Résultats de la recherche

1. Preliminary tag-recapture based population assessment of Antarctic toothfish (Dissostichus mawsoni) in Subarea 48.4

   Abstract:  The biomass of Antarctic toothfish (D. mawsoni) in CCAMLR subarea 48.4 is estimated ... from tagging returns to average 1109 tonnes since 2010, with a five-year (2015-2019) average biomass of ... 1187 tonnes. Applying the CCAMLR agreed precautionary assumption of average biomass across the time ... series and harvest rate of γ = 0.038, implies a 2019/20 yield of 45 tonnes using the 5-year average ...

   Meeting Document : WG-FSA-2019/27 : Auteur(s): T. Earl and A. Riley

2. New page in the Antarctic krill fishing (Translation from The Fishing Industry of Ukraine, 1–2/2007: 11–14)

   Abstract:  Antarctic krill (Euphausia superba) is one of the largest marine resources of animal ... origin protein on the planet. Krill is the key element of the Antarctic Region ecosystem. Construction of ... modern vessels for krill fisheries and processing is foreseen anyway; introduction of new technologies on ... and other preparations. Became possible due to the construction of specialized large-capacity fish ...

   Meeting Document : SC-CAMLR-XXVI/BG/26 : Auteur(s): Delegation of Ukraine

3. Descriptive analysis of mesopelagic backscatter from acoustic data collected in the Ross Sea

   Abstract:  This report presents results from a pilot study to investigate the use of acoustics to ... quantify spatial and vertical distribution of acoustic backscatter in the upper 1000 m of the water column ... . There were clear spatial patterns in the amount and type of mesopelagic backscatter observed. There was ... much more backscatter in the upper 1000 m and a wider variety of mark types north of 67° S. Common mark ...

   Meeting Document : WG-EMM-06/11 : Auteur(s): R.L. O’Driscoll (New Zealand)

4. Estimating food consumption of marine predators: Antarctic fur seals and macaroni penguins

   Abstract:  1. Estimating food consumption is central to defining the ecological role of marine ... , growth, diet, life history and the activity budgets of marine predators to estimate population energy ... requirements and food consumption. 2. Two species of marine predators (Antarctic fur seal Arctocephalus gazella ... examples to test the algorithm. A sensitivity analysis showed that estimates of prey consumed were most ...

   Meeting Document : WG-EMM-02/23 : Auteur(s): I.L. Boyd (United Kingdom)

5. 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)

6. 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)

7. 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

8. 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

9. 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

10. 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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