Search results
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A spatial multi-species operating model of the Antarctic Peninsula krill fishery and its impacts on land-breeding
Abstract: An updated version of the Spatial Multi-species Operating Model (SMOM) of krill ... advice regarding the subdivision of the precautionary catch limit for krill among 15 small-scale ... management units (SSMUs) in the Scotia Sea, to reduce the potential impact of fishing on land-based predators ... . SMOM has been revised from the original version presented in Plagányi and Butterworth (2006a) in three ...
Meeting Document : WG-SAM-07/12 : Author(s): É.E. Plagányi and D.S. Butterworth (South Africa)
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By-catch analysis as a part of progress report for the research fishery of Dissostichus spp. in Subarea 48.6 by Japan and South Africa during 2012/13–2016/17
Abstract: This paper reports the preliminary results of by-catch analysis as a part of progress ... report for the research fishery of Dissostichus spp. in Subarea 48.6 by Japan and South Africa during ... 2012/13–2016/17. We have used data set provided by CCAMLR secretariat on 10 th May, 2017. Although the ... by-catch occurred in most longline research operations, the number of by-catch individuals was less ...
Meeting Document : WG-SAM-17/44 : Author(s): T. Okuda, S. Somhlaba and T. Ichii
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TROPHIC OVERLAP OF WEDDELL SEALS (LEPTONYCHOTES WEDDELLI) AND ANTARCTIC TOOTHFISH (DISSOSTICHUS MAWSONI) IN THE ROSS SEA, ANTARCTICA
Abstract: We present information to investigate the significance of Antarctic toothfish as a prey ... item for Weddell seals in the Ross Sea. • We summarise the life history of Weddell seals to provide an ... overview of their use of the Ross Sea. As consumption of prey by Weddell seals (both the amount and type of ... prey) will vary between different life history stages at different times of the year in different areas ...
Meeting Document : WG-EMM-08/43 : Author(s): M.H. Pinkerton, A. Dunn and S.M. Hanchet (New Zealand)
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Distribution, biological characteristic and biomass of icefish from the results of inventory trawling survey carried out by STM-8390 Atlantida in January–March 2002
Abstract: Results of the inventory trawling survey of icefish carried out by Russian vessel STM ... -8390 Atlantida in February 2002 in Subarea 48.3 are presented. During this period, the fish were mainly ... foraging. Champsocephalus gunnary 22-28 cm in length at the age of 2-3 predominated on all grounds of the ... Subarea, except the north-eastern part. During the survey, specimens 15 cm in length at the age of 2 ...
Meeting Document : WG-FSA-02/79 : Author(s): Zh.A. Frolkina and P.S. Gasiukov (Russia)
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Proposal for a Resolution on Standardised Procedure to Establish CCAMLR MPAs in accordance with the Conservation Measure 91-04
proposals is necessary and essential to streamline and facilitate examinations. On the basis of the ... discussions at the last Commission meeting, Japan is planning to propose a resolution “Standardized Procedure ... to Establish CCAMLR MPAs in accordance with the Conservation Measure 91-04”, hoping to contribute to ... constructive discussions thereon at the Commission meeting in 2014, in order for CCAMLR’s efficient and ...
Meeting Document : WG-EMM-14/32 : Author(s): Delegation of Japan
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Estimating unaccounted fishing mortality in the Ross Sea and 88.2C–G bottom longline fisheries targeting Antarctic toothfish
Abstract: Stock assessments rely upon estimates of the total mortality resulting from fishing ... activities. The level of mortality resulting from the loss of sections of bottom longline gear in the Ross ... its management objectives relating to human impacts on the Antarctic environment. We provide a method ... to estimate unaccounted fishing mortality from lost lines in the Ross Sea region and Subarea 88.2 ...
Meeting Document : WG-FSA-11/48 : Author(s): D.N. Webber and S.J. Parker (New Zealand)
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REPORT ON THE ABANDONED GILLNET RETRIEVAL OPERATION CONDUCTED BY AUSTRALIA IN CCAMLR STATISTICAL DIVISION 58.4.3B (BANZARE BANK)
gillnets as a fishing method to target toothfish in the Convention area. Estimating the impact of IUU ... fishing is hampered by a lack of data on the design, deployment, catch and bycatch rates of gill nets ... (Statistical Division 58.4.3b), and the toothfish and bycatch found when a section of the gillnet was retrieved ... . Based on the amount of toothfish found in the 8 km long section of net retrieved, upwards of 29 tonnes ...
Meeting Document : TASO-09/10 : Author(s): Snowdon, D., Hamill, J., McEachan, F., Welsford, D.
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Annual report of research fishing operations at Division 58.4.4b in the 2017/18 fishing season
Abstract: This paper represents the annual report of a multi-member longline survey on Patagonian ... toothfish (Dissostichus eleginoides) at Division 58.4.4b in the 2017/18 fishing season by France and Japan ... . eleginoides in 58.4.4b_2. The data set, C2 and Observer data, was provided by the CCAMLR Secretariat on the ... 3th August, 2018. In this paper, the data set during current fishing season (2017/18) was used for ...
Meeting Document : WG-FSA-18/67 : Author(s): Delegations of Japan and France
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An ecosystem-based approach to management: using individual behaviour to predict the indirect effects of Antarctic krill fisheries on penguin foraging
many species within the Antarctic. Despite extensive knowledge of the ecosystem that they occupy, there ... is still incomplete understanding of the links between species and the effect of environmental ... understand the interactions between penguins and krill to determine the indirect effect of krill fisheries on ... is predicted to reduce penguin food intake. Given the documented links between krill and penguins ...
Meeting Document : WG-EMM-03/34 : Author(s): S.H. Alonzo, P.V. Switzer and M. Mangel (USA)
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Genetic population structure of the mackerel icefish, Champsocephalus gunnari, in Antarctic waters
Abstract: Genetic population structure of the mackerel icefish, Champsocephalus gunnari, in ... Georgia (N = 267; January/February 1991) and the South Orkneys (N = 44; January/February 1991) and ... polymorphic at the 0.95 criterion: glutamate oxaloacetate transaminase, GOT-I 2.6.1.1; α- glycerophosphate ... 1.15.1.1). Routine scoring of 358 fish at the 16 loci revealed below average levels of genetic variability ...
Meeting Document : WG-FSA-91/22 : Author(s): G.R. Carvalho and M. Warren (United Kingdom)