Resultados de la búsqueda
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Methodological aspects of the International Synoptic Krill Survey in Area 48, 2019
survey and the 2019 synoptic survey were considered. These were 1) the effect of acoustic surveying at ... Abstract: The effect of differences in the methodology used for the CCAMLR 2000 krill acoustic ... effect of krill discrimination method. Surveying during the day only produced a 6% increase in the ... distributions. The choice of krill discrimination method had a marked effect on the per-stratum biomass ...
Meeting Document : SG-ASAM-2019/10 : Autor(es): G. Macaulay, G. Skaret, T. Knutsen and B. Krafft
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Interannual variation to the gonad cycle of the mackerel icefish
sampling the commercial fishery. Spawning appears to occur at the same time each year, but the timing of ... maturation cycle is also closely tracked to the time of year. The gonad maturation cycle of the mackerel ... gonadal development is subject to a considerable inter-annual variation. The implications of this ... . Kock (Germany) and J. Ellison (United Kingdom) Title: Interannual variation to the gonad cycle of the ...
Meeting Document : WG-EMM-00/45 : Autor(es): I. Everson (United Kingdom), K.-H. Kock (Germany) and J. Ellison (United Kingdom)
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Report on recent French catches of sea pens (Pennatulacea) in Lena Bank (CCAMLR sector 58.4.4b)
Abstract: Important catches of sea pens (Pennatulacea, NTW) in the 58.4.4b sector (Lena bank ... ) have been reported during the CCAMLR SAM Working Group 2018 (see WG-SAM-18/31 "Annual report of ... research fishing operations at Division 58.4.4b in 2016/17 fishing season" by Japanese and French ... delegations). Detail of French catches, with abundances and weights are provided here (Tab.1). Data and ...
Meeting Document : WG-FSA-18/23 : Autor(es): A. Martin, J. Blettery and M. Eléaume
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Annual migrations of pelagic fish stocks into a krill hotspot
frequency response may be similar to that of krill at the commonly used frequencies of 38 and 120 kHz ... Abstract: We report here on the existence of seasonal fish migrations into a krill hotspot ... from krill on a single frequency. Trawl catches in the area during 2019 gave high densities of mackerel ... . Author(s): T. Klevjer Title: Annual migrations of pelagic fish stocks into a krill hotspot Approval ...
Meeting Document : WG-EMM-2019/33 : Autor(es): T. Klevjer
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Summary of incidental mortality associated with fishing activities collected in scientific observer and vessel data during the 2019 season
seal morality event which occurred at the end of the 2018 season. Incidental mortality numbers for ... Abstract: This paper summarises data collected by Scheme of International Scientific Observation ... observers and vessels, of incidental interactions between fishing vessels, seabirds and marine mammals ... number of birds killed is 103. Author(s): CCAMLR Secretariat Title: Summary of incidental mortality ...
Meeting Document : WG-FSA-2019/16 Rev. 2 : Autor(es): CCAMLR Secretariat
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Patterns in the diet of mackerel icefish (Champsocephalus gunnari) on the South Georgia and Shag Rocks shelf (CCAMLR Subarea 48.3)
Abstract: The diet of the mackerel icefish was investigated from stomach contents analysis of ... fish caught in research trawls at South Georgia and Shag Rocks in January 2004. The results are ... ), the pelagic amphipod (Themisto gaudichaudi) and mysids. The diet differed between the age classes of ... Kingdom) Title: Patterns in the diet of mackerel icefish (Champsocephalus gunnari) on the South Georgia ...
Meeting Document : WG-FSA-04/44 : Autor(es): M.A. Collins, R. Mitchell, G. Tarling and M. Belchier (United Kingdom)
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Options for allocating the precautionary catch limit of krill among small-scale management units in the Scotia Sea
precautionary catch limit of krill for Area 48 into the small-scale management units (SSMU) adopted at CCAMLR ... Abstract: With the intent of stimulating discussion, we present four options for subdividing the ... each SSMU; the second is proportional to the estimated standing stock of krill in each SSMU; and the ... allocating the precautionary catch limit of krill among small-scale management units in the Scotia Sea ...
Meeting Document : WG-EMM-03/36 : Autor(es): R.P. Hewitt, G. Watters (USA) and P.N. Trathan (United Kingdom)
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CPUEs and body length of Antarctic krill during the 1999/2000 season in Area 48
. Trawling positions, CPUEs and body length of Antarctic krill during the period is described. The krill ... observer undertaken at the same time, and they resulted in good agreements. The discussion was extended to ... the possibility of intra-annual variability of two krill stocks (Antarctic Peninsula and Weddell Sea ... stocks). Author(s): S. Kawaguchi and M. Naganobu (Japan) Title: CPUEs and body length of Antarctic ...
Meeting Document : WG-EMM-01/36 : Autor(es): S. Kawaguchi and M. Naganobu (Japan)
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Towards an ecosystem status assessment for South Georgia ‘Variability of Southern Ocean Ecosystems’ Project Team
Abstract: We present the beginnings of a compilation of a suite of physical and biological ... oceanographic data, and concomitant data on abundance and condition of some key zooplankton species and ... vertebrate higher predator species, collected at sea off South Georgia and from Bird Island between 1996 and ... 1999. We plan to use these data, some of which arise from the British Antarctic Survey's Core ...
Meeting Document : WG-EMM-00/61
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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
that will conduct the second year of research and summarises the research plan, previously agreed at ... Abstract: Toothfish in SSRUs 882.A–B are currently managed as part of the Ross Sea region stock ... 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 : Autor(es): Delegation of Norway