Résultats de la recherche
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Fishes: Trophic modelling of the Ross Sea
& Pauly 2009) states that production rates for M. whitsoni are likely to be low, with a minimum ... for all groups on the basis that the vast majority of fish mortality is likely to be due to direct ... (predominant prey) Piscivores, planktivores, scavengers etc. Most fishes will have a diet that varies with ... midwater and bottom trawls in depths of 200–2000 m (Roshchin 1997) so it may be that juvenile toothfish ...
Document : Site Section: Publications
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The diet of Antarctic fur seals Arctocephalus gazella during the breeding season at Heard Island
Heard Island fed mainly on fish with an average 95.2% of scats in monthly collections containing fish ... . There the increase is thought to be due to the high availability of krill E. superba, but, in the ... supported on a local diet of fish. Whether this population increase can be sustained on a diet of fish is ... arguable. Trial fishing around Heard Island indicates that one of the major dietary items of the seals (C ...
Meeting Document : SC-CAMLR-VIII/BG/53 : Auteur(s): Delegation of Australia
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SC-CAMLR-XII
Working Group for the CCAMLR Ecosystem Monitoring Program (Seoul, Republic of Korea, 16 to 23 August 1993 ... August 1993) SC-CAMLR-XII/05 Report of the Working Group on Fish Stock Assessment (Hobart, Australia, 12 ... Delegation of United Kingdom SC-CAMLR-XII/BG/07 Records of fishing hooks associated with albatrosses at Bird ... interactions with long-lining operations during an exploratory fishing cruise for Dissostichus eleginoides to ...
Meeting
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Preliminary analysis of seabird by-catch using CCAMLR observer data
most other factors cannot be fully analysed with the present data. Even vessels using streamer lines ... large number of potentially important factors, the lack of overlap between factors and the fact that ... with using all prescribed mitigation measures provides a more useful indication of the success of ... , experimental approaches to identifying effective mitigation measures may be preferable to post-hoc analysis of ...
Meeting Document : WG-FSA-99/28 : Auteur(s): D.J. Agnew and J.P. Croxall (United Kingdom)
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Analysis and modelling of the Soviet Southern Ocean krill fleet
biomass be detected? The krill distributional model begins with individual krill which are assumed to ... that could be used to track krill biomass. File: 03-Mangel.pdf ... model is developed for a survey vessel that does no fishing, but simply locates concentrations of krill ... , (ii) I recommend that fishing vessels begin to indicate in their log books the amount of between trawl ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 127–235 : Auteur(s): Mangel, M.
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Focal areas for marine biodiversity protection in KwaZulu-Natal, South Africa. Marine Systematic Conservation Plan Analyses (SeaPLAN): Summary of Results 2011
invested in knowledge about the patterns of the biodiversity that are clearly visible to them. In this ... to the Exclusive Economic Zone, using a multi-scale analysis. We compare our results with existing ... levels of government. Author(s): T. Livingstone, J. Harris, M. Lombard and E. Lagabrielle (South ...
Meeting Document : WS-MPA-11/12 : Auteur(s): T. Livingstone, J. Harris, M. Lombard and E. Lagabrielle (South Africa)
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Indices of prey availability near the Seal Island CEMP site: 1990 to 1996
. Indices derived from these data indicate that although average prey density varied by a factor of almost ... of Elephant Island, and between 25 and l00 m depth. Indices of average prey density agree with ... biomass of post-spawning adults near Seal Island during the second survey of each year. It is hoped that ... these indices may be useful in modelling krill predator breeding success as a function of prey ... identified a number of indices of prey availability that could be calculated from existing datasets, and ... recommended that the feasibility of calculating such indices be investigated (SC-CAMLR, 1996). Indices of ... 100 m. This was assumed to be the foraging space of krill predators that breed at Seal Island ... indicate that although average prey density varied by a factor of almost five between 1990 and 1996, prey ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 37–45 : Auteur(s): Hewitt, R.P., G. Watters and D.A. Demer
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Developing a strategy for coordinated research leading to achievement of the CCAMLR objectives for Antarctic toothfish (D. mawsoni) in Area 48
and results can be subsequently evaluated. A time schedule, in the form of a project plan with ... Subarea 48 have recently become widely dispersed with little co-ordination or integration into existing ... objectives that allow proponents to design their proposals and provide a structure against which the research ...
Meeting Document : WG-FSA-17/54 : Auteur(s): C. Darby and M. Söffker
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Development of the CCAMLR Marine Protected Area (MPA) Information Repository (CMIR)
completion in October 2019, with outcomes including the deployment of the CMIR host server, a project ... that will support submission and hosting of MPA project data. The Secretariat will provide support to ... Members to begin submitting projects following completion. Phase 2 will further develop the CMIR with a ... . Updates and recommendations related to Phase 2 will be presented at WG-EMM-2020. Author(s): CCAMLR ...
Meeting Document : SC-CAMLR-38/BG/04 : Auteur(s): CCAMLR Secretariat
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Age determination of Notothenia gibberifrons from the South Shetland Islands, Antarctic Peninsula subarea (Subarea 48.1)
between false and annual checks in scales. Age determination by otolith cross sections proved to be the ... most reliable method. Mean length data at age presented here for Low I. specimens were compared with ... previous published values. This confirmed that fish from the Antarctic Peninsula subarea are smaller than ... discussed. It is expected that the Otoliths/Scales/Bones Exchange System established by CCAMLR will help to ... presented here for Low I. specimens were compared with previous published values. This confirmed that fish ... determination by otolith cross sections proved to be the most reliable method. Mean length data at age ... , Palmer Archipelago. Possible reasons for these differences are discussed. It is expected that the ... al. (1985); Shust and Pinskaya (1978) and Skora (quoted in Kock et al. 1985) worked with scales ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 143-160 : Auteur(s): Barrera-Oro, E.