Search results
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WG-FSA-SAM-06
growth model for Division 58.5.2 fitted to length-at-age data and a comparison of predicted with observed ... -FSA-SAM-06/13 Review of some assumptions for modelling Patagonian toothfish dynamics at CCAMLR Subarea ... survey data and length-at-age models in the assessment of Dissostichus eleginoides in the vicinity of ... Title WG-FSA-SAM-06/01 Provisional Agenda for the 2006 Meeting of the WG-FSA Subgroup on Assessment ...
Meeting
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A review of national observer training and education programs (Scheme of International Scientific Observation)
Abstract: At CCAMLR-XXV, the Scientific Committee noted that the implementation of the observer ... increase their attendance at the meetings of WG-FSA and WG-IMAF. Author(s): Secretariat Title: A review ... program and the application of observer requirements could be improved by adopting a standard approach to ... education and training for observers in these fisheries (SC-CAMLR-XXV, paragraph 2.11). A review of current ...
Meeting Document : SC-CAMLR-XXVI/BG/09 Rev. 1 : Author(s): Secretariat
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Penguin foraging behavior in relation to the distribution of prey
migration pattern, being dispersed in the upper portion of the water column at night and more concentrated ... Abstract: The diving behavior of 7 chinstrap penguins (Pygoscelis antarctica) (N=12,171 dives ... ) was measured concurrently with a hydroacoustic assessment of the vertical distribution and abundance ... of their primary prey, krill (Euphausia superba) in the vicinity of Seal Island, South Shetland ...
Meeting Document : WG-KRILL-93/47 : Author(s): D.A. Croll, R.P. Hewitt, D.A. Demer and J.K. Jansen (USA)
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Assessment and tag program adaption methods for exploratory fisheries in the CAMLR Convention Area: an example application for Division 58.4.3a
initial stock assessment and adaption of catch limits and tagging rates is presented for new and ... catch-at-length/age data and tagging data at-length/age. A simple algorithm, based upon the Petersen ... tagging levels that will produce an expected abundance estimate in the following year of a given precision ... whilst ensuring the sustainable exploitation of the stock as per the CCAMLR management procedure. The ... using the relevant tag mortality parameter. The shedding rate, TS, is a function of the time-at ... in Seber (1982). For a given number of tag-releases, the CV in abundance is at a maximum at zero ... observed number of tags would be very close to being fished-out, at least for certain param- eter draws ... chance at all in obtaining a reli- able estimate of r from the data alone. Normally, the r parameter is ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 101–113 : Author(s): Hillary, R.M
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Distribution, demography and discard mortality of crabs caught as by-catch in an experimental pot fishery for toothfish in the South Atlantic
Abstract: Between March 2000 and April 2001 two commercial fishing vessels undertook trials at ... South Georgia of a method of fishing for toothfish (Dissostichus eleginoides) using pots. A significant ... bycatch of lithodid crabs (three species of Paralomis spp.) was encountered. Paralomis spinosissima ... were also noted in depth distribution of the sexes and the size of crabs. Depth, soak time and area ...
Meeting Document : WG-FSA-01/32 : Author(s): M.G. Purves (South Africa), D.J. Agnew, G. Moreno, C. Yau and G. Pilling (United Kingdom)
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Foraging interactions of wandering albatrosses Diomedea exulans breeding on Marion Island with longline fisheries in the southern Indian Ocean
-line fishing. During small chick-rearing, birds made shorter foraging trips and showed higher spatial ... . During small chick-rearing, birds made shorter foraging trips and showed higher spatial overlap ...
Meeting Document : WG-FSA-01/10 : Author(s): D.C. Nel, P.G. Ryan, J.L. Nel, N.T.W. Klages (South Africa), R.P. Wilson (Germany) and G. Robertson (Australia)
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Research plan for toothfish in Division 58.4.4b by Shinsei maru No. 3 in 2014/15
), respectively. The stock sizes of D. eleginoides in block D is estimated at 840 tonnes only by using CPUE method ... Abstract: In this document, we revise stock status assessments of D. eleginoides in research ... recommended at the last WG-FSA meeting, although the survey for the current season has not been conducted yet ... survey design and sample size of 60 tonnes in order to further strengthen the stock assessments in the ...
Meeting Document : WG-SAM-14/14 : Author(s): Delegation of Japan
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Review of activities in monitoring marine debris in the CAMLR Convention Area
originated in 2002 there have been no closed bands found at any of the three sites. The amount of debris in ... colonies of grey-headed albatrosses, wandering albatrosses and black-browed albatrosses at Bird Island ... -fishing items such as plastics, packaging materials and wood remain the most common type of debris items ... decreased significantly since 2011, with the major category of items found being plastics. The amount of ...
Meeting Document : WG-FSA-12/64 : Author(s): Secretariat
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WG-FSA-99
Variation in standing stock of the mackerel icefish Champsocephalus gunnari at South Georgia I. Everson, G ... -FSA-99/74 Problems with estimation of size at maturity of Dissostichus mawsoni in Subarea 88.1 G ... Provisional Agenda and Annotation to the Provisional Agenda for the 1999 Meeting of the Working Group on Fish ... Stock Assessment (WG-FSA) WG-FSA-99/10 Summary of observations aboard longline vessels operating in the ...
Meeting
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Demersal longlines with integrated weight: a preliminary assessment of sink rates, fish catch success and operational effects
at 0.3 m/s to 15 m depth. Sink rates can be achieved by adding external weights to lines or by using ... lines with weigh integrated into the rope fibres. The sink rates to 15 m depth of 9 mm demersal ... 0.353 m/s, respectively. The longline with externally attached weights sank at 0.32 m/s. IW longlines ... . Catch rates of ling varied with line weight but results are indeterminant due to the small sample sizes ...
Meeting Document : WG-FSA-02/22 : Author(s): G. Robertson (Australia), M. McNeill, B. King (New Zealand) and R. Kristensen (Norway)