Resultados de la búsqueda
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Towards the development of a management plan for mackerel icefish (Champsocephalus gunnari) in Subarea 48.3
mortality rates. These may be associated with increased consumption of C. gunnari by Antarctic fur seals in ... probability that C. gunnari populations will be depleted even in the absence of fishing, which, given the ... modifications to the decision rules are discussed. It is concluded that while the GYM can be used to estimate a ... large factor (assumed here to be 4), declining to normal levels again when krill return. This paper ... rates. These may be associated with increased consumption of C. gunnari by Antarctic fur seals in years ... significant probability that C. gunnari populations will be depleted even in the absence of fishing, which ... modifications to the decision rules are discussed. It is concluded that while the GYM can be used to estimate a ... suggested that marked declines in stock biomass in some years were unlikely to be the result of commercial ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 63–77 : Autor(es): Agnew, D.J., I. Everson, G.P. Kirkwood and G.B. Parkes
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AND DOMESTIC SUBANTARCTIC FISHERIES BY THE AUSTRALIAN ANTARCTIC DIVISION AND THE AUSTRALIAN FISHERIES MANAGEMENT AUTHORITY
. Australia considers the use of such a performance management system to be essential in ensuring that high ... quality data continues to be collected by SISO. Author(s): O’Regan, K., Welsford, D., Robertson, T., Lamb ... the Australian Fisheries Management Authority (AFMA), with technical and data management support from ... increase in sophistication, the tasks required to be completed by observers are increasing in number and ...
Meeting Document : TASO-08/05 : Autor(es): O’Regan, K., Welsford, D., Robertson, T., Lamb, T.
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Analysis of changes in biomass of fish stocks in the South Georgia area in 1976/77-1986/87
biomass density of C. gunnari stock. High biomass density appeared with 2-4 year intervals after ... depth zone, separately in each statistical subdivision. This means that in comparison with our ... et al. 1985, Annex 1) showed that such an estimate may be 2.5-3 times higher than a biomass ... is stable and it seems unlikely that catches should be limited. What is worth doing is improving ... the biomass density of C. ~ari stock. High biomass aensity appeared with ~year intervals after ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 185-211 : Autor(es): Mucha, M. and W. Ślósarczyk
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IDENTIFICATION OF DATA QUALITY METRICS FOR TAGGING DATA SELECTION
to identify those metrics that are most informative with respect to the identification of good ... bootstrap analysis indicates that the range of data quality metrics associated with known good tagging data ... quality metrics may be most powerful in distinguishing the trips considered to have good tagging data ... Benford039;s Law, and the variation in toothfish catch rates.This reduced set of data quality metrics ...
Meeting Document : WG-SAM-09/19 : Autor(es): D.A.J. Middleton and A. Dunn (New Zealand)
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WG-FSA-01
interactions with longline fishing in the AFZ: seabird mortality estimates and 1988–1999 trends T. Reid, N ... , 8 October 2001 to Friday, 19 October 2001 Submissions Due: Monday, 24 September 2001 Meeting ... documents Doc Number Title WG-FSA-01/1 Provisional and Annotated Provisional Agenda for the 2001 Meeting of ... albatrosses Diomedea exulans breeding on Marion Island with longline fisheries in the southern Indian Ocean ...
Meeting
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e-sc-xxxi-a07.pdf
... only be evaluated with data on surveillance effort (rather than just sighting reports from that ... reporting (CM 23-01) be removed from these fisheries. The Working Group agreed that http://www.ccamlr.org ... conjunction with at least one support vessel. 3.14 The Working Group noted that estimates of IUU catches are ... . 3.17 The Working Group noted that it may be possible to undertake a spatial risk assessment, similar
application/pdf attached to:WG-FSA-12
Meeting Report : WG-FSA-12
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Day 1 - Session 2 - Progress in Africa since 2010 - Per Erik Bergh
: Port State Measures may be the central pillar in a low cost MCS system. Must be combined with ... fishing links to other “crime” such as hygiene, human rights, drugs, safety and piracy. Economic ... , 2011. Economic impact from Illegal Fishing in 2011 European Union estimates that up to 20 ... and more focused civil society and NGO’s • Arrested in April 2008 in Mozambique with 43 tonnes ...
Document : Site Section: Compliance
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Scientific Abstracts 2006
groups. It is published only in English. Publication of an abstract does not imply in any way that the ... Science or elsewhere, which are listed as ‘submitted’ or ‘in press’ with details of the publisher, if ... respective CCAMLR bodies at meetings of which these papers were submitted. Each abstract is preceded with a ... be cited without written permission of the author(s). Addresses of principal authors are given for ... and was designed so that the results would be compatible with the 1996 BROKE (Baseline Research on ... flexible framework with functionality that the user can opt to use, should the user be able to provide ... Conservation Union, with the support of the Federal Public Service, Public Health, Food Chain Security and ... extraction, and most conservation measures, including with respect to closed areas, must be reviewed and ...
Document : Site Section: Publications
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Movement and growth of tagged toothfish around South Georgia and Shag Rocks (Subarea 48.3)
toothfish pot vessel in international waters at that latitude in 2001. Author(s): T.R. Marlow, D.J. Agnew ... CCAMLR observer trips. Of these, about 900 have also been injected with either Strontium Chloride or ... and 2001, and have been at liberty from one to two years. Four fish were tagged and recaptured from ... groundfish surveys may not yet be large enough to be available to the longline fishery and there have been no ...
Meeting Document : WG-FSA-02/28 : Autor(es): T.R. Marlow, D.J. Agnew and I. Everson (United Kingdom)
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e-sc-38-a4.pdf
... indication that harvest rates of 4–6% would be consistent with achieving 127 this target. The ... some of the data was unusual, and that the age estimates may need to be verified and checked. Dr T ... -specification, and hence may not be precautionary. The Working Group recalled that likelihood profiles ... that the current CASAL model uses a constant M over time and age, and further work would be required
application/pdf attached to:WG-SAM-2019
Meeting Report : WG-SAM-2019