Résultats de la recherche
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An illustrative management procedure for exploring dynamic feedback in krill catch limit allocations among small-scale management units
average krill catches per SSMU associated with each MP. The key assumption made here is that data will be ... purposes, it is assumed that two main sources of data will be available for use in a MP: (1) indices of ... which simulates the “true” dynamics of the resource with tests across a wide range of scenarios for the ... here have a feedback structure, and hence are able to react and self-correct. It is important, as with ...
Meeting Document : WG-EMM-06/28 : Auteur(s): É. Plagányi and D. Butterworth (South Africa)
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Day 4 - Session 2 - Fisheries Trade Data Analysis - Markus Bürgener
mass to be able to compare with landing data and the more processing that takes place, the harder this ... : 030378 • While the system specifies that only the first six digits will be internationally standardized ... monitoring activities. • Builds relationships with other State agencies that can assist with different set ... heavily processed products. Export volumes need to be worked back (with conversion ratios) to a whole ...
Document : Site Section: Compliance
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ANTARCTIC KRILL AND CLIMATE CHANGE
. In particular, it was concluded that current precautionary management measures need to be maintained ... Abstract: During April 2011, a multi-national group of scientists with expertise on Antarctic ... ocean warming, sea ice loss, and ocean acidification. It was concluded that the cumulative impact of ... climate change on krill is probably negative. To be able to account for climate change-induced ...
Meeting Document : WG-EMM-11/16 : Auteur(s): H. Flores (Netherlands), A.S. Atkinson (UK), E. Bravo Rebolledo (Netherlands), V. Cirelli (Argentina), J. Cuzin-Roudy (France), S. Fielding (UK), J.A. van Franeker (Netherlands), J.J. Groeneveld (Netherlands), M. Haraldsson (Sweden), S. Kawaguchi (Australia), B.A. Krafft (Norway), A. Lombana (USA), E. Marschoff (Argentina), B. Meyer (Germany), G. Milinevsky (Ukraine), S. Nicol (Australia), E.A. Pakhomov (Canada), A.P. Van de Putte (Belgium), C. Reiss (USA), E. Rombolá (Argentina), K. Schmidt (UK
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Reporting and communicating of longline sink rates
compliant with these longline weighting protocols CM 24-02 (2005), Australia recommends that the Secretariat ... . It is recommended that this text be included in all applicable conservation measures (ie CM 41-06 and ... complied with. For the purpose of determining whether licensed operators within the CCAMLR Area are ... vessels which fish outside the prescribed season. This will allow, among other things, for patrols to be ...
Meeting Document : CCAMLR-XXVI/27 : Auteur(s): Delegation of Australia
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DEFINING TAG RATES AND TACS TO OBTAIN SUITABLY PRECISE ABUNDANCE ESTIMATES FOR NEW AND EXPLORATORY FISHERIES IN THE CCAMLR CONVENTION AREA
catches (TACs) that would be expected to yield a pre-specified precision in a resultant abundance estimate ... . With respect to the tagging-based abundance estimator, we use the Lincoln-Petersen method and derive a ... formula that gives the expected coefficient of variation of the abundance estimate in terms of the number ... of releases and recaptures, which can in turn be expressed in terms of the tagging rate per tonne ...
Meeting Document : WG-SAM-08/06 : Auteur(s): R.M. Hillary (UK)
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SUMMARY OF SCIENTIFIC OBSERVATIONS IN THE CAMLR CONVENTION AREA FOR 2009/10 SEASON
cruises were conducted within the CAMLR Convention Area during 2009/10, with scientific observers ... undertaken in Subareas 88.1 and 88.2 by 12 vessels. 3. Throughout this paper the data reported are those that ... chrysostoma) and a Southern black-browed albatross (T. melanophrys). Two Cape petrels (Daption capense ...
Meeting Document : WG-FSA-10/05 : Auteur(s): Secretariat
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SEABIRD: DRAFT USER MANUAL V1.00-2008/06/18
breeders or non-breeders). Interactions with fisheries can be modelled and the user can choose the sequence ... that allows a great deal of flexibility in specifying the population dynamics, parameter estimation ... modelled population in the way that best suits the available data. Depending on these data the user may ... stage (e.g., immature or mature), sex, or behaviour (e.g., in any year mature birds may be classified as ...
Meeting Document : WG-SAM-08/P03 : Auteur(s): D. Fu and R.I.C.C. Francis (New Zealand)
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The orderly development of the krill fishery
recommends that: o Krill stock surveys be undertaken in areas with no precautionary catch limits in order to ... be subject to port inspections by amending CM 10-03 so that it applies to the krill fishery. o ... -03 so that more rigorous assessment of notifications of intent to fish for krill can be achieved ... in Statistical Division 58.4.2 Australia noted that while the scientific data supported an increase ...
Meeting Document : CCAMLR-XXVI/30 : Auteur(s): Delegation of Australia
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ENVIRONMENTAL FORCING AND SOUTHERN OCEAN MARINE PREDATOR POPULATIONS: EFFECTS OF CLIMATE CHANGE AND VARIABILITY
relationships are congruent with mid-trophic-level processes that are also correlated with environmental ... major environmental perturbations. Climate change is likely to be regional and may be expressed in ... various ways, including alterations to climate and weather patterns across a variety of time-scales that ... that biological responses to shorter-term sub-decadal climate variability signals are potentially the ...
Meeting Document : WG-EMM-08/P06 : Auteur(s): P.N. Trathan, J. Forcada and E.J. Murphy
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Stability of trip selections for the assessment of Antarctic toothfish in the Ross Sea
were used to define a range for various data quality metrics considered to be informative with respect ... period indicate that additional, historical trips may be added to the data set as new tagging data become ... datasets were selected comprising trips with high (above median) rates of recovery of previously released ... to tagging data. Other trips with data quality metric values within these ranges were added to the ...
Meeting Document : WG-FSA-10/26 : Auteur(s): D.A.J. Middleton (New Zealand)