Search results
-
CLIMATICALLY DRIVEN FLUCTUATIONS IN SOUTHERN OCEAN ECOSYSTEMS
fluctuations in winter sea ice extent, affect the recruitment and dispersal of Antarctic krill ... . This oceanographically driven variation in krill population dynamics and abundance in turn affects the breeding success ... of seabird and marine mammal predators that depend on krill as food. Such propagating anomalies, mediated ... could lead to more than a 95% reduction in the biomass and abundance of krill across the Scotia Sea ...
Meeting Document : WG-EMM-08/P02 : Author(s): E.J. Murphy, P.N. Trathan, J.L. Watkins, K. Reid, M.P. Meredith, J. Forcada, S.E. Thorpe, N.M. Johnston and P. Rothery
-
Proposed trawl survey report format
(Dissostichus eleginoides) and icefish (Champsocephalus gunnari). Documentation of some past trawl surveys has ... been insufficient to allow members of WG-FSA to fully interpret the survey results. This document ... eleginoides) and icefish (Champsocephalus gunnari). Documentation of some past trawl surveys has been ... insufficient to allow members of WG-FSA to fully interpret the survey results. This document suggests ...
Meeting Document : WG-FSA-SAM-06/05 : Author(s): R.L. O’Driscoll (New Zealand)
-
Information report on the age determination methods of toothfish Dissostichus spp.
Abstract: The document presents the experience of the age determination of toothfish of the genus ... Delegation responsibility for releasing documents: Ukraine ... The document presents the experience of the age determination of toothfish of the genus ...
Meeting Document : WG-SAM-18/29 : Author(s): I.V. Slypko and P.M. Zabroda
-
PROGRESS TOWARDS EXPERT GROUP MANUSCRIPTS FOR THE CCAMLR-IWC WORKSHOP TO REVIEW INPUT DATA FOR ANTARCTIC MARINE ECOSYSTEM MODELS: UPDATE ON PROGRESS 2008
Abstract: This document summarises progress by expert groups towards having manuscripts ready ... This document summarises progress by expert groups towards having manuscripts ready for the CCAMLR ...
Meeting Document : WG-EMM-08/47 : Author(s): A. Constable and N. Gales (Co-conveners)
-
Consideration of major issues in ecosystem monitoring and management
and the manner in which their populations vary naturally. Large scale interactions are catered for the Krill ... Yield Model. Smaller scale interactions centre around three main categories, the availability of krill ... to investigate krill availability. Vital rates can be investigated directly and also with respect to CEMP ... in which their populations vary naturally. Large scale interactions are catered for the Krill Yield Model ...
Meeting Document : WG-EMM-01/73 : Author(s): I. Everson (United Kingdom)
-
Food and feeding of two Channichthyids, Champsocephalus gunnari and Chaenocephalus aceratus, around Elephant Island and in the South Shetland Islands (Subarea 48.1) in 2001 and 2002
‘Polarstern’. C. gunnari fed almost exclusively on krill (Euphausia superba) in both years. C. aceratus fed ... on krill and other crustaceans as well as on fish. C. aceratus smaller than 30 – 35 cm relied primarily ... on krill and other crustaceans while larger fish preyed predominantly on fish. They fed mainly on locally ... ’. C. gunnari fed almost exclusively on krill (Euphausia superba) in both years. C. aceratus fed on krill ...
Meeting Document : WG-FSA-02/73 Rev. 1 : Author(s): H. Flores, K.-H. Kock, S. Wilhelms (Germany) and C.D. Jones (USA)
-
The SCAR Antarctic digital topographic database
of the Scientific Committee on Antarctic Research (SCAR), during a two-year period. Over 200 maps, at scales ranging ... project between 11 nations. Data capture was co-ordinated in the UK, under the auspices of the Scientific ...
Meeting Document : SC-CAMLR-XII/BG/16 : Author(s): Delegation of United Kingdom
-
Fishing for toothfish using pots: results of trials undertaken around South Georgia, March–May 2000
fisheries in the CCAMLR area. While the method successfully caught D. eleginoides, there was a large bycatch ... of crab species. The catch rate of toothfish was notably lower than that achieved in the longline fishery ... , the results, and discusses the commercial viability of this fishing method for toothfish fisheries ... species. The catch rate of toothfish was notably lower than that achieved in the longline fishery ...
Meeting Document : WG-FSA-00/23 : Author(s): D. Agnew, T. Daw, M. Purves and G. Pilling (United Kingdom)
-
Quantifying the impacts of ice on demersal longlining; a case study in CCAMLR Subarea 88.1
fisheries research and management. Using the toothfish fishery in CCAMLR Subarea 88.1 as a case study we ... but not widely understood in detail other than by fishers and specialists in Antarctic fisheries research ... and management. Using the toothfish fishery in CCAMLR Subarea 88.1 as a case study we provide a method ...
Meeting Document : WG-FSA-14/55 Rev. 1 : Author(s): J.M. Fenaughty and S.J. Parker (New Zealand)
-
Fish stock assessment survey in Subarea 48.3, 2004
the recommendations of the CCAMLR subgroup on fisheries acoustics (WG –SFA) emphasis was to be put on obtaining ... the recommendations of the CCAMLR subgroup on fisheries acoustics (WG –SFA) emphasis was to be put on obtaining ...
Meeting Document : WG-FSA-04/85 : Author(s): M. Belchier, M. Purves, M. Collins, S. Hawkins, T. Marlow, R. Mitchell, J. Szlakowski and J. Xavier (United Kingdom)