Résultats de la recherche
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Scientific justification for a marine protected area designation around the Balleny Islands to protect ecosystem structure and function in the Ross Sea region, Antarctica: progress report
establishing a Balleny Islands Marine Protected Area (MPA). The ecological importance of the Balleny Islands ... focus is on the CCAMLR values. A review of existing information reveals that the Balleny Islands are ... sustainability of existing and potential fisheries in the region. A strategically located Balleny Islands MPA ... extending outward from the islands would provide a critical buffer between ecologically important ...
Meeting Document : SC-CAMLR-XXIV/BG/25 : Auteur(s): Delegation of New Zealand
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A krill–predator–fishery model for evaluating candidate management procedures
uncertainty about how the krill-predator- fishery system operates. We describe a model designed to investigate ... and predation processes. The fishery is represented as a simultaneous and equal competitor for ... simulations. We present a range of performance measures that can be used to evaluate catch-allocation ... necessarily simplifies a complex system, it provides a flexible framework for investigating the roles of ...
Meeting Document : WG-EMM-05/13 : Auteur(s): G.M. Watters, J.T. Hinke (USA), K. Reid and S. Hill (United Kingdom)
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A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997/98 to 2011/12
SSRUs, but there has been a marked reduction in median fish length in SSRUs 88.1H and 88.1I over the ... last 2–3 years. This appears to be at least partly a result of vessels carrying out more fishing in ... shallower parts of the slope, but could also reflect fishing on different parts of the slope, or a pulse of ... present a characterisation of the main six bycatch groups including macrourids, skates, icefish, eel cods ...
Meeting Document : WG-FSA-12/42 : Auteur(s): M.L. Stevenson ,S.M. Hanchet, S. Mormede and A. Dunn (New Zealand)
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The use of electronic monitoring camera system for the toothfish fishery in CCAMLR Subarea 48.3: a study case to help CCAMLR
a reasonable figure/rate of line observation for each setting of the lines. A video recording system ... was installed on a longliner targeting toothfish in CCAMLR Subarea 48.3. This system provided 100% of ... totalling 31 hours and 57 minutes were observed and recorded. For hauling, a total of 53,403 hooks were ... by a scientific observer was compared with recorded video footage recorded by 3 different video ...
Meeting Document : WG-FSA-14/27 : Auteur(s): R.A. Benedet (United Kingdom)
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A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997–98 to 2014–15
remaining catches came mainly from SSRUs 88.1C, 88.1J, and 88.2L. A standardised CPUE analysis showed ... fishery were stable in the North up until 2014, then showed a decrease in mode, particularly for males (to ... similar to that in the early period of the fishery – the reason for this is unclear. There has been a ... readings and it is recommended that additional otolith readings for this area are given a high priority ...
Meeting Document : WG-FSA-15/36 : Auteur(s): K. Large, S.M. Hanchet and S. Mormede (New Zealand)
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Dynamics of Antarctic krill in the Bransfield Strait during austral summer and autumn investigated using acoustic data from a fishing vessel
integration assuming they constituted the bulk of krill biomass. Our results indicated a major shift in mid ... -April which included increased biomass, increased vertical distribution of swarms, a shift in diel ... daytime in May, and also a shift in the length distribution of krill. The results strongly support recent ... followed by a gradual shift in swarming behavior. Our results further showed that the fishing vessel ...
Meeting Document : WG-EMM-17/40 : Auteur(s): X. Wang, G. Skaret, O.R. Godø and X. Zhao
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Feeding ecology of the two sympatric fish species Notothenia rossii and N. coriiceps from western Antarctic Peninsula: a fatty acids and stable isotopes approach
Abstract: Biomarker analysis, especially fatty acids (FA) and stable isotopes (SI), has become a ... . Notothenia rossii showed a higher total FA concentration, with high levels of polyunsaturated FA (PUFA) such ... might suggest a possible trophic niche segregation between N. rossii and N. coriiceps, both species ... occupy a similar TP (N. rossii = 3.1, N. coriiceps = 3.5). Furthermore, we found a higher total ...
Meeting Document : WG-FSA-2019/26 : Auteur(s): E. Moreira, M. Novillo, K. Mintenbeck, E. Barrera-Oro and M. De Troch
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A proposal for streamlining the work of the Scientific Committee for the Conservation of Antarctic Marine Living Resources
Abstract: The work of the Scientific Committee is expanding with a duplication of many functions ... in the two working groups and subgroups. There is also a need to give time to emerging issues for ... marine protected areas in a CCAMLR context and the development and evaluation of management strategies ... develop a work program that does not require all issues to be addressed every year. The Working Groups are ...
Meeting Document : SC-CAMLR-XXIV/BG/30 : Auteur(s): Delegation of Australia
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Trends in bird and seal populations as indicators of a system shift in the Southern Ocean
organisms. The Southern Ocean plays a critical role on global climate and there is growing evidence of ... a time lag of 2–9 years with temperatures, the population size of most seabirds and seals monitored ... . These changes, together with the indications of a simultaneous decrease in secondary production in sub ... -Antarctic waters and the reduction of sea-ice extent further south, indicate that a major system shift has ...
Meeting Document : WG-EMM-03/53 : Auteur(s): H. Weimerskirch, P. Inchausti, C. Guinet and C. Barbraud (France)
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DEVELOPING A ‘BEST AVAILABLE SCIENCE’ BATHYMETRIC DATA FRAMEWORK FOR FISHERIES MANAGEMENT IN THE ROSS SEA
available science” bathymetric data for the Ross Sea region along with a set of spatial tools in the form of ... computer scripts that provide a transparent and citable method to derive standard summary statistics for ... . Currently, we have obtained publically available bathymetric data sources, created a spatial database, and ... . Parker, S.M. Hanchet, B. Wood and A. Dunn (New Zealand) Title: DEVELOPING A ‘BEST AVAILABLE SCIENCE ...
Meeting Document : WG-FSA-09/38 : Auteur(s): S.J. Parker, S.M. Hanchet, B. Wood and A. Dunn (New Zealand)