Résultats de la recherche
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SUMMARY OF SCIENTIFIC OBSERVATIONS RELATED TO CONSERVATION MEASURES 24-02 (2008), 25-02 (2009), 25-03 (2009) AND 26-01 (2009)
) has been conducted in Subareas 48.1, 48.2, 48.3 and 58.7. These data are reviewed by WG-IMAF and ... therefore only a brief summary of the most recent year’s data are provided here. (This is essentially a ... placeholder for this item in order that the Scientific Committee can be made aware of any anomalous data in ...
Meeting Document : WG-FSA-10/08 : Auteur(s): Secretariat
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Standardised CPUE analysis of Antarctic toothfish (Dissostichus mawsoni) fishery in the Ross Sea for the years 1997/98 to 2004/05
of data from the 2005 season for the Ross Sea (Subarea 88.1 and SSRUs 88.2 A–B) using data sets based ... model, in which data were modelled using the methods described by Candy (2003) The variables included in ...
Meeting Document : WG-FSA-05/32 : Auteur(s): A. Dunn and N.L. Phillips (New Zealand)
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Descriptive analysis of the Antarctic toothfish (Dissostichus mawsoni) tagging scheme in the Ross Sea for the years 1997/98 to 2003/04
since 2001 is presented for the first time. Tag-release and tag-recapture data are presented for both ... toothfish species for Subareas 88.1 and 88.2 for New Zealand vessels only. This is because data from non-New ... New Zealand data set has been about 200 km. However, most (80%) Antarctic toothfish have moved less ... than 50 km. Consequently, nearly all fish have been recaptured from the same SSRU where they were ...
Meeting Document : WG-FSA-SAM-05/10 : Auteur(s): A. Dunn, S.M. Hanchet and K. Maxwell (New Zealand)
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Precautionary measures for a new fishery on Martialia hyadesi (Cephalopoda, Ommastrephidae) in the Scotia Sea: an ecological approach
reliable data are from seabirds because comprehensive sampling can be carried out during the breeding ... 245,000 tonnes compared with an upper estimate of 550,000 tonnes if less reliable data are included. M ... chick rearing season. Preliminary data from a squid jigger undertaking research fishing around South ...
Meeting Document : WG-FSA-96/20 : Auteur(s): Rodhouse, P.G.
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Further development of a spatially explicit population dynamics operating model for Antarctic toothfish in the Ross Sea region
-structured model that categorised fish as immature, mature, pre-spawning, spawning, or post-spawning ... spawning (based on GSI data), CPUE, and tag-release and tag-recapture observations. Estimates of parameters ... younger fish were found predominantly in southern areas of the Ross Sea shelf, mature fish on the slope ... and spawning fish in the northern areas of the Ross Sea region. Fits to the observations were ...
Meeting Document : WG-SAM-13/35 : Auteur(s): S. Mormede, A. Dunn, S. Parker and S. Hanchet (New Zealand)
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The relative by-catches of taxa associated with vulnerable marine ecosystems by autolines and Spanish longlines
Abstract: We reanalyzed data collected by the longline fishery in Subarea 88.1 to compare the ... longlines. Since we only analyzed data from areas where there was substantial spatial overlap of sets made ... greater than Spanish bycatch at all depths represented in our data. Limiting the use of Autolines, which ...
Meeting Document : WG-FSA-13/41 : Auteur(s): T. Gerrodette and G.M. Watters (USA)
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Descriptive analysis of the toothfish (Dissostichus spp.) tagging programme in Subareas 88.1 & 88.2 for the years 2000–01 to 2012–13
Subareas 88.1 and 88.2, including summaries of data for the 2013 season. Overall, a total of 37 047 ... tagging rate of one toothfish per tonne of catch in the Ross Sea region. Tag recapture data showed that ... most fish are recorded as being recaptured only a short distance from their point of release, typically ... are suspected of being poor tag links based on growth rates and ancillary linking data). Three ...
Meeting Document : WG-FSA-13/49 : Auteur(s): S. Parker, A. Dunn, S. Mormede and S. Hanchet (New Zealand)
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Demersal finfish distribution, abundance and their biological characteristics in Statistical Subareas 48.1 (northern part) and 48.2 (2018–2020)
study the distribution, abundance and biological characteristics of Antarctic demersal fish communities ... , 2009). This will provide valuable information that will allow a comparison with the data collected by ... these two previous surveys. With the data obtained in each Subarea, size composition, density and ... standing stock biomass of fish resources will be determined using the delta-lognormal maximum likelihood ...
Meeting Document : WG-SAM-17/18 : Auteur(s): Delegation of Chile
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New Zealand’s exploratory fishery for toothfish within the SPRFMO Convention Area: update and future directions
caught, that these were mostly male (~85%), and that most fish were in spawning condition or spent. These ... Sea region. Over the coming months, New Zealand will screen video footage and analyse all data ... value of future data collection for both organisations’ understanding of the distribution, dynamics and ... data required to enable the development of a spatially-explicit integrated stock assessment model of ...
Meeting Document : SC-CAMLR-XXXVI/BG/18 : Auteur(s): M. Cryer, A. Dunn and J. Fenaughty
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Demersal finfish distribution, abundance and their biological characteristics in Statistical Subareas 48.1 (northern part) and 48.2 (2018–2020)
study the distribution, abundance and biological characteristics of Antarctic demersal fish communities ... , 2009). This will provide valuable information that will allow a comparison with the data collected by ... these two previous surveys. With the data obtained in each Subarea, size composition, density and ... standing stock biomass of fish resources will be determined using the delta-lognormal maximum likelihood ...
Meeting Document : WG-FSA-17/28 : Auteur(s): Delegation of Chile