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ECOSYSTEM SERVICES OF THE SOUTHERN OCEAN
resources, and the regulation of global climate and sea level. Assessing ecological processes in terms of ... the Southern Ocean ecosystem is generally under-represented in assessments of ecosystem services at ... making processes within the ATS are in many ways pre-adapted to deliver evidence-based policy which takes ... gathering work which has been conducted to support decision making in the Antarctic context could relatively ...
Meeting Document : WG-EMM-11/21 : Автор(ы): S.M. Grant, S.L. Hill and P.N. Trathan (UK)
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A proposal for streamlining the work of the Scientific Committee for the Conservation of Antarctic Marine Living Resources
in different working groups. There is also a need to give time to emerging issues for which there is ... insufficient time at present in the existing working groups, such as consideration of marine protected areas in ... the use of marine protected areas in the CCAMLR context, ii) Development of assessment methods – to ... Fishing could be spread across all three with a more dedicated report in the Assessment working group as ...
Meeting Document : WG-EMM-05/35 : Автор(ы): A.J. Constable (Australia)
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Satellite tracking of black-browed and light-mantled sooty albatrosses from Heard Island and potential interactions with fisheries
foraged on the shelf break within 150 km of Heard Island, and focused 75% of their foraging time in waters ... date in the longline fishery), although in 2005 seven black-browed albatrosses were killed in the ... a further 5% went beyond either EEZ into the high seas north and east of Heard Island. In contrast ...
Meeting Document : WG-FSA-05/14 : Автор(ы): K. Lawton, R. Kirkwood and G. Robertson (Australia)
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Antarctic fur seal population dynamics update and assessment of census error at SSSI No. 32, Livingston Island, South Shetlands, Antarctica (2000/2001)
of Antarctic fur seals, Arctocephalus gazella, in the South Shetland Archipelago. Since all censuses ... was developed for assessing uncertainties in the estimates of the counts (inter and intra-observer ... identified and corresponded to beaches in which variation cannot be entirely attributed to inter-observer ... censuses in a considerable way. These factors should all be assessed and taken into account when ...
Meeting Document : WG-EMM-01/49 : Автор(ы): R. Hucke-Gaete (Chile)
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Foraging partitioning between giant petrels Macronectes spp. and its relationship with breeding population changes at Bird Island, South Georgia
females in both species. Sex differences agree with previous observations on diet and on attendance at ... may be reduced by the limited overlap in the activity range, with southern giant petrels foraging ... further south than northern giant petrels, suggesting some spatial partitioning in foraging areas. Male ... during the breeding season on fur seals, which have increased exponentially in recent years, may be ...
Meeting Document : WG-FSA-99/39 : Автор(ы): J. González-Solís, J.P. Croxall and A.G. Wood (United Kingdom)
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EFFECT OF STERN-SETTING TUNNEL ON THE SINK RATE OF INTEGRATED WEIGHT LONGLINE (IWL)
steel tube, built in to the longliner during a dry-dock refit. The tube angles downwards from where the ... line exits the baiting machine, which is positioned in the aft section of the stern setting deck, to ... longlines, conforming to the CCAMLR standard specified in conservation measure 24-02, is planned to be ... tested in a series of sets using time-depth recorders during current sea-trials and approximately three ...
Meeting Document : WG-FSA-08/38 : Автор(ы): I. Hay and G. Robertson (Australia)
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Net sample validation of acoustic techniques used to identify and size Antarctic krill
species groups has been attempted using differences in echo strength at two acoustic frequencies (ΔMVBS ... ). Here we compare net and acoustic data from 2 cruises around South Georgia in 1996 in order to assess ... echo-charts were also identified as krill on the basis of their difference in backscatter at 38 and 120 ... frequency data and compared with that obtained in net hauls. This comparison revealed that a simplified bent ...
Meeting Document : WG-EMM-97/46 : Автор(ы): Watkins, J.L., Brierley, A.S.
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Trophic relations of the cephalopod Martialia hyadesi (Teuthoidea: Ommastrephidae) at the Antarctic Polar Front, Scotia Sea
Sea in February 1989. The dissected stomachs of 61 specimens were classified according to fullness and ... items in the squid's diet were the myctophid fishes Krefftichthys anderssoni and Electrona ... squid mantle length. Over the size range of squid in the sample there was no relationship between size ... preference was related to squid size. The prevalence of copepod-feeding myctophids in the diet of this squid ...
Meeting Document : SC-CAMLR-XI/BG/11 : Автор(ы): Delegation of United Kingdom
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Possible effects of different levels of fishing on krill on predators - some initial modelling attempts
Meeting of the CCAMLR's WG-Kril1 and WG-CEMP in 1992 to address this issue. First. estimates are made ... developed, in which krill abundance fluctuations impact the predator population, but not vice versa ... . Computations based on this model indicate that variability in the annual recruitment of krill results in ... predator population dynamics information in the context of the models developed, and about the model1ing of ...
Meeting Document : WG-KRILL-93/43 : Автор(ы): D.S. Butterworth and R.B. Thomson (South Africa)
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Quantitative stock survey and some biological and morphometric characteristics of the deep-sea red crab Geryon quinquedens off south west Africa
Abstract: In order to assess the abundance of the red crab Geryon quinquedens, two otter-trawl ... cruises were undertaken in July and September 1978, on the continental slope off South West Africa. A ... width, whereas the mode for males was at 11.2 cm. In general. larger animals tended to inhabit shallower ... states indicated that males were predominantly in the inter-moult stage while most females were either ...
Meeting Document : WS-CRAB-93/22 : Автор(ы): C.J. De B. Beyers and C.G. Wilke (South Africa)
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