Resultados de la búsqueda
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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
Abstract: In 2000, the New Zealand delegation to CCAMLR proposed the designation of an Antarctic ... can be aligned with both the CCAMLR ecosystem-wide conservation objectives and the values found in ... includes the only known habitat in the region for juvenile toothfish, and perhaps also for early ... sustainability of existing and potential fisheries in the region. A strategically located Balleny Islands MPA ...
Meeting Document : SC-CAMLR-XXIV/BG/25 : Autor(es): Delegation of New Zealand
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Descriptive analysis of the Antarctic toothfish (Dissostichus mawsoni) tagging scheme in the Ross Sea for the years 1997/98 to 2003/04
Abstract: A descriptive analysis of the toothfish tagging programme carried out in the Ross Sea ... been in the same proportion as the catch by area. However, recapture rates have tended to be higher in ... the mean size of fish taken in the commercial catch. Larger toothfish (>35 kg) are difficult to tag ... analysis of the Antarctic toothfish (Dissostichus mawsoni) tagging scheme in the Ross Sea for the years ...
Meeting Document : WG-FSA-SAM-05/10 : Autor(es): A. Dunn, S.M. Hanchet and K. Maxwell (New Zealand)
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Identifying marine protected areas (MPAs) in data-poor regions to conserve biodiversity and to monitor ecosystem change: an Antarctic case study
biodiversity. A great challenge for meeting this goal, particularly in data-poor regions, is to avoid ... is needed for identifying areas in data-poor regions that would enable the objectives to be achieved ... in the long term. We elaborate a procedure that would satisfy the first stage of identifying a RSMPA ... likely to encompass important areas for inclusion in a RSMPA. Three large areas are identified for their ...
Meeting Document : WS-MPA-11/05 : Autor(es): A.J. Constable, B. Raymond, S. Doust, D. Welsford (Australia), P. Koubbi (France) and A.L. Post (Australia)
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ALLOCATING THE PRECAUTIONARY CATCH LIMIT FOR KRILL AMONGST THE SMALL-SCALE MANAGEMENT UNITS IN AREA 48: THE IMPLICATIONS OF DATA UNCERTAINTIES
fishery in Statistical Area 48. This procedure will involve, inter alia, subdivision of the precautionary ... - subdivision based on the distribution of historical catches). In recognising the need for a “staged ... between these two (Option 4). In this paper we review the uncertainties relating to the spatial ... information about temporal variability in the spatial distribution of krill biomass, emphasising the need for ...
Meeting Document : WG-EMM-08/12 : Autor(es): P.N. Trathan and S.L. Hill (United Kingdom)
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Integrated models for Antarctic krill (Euphausia superba) using survey data from 1981–2014 in Subarea 48.1
of Antarctic krill in Subarea 48.1 based on different aggregations of the data are described to ... transects from 1996 to 2011) and Peru (IKMT sampling in 2014) are organized into different temporal ... , and hydroacoustic data arranged in different temporal groupings (annual, summer-winter, monthly). The ... data. Plans for extending the models and data in the upcoming year include modifying the code to make ...
Meeting Document : WG-SAM-14/20 : Autor(es): D. Kinzey, G.M. Watters and C.S. Reiss (USA)
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Population structure of the Antarctic toothfish, Dissostichus mawsoni from the Areas 58 and 88 in the Antarctic Ocean based on mitochondrial and microsatellite DNA markers
. mawsoni in this Antarctic region remains currently unknown. In the present study, we assess the population ... polymorphism (h =0.109, π =0.0002) with only eight COI haplotypes in 213 individuals, connected only by 1-3 ... stock structure of D. mawsoni in this region. The findings of this study will inform conservation ... Antarctic toothfish, Dissostichus mawsoni from the Areas 58 and 88 in the Antarctic Ocean based on ...
Meeting Document : WG-FSA-2019/36 : Autor(es): H.-K. Choi, J.E. Jang, S.Y. Byeon, S. Chung, S.-G. Choi, H. W. Kim and H.J. Lee
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Field identification guide to the main fishes caught in the Ross Sea longline fishery
longline boats fishing in the Ross Sea was prepared under the New Zealand Ministry of Fisheries Project ... guide was revised in 2007 following comments and suggestions from the users and now covers 27 taxa ... characters, e.g., liparids. Some species likely to be seen only in stomach contents of other fishes are ... . Sui (New Zealand) Title: Field identification guide to the main fishes caught in the Ross Sea ...
Meeting Document : WG-FSA-07/41 : Autor(es): P.J. McMillan, P. Marriott, S.M. Hanchet, J.M. Fenaughty, E. Mackay and H. Sui (New Zealand)
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Trends in breeding numbers and survival of black-browed (Thalassarche melanophrys) and grey-headed albatrosses (T. chrysostoma) breeding on Macquarie Island
-browed and grey-headed albatrosses breeding on Macquarie Island were described using historical data in ... impacted significantly by extra mortality due to fisheries activities. This is in contrast to most other ... significantly with areas of high fisheries activities. However, both species forage in areas of new and ... (Australia) Title: Trends in breeding numbers and survival of black-browed (Thalassarche melanophrys) and ...
Meeting Document : WG-FSA-04/48 : Autor(es): A. Terauds, R. Gales and R. Alderman (Australia)
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A revision of yield and catch controls for managing the mackerel icefish (Champsocephalus gunnari) fishery in the vicinity of Heard Island and McDonald Islands
Abstract: A recent 2000 survey of mackerel icefish in the vicinity of Heard Island enabled a ... revised estimate of yield for the coming 2 seasons. While the biomass of icefish appears lower than in ... altering the minimum size regulations at CCAMLR in 2001 to account for the potential for unassessed cohorts ... icefish (Champsocephalus gunnari) fishery in the vicinity of Heard Island and McDonald Islands Approval ...
Meeting Document : WG-FSA-00/41 : Autor(es): A. Constable, R. Williams, T. Lamb and E. van Wijk (Australia)
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Antarctic toothfish and macrourids are likely important prey of Arnoux’s beaked whales in the Ross Sea region
toothfish and the most-caught by-catch species, macrourids, in the Area 88 fishery are important components ... in the diet of the Arnoux’s beaked whale (Berardius arnouxii), which is a component of the Ross Sea ... macrourids are likely important prey of Arnoux’s beaked whales in the Ross Sea region Approval: Approved ...
Meeting Document : WG-EMM-09/15 : Autor(es): R.L. Brownell Jr and D.G. Ainley (USA)