Résultats de la recherche
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Recommendation for an explicit limit reference point for the mackerel icefish (Champsocephalus gunnari) fishery in CCAMLR Statistical Division 58.5.2
Abstract: Large fluctuations in abundance are a persistent feature of the populations of mackerel ... icefish (Champsocephalus gunnari) in the waters adjacent to Heard Island and the McDonald Islands in ... icefish in Division 58.5.2 is set to zero if the stock is determined to be below 1000 tonnes, or the catch ... limit recommended by the decision rules is below 100 tonnes in the first year after a survey has been ...
Meeting Document : WG-FSA-11/34 : Auteur(s): Delegation of Australia
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DETECTION OF VULNERABLE MARINE ECOSYSTEMS IN THE SOUTHERN SCOTIA ARC (CCAMLR SUBAREAS 48.1 AND 48.2) THROUGH RESEARCH BOTTOM TRAWL SAMPLING AND UNDERWATER IMAGERY
Abstract: High densities of vulnerable marine ecosystem (VME) indicator taxa were encountered in ... Subareas 48.1 and 48.2). These areas, which have been proposed for inclusion in the CCAMLR VME registry ... were detected in most cases utilizing occurrence and abundance of VME indicator taxa in research bottom ... trawl samples, as well as by way of in situ observations with an underwater photographic/video imaging ...
Meeting Document : WG-EMM-09/32 : Auteur(s): S.J. Lockhart and C.D. Jones (USA)
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Practical options for developing feedback management for the krill fishery in Subarea 48.2
might facilitate the development of feedback management procedures for the krill fishery in Area 48. In ... reviewing the state of ecological knowledge for Subarea 48.2, we conclude that movement towards Stage 2 (in ... knowledge base, but that this will take time, especially in the context of climate change. We suggest that ... recent research initiatives will help provide new information; however, a fundamental step-change in ...
Meeting Document : WG-EMM-14/04 : Auteur(s): P. Trathan (United Kingdom), M. Santos (Argentina) and O.R. Godø (Norway)
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East Antarctica Planning Domain MPA Planning Reference Document #2: Draft MPA Report Part 2 - Descriptions of the proposed EARSMPA, the four highlighted MPAs and Activities in the Planning Domain
Planning Domain presented to WG-EMM in 2014 (WG-EMM-14/48). The draft MPA Report for the East Antarctica ... Planning Domain submitted to WG-EMM in 2014 was regarded as a suitable synthesis of papers previously ... updated following advice from Members of WG-EMM in 2014. This updated report is provided in three parts ... - Descriptions of the proposed EARSMPA, the four highlighted MPAs and Activities in the Planning Domain (WG-EMM ...
Meeting Document : SC-CAMLR-XXXIII/BG/39 : Auteur(s): Delegations of Australia and France
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Analysis of the krill fishery in Subarea 48.1 considering trawl fishing method used (2010–2016)
Abstract: An analysis of spatio-temporal variability of CPUE indices in the krill fishery in ... in the Bransfield strait, where the main fishery in Subarea 48.1 is concentrated The possibility of ... krill biomass in SSMU during the fishing season is discussed. Variability of monthly average ... standardized CPUE estimates in the Bransfield strait shows that despite intensive fishery the density of krill ...
Meeting Document : WG-EMM-17/27 : Auteur(s): S. Kasatkina S. and L. Boronina
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Towards an ecological risk assessment of krill fishing in East Antarctica (CCAMLR Divisions 58.4.1 and 58.4.2)
Abstract: With the recommencement of commercial krill (Euphausia superba) fishing in CCAMLR ... framework used in Area 48 to assess the risks involved in any redevelopment of a krill fishery and evaluate ... whether the current management procedure has a high likelihood of achieving CCAMLR’s objectives in this ... to allow the completion of a first risk assessment for the krill fishery in this region in the near ...
Meeting Document : WG-EMM-17/20 : Auteur(s): N. Kelly, M. Cox, L. Emmerson, S. Kawaguchi, B. Raymond, C. Southwell and D. Welsford
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Review of CCAMLR activities on monitoring marine debris in the Convention Area
impact on marine mammals and seabirds in the Convention Area has been reviewed. The CCAMLR Marine Debris ... items reached a peak in the period 1994-1996 at Bird Island and Signy Island, but declined after that ... . The number of debris items has increased at Bird Island in 2006 and Signy Island in 2007, but ... decreased at King George Island in 2007. The majority of items reported were packaging materials, fishing ...
Meeting Document : SC-CAMLR-XXVI/BG/10 : Auteur(s): Secretariat
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Preliminary assessment of long-term yield of Patagonian toothfish (Dissostichus eleginoides) for the Heard Island Plateau region (CCAMLR Division 58.5.2) based on a random stratified trawl survey in May 2004
Abstract: A survey of Patagonian toothfish, Dissostichus eleginoides,was undertaken in Division ... 58.5.2 in the vicinity of Heard Island in May 2004 to provide the information for an assessment of short ... -term annual yield in the 2004/2005 CCAMLR season. This paper provides a preliminary assessment of yield ... the surveys and ages included in the estimation of the recruitment series. Author(s): C.R. Davies, T ...
Meeting Document : WG-FSA-04/76 : Auteur(s): C.R. Davies, T. Lamb, A.J. Constable and R. Williams (Australia)
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Workshop Report – The Ross Sea: Science, Policy and the Public in a Pristine Marine Ecosystemt
% of the Southern Ocean, which is inconsequential, yet its attributes, as identified in this workshop ... par with those recognized in World Heritage Sites designated elsewhere (e.g., Galàpagos, African Rift ... Lakes, Lake Baikal); on the basis of projections made from current models in the IPCC array, it likely ... cryopelagic community of organisms; and it is the best studied stretch of high latitude ocean in the Southern ...
Meeting Document : WG-EMM-09/14 : Auteur(s): J. Weller and D.G. Ainley (USA)
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DEVELOPMENT OF SPATIALLY EXPLICIT AGE-STRUCTURED POPULATION DYNAMICS OPERATING MODELS FOR ANTARCTIC TOOTHFISH IN THE ROSS SEA
operating models for Antarctic toothfish in the Ross Sea. The operating models consider both a coarse-scale ... spatial distribution parameters as an aid in evaluating the operating models. The models are implemented ... in the generalised Bayesian population dynamics model, the Spatial Population Model (SPM). The SPM ... discrete time-step state-space model that represents a cohort-based population age structure in a spatially ...
Meeting Document : WG-SAM-09/18 : Auteur(s): A. Dunn, S. Rasmussen and S. Hanchet (New Zealand)