Résultats de la recherche
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Report of the Workshop for the Analysis on the Anomalously High CPUE by Korean Vessels in the CCAMLR Area
CCAMLR Area, organized by the Ministry of Oceans and Fisheries of Korea with the assistance of the CCAMLR ...
Meeting Document : WG-SAM-13/39 : Auteur(s): Delegation of the Republic of Korea
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Changes in biomass of eight species of finfish around the South Orkney Islands (Subarea 48.2) from three bottom trawl surveys
, these three surveys are not considered here. Since Changes in biomass of fish around the South ... minutes, giving a total of seven observations for each haul. Supplementary data collected for each haul ... taken. All fish were separated into species and placed into individual species baskets. Organisms ... other than fish (benthos and other by-catch) were removed. Baskets were Jones et a1 Table 1 ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 53–74 : Auteur(s): Jones, C.D., K.-H. Kock and E. Balguerías
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ASSESSMENT MODELS FOR ANTARCTIC TOOTHFISH (DISSOSTICHUS MAWSONI) IN THE ROSS SEA FOR THE YEARS 1997–98 TO 2008–09
), using revised catch, catch-at-age, and tag-recapture data for the 2008–2009 season. The reference model ... using the selected trips tag data and the revised maturity ogive gave a similar, but slightly lower ... the 2007 base case assessment using New Zealand tag data only with the 2007 maturity ogive whilst the ... second use the selected trips data set with the 2007 maturity ogive. Overall, model fits to the data were ...
Meeting Document : WG-FSA-09/40 Rev. 1 : Auteur(s): A. Dunn and S.M. Hanchet (New Zealand)
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KPFM2, be careful what you ask for – you just might get it
Abstract: We have substantially revised the krill-predator-fishery model that was presented to ... thresholds in krill density that cause fishing to cease, and compute a performance measure that compares the ... management procedures that are candidates for allocating the precautionary krill catch among SSMUs. Author(s ...
Meeting Document : WG-EMM-06/22 : Auteur(s): G.M. Watters, J.T. Hinke (USA), K. Reid and S. Hill (United Kingdom)
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CHINSTRAP PENGUINS: MISUNDERSTOOD AND VULNERABLE MONITORS OF ECOSYSTEM CHANGES IN THE SCOTIA SEA REGION OF ANTARCTICA
increases and decreases in penguin abundance as a result of changes in abundance of Antarctic krill ... (Euphausia superba) in the SS region. Linking trends in penguin abundance with trends in krill biomass can ... “sea-ice hypothesis” predicts that chinstrap penguins will benefit from climate change, the “krill ...
Meeting Document : WG-EMM-09/17 : Auteur(s): W.Z. Trivelpice, J.T. Hinke, A.K. Miller, C. Reiss, S.G. Trivelpiece and G.M. Watters (USA)
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Can we use discriminant function analysis to sex penguins prior to calculating an index of a morphometric characteristic?
male and female characteristics. Combining all data for both sexes is considered as a procedure for ... Type I and Type II errors. Lack of knowledge about the sex ratio between years makes combining the data ... . Combining all data for both sexes is considered as a procedure for avoiding the necessity of sex ... knowledge about the sex ratio between years makes combining the data a very doubtful procedure and use of a ... * CCAMLR Data Manager, 25 Old Wharf, Hobart, Tasmania 7000, Australia 259 260 etre utilisee pour ... distributions as (i), if we combine the data from males and females will we still be able to detect changes in ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 259–272 : Auteur(s): Agnew, D.J.
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Fishery Report: Dissostichus eleginoides South Georgia (Subarea 48.3)
0.08 0.12 0.08 0.36 0.21 0.09 3.3 Mark–recapture data 12. In total, 25 842 fish have been tagged ... ......................................................................... 4 3. Parameters and available data.......................................................... 4 ... data ............................................................... 6 3.4 Biological parameters ... .................................................................... 8 Process error and data weighting ................................................... 9 ...
Document : Site Section: Publications
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Assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea for the years 1997–98 to 2010–11
88.2A–B), using revised catch, catch-at-age, and tag-recapture data for the 2010–2011 seasons. The 2011 ... reference model using the selected trips tag data gave a similar, but slightly higher estimate of initial ... increased number of vessels in selected data set and partly as a result of the 2010 and 2011 observations ... mortality from lost gear, and the second uses tag release and recapture data from all vessel trips. Overall ...
Meeting Document : WG-FSA-11/42 : Auteur(s): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)
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A descriptive analysis of the toothfish (Dissostichus spp.) tagging programme in the Ross Sea up to 2005/06
and 88.2 since 2001 is presented. The paper updates tag-release and tag-recapture data for fish that ... . Several large-scale movements have now been reported from the tagging data. Five fish tagged at McMurdo ... were both released and recaptured from New Zealand vessels. It also presents release and recapture data ... for non- New Zealand vessels for the first time. However, tag data were only available for all of ...
Meeting Document : WG-FSA-SAM-06/09 : Auteur(s): A. Dunn and S.M. Hanchet (New Zealand)
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Using acoustic echo counting to estimate grenadier abundance in the Ross Sea (SSRU88.1I)
acoustic data. Trials using data from SSRU 88.1I showed positive correlations between acoustic targets and ... relative abundance estimates for grenadiers from acoustic data collected opportunistically by New Zealand ... vessels in SSRU 88.1I. The next step will be to apply to these methods to a wider set of data across the ... Ross Sea region. Recommendation: We recommend that other nations routinely collect acoustic data in the ...
Meeting Document : WG-FSA-14/62 : Auteur(s): Y. Ladroit, R.L. O’Driscoll and S. Mormede (New Zealand)