Résultats de la recherche
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Terra Nova Bay: hot spot in marine and terrestrial biodiversity, knowledge and functioning of the ecosystem
Abstract: The Terra Nova Bay area is particularly valuable for science due to the presence of ... . From an oceanographic perspective, the area is characterised by the occurrence of the Terra Nova Bay ... polynya, a crucial region for the formation of the High Salinity Shelf Water (HSSW), formed by the ... salination of the Circumpolar Deep Water (CDW), that penetrates onto the continental shelf of the Ross Sea ...
Meeting Document : WS-MPA-11/14 : Auteur(s): S. Torcini, M. Vacchi, S. Aliani, G. Bavestrello, A. Bergamasco, G. Budillon, B. Calcinai, G. Catalano, R. Cattaneo-Vietti, C. Cerrano, M. Chiantore, S. Corsolini, R. Bargagli, A. Dell’Anno, G. di Prisco, G. Fusco, S. Focardi, L. Gugliemo, G. Lauriano, P. Luporini, O. Mangoni, S. Olmastroni, F. Pezzo, E. Pisano, L. Ghigliotti, P. Povero, S. Puce, A. Pusceddu, E. Rusciano, M. Saggiomo, V. Saggiomo, M.C. Gambi, S. Schiaparelli, G. Spezie, C. Verde, P. Del Negro (Italy)
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Preliminary results of the E.L. Holmberg 1994 cruise to Subareas 48.3 and 48.2
Abstract: A total of 63 hauls and 10 oceanographical legs were obtained. Of these, 44 hauls taken ... in Subarea 48.3 on a random stratified des n are used to estimate the standing stocks of the main ... surface water temperature of about-0.5 to-1.0 in a period of approximately 20 days was detected around ... South Georgia Islands. In the Scotia Sea the boundary of the Weddell-Scotia confluence was found within ...
Meeting Document : WG-FSA-94/29 : Auteur(s): E.R. Marschoff, B. Prenski, B. Gonzalez, C. Remaggi and C. Balestrini (Argentina)
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Contributions to the biology of cephalopods in Prydz Bay, Antarctica - a preliminary report
and benthic fauna in Prydz Bay, Antarctica (Indian Ocean Sector) in January to March, 1991. A total of ... preliminary report presents capture records of eight species of squids; Brachioteuthis sp., Kondakovia ... senei and several species of Pareledone. Psychroteuthis glacialis is reported to congregate on the ... bottom near the shelf edge at the depth of 400- 600 m. No distinctive pattern in diel vertical movement ...
Meeting Document : SC-CAMLR-X/BG/09 : Auteur(s): Delegation of Australia
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Recent British Antarctic Survey publications relevant to the agenda of WG-EMM 2013
related to feedback management: “review of spatial and temporal structure in the ecosystem in which the ... current Area 48 fishery operates” and “development of agreed decision-making mechanisms for the candidate ... have been studying the structure and operation of this ecosystem for several decades. Some of this work ... has focused on the management and monitoring of this ecosystem. These programmes have therefore ...
Meeting Document : WG-EMM-13/21 : Auteur(s): Delegation of the United Kingdom
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A summary of scientific observer deployments and data collection in the krill fishery during the 2011, 2012 and 2013 seasons
Abstract: The level of observer coverage in the krill fishery and the scientific sampling ... undertaken are summarised. During 2012 all 12 of the vessels that participated in the krill fishery carried ... observers for some or all of their fishing operations. From a total of 860 vessel days of fishing in 2012 ... observations of krill length measurements were collected on 375 ‘days’ and fish bycatch was measured on 554 ...
Meeting Document : WG-EMM-13/38 : Auteur(s): CCAMLR Secretariat
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A spatial analysis of CEMP data in Area 48 to support work on feedback management in the krill fishery
Abstract: CEMP data from different sites in Area 48 were used to compare patterns of inter-annual ... variability as a function of the site location to examine the spatial scale over which CEMP data that have ... combined standardised indices (CSI) of summer CEMP parameters were generally positive and the patterns of ... inter-annual variability of sites in Subreas 48.1 showed an increased level of concordance in the period ...
Meeting Document : WG-EMM-16/09 : Auteur(s): CCAMLR Secretariat
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By-catch of morid cods (Gadiformes: Moridae) in the CCAMLR area and adjacent areas during commercial fishing and research surveys
distributions, size composition and abundance of morids in the CCAMLR and adjacent areas. The main goal is to ... detection of areas and depths of their aggregations, by reveal of presence/absence of spatial and vertical ... migrations and by study of their seasonal and multi-annual variations. Results will be used for preparation ... of conservation measures allowing for preservation these vulnerable by-catch species from irreparable ...
Meeting Document : WG-FSA-16/12 : Auteur(s): A. Orlov and I. Gordeev
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ESTIMATION OF MANAGEMENT REFERENCE POINTS CONSISTENT WITH THE CATCH TRIGGER LEVEL FOR THE ANTARCTIC KRILL FISHERY IN AREA 48
of 620,000 tonnes. Projections were run with various increased levels of recruitment variability to ... analyse the sensitivity of the estimates of the reference points to recruitment variability. The estimates ... of F and SSB reference points for the krill stock in Area 48 consistent with the catch trigger level ... comparison, the F and SSB reference points for the precautionary catch limit of 5.61 million tonnes are 0.186 ...
Meeting Document : WG-EMM-11/17 : Auteur(s): T. Peatman, J. Moir Clark, D.J. Agnew (UK)
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Further progress on modelling the krill–predator dynamics of the Antarctic ecosystem
Abstract: This paper addresses work conducted on the Mori-Butterworth multi-species model of the ... Antarctic ecosystem subsequent to the Ulsan meeting of the IWC Scientific Committee. Points raised about the ... unable to fully utilise the primary production available. The precision of parameters estimated when ... of the model to available abundance estimates for crabeater seals. A list of topics for possible ...
Meeting Document : WG-EMM-06/19 : Auteur(s): M. Mori (Japan) and D.S. Butterworth (South Africa)
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Summary of the seabird and marine mammal observations during observed toothfish (Dissostichus spp.) longline fishing operations in CCAMLR Subareas 88.1 and 88.2
Abstract: Twenty-eight species of seabird were reported from observations during longline setting ... distribution of fishing effort was dictated by the presence of sea ice and there are differences in the seabird ... composition reported each year because of variation in the spatial distribution of the seabirds. At-sea ... identification of some species is difficult and some of the species that were reported from outside their known ...
Meeting Document : WG-FSA-04/42 : Auteur(s): S.J. Baird (New Zealand)