Résultats de la recherche
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Reassessment of important population parameters for Dissostichus eleginoides on the Heard Island Plateau (Division 58.5.2) based on time series of surveys and fishery data
Abstract: A large body of data and techniques are available for re-assessing the biological ... parameters and recruitment of Patagonian toothfish, Dissostichus eleginoides, in the Heard Island region. A ... a more accurate reassessment of the recruitment time series, which was likely to have been over ... , the overall analysis shows a promising way forward in understanding the dynamics of D. eleginoides in ...
Meeting Document : WG-FSA-01/73 : Auteur(s): A.J. Constable, R. Williams, T. Lamb, I.R. Ball and E. van Wijk (Australia)
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Revised proposal to continue the time series of research surveys to monitor abundance of Antarctic toothfish in the southern Ross Sea, 2016 and 2017
Abstract: A research proposal to continue the southern Ross Sea sub-adult toothfish survey for ... estimating the relative abundance of sub-adult (<110 cm TL) toothfish in the core strata (A, B, C) in ... SSRUs 88.1J and 88.1L so as to provide a time series of recruitment of toothfish. This is a continuation ... . A nominal catch limit of 40 tonnes is requested for each survey. It is envisaged that the results of ...
Meeting Document : WG-FSA-15/34 : Auteur(s): S.M. Hanchet, S.J. Parker, S. Mormede and R.J.C. Currey (New Zealand)
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CALIBRATION ERROR IN THE AMLR PLANKTON TIME SERIES
Abstract: Analysis of the time series of the volume of water filtered during tows using a 1.8 m ... Isaac-Kidd Midwater Trawl (IKMT) from 1992 to 2007 showed a marked decline (~35%) in the volume of water ... traced to a simple arithmetic error in the calculation of the mouth area of the net. Since 2000, the net ... flow constant. Thus, since 2000, the abundance of all zooplankton taxa have experienced a false ...
Meeting Document : WG-EMM-08/19 : Auteur(s): C. Reiss (USA)
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Extending the time series of catch-weighted length frequencies
from 1993/94 because of a mismatch in Flag State which presently occurs between the length and catch ... data. A new procedure was developed which can use the mismatched data. In addition, historic data from ... from the 2005/06 season will be added as soon as submitted. A comparison between the standard procedure ... an overlap of seasons. However there is a systematic difference in the overall number of fish ...
Meeting Document : WG-FSA-SAM-06/04 : Auteur(s): David Ramm & Lydia Millar
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Update to recruitment series for Patagonian toothfish in the Heard Island region
, consistent with the observations from 1999. A reanalysis of all survey data from the region has shown that ... . Surveys aimed at providing a time series of recruitments could focus on this area. However, if estimates ... will be required. Author(s): A. Constable, R. Williams, T. Lamb and E. van Wijk (Australia) Title ...
Meeting Document : WG-FSA-00/42 : Auteur(s): A. Constable, R. Williams, T. Lamb and E. van Wijk (Australia)
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Proposal to continue the time series of research surveys to monitor abundance of Antarctic toothfish in the southern Ross Sea, 2018–2022
Ross Sea (core strata). This is a continuation of the yearly time series of research surveys of these ... a wide range of data and samples from these areas (e.g. benthic invertebrates, stomach and tissue ... . A full review will be completed and presented to WG-SAM, WG-EMM, and WG-FSA in 2022. Author(s): S.M ... . Hanchet, K. Large, S.J. Parker, S. Mormede and A. Dunn Title: Proposal to continue the time series of ...
Meeting Document : WG-SAM-17/39 : Auteur(s): S.M. Hanchet, K. Large, S.J. Parker, S. Mormede and A. Dunn
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Proposal to continue the time series of research surveys to monitor abundance of Antarctic toothfish in the southern Ross Sea, 2018–2022
Ross Sea (core strata). This is a continuation of the yearly time series of research surveys of these ... a wide range of data and samples from these areas (e.g. benthic invertebrates, stomach and tissue ... . A full review will be completed and presented to WG-SAM, WG-EMM, and WG-FSA in 2022. This revised ... . Large, S.J. Parker, S. Mormede and A. Dunn Title: Proposal to continue the time series of research ...
Meeting Document : WG-FSA-18/41 : Auteur(s): S.M. Hanchet, K. Large, S.J. Parker, S. Mormede and A. Dunn
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Integrating CPUE with the GY model: examination of the effects of shortening the CPUE series and incorporating elements of uncertainty into the D. eleginoides assessment of Subarea 48.3
whether a shorter CPUE time-series would be preferable for use in its annual assessments. (WG-FSA-03/40 ... ) shows a more pronounced consequence of reducing the time series, such that the escapement level ... that truncation of the CPUE series could have a much greater effect on the final assessment, depending ...
Meeting Document : WG-FSA-03/96 : Auteur(s): I.R. Ball, S. Candy and A.J. Constable (Australia)
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The importance of standardising and validating new methods for CEMP to maintain the robustness of long-term time series
, non-disturbing monitoring within CEMP against a background of increasingly tight funding for long-term ... summarise aspects of recently published work on a number of new methods applied to Adélie penguins in East ...
Meeting Document : WG-EMM-15/44 : Auteur(s): C. Southwell and L. Emmerson (Australia)
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Register of non-CEMP time-series data
Abstract: The Secretariat was tasked with maintaining a register of the wide range of non-CEMP ...
Meeting Document : WG-EMM-04/9 : Auteur(s): Secretariat