Résultats de la recherche
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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
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”. This project commenced in 2006 and is due to ... conclude with the publication of a final report in late 2011. Outputs of this project, including novel ... technologies and unique datasets for quantifying the dynamics and extent of the interactions between demersal ...
Meeting Document : WG-EMM-10/23 : Auteur(s): G.P. Ewing, D.C. Welsford and A.J. Constable (Australia)
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Changes of population structure in common benthic species of the proposed Stella Creek MPA in the vicinity of the Akademik Vernadsky Station, Galindez Island, Antarctica
Abstract: First descriptions of the two proposed MPAs, Stella Creek and Skua Creek, as well as ... (International Union for Conservation of Nature) categories and governance types for protected area”. Bathymetric ... maps and a 3D-model of the sea-bed of Stella Creek and Skua Creek were given for the first time. The ... non-destructive method of survey using analysis of underwater photos was applied for scientific ...
Meeting Document : WG-EMM-15/41 : Auteur(s): Delegation of Ukraine
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Breeding numbers and success of Eudyptes penguins at Marion Island, and the influence of arrival of adults
Abstract: At Marion Island, there was considerable correlation in numbers of adults breeding at ... proportions of birds breeding. For both species the time of arrival of females for breeding, and for ... Rockhopper Penguins the mass of females on arrival, was significantly related to breeding success. Therefore ... significantly correlated with mass of chicks at fledging. For both species, mass on arrival of males was ...
Meeting Document : WG-EMM-05/38 : Auteur(s): R.J.M. Crawford, J. Cooper, B.M. Dyer and L.G. Underhill (South Africa)
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Differentiated catchability of trawls as a method for a more precise estimate of density of krill swarms and its biomass
Abstract: Krill escapement in different parts of krill trawls and their differentiated ... considerable importance for catching results. It is proved that the estimation of density and size structure of ... fished krill swarms should be performed on the based of differentiated catchability of krill trawls. A ... mathematical model of krill trawling has been developed for estimating the above values. Author(s): V. Akishin ...
Meeting Document : WG-EMM-03/21 : Auteur(s): V. Akishin (Russia)
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VME detection thresholds: preliminary results of a study on the case of the sea pens (Pennatulacea) of the CCAMLR sector 58.4.4b
, the data are reported to the Secretariat to inform the CCAMLR about the potential presence of VME to ... of sea pens (Pennatulacea, NTW, VME bioindicator) in the 58.4.4b sector have been reported during the ... CCAMLR SAM Working Group 2018. However, despite the important level of the catches, no VME detection ... threshold triggering out the establishment of an immediate fishing exclusion zone have been reached. Here ...
Meeting Document : WG-EMM-2019/52 : Auteur(s): A. Martin and M. Eléaume
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Effect of orientation on broadband acoustic scattering of Antarctic krill Euphausia superba: implications for inverting zooplankton spectral acoustic signatures for angle of orientation
Abstract: Acoustic scattering experiments involving simultaneous acquisition of broadband echoes ... and video footage from several Antarctic krill were carried out to determine the effect of animal ... orientation on echo spectral structure. A novel video analysis technique, applied to extract krill angle of ... echo spectra had a more erratic structure, with several closely spaced nulls of variable depth. The ...
Meeting Document : WG-EMM-99/41 : Auteur(s): L.V. Martin Traykovski (USA), R.L. O’Driscoll (New Zealand) and D.E. McGehee (USA)
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Demonstrating proof of concept of the application of systematic conservation planning at the circumpolar scale
establish meaningful protection for the unique biodiversity of the Southern Ocean. With conservation ... planning already underway in a number of priority areas within the Southern Ocean, this report looks at the ... feasibility of complementing these targeted initiatives by assembling and analysing existing biophysical data ... at a whole of Southern Ocean scale. Such an analysis would provide technical support to planning for ...
Meeting Document : WG-EMM-10/34 : Auteur(s): D. Beaver, R. Nicoll, G. Llewellyn, P. Harkness, C. Hellyer and J. Turner (ASOC-WWF)
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Some specific features of the USSR krill fishery and possibilities of applying fishery statistics to studies of krill biology and stocks
Paper Title: Some specific features of the USSR krill fishery and possibilities of applying ... fishery statistics to studies of krill biology and stocks Abstract / Description: General principles of ... the USSR krill fishery such as the location of exploited fishing areas and the seasonal regime of ... krill fishery, it is shown that the catch-per-haul variables are associated with the fishing regime of ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 237–252 : Auteur(s): Dolzhenkov, V.N., T.G. Lubimova, R.R. Makarov, S.S. Parfenovich and V.A. Spiridonov
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Scientific background document in support of the development of a CCAMLR MPA in the Weddell Sea (Antarctica) – Version 2017 – Reflection of the recommendations by WG-EMM-16 and SC-CAMLR-XXXV
in support of the development of a CCAMLR MPA in the Weddell Sea. Germany was asked to carry out ... , the authors intend to update the Working Group on Fish Stock Assessment on the current state of the ... work carried out during the 2016/2017 intersessional period. Chapter 1 of this working group paper ... informs on the new data retrieval process. Chapter 2 presents the updated analyses of relevant data layers ...
Meeting Document : WG-FSA-17/29 : Auteur(s): K. Teschke, H. Pehlke and T. Brey
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On influence of acoustic survey methodology improvement on krill biomass estimation. (A comparison of results of acoustic surveys based on single-frequency and double-frequency algorithms)
Abstract: Substantial improvements in data collection and analytical methodologies of acoustic ... influence of such improvements on krill biomass estimation. The letter seems to become useful in comparative ... analysis of krill biomass data from the results of different acoustic surveys. There have been presented ... the results of krill biomass comparative estimation by single-frequency and double-frequency ...
Meeting Document : WG-EMM-01/41 : Auteur(s): S.M. Kasatkina and A.P. Malyshko (Russia)