Résultats de la recherche
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A comparison between the estimated density of krill from an acoustic survey with that obtained by scientific nets on the same survey
krill from an acoustic survey with that obtained by scientific nets on the same survey Approval ... density estimates for the RMT 8 oblique (0 to 200m depth) trawls conducted during January-March 1996 as ... part of a hydroacoustic biomass survey for Antarctic krill in CCAMLR Division 58.4.1. The acoustic ... found between the two data sets. Several orders of magnitudes were seen in the range of variation ...
Meeting Document : WG-EMM-97/43 : Auteur(s): Pauly, T., Higginbottom, I., Hosie, G., de la Mare, W.K., Nicol, S.
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An update on the Antarctic Climate Change and the Environment (ACCE) report
: An update on the Antarctic Climate Change and the Environment (ACCE) report Approval: Approved ... Antarctic Climate Change and the Environment (ACCE) Report. It considers two key questions that climate and ... anthropogenic signals and the Antarctic ice sheet and sea level. SCAR has formed an ACCE Expert Group that will ...
Meeting Document : CCAMLR-XXIX/BG/17 : Auteur(s): Submitted by SCAR
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Update on the ‘Demersal interactions with marine benthos in the Australian EEZ of the Southern Ocean: an assessment of the vulnerability of benthic habitats to impact by demersal gears’ project
Abstract: We provide an update on progress in the FRDC and industry-funded project “Demersal ... interactions with marine benthos in the Australian EEZ of the Southern Ocean: an assessment of the ... technologies and unique datasets for quantifying the dynamics and extent of the interactions between demersal ... fishing gears and deep sea habitats in the Southern Ocean, will assist with providing key components for ...
Meeting Document : WG-EMM-10/23 : Auteur(s): G.P. Ewing, D.C. Welsford and A.J. Constable (Australia)
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Influence of tag numbers, size of tagged fish, duration of the tagging program, and auxiliary data on bias and precision of an integrated stock assessment
estimate annual recruitment and year class strengths. (3) For a simulated lightly fished stock, CASAL ... auxiliary data on bias and precision of an integrated stock assessment Approval: Approved ... Abstract: Using a modeling framework for toothfish population dynamics, fishing and data ... numbers were important particularly in the early stages of an exploratory fishery to ensure some ...
Meeting Document : WG-SAM-12/24 : Auteur(s): P.E. Ziegler (Australia)
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A proposal to adopt a conservation measure seeking an interim prohibiting on deep sea gillnet fishing in the Convention Area
): Delegation of Australia Title: A proposal to adopt a conservation measure seeking an interim prohibiting on ... Abstract: Australia proposes that the possession and/or use of gillnets for commercial purposes ... be prohibited until such time as (1) the Scientific Committee has investigated and reported on the ... potential impacts of this gear in the Convention Area, and (2) the Commission has agreed on the basis of ...
Meeting Document : WG-FSA-06/46 : Auteur(s): Delegation of Australia
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Influence of data quality and quantity from a multiyear tagging program on an integrated fish stock assessment
tagging program on an integrated fish stock assessment Approval: Approved ... Abstract: Using a modeling framework for toothfish (Dissostichus spp.) population dynamics ... an integrated tag-based assessment are influenced by various aspects of a multiyear tagging program ... % tag size-overlap were sufficient for robust and unbiased assessments. Particularly in the early stages ...
Meeting Document : WG-FSA-13/P03 : Auteur(s): P. Ziegler
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Progress on the application of an age-structured production model fitted to commercial catch-rate and catch-at-length data to assess the toothfish (Dissostichus eleginoides) resource in the Prince Edward Island vicinity
-at-length and GLM standardised CPUE data are all extended for one further year. Despite model ... on the application of an age-structured production model fitted to commercial catch-rate and catch-at ... yr-1 is likely the largest value of natural mortality M that is plausible for toothfish. Catch, catch ... reverse. Priority areas for further investigation to attempt to resolve this inconsistency are suggested ...
Meeting Document : WG-FSA-03/97 : Auteur(s): A. Brandão and D.S. Butterworth (South Africa)
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An assessment of temporal variability and interrelationships between CEMP parameters collected on Adélie penguins at Béchervaise Island
supports the notion that events occurring during the hatching period are crucial for chick survival. The ... birds is important for understanding interrelationships between CEMP parameters and breeding success ... . Author(s): L.M. Emmerson, J. Clarke, K. Kerry and C. Southwell (Australia) Title: An assessment of ... period 1991/92 to 2001/02 on Adélie penguins at Béchervaise Island. Parameters relating to chick survival ...
Meeting Document : WG-EMM-02/46 : Auteur(s): L.M. Emmerson, J. Clarke, K. Kerry and C. Southwell (Australia)
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An ecosystem-based approach to management: using individual behaviour to predict the indirect effects of Antarctic krill fisheries on penguin foraging
human disturbance on ecosystems. Author(s): S.H. Alonzo, P.V. Switzer and M. Mangel (USA) Title: An ... penguin reproductive success. 4. Synthesis and applications. These results demonstrate that an ... have indirect effects on other species in a community. Although ecosystem approaches to management are ... conditions on these interactions. In this study, we extended a behavioural model used previously to ...
Meeting Document : WG-EMM-03/34 : Auteur(s): S.H. Alonzo, P.V. Switzer and M. Mangel (USA)
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Progress toward an Agreement on the Conservation of Albatrosses and Petrels
Author(s): B. Baker (Australia) Title: Progress toward an Agreement on the Conservation of ...
Meeting Document : WG-FSA-03/53 : Auteur(s): B. Baker (Australia)