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Preliminary analyses of data collected during experimental phases of the 1994/95 and 1995/96 Antarctic crab fishing seasons
Abstract: Data collected from the FN American Champion during Phases 1 and 2 of the experimental ... fit to CPUE and cumulative catch data from the Phase 2 depletion experiments did not have significant ... the mark-recapture data were on the order of 50,000-100,000 crabs/n. mi2, and there was a lot of ... 2. Author(s): Watters, G. Title: Preliminary analyses of data collected during experimental phases ...
Meeting Document : WG-FSA-96/34 : Auteur(s): Watters, G.
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Stratification of catch-at-length data using tree based regression: an example using Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea
Abstract: This paper presents a new approach to the stratification of catch-at-length data of ... frequency data. The median lengths were weighted within the regression by the inverse of the variance ... regions, consisting of shallow inshore regions where predominantly smaller fish were found, to deeper ... offshore regions where only larger fish were found. The paper presents the new estimates of Antarctic ...
Meeting Document : WG-FSA-SAM-05/8 : Auteur(s): N.L. Phillips, A. Dunn and S.M. Hanchet (New Zealand)
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An updated assessment of the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity and extension taking commercial catch-at-length data into account
Brandão et al. (2001) is updated to take account of further catch and effort data that have become ... the assessment model be refined to provide a consistent explanation of all the available data, as this ... extension taking commercial catch-at-length data into account Approval: Approved ...
Meeting Document : WG-FSA-02/76 : Auteur(s): A. Brandão, D.S. Butterworth, B.P. Watkins and L. Staverees (South Africa)
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Using tag-recapture data to estimate catchability of a series of random stratified trawl surveys
estimates calculated from the tag-recaptures data on the main trawl ground. Here, we use simulations to ... fishing selectivity cannot be corrected for given the available data. In the absence of an unbiased ... ): W. de la Mare, P. Ziegler and D. Welsford (Australia) Title: Using tag-recapture data to estimate ...
Meeting Document : WG-SAM-15/34 : Auteur(s): W. de la Mare, P. Ziegler and D. Welsford (Australia)
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Some data on Antarctic toothfish Dissostichus mawsoni reproduction in the Ross Sea (Subarea 88.1) in the period from December 2002 to March 2003
Abstract: On the grounds of data analysis collected by one of the authors – Prutko V.G. in ... oocytes in Antarctic fish ovaries should be measured and calculated, in addition to histological ... and presence of “exhausted” individuals are noted. On the basis of the proceeded data and analysis of ... and L.A. Lisovenko (Ukraine) Title: Some data on Antarctic toothfish Dissostichus mawsoni ...
Meeting Document : WG-FSA-03/49 : Auteur(s): V.G. Prutko and L.A. Lisovenko (Ukraine)
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Summary of data collected by Japan and South Africa in Subarea 48.6 between 2013 and 2015, and other statistics available for assessment of Dissostichus spp. in Subarea 48.6.
data collected over the past three years be prepared for WG-FSA-15. As the fishery related information ... biological data that has been collected. We also report on the otoliths from the Subarea that have been read ... : Summary of data collected by Japan and South Africa in Subarea 48.6 between 2013 and 2015, and other ...
Meeting Document : WG-FSA-15/66 : Auteur(s): R.W. Leslie (South Africa), K. Taki, T. Ichii (Japan) and S. Somhlaba (South Africa)
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Estimating fishing gear selectivity for trawlers using length-frequency data from concurrent commercial trawl and longline fishing for Patagonian toothfish in Division 58.5.2 and the ratio of their hazard functions
quadratic function in length. This function was calibrated using random length frequency (LF) data collected ... assuming that, for the upper range of lengths, fish are fully selected by longliners but not by trawlers ... by a technique used to model grouped survival data. The hazard function relates to the event of a ... fish falling in a particular length bin, analagous to a death in a given time interval in survival ...
Meeting Document : WG-FSA-06/35 : Auteur(s): S.G. Candy (Australia)
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Data on reproduction biology of Dissostichus mawsoni from the Ross Sea (Statistical Subarea 88.1)
Abstract: Macroscopic data of the field research obtained during fishing trips on board Spanish ... about significant extension of Antarctic toothfish spawning period. According to our data, the maturity ... % of fish with mature gonads. Thus, 95 % of females with mature gonads were noted at length of 120-123 ... (Russia) Title: Data on reproduction biology of Dissostichus mawsoni from the Ross Sea (Statistical ...
Meeting Document : WG-FSA-11/04 : Auteur(s): A.K. Zaytsev (Russia)
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Seamount-specific biomass estimates from SSRU 88.2H in the Amundsen Sea derived from mark-recapture data
Abstract: Mark-recapture data for Antarctic toothfish from individual seamount features in SSRU ... calculated for SSRU 88.2H as a whole. The analyses indicate that: Fish seldom move among seamounts within the ... in recapture rates of annual cohorts of tagged fish through time in SSRU 88.2H indicates a decrease ... in the percentage of the population tagged due to the annual immigration of untagged fish, along with ...
Meeting Document : WG-FSA-14/58 : Auteur(s): S.J. Parker and S. Mormede (New Zealand)
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RECONSTRUCTION OF SIZE AND WEIGHT COMPOSITION OF ANT-ARCTIC TOOTHFISH (DISSOSTICHUS MAWSONI) FROM THE DATA ON PROCESSED COMMERCIAL CATCHES OF LONGLINERS USING CONVERSION FACTOR
mawsoni) from the data on processed commercial catches of longliners using conversion factor Author(s): I ... -ARCTIC TOOTHFISH (DISSOSTICHUS MAWSONI) FROM THE DATA ON PROCESSED COMMERCIAL CATCHES OF LONGLINERS USING ...
Meeting Document : WG-SAM-08/09 : Auteur(s): I. Istomin, K. Shust and V. Tatarnikov (Russia)