development of the ecosystem approach ... within CCAMLR. The Secretariat prepared a review of the various tasks initiated at WG-EMM-95 and later ... review covers meetings of WG-EMM from 1995 to 2000. Author(s): Secretariat Title: History of ... development and completion of tasks put forward by WG-EMM (1995–2000) Approval: Approved ...
Meeting Document : WG-EMM-01/4 : Auteur(s): Secretariat
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Outline details of the proposed aerial photographic survey at South Georgia for estimating breeding population sizes of land-based predators
Abstract: This paper describes current research plans to estimate the size of land-based marine ... the abundance of these populations. The research will focus upon predator species that depend upon ... concentrate upon those species where there is a high probability of interaction with fisheries and significant ... develop new methods that reliably estimate predator population sizes whilst minimising the level of ...
Meeting Document : WG-EMM-01/24 : Auteur(s): P. Trathan and D. Briggs (United Kingdom)
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Entanglements and incidental mortality of birds and seals - summary of reports to CCAMLR, 1985 to 1993
Abstract: This paper summarises the incidence of entanglements and incidental mortality of birds ... onwards. A bibliography on entanglement, incidental mortality and effects of marine debris on seabirds and ... . Author(s): Secretariat Title: Entanglements and incidental mortality of birds and seals- summary of ...
Meeting Document : WG-IMALF-94/13 : Auteur(s): Secretariat
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Improvements to the System of Inspection concerning stowage of fishing gear on vessels in areas closed for fishing
Abstract: This paper proposes a minor modification to the "indicators of fishing" ... ; adopted at CCAMLR XIV to ensure that all methods of fishing (longlining, potting and trawling) in the ... fully address harvesting by potting and trawling. Author(s): Delegation of Australia Title ... : Improvements to the System of Inspection concerning stowage of fishing gear on vessels in areas closed for ...
Meeting Document : SCOI-96/03 : Auteur(s): Delegation of Australia
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A methodological proposal to monitor changes in coastal fish populations by the analysis of pellets of the blue-eyed shag Phalacrocorax atriceps
. The methodology considered is based in the analysis of regurgitated pellets of the blue-eyed shag ... Phalacrocorax atriceps. The fundaments of the proposal as well as the methods tested and the steps followed are ... changes in coastal fish populations by the analysis of pellets of the blue-eyed shag Phalacrocorax ...
Meeting Document : WG-EMM-95/84 : Auteur(s): Barrera-Oro, E., Casaux, R.
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Determination of local density of Dissostichus eleginoides in Subarea 48.3 - CCAMLR protocol local depletion experiment Ihn Sung 66 - January 1994
circulated by the Secretariat in COMM CIRC 93/50. The results of this experiment are presented. Leslie and ... fishable area of 50 nm2 this represented a density of 0.5kg/nm2 Suggestions are made for the design of ... of local density of Dissostichus eleginoides in Subarea 48.3- CCAMLR protocol local depletion ...
Meeting Document : WG-FSA-94/22 : Auteur(s): C. Jones and G. Parkes (United Kingdom)
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Feasibility of trawl surveys to estimate abundance of juvenile toothfish in Subarea 88.1
Abstract: This report presents results from a desktop study to determine the feasibility of ... average over the last three years, 63% of the seabed area from 0–600 m depth was not fishable in January ... –February because of ice. Ice cover varied greatly between years, with the untrawlable area ranging from 31 ... % in 2002 to 89% in 2002. Less than 10% of the potential trawl survey area was fishable in all three ...
Meeting Document : WG-FSA-SAM-04/07 : Auteur(s): Wood, B.A., ODriscoll, R.L., Hanchet, S.M.