Résultats de la recherche
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EXPLORING THE ROBUSTNESS OF THE CURRENT TOOTHFISH SPP. HARVEST CONTROL RULES AND POTENTIAL EXPLOITATION RATE-BASED ALTERNATIVES
Abstract: In this paper a simple biomass dynamic population model is used as a paradigm for the ... dynamics of toothfish spp. in the CCAMLR area. This model underpins a management strategy evaluation ... framework where the process of stock assessment, TAC calculation and implementation and potential changes in ... future toothfish productivity (continuous and regime-based) are all simulated. The robustness of the ...
Meeting Document : WG-SAM-09/14 : Auteur(s): R. Hillary (United Kingdom)
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Albatross mortality and associated bait loss in the Japanese longline fishery in the Southern Ocean
Abstract: A conservative calculation of the number of albatrosses killed annually on Japanese ... longlines in southern oceans is 44, 000. The actual figure could be double and is sufficiently high to ... . Albatrosses have an economic impact on longline fisheries with annual losses to the southern bluefin tuna ... fishery alone exceeding $A7 million. If all fish species and the total longlining effort were considered ...
Meeting Document : CCAMLR-IX/BG/17 : Auteur(s): Delegation of Australia
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The composition and origin of marine debris stranded on the shores of subantarctic Macquarie Island
Abstract: The coastline of subantarctic Macquarie Island (54° 35’S, 158° 55’E) was surveyed over ... densities on open beaches of the west coast of the island. Overall density of marine debris was less than ... those reported for islands in the South Atlantic Ocean and the Indian Ocean, or from the coast of Alaska ... . Author(s): D.J. Slip and H.R. Burton (Australia) Title: The composition and origin of marine debris ...
Meeting Document : CCAMLR-VIII/BG/10 : Auteur(s): D.J. Slip and H.R. Burton (Australia)
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Analysis and modelling of the Soviet Southern Ocean krill fleet, II: Estimating the number of concentrations and analytical justification for search data
used to estimate the number of Concentrations of krill (in the sense of Butterworth (1988), Mangel ... (1988)) in a given region of the southern ocean. Sample computations are performed, using data collected ... by Soviet research/survey vessels in the early 1980s. These examples highlight the need for a ... Africa) Title: Analysis and modelling of the Soviet Southern Ocean krill fleet, II: Estimating the ...
Meeting Document : WS-KCPUE-89/06 : Auteur(s): M. Mangel (South Africa)
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New contributions to penguin monitoring to help underpin the development of feedback management approaches for the Antarctic krill fishery
Abstract: In this paper we provide a brief summary of new plans for the study of penguin ... populations and associated population processes over the coming years. We envisage that our studies will ... penguin survival, demography and phenology. We describe the range of new methodologies that we will ... . These studies will inform our understanding of krill-eating penguins and have relevance to the ...
Meeting Document : WG-EMM-13/11 : Auteur(s): N. Ratcliffe, A. Fox, P. Fretwell, T. Hart and P. Trathan (United Kingdom)
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Background for evaluation of the suitability of the software suite Large Scale Survey System (LSSS) for inspection and processing of acoustic data from krill fishing vessels
Abstract: The coordinated collection of acoustic data from the krill fishing fleet will ... this. This document provides some background for evaluating the capacity of the software suite Large ... example data from the krill fishing vessel ’Juvel’ it is here demonstrated that LSSS has flexible and ... efficient data loading, pre-processing and database functionality. The well-documented Simrad standard ’.raw ...
Meeting Document : SG-ASAM-14/02 Rev. 1 : Auteur(s): G. Skaret and R.J. Korneliussen (Norway)
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On accidental catch of Champsocephalus gunnari while fishing of the Antarctic krill off the South Orkney Islands (Subarea 48.2) in 2013
Abstract: During the Antarctic krill fishing in the area off the North-Western slope of the South ... : On accidental catch of Champsocephalus gunnari while fishing of the Antarctic krill off the South ...
Meeting Document : WG-FSA-13/18 : Auteur(s): L. Pshenichnov
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REPORT FROM THE WS: INTEGRATED KRILL MONITORING IN THE CCAMLR AREA 48.2
Abstract: Following the Norwegian-Chinese krill project (NorChiK) undertaken in Area 48.2 a work ... shop was arranged at the Institute of marine Research (IMR), Bergen during 6-7.04.2011 to investigate ... the basis for integrated investigations and evaluation of krill resources in the areas 48.2. Title ... : REPORT FROM THE WS: INTEGRATED KRILL MONITORING IN THE CCAMLR AREA 48.2 Approval: Approved ...
Meeting Document : WG-EMM-11/04 Rev. 1
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The survivorship of rays discarded from the South Georgia longline fishery
throughout the months of May and June, during 2003 toothfish fishing season in Subarea 48.3. From these ... results we can conclude that depth has a significant influence on the mortality of skate, with a predicted ... our sampling was restricted. Our findings support the suggestion of cutting ray from the line before ... this experiment can also be used to calculate the expected skate mortality within the fishery, based on ...
Meeting Document : WG-FSA-03/57 : Auteur(s): M. Endicott and D.J. Agnew (United Kingdom)
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A first attempt at an assessment of the Patagonian toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands EEZ
Abstract: The history of the fishery for Patagonian toothfish in the Prince Edward Islands EEZ is ... trend. Application of a simple age-structured production model provides robust indication that the ... suggest that the annual TAC should be reduced to at most about 400 tonnes. Implications for surveillance ... ) Title: A first attempt at an assessment of the Patagonian toothfish (Dissostichus eleginoides) resource ...
Meeting Document : WG-FSA-01/54 : Auteur(s): A. Brandão, B.P. Watkins, D.S. Butterworth and D.G.M. Miller (South Africa)