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Network characterisation of the food-web of the Ross Sea, Antarctica
trophic level; (2) mixed trophic impact; and (3) ecological importance. Note that the analysis considers ... not resolved by this analysis. The Ross Sea food-web is a partially inverted biomass pyramid with a ... the total living biomass in the Ross Sea (bacteria excluded). The six groups with the highest ‘indices ... importance in the Ross Sea food-web. These eight groups should be the priorities for monitoring for large ...
Meeting Document : WG-EMM-12/53 : Автор(ы): M.H. Pinkerton and J.M. Bradford-Grieve (New Zealand)
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Report on an Antarctic cetacean survey on board a Chilean fishing vessel in February 2016
, 35 sightings of mainly mixed-species groups and feeding aggregations of large whales were observed ... survey show that the areas around the Southern Orkneys and Elephant Island are important feeding grounds ... for fin-, humpback and, to a lesser extent, sei whales. If any fishing effort is to be undertaken in ... these areas, no disturbance within these comparably small areas of high animal density should be ...
Meeting Document : WG-FSA-16/19 : Автор(ы): S. Viquerat, H. Herr, K.-H. Kock and P. Arana
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Aide memoire: Balleny Islands
. New Zealand hopes that through a fully consultative process with CCAMLR partners, a new proposal which ... of protection. New Zealand039;s past proposals have not yet achieved consensus support and the ... represents the best method of protecting the important values of the Balleny Islands would be developed for ... marine areas under both the CCAMLR and the ATCM039;s Environmental Protocol regimes. Author(s ...
Meeting Document : WG-EMM-01/71 : Автор(ы): Delegation of New Zealand
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Infectious diseases and parasites of Antarctic and sub Antarctic penguins and the implications for CEMP
monitored we suggest that health of monitored species also should be considered in CEMP. Author(s): J ... . Haematological and biochemical values for healthy penguins which may be of use in diagnosis are presented also ...
Meeting Document : WG-CEMP-94/34 : Автор(ы): J. Clarke and K. Kerry (Australia)
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An assessment of toothfish in Subarea 48.3 using CASAL
45,893 t, and the spawning stock biomass was estimated to be 120,360 t, around 67% of its unexploited ... 49,943 t, and the spawning stock biomass was estimated to be 100657 t, some 64% of its unexploited level ... , with an extensive range of sensitivity tests and examination of diagnostics. A baseline assessment ... fleets with different selectivities, and fitted to catch length frequencies, tag recapture data, CPUE ...
Meeting Document : WG-FSA-05/16 : Автор(ы): R.M. Hillary, G.P. Kirkwood and D.J. Agnew (United Kingdom)
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Proposal for a skate tagging program in the Ross Sea region to estimate the local biomass trend for starry skates (Amblyraja georgiana)
/17 fishing season, noting that on average 89% of skates by weight are released alive (45 of 51 t ... hence we recommend that a 2-year skate tagging programme in the Ross Sea region be used to provide ... annually). Catch data show that most of the skate catch consists of Amblyraja georgiana and that this ... species is the only one with enough mark-recapture data to examine movement patterns and estimate local ...
Meeting Document : WG-FSA-18/38 Rev. 1 : Автор(ы): S. Parker and M. Francis
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On problem of natural subdividing of Antarctic krill’s geographic area (an application to the monitoring of fishing)
membership crustacean to that or another stock on the basis of recent knowledges. Problem may be solved, if ... Abstract: The possibilities of natural regionisation of antarctic krill039;s geographic area ... with emphasis on fisheries regions distribution are considered on the base of consisting data of ... spatial structure of krill039;s geographic area. More then 43% of regions, where usually present ...
Meeting Document : WG-KRILL-93/37 : Автор(ы): R.R. Makarov and L.L. Menshenina (Russia)
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Krill aggregation characteristics: spatial distribution patterns from hydroacoustic observations. Polar Biology (in press)
biomass was log-normally distributed with a mean of 0.18 t. Only 3% of the aggregations were heavier than ... that these could be useful in the development of fisheries-dependent indices of krill abundance. Polar ... 1 t. The aggregations were on average 4.2 km apart along-track, and on 10 of the 15 survey days were ... aggregations heavier than 1 t, and of aggregations 20 km on either side of such aggregations was similarly ...
Meeting Document : WS-KCPUE-89/11 : Автор(ы): D.G.M. Miller and I. Hampton (South Africa)
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Albatross mortality and associated bait loss in the Japanese longline fishery in the Southern Ocean
, it would be many millions of dollars greater. Apart from a concern for albatrosses, Japan039;s ... ill the problem is possible and that an overall reduction in excess of 90% could be achieved. Further ... longlines in southern oceans in 44 000. The actual figure could be double and is sufficiently high to ... substantiate claims that serious declines in albatross populations are due to this fishing activity ...
Meeting Document : WG-IMALF-94/06 : Автор(ы): Brothers, N. 1991. Biol. Conservation, 55: 255-268.
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Albatross mortality and associated bait loss in the Japanese longline fishery in the Southern Ocean
, it would be many millions of dollars greater. Apart from a concern for albatrosses, Japan039;s ... in the problem is possible and that an overall reduction in excess 0f 90 % could be achieved. Further ... longlines in southern oceans is 44, 000. The actual figure could be double and is sufficiently high to ... substantiate claims that serious declines in albatross populations are due to this fishing activity ...
Meeting Document : CCAMLR-IX/BG/17 : Автор(ы): Delegation of Australia
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