Search results
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Developing high-resolution hydrodynamic models of the shelf regions around South Georgia and the South Orkney Islands
Abstract: Many of the key oceanographic and ecological processes that determine the structure and ... functioning of ecosystems in the regions around South Georgia and the South Orkney Islands operate over small ... scales of <10 km. This paper reports the initiation of a project to develop high-resolution ... hydrodynamic models that will be used to examine the detailed oceanography of the South Georgia and South ...
Meeting Document : WG-EMM-14/08 : Author(s): E.J. Murphy, E.F. Young, S.E. Thorpe, P.N. Trathan (United Kingdom) and O.R. Godø (Norway)
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Proposal to continue participation in the second year of the joint CCAMLR research survey to collect spatially stratified longline and bathymetric data in 88.2_A and 88.2_B in 2015/16
Abstract: Toothfish in SSRUs 882.A–B are currently managed as part of the Ross Sea region stock ... , but the stock structure and fish movement patterns are uncertain and more information is required for ... the management across all of the region. Recognising this requirement, the Scientific Committee ... endorsed two years of spatially stratified longline surveys in the northern region of SSRUs 88.2A–B (SC ...
Meeting Document : WG-SAM-15/41 : Author(s): Delegation of Norway
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Strengthening the joint work of the CEP and SC-CAMLR on climate change
Abstract: ASOC strongly supports the decision of ATCM XXXVIII to hold a second joint workshop ... between the CEP and SC-CAMLR on climate change. In this paper, we suggest some ways to ensure successful ... outcomes for the workshop, including: agreeing on a scientific baseline; compiling overviews of existing ... efforts; basing the joint work programme on the CEP’s Climate Change Response Work Programme; determining ...
Meeting Document : SC-CAMLR-XXXIV/BG/29 : Author(s): Submitted by ASOC
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A study on calibration for commercial echosounder using the bottom backscattering strength from a fishing vessel near the South Shetland Islands in Antarctic
fishing vessel to use it in estimating biomass of Antarctic krill (Euphausia superba). The method of ... calibration was to analyze the difference between the bottom backscattering strength of the commercial ... echosounder (i.e. ES70) and the scientific echosounder (i.e. EK60) at some transects designated by CCAMLR ... . 38kHz and 120kHz were used for the calibration, and krill swarm signals, obtained from multi frequencies ...
Meeting Document : WG-EMM-16/61 : Author(s): Delegation of the Republic of Korea
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The structure and spatial distribution of Antarctic krill aggregations from acoustic observation in the South Georgia area
significant distinctions in spatial distribution patterns of krill in the northwestern and the northeastern ... parts of South Georgia area. The boundary between two areas is located at about 37°30/ W. It is shown ... that in winter months in the northwestern part where foraging areas of dependent predators are located ... is non-attractive to fishery. The observed grounds with krill density exceeding the threshold value ...
Meeting Document : WG-EMM-04/66 Rev. 1 : Author(s): S.M. Kasatkina (Russia)
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Shedding new light on the life cycle of mackerel icefish in the Southern Ocean
Abstract: Mackerel icefish (Champsocephalus gunnari) has a widespread distribution in the ... Atlantic and Indian Ocean sectors of the low-Antarctic region. Biological characteristics differ ... considerably between populations in the southern Scotia Arc and those living further to the north. Fish living ... in the north mature one year earlier than in the south. They have a much shorter life span and die ...
Meeting Document : WG-EMM-03/4 : Author(s): K.-H. Kock (Germany) and I. Everson (United Kingdom)
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STANDING STOCK, SPATIAL DISTRIBUTION, AND BIOLOGICAL FEATURES OF DEMERSAL FINFISH FROM THE 2009 U.S. AMLR BOTTOM TRAWL SURVEY OF THE SOUTH ORKNEY ISLANDS (SUBAREA 48.2)
48.2) demersal finfish was completed during February-March, 2009 during the U.S. AMLR Program field ... season. Detailed information is presented for several of the most abundant demersal finfish species ... biomass within the 500 m isobath of South Orkney Islands. Spatial distribution of standardized finfish ... densities demonstrated substantial contrast across the shelf area, with most finfish biomass occurring on ...
Meeting Document : WG-FSA-09/19 : Author(s): C.D. Jones (USA) and K.-H. Kock (Germany)
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On the status of mesopelagic fish (myctophidae) in the Southern Ocean ecosystem
Abstract: Analysis and synthesis of results of Russian and foreign research into the trophic ... relationships of myctophids demonstrate that this group of mesopelagic fish plays a significant role in the ... community of marine organisms of the Southern Ocean. The trophic status of myctophids has been determined ... determines their high abundance and biomass. Thus, according to a preliminary estimate the yearly consumption ...
Meeting Document : WG-FSA-93/17 : Author(s): A.N. Kozlov (Russia)
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A PROPOSED MANAGEMENT PROCEDURE FOR THE TOOTHFISH (Dissostichus eleginoides) RESOURCE IN THE PRINCE EDWARD ISLANDS VICINITY
Pessimistic” and a “Pessimistic” current status for the toothfish resource in the Prince Edward Islands region ... are developed which take account of the different selectivities of past longline and pot fisheries ... recommendations for this resource. The MP uses two data sources: the recent trend in longline CPUE and the mean ... length of the catches made. A specific MP, with its associated control parameter values, is proposed for ...
Meeting Document : WG-SAM-08/11 : Author(s): A. Brandão and D.S. Butterworth (South Africa)
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Possible options for the future management of the Antarctic krill fishery in Subarea 48.2
Abstract: We review the state of ecological knowledge for Subarea 48.2 and suggest that the ... development of any new management approach based on ecological indicators is limited by the current level of ... relevant ecological information. We propose that there is therefore an urgent need to improve the ... ecological knowledge base, but identify that this will take time. We conclude that if the krill fishery in ...
Meeting Document : WG-EMM-16/18 : Author(s): P. Trathan, O.R. Godø and S. Hill