Search results
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Evaluation of some processing techniques applied to acoustic recordings from two krill fishing vessels
data can be made. Procedures for data processing have not yet been addressed in detail within CCAMLR ... integration of only detected swarms for assessment of abundance, and the results are promising both for swarm ... been collected without one or more of the CCAMLR prescribed three frequencies for target identification ... : Approved Secretariat Workflow Status: Content Approved Delegation responsibility for releasing documents ...
Meeting Document : SG-ASAM-17/03 : Author(s): X. Wang, G. Skaret and O.R. Godø
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Use of biological data to inform bioregionalisation of the Southern Ocean
species-specific layers can then be used in bioregionalisation, for instance by classifying directly on ... biological data without the need for environmental proxies. We describe one method, called BRT (Boosted ... aggregate data layers for pelagic zooplankton using a circumpolar dataset collected by Continuous Plankton ... other available data that is appropriate for this method and is likely to be important for the CCAMLR ...
Meeting Document : WS-BSO-07/7 : Author(s): M. Pinkerton, B. Sharp and J. Leathwick (New Zealand)
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LIFE HISTORY BUFFERING IN ANTARCTIC MAMMALS AND BIRDS AGAINST CHANGING PATTERNS OF CLIMATE AND ENVIRONMENTAL VARIATION
Abstract: The consequences of warming for Antarctic long-lived organisms depend on their ability ... and Weddell seals, we found strong support for selection of life history traits that reduce ... against the effects of recent climate-driven habitat changes except for Antarctic fur seals, in the ... fur seal food supply, Antarctic krill. This has increased the fitness costs of breeding for females ...
Meeting Document : WG-EMM-08/P05 : Author(s): J. Forcada, P.N. Trathan and E.J. Murphy
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Preliminary analyses of data collected during experimental phases of the 1994/95 and 1995/96 Antarctic crab fishing seasons
crab movement and suggested that depletion estimators will not be appropriate tools for estimating ... . Four of the tagged crabs were recovered, and these crabs were at liberty for about 1 to 5 weeks. The ... and density were made for the area around Phase 2's third depletion square. The assumptions of ... the mark-recapture model were probably violated, but attempts were made to account for biased sampling ...
Meeting Document : WG-FSA-96/34 : Author(s): Watters, G.
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Marine ecosystem acoustics (MEA): quantifying processes in the sea at the spatio-temporal scales on which they occur
caused e.g. by fronts, eddies and ice. This creates a challenging dynamics for scientific sampling and ... and strategies is essential. This paper focuses on approaches for observing processes at the time ... -space scales at which they occur, which is essential for some of the management challenges of CCAMLR ... , for example the FBM. Sustainable management of fisheries resources requires quantitative knowledge ...
Meeting Document : WG-EMM-15/P01 : Author(s): O.R. Godø, N.O. Handegard, H.I. Browman, G.J. Macaulay, S. Kaartvedt, J. Giske, E. Ona, G. Huse and E. Johnsen
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Using krill length data from fishery-dependent and fishery-independent data sources to measure changes in the Antarctic krill population structure in the Bransfield Strait
were analysed for trends in population structure. Krill length data collected by the Scheme of ... structure consistent with previous studies, and may provide a more appropriate source for measuring shifts ... dynamics for use in fisheries management. Author(s): CCAMLR Secretariat Title: Using krill length data ... Secretariat Workflow Status: Content Approved Document Release Consent: No Delegation responsibility for ...
Meeting Document : WG-EMM-2019/76 : Author(s): CCAMLR Secretariat
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Chinese
Slide 1 小心处理所有的废弃物 不要将塑料废弃物遗留在甲板上 将塑料打包带剪切成30 ...
Document : Site Section: Publications
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Indonesian
-tali pengikat menjadi potongan-potongan kecil sepanjang 30 cm Anjing-anjing laut yang terjerat dalam ...
Document : Site Section: Publications
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Different CPUE types in Soviet krill fishery statistics in 1977–1992
and primary data for their calculations were considered. The main CPUE indices were catch per fishing ... day (CFD), catch per extended fishing day (CEFD) and catch per hour (CH). The primary data for all the ... fishery: human consumption, krill meal and frozen krill. When considered separately for different ... hours. The higher requirements for the final product quality, the shorter haul duration and so the ...
Meeting Document : WG-EMM-03/35 : Author(s): F.F. Litvinov, A.Z. Sundakov and V. Arkhipov (Russia)
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Results of scientific observation in Antarctic krill fishery in 2010/11: I. state of observer deployment and data collection
, the coverage of krill biological sampling for hauls and the number of krill sampled for biological ... vessels since there was confusion on the sampling and recording protocol for fish by-catch. Given the ... clearer guidance for observers. Author(s): M. Kiyota and T. Okuda (Japan) Title: Results of scientific ...
Meeting Document : WG-EMM-12/65 : Author(s): M. Kiyota and T. Okuda (Japan)