Résultats de la recherche
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Informative approaches to ageing Antarctic fishes
;physiological time'. In this regard otoliths and post-mitotic tissues may contain a large amount of ... biological and ecological information about a fish's age and past life history. In otoliths this ... possible to estimate the age of a large number of fish easily. Chemical analyses of stable isotopes and ... information. A thorough utilization of structural and chemical analyses; Antarctic fish otoliths may make it ...
Meeting Document : CCAMLR/86/FA/07 : Auteur(s): R.L. Radtke and K.T. Hill (USA)
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AMLR 2009/10 Field Season Report: objectives, accomplishments and conclusions
season of a long-term series of studies of the Antarctic Peninsula ecosystem. Hydrographic results ... area, forming a front along the shelf break north of the archipelago. During the 2009/10 U.S. AMLR ... low, indicating that a weak cohort was produced the previous year. The abundance of Salpa thompsoni ... Technical Memorandum, NOAA-TM-NMFS (in press)) Author(s): A. Van Cise (Editor) Title: AMLR 2009/10 Field ...
Meeting Document : WG-EMM-10/P12 : Auteur(s): A. Van Cise (Editor)
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Lessons from CCAMLR on the implementation of the ecosystem approach to managing fisheries
widely recognised as a leading international organisation in developing best-practice in the ecosystem ... approach to managing fisheries. CCAMLR provides a useful case study for examining the impediments to ... convention rather than having to make a transition from single-species management to an ecosystem approach ... species are not disproportionately affected as a result of spatial and/or temporal dependencies of ...
Meeting Document : WG-EMM-12/P06 : Auteur(s): A.J. Constable
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Progress report on the research longline fishery of Dissostichus spp. in Subarea 48.6 being jointly undertaken by Japan and South Africa: 2012/13
they caught a total of 162.8 tonnes of Dissostichus spp. out of the 200 tonne catch limit (Table 2 ... ). They have taken only 65.2 tonnes of Dissostichus spp. from the northern section to date. A total of 1 ... tagging rate of 5 fish per ton. A total of 213 D. eleginoides and 5 530 D. mawsoni) were measured. The ... vessel combined tag overlap statistic was in excess of 70% in all Research Blocks. A total of 13 ...
Meeting Document : WG-SAM-13/05 : Auteur(s): R. Leslie (South Africa), K. Taki, T. Ichii (Japan) and S. Somhlaba (South Africa)
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Draft MPA Report for the South Orkney Islands Southern Shelf (MPA Planning Domain 1, Subarea 48.2)
towards the conservation of biodiversity in Subarea 48.2, and to the development of a representative ... system of protected areas across the Convention Area. In 2013, a preliminary draft MPA Report was ... Report contains: a description of the region (including evidence used to designate the MPA); details of ... the MPA; requirements for new research and monitoring; a summary of activities undertaken within the ...
Meeting Document : WG-EMM-14/25 : Auteur(s): Delegation of the European Union
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Results of the first winter longline survey to the northern Ross Sea region to investigate toothfish reproductive life history
was successfully completed during June and July 2016. A total of 55 longlines sets were completed in ... aggregate earlier than females and that spawning begins in early July. There were a higher proportion of ... varied substantially among sets. Nineteen toothfish eggs were captured using a plankton net in the top ... of neutral buoyancy. We recommend that a survey be carried out from mid-July through August to ...
Meeting Document : WG-FSA-16/37 : Auteur(s): D. Stevens, D. Di Blasi and S. Parker
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Implementation and preliminary results from the synoptic krill survey in Area 48, 2019 conducted by the Chinese krill fishing vessel Fu Rong Hai
Abstract: As a contribution to the joint effort on the large-scale synoptic krill survey of Area ... February to 10 February 2019. A total distance of about 875 n. mile transect acoustic data was collected ... using a hull-mounted Simard EK60 echosounder (38, 70 and 120 kHz), and 10 planned stations were sampled ... for krill biology using a commercial midwater otter trawl. Acoustic data processing were carried out ...
Meeting Document : WG-EMM-2019/43 : Auteur(s): X. Wang, X. Zhao, B. Zou, G. Fan, X. Yu, J. Zhu, J. Zhang and Y. Ying
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Observation on the interactions between marine mammals and mid-water krill trawl
conducted visually with the aid of a SLR Camera and a Marine Binocular. Sea surface observation in Subarea ... either. Simultaneous observation of krill swarms detected by the echosounder revealed a linkage between ... -filled trawl at sea surface seems to be a foraging related phenomenon. Author(s): Y. Ying, G. Fan, X ...
Meeting Document : WG-FSA-2019/60 : Auteur(s): Y. Ying, G. Fan, X. Zhao, J. Zhang, X. Wang and J. Zhu
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Uncertainty in reported geographical distribution and weight of krill catches from Norwegian krill fishing vessels operating continuous fishing systems
potential errors in historical catch report data. As a response, the Norwegian delegation presented a list ... estimate variability in the conversion from krill holding tank volumes to krill biomass indicated that a ... features. A previous working document indicated that there have likely been additional delays between the ... measurements. We could then estimate a maximum residence time before the accumulated krill catch is recorded on ...
Meeting Document : WG-EMM-18/22 : Auteur(s): G. Skaret, T. Knutsen, F. Grebstad and O.A. Bergstad
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IMPROVEMENT OF KRILL FISHING NOTIFICATION ACCURACY THROUGH NOTIFICATION FEES
processing fees are necessary to maintain a level budget for the Commission without rising operational and ... the Dissostichus spp. fishery: “7.1.1.2 2.... develop a cost-recovery policy which would be applied to ... all commercial fishing operations...” At CCAMLR’s 2009 Annual Meeting, the SCIC considered a proposal ... to address cost recovery for processing krill fishing notifications. The Members considered a variety ...
Meeting Document : CCAMLR-XXIX/34 : Auteur(s): Delegation of the USA