Résultats de la recherche
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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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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.
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Application of continuous time Markov chains to modelling animal movement: estimation of movement rates and retention times for Patagonian toothfish
Abstract: The study of animal movement and distribution has been a central focus in ecology since ... the inception of the science. However, continuous-time, discrete state models have received relatively ... accuracy of estimates arising from this model using simulated data with known movement rates. Finally, we ... apply the model to estimate the equilibrium distribution of Patagonian toothfish in the region around ...
Meeting Document : WG-FSA-SAM-06/16 : Auteur(s): C. Wilcox, M. Bravington and D. Peel (Australia)
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Estimation of toothfish distribution and population size in Subarea 88.3 by results of research longline fishing in 2011–2012
set at a depth from 625 to 2336 m. Total number of set hooks amounted 171096. In 2011 research fishing ... . Collected from research fishing data contributes to the achievement of the main objectives of research- make ... estimation of toothfish quantity, as well as expand the knowledge about toothfish`s and by-catch species ... V.V. Akishin (Russia) Title: Estimation of toothfish distribution and population size in Subarea 88.3 ...
Meeting Document : WG-SAM-12/20 : Auteur(s): V.A. Tatarnikov, I.G. Istomin and V.V. Akishin (Russia)