Search results
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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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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)
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Experience with seabird by-catch limits in a trial of longline fishing in the Macquarie Island toothfish fishery
Abstract: The Australian Fisheries Management Authority (AFMA) recently granted a permit for a ... fishing vessels. The seabird bycatch mitigation measures adopted for the trial included a ban on offal ... of species with a different limit for each group. The groupings reflected the varying conservation ... longline fishing was to cease for the remainder of the season. Author(s): T. Hewitt and I. Hay (Australia ...
Meeting Document : WG-FSA-07/19 : Author(s): T. Hewitt and I. Hay (Australia)
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Assessment of mackerel icefish Champsocephalus gunnari in CCAMLR Statistical Subarea 48.3 based on the 2015 demersal fish survey
tonnes) within Statistical Subarea 48.3. Projections for the 2015/16 and 2016/17 seasons applying the ... CCAMLR harvest control rule lead to catch limits (TAC) of 3,461 tonnes for 2015/16 and 2,074 tonnes for ...
Meeting Document : WG-FSA-15/25 : Author(s): T. Earl and C. Darby (United Kingdom)
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Preliminary analysis of seabird by-catch using CCAMLR observer data
as environmental variables such as time of day, time of year. Out of 3283 longline sets analysed only 311 caught ... significant were time of year (very few birds caught after April) and use of streamer lines but the effects ... as environmental variables such as time of day, time of year. Out of 3283 longline sets analysed only 311 caught ... significant were time of year (very few birds caught after April) and use of streamer lines but the effects ...
Meeting Document : WG-FSA-99/28 : Author(s): D.J. Agnew and J.P. Croxall (United Kingdom)
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Modelling functional relationships between predators and prey
Georgia. In addition, year-specific data for a) black-browed albatross breeding population size ... Georgia. In addition, year-specific data for a) black-browed albatross breeding population size ...
Meeting Document : WG-Joint-94/05 : Author(s): J.P. Croxall, I.L. Boyd and P.A. Prince (United Kingdom)