Resultados de la búsqueda
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IDENTIFYING PATTERNS IN DIET OF MACKEREL ICEFISH (CHAMPSOCEPHALUS GUNNARI) AT SOUTH GEORGIA USING BOOTSTRAPPED CONFIDENCE INTERVALS OF A DIETARY INDEX
was dominated by krill, Euphausia superba and by the amphipod Themisto gaudichaudii. Smaller (younger ... -2004) the proportion of krill in the diet, stomach fullness and fish condition (indicated by length ... -weight relationships) were significantly lower than in the other summer seasons. The poor krill season ... was followed by a large reduction (> 80%) in the estimated annual biomass of C. gunnari the ...
Meeting Document : WG-FSA-08/29 : Autor(es): C.E. Main, M.A. Collins, R. Mitchell and M. Belchier (UK)
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Interactions between cetaceans and long-lining operations for Patagonian toothfish Dissostichus eleginoides around South Georgia
interactions occured during hauling operations, both during the day and at night. Killer whales (Orcinus orca ... operations and may have been removing fish captured on the lines. Numbers of sperm whales varied with ... location; some whales with identifying masks were observed over successive lines to the south-west of South ... Georgia, but were not seen on subsequent operations to the north-west of the island. On two occasions ...
Meeting Document : WG-IMALF-94/16 : Autor(es): J.R. Ashford (United Kingdom) and P.S. Rubilar (Chile)
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Aggregation patterns of pelagic predators and their principal prey, Antarctic krill, near South Georgia
Abstract: 1. We examine the spatial distributions of pelagic seabirds and. fur seals near South ... Georgia, and asked to what extent the distributions of these predators were influenced by the spatial ... is an explicit consideration of the separation in space between swarms of krill and aggregations of ... survey of the waters surrounding Bird Island, South. Georgia. Predator abundance was estimated visually ...
Meeting Document : WG-CEMP-93/13 : Autor(es): R.R. Veit (USA), E.D. Silverman (USA) and I. Everson (United Kingdom)
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Spatial variation in Antarctic toothfish (Dissostichus mawsoni) catch rate, mean weight, maturity stage and sex ratio across Divisions 58.4.1, 58.4.2 and 58.4.3b
management advice in these Divisions is understanding the distribution, abundance and boundaries of the ... target stock. WG-FSA-16/29 outlined the first multi-member toothfish exploratory fishery research plan ... , including research objectives, methods and milestones. Within this plan, milestones 1.5 and 2.1 involve the ... reports on the development of generalised additive mixed models to characterise relationships between ...
Meeting Document : WG-FSA-17/16 : Autor(es): P. Yates, P. Ziegler, P. Burch, D. Maschette, D. Welsford and S. Wotherspoon
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PROPOSED AMENDMENTS TO CONSERVATION MEASURE 51-01 (2008) PRECAUTIONARY CATCH LIMITATIONS ON EUPHAUSIA SUPERBA IN STATISTICAL SUBAREAS 48.1, 48.2, 48.3 AND 48.4
Abstract: Due to current uncertainties in the status of Antarctic krill biomass stock, which do ... not allow scientists to provide a work on forecast of the ecosystem changes and provide the management ... advice on SSMU catch limit allocation subdivision, that has been mentioned at the WG on Ecosystem ... Monitoring and Management Meeting, Bergen 2009, it is proposed to consider the changes to Conservation ...
Meeting Document : CCAMLR-XXVIII/48 : Autor(es): Delegation of Ukraine
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Discrimination Between Larval and Juvenile Specimens of Euphausia superba from Gut Contents
Abstract: Based on the change in the allometric relations between the antennular spine and body ... length in the passage from Furcilia VI to juvenile in Euphausia superba lineal discriminant functions ... resulted highly correlated (R=0.95); allowing the use of the method when body length is not available ...
Meeting Document : WG-CEMP-89/17 : Autor(es): E. Marschoff and M. Ravaglia (Argentina)
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Review of skate (Rajiformes) by-catch in CCAMLR toothfish fisheries
Abstract: Available data on the by-catch of Rajiformes was extracted from the CCAMLR database ... spatial ranges for some species. The data collected as part of CCAMLR fisheries represents a very ... substantial repository of information on Southern Ocean Rajiformes; realising the full potential of this data ... will require a review of the consistency and accuracy of identification of taxa and this might be a ...
Meeting Document : WG-FSA-14/12 : Autor(es): Secretariat
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Enmiendas a la Medida de Conservación 51-06 (2014) Medida general para la observación científica en las pesquerías de Euphausia superba
comprehensive system of Feedback management of krill fishery and to provide work on forecast of the ecosystem ... changes that has been discussed at the Bologna 2016 Meeting of the WG-EMM. To improve that situation ... Ukraine suggests the changes to CCAMLR Conservation Measure 51-06(2014) in order to make the scientific ... observation system in the krill fishery mandatory. Author(s): Delegation of Ukraine Title: Amendments to ...
Meeting Document : CCAMLR-XXXV/31 : Autor(es): Delegation of Ukraine
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Report to CCAMLR by Oceanites, Inc.
Abstract: The core effort of Oceanites and its Antarctic Site Inventory project is discerning how ... information on the history of Oceanites and the Antarctic Site Inventory, links to key scientific papers and ... driving long-term changes in the western Antarctic Peninsula ecosystem. This paper provides background ... other publications, results from the most recently concluded 2015-16 field season, plans for the ...
Meeting Document : CCAMLR-XXXV/BG/16 : Autor(es): Submitted by Oceanites, Inc.
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A representative system of CCAMLR MPAs: Current proposals and beyond
Abstract: This document examines the progress made to date in the establishment of a ... representative system of Marine Protected Areas (MPAs) in the CCAMLR Convention Area, looking at the wider ... different concerns, it should focus on its conservation mandate, and realise the objective of establishing a ... representative system of MPAs in the CAMLR Convention Area. Author(s): Submitted by ASOC Title: A ...
Meeting Document : CCAMLR-XXXV/BG/26 : Autor(es): Submitted by ASOC