Résultats de la recherche
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Approaches to data collection and analysis for detecting and quantifying functional overlap at the scale of the individual vessell
, and b) how krill acoustic surveys and transects could also be used to provide data for wider ecosystem ... required answering, to ensure data collection requirements were robustly designed. This paper, therefore ... , considers what types of scientific questions can be answered with the two approaches to data collection and ... the development of a robustly designed data collection programme. Author(s): M. Söffker and N. Gasco ...
Meeting Document : WG-EMM-18/33 : Auteur(s): M. Söffker and N. Gasco
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plotImage – software for producing augmented image plots of spatially referenced data
spatially referenced data. While developed to satisfy the specific requirements of WG-FSA, the routines have ... been developed to be as generic as possible and may be useful for displaying a wide range of data. This ... Working Groups for the display of spatially referenced data. Author(s): J.P. McKinlay (Australia) Title ... : plotImage – software for producing augmented image plots of spatially referenced data Approval: Approved ...
Meeting Document : WG-SAM-10/22 : Auteur(s): J.P. McKinlay (Australia)
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Scientific background document in support of the development of a CCAMLR MPA in the Weddell Sea (Antarctica) – Version 2015 - Part B: Description of available spatial data
-XXXIV/BG/16 (Part B) informs on the data retrieval process and SC-CAMLR-XXXIV/BG/17 (Part C) describes ... . Chapter 1 describes the environmental data sets that were acquired for the evaluation of MPAs in the ... Weddell Sea planning area. Chapter 2 provides a systematic overview of the current data situation ... regarding ecological data sets. Most data sets are already presented in our background document SC-CAMLR ...
Meeting Document : SC-CAMLR-XXXIV/BG/16 : Auteur(s): Delegation of Germany
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Distribution, density and relative abundance of Antarctic krill estimated by maximum likelihood geostatistics on acoustic data collected during commercial fishing operations
Marine Living Resources (CCAMLR) has initialised a process to make use of acoustic data from commercial ... provide an example where 34 days of acoustic data, collected during commercial krill fishing operations on ... relative abundance estimates on monthly, weekly and daily basis. Data were analyzed using a maximum ... last one, were also consistent with the full data (monthly) estimate. Highly variable and lower ...
Meeting Document : WG-EMM-16/P12 : Auteur(s): E.J. Niklitschek and G. Skaret
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Nine years of tag-recapture in CCAMLR Statistical Subarea 48.3 – Part I: General data characterisation and analysis
Abstract: This paper presents an analysis of data gained from a nine-year tagging programme of ... tagging length distributions with those of the landed catch and survey data. The characterisation of tag ... recapture data from Subarea 48.3 shows that the tagging programme is successful in providing substantial ... ) Title: Nine years of tag-recapture in CCAMLR Statistical Subarea 48.3 – Part I: General data ...
Meeting Document : WG-SAM-14/35 : Auteur(s): M. Soeffker, C. Darby and R.D. Scott (United Kingdom)
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CEMP Indices: 2015 update on data submissions and analyses
in accordance with the ‘ecosystem approach’. In 2015 data has been submitted by 9 Members for 15 ... sites and 12 CEMP parameters. This report provides a summary of CEMP data submissions for the 2015 ... season as well as a more detailed review of data quality including an analysis and of penguin breeding ... population size parameters. Author(s): CCAMLR Secretariat Title: CEMP Indices: 2015 update on data ...
Meeting Document : WG-EMM-15/07 Rev. 1 : Auteur(s): CCAMLR Secretariat
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Depletion-based stock reduction analysis: a catch-based method for determining sustainable yields for data-poor fish stocks
for data-poor fisheries in cases where approximate catches are known from the beginning of ... -Reduction Analysis with Depletion-Corrected Average Catch. Data requirements include estimates of historical ... stock status are incorporated using Monte Carlo exploration. Comparison of model outputs to data-rich ... stock assessments suggests that the method is effective for estimating sustainable yields for data-poor ...
Meeting Document : WG-SAM-11/P2 : Auteur(s): E.J. Dick and A.D. McCall
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Using mark-recapture and catch-age data to estimate fishing and natural mortality for the Patagonian toothfish at South Georgia
natural mortality, and integrates catch-at-age data into the estimation model, to aid in distinguishing ... against simulated data, and performed as expected. Mark-recapture data from toothfish at South Georgia was ... be lower than those estimated in previous stock assessments using both mark-recapture and catch data ... . Hillary and D.J. Agnew (United Kingdom) Title: Using mark-recapture and catch-age data to estimate ...
Meeting Document : WG-FSA-SAM-06/06 : Auteur(s): R.M. Hillary and D.J. Agnew (United Kingdom)
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Spatio-temporal dynamics of the Antarctic krill fishery in Subarea 48.1 based on data collected on board F/V Fu Rong Hai
played an important role in the feed-back management of krill fishery. The CPUE data collected from the ... spatial dynamics of the population and the fishery of krill in CCAMLR Subarea 48.1. The acoustic data ... autumn, the fishing activity usually concentrated in the middle of the Bransfield strait Acoustic data ... showed similar dynamics of the krill in the Bransfield strait with CPUE data in the 2015/16 fishing ...
Meeting Document : WG-EMM-18/41 : Auteur(s): Y. Ying, X. Wang, X. Zhao, J. Zhu, G. Fan and X. Yu
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Preliminary analysis of seabird by-catch using CCAMLR observer data
Abstract: We used data collected by CCAMLR International Scientific Observers in 1997 and 1998 to ... birds (9.4%). Data conformed most closely to a Delta distribution (many zero values and log-normal ... data precluded analysis of seabirds at a taxon level more detailed than albatrosses and petrels ... most other factors cannot be fully analysed with the present data. Even vessels using streamer lines ...
Meeting Document : WG-FSA-99/28 : Auteur(s): D.J. Agnew and J.P. Croxall (United Kingdom)