Search results
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Comparison of age readings by two otolith preparation techniques and readers
estimated by different readers and using different methods. Both “break and burn” and “bake and embed ... ” techniques were used to prepare otoliths and each were read by an experienced reader from each program. The ... in interpretation of otolith banding patterns. Results suggest broad agreement in ages determined by ... comparisons before merging data. Bake and embed preparations were consistently interpreted by both readers ...
Meeting Document : WG-FSA-14/53 : Author(s): S.J. Parker (New Zealand), A.F. Petrov (Russia), C.P. Sutton (New Zealand) and E.N. Kuznetsova (Russia)
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Revised joint research proposal for Dissostichus spp. in Subarea 88.3 by Korea and New Zealand
Abstract: A research plan for this subarea was commenced by Korea in 2016 and a revised ... collaborative proposal was submitted to WG-FSA-17 by Korea and New Zealand. This joint research proposal was for ... previous research by continuing to focus on those research blocks where tagged fish have previously been ... catch redistribution mechanism and to incorporate a milestone table as recommended by WG-SAM-18. Author ...
Meeting Document : WG-FSA-18/42 : Author(s): Delegations of the Republic of Korea and New Zealand
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Habituation to an acoustic harassment device (AHD) by killer whales depredating demersal longlines
fisheries that suffer significant losses caused by odontocete depredation. However, the efficacy of AHDs to ... was subjected to heavy depredation by killer whales. This species usually depredates longlines within ... expected this distance to increase in response to the acoustic disturbance created by the AHD. The ... resource made available by longliners. In addition to raising significant conservation concerns, this rapid ...
Meeting Document : WG-FSA-14/P04 : Author(s): P. Tixier, N. Gasco, G. Duhamel and C. Guinet
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Joint research proposal for Dissostichus spp. in Subarea 88.3 by the Republic of Korea and New Zealand
survey by Chile in 1999. Since then there have been research surveys by New Zealand (2005), Russia (2011 ... (Parker et al. 2014). A 3-year research plan for this subarea was commenced by Korea in 2016 and new ... proposals to carry out research fishing in this subarea were submitted to WG-SAM-17 by New Zealand and ... Korea’s previous research by continuing to focus on those research blocks where tagged fish have ...
Meeting Document : WG-FSA-17/40 : Author(s): Delegations of the Republic of Korea and New Zealand
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Preliminary estimation of ray by-catch in the longline fishery in Subarea 48.3
estimated total capture (ray numbers) for some of vessels fishing in Subarea 48.3 in 2001 by utilising new ... information collected by observers on the rays appearing during their tally period. This estimate is entirely ... composition and mean weight data we have extended the number estimate to give capture weight by species ... by-catch in the longline fishery in Subarea 48.3 Approval: Approved ...
Meeting Document : WG-FSA-02/55 : Author(s): D.J. Agnew, J. Pearce and M. Endicott (United Kingdom)
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ACTION PLAN AIMED AT REDUCING SEABIRD BY-CATCH IN THE FRENCH EEZs IN STATISTICAL DIVISION 58.5.1 AND SUBAREA 58.6
Abstract: France's action plan aims to reduce considerably seabird by-catch by longliners ... measures which have been implemented since 2002 to limit seabird by-catch. This action plan is submitted in ... ): Delegation of France Title: ACTION PLAN AIMED AT REDUCING SEABIRD BY-CATCH IN THE FRENCH EEZs IN STATISTICAL ...
Meeting Document : SC-CAMLR-XXVII/08 : Author(s): Delegation of France
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Modelling the impact of fishery by-catches on albatross populations
shown marked declines in abundance throughout their range. These seabirds are frequently taken as by ... tuna longline fisheries south of 30 S, to model estimated by-catch levels and other population ... population), can be explained by the tuna longline by-catch. They further indicate that populations may be ... level of by-catch for these long-lived populations suggest great caution in any application of such ...
Meeting Document : WG-FSA-01/18 : Author(s): G. Tuck, T. Polacheck (Australia), J.P. Croxall (UK) and H. Weimerskirch (France)
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Preliminary trials to test mitigation measures aimed at reducing Macrourus spp. by-catch on autoliners targeting D. eleginoides with longlines in the CCAMLR Convention Area
Abstract: Pilot studies were carried out in 48.3 in 2006 and in 88.1 and 88.2 in 2007 by the ... Argos Helena, testing 14/0 circle hooks and mackerel bait against hooks and bait routinely used by the ... similar effects on the catch rates of Dissostchus spp. and of all other by-catch species combined. However ... be endorsed by the industry, further mitigation research is required to determine a gear ...
Meeting Document : WG-FSA-07/33 : Author(s): R.E. Mitchell, D.J. Agnew, T. Carruthers, J. Clark, L. Ross (United Kingdom) and J. van Heerden (South Africa)
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Distribution of Antarctic krill concentrations exploited by Japanese krill trawlers and minke whates
sectors. In early summer (December) the areas of operation for both fisheries were affected by the ... more southerly positioned pack-ice edge. Whaling was also undertaken in the embayments created by the ... hydrographic fronts. These frontal features, by accompanying convergence or by coupling with krill specific ... concentrations exploited by Japanese krill trawlers and minke whates Approval: Approved ...
Meeting Document : SC-CAMLR-VIII/BG/31 : Author(s): Delegation of Japan
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Revised selectivities for Dissostichus eleginoides taken by longliners in Subarea 48.3
selectivity curves for toothfish taken by longliners around South Georgia and Shag Rocks over the period 1995 ... – 1999. This method was applied by WG-FSA-01, with minor amendments, to estimate annual age-specific ... . This removes some of the ad hoc nature of the former estimation method. The method is illustrated by ... for Dissostichus eleginoides taken by longliners in Subarea 48.3 Approval: Approved ...
Meeting Document : WG-FSA-02/64 : Author(s): G.P. Kirkwood (United Kingdom)