Résultats de la recherche
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Alternative methods for determining subarea or local area catch limits for krill in Statistical Area 48
limit by evenly dividing the catch among subareas or by using historical catches to set limits can be ...
Meeting Document : WG-KRILL-92/16 : Auteur(s): G. Watters and R.P. Hewitt (USA)
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CCAMLR ecosystem monitoring and management: future work
Abstract: Harvesting of marine living resources in the Southern Ocean is managed by the ... ecosystem-based management procedures by summarising the gaps in the existing approach, the types of models ...
Meeting Document : WG-EMM-12/P05 : Auteur(s): A.J. Constable
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Network characterisation of the food-web of the Ross Sea, Antarctica
toothfish (Dissostichus mawsoni) in the region. We evaluate: (1) biomass and flow of organic matter by ... not resolved by this analysis. The Ross Sea food-web is a partially inverted biomass pyramid with a ...
Meeting Document : WG-EMM-12/53 : Auteur(s): M.H. Pinkerton and J.M. Bradford-Grieve (New Zealand)
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Diet and trophic niche of Macrourus spp. (Gadiformes, Macrouridae) in the Ross Sea region of the Southern Ocean
the food chain. Trophic level of Macrourus spp. was significantly affected by location and by size of ... . Overall, amphipods were the dominant prey found in Macrourus spp. stomachs with an index of relative prey ... opisthopterus). Minor prey found in stomachs included isopods, mysids, salps and polychaetes, with rocks and ... fragments of coral, echinoderm and shell also found. Stomach contents data provide evidence of both pelagic ...
Meeting Document : WG-EMM-12/P03 : Auteur(s): M.H. Pinkerton, J. Forman, D.W. Stevens, S.J. Bury and J. Brown
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A distribution-free model of length-frequency distribution to inform fishery stratification for integrated assessments
individual hauls as sampling units or after pooling hauls to sampling units defined by combinations of ... selectivity functions by gear, depth and sex in Division 58.5.2. Author(s): S. Candy, P. Ziegler and D ...
Meeting Document : WG-SAM-13/18 : Auteur(s): S. Candy, P. Ziegler and D. Welsford (Australia)
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A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997–98 to 2012–13
by a slight decline to 2013. Standardised CPUE indices in Subarea 88.2 showed a general decline from ... but have declined since 2005. The trend on the Slope appears to be confounded by the trend of some ...
Meeting Document : WG-FSA-13/48 : Auteur(s): S. Hanchet, S. Mormede and A. Dunn (New Zealand)
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A new bathymetric compilation for the South Orkney Islands, Antarctic Peninsula (49°–39°W to 64°–59°S): insights into the glacial development of the continental shelf
is dominated by seven glacially eroded troughs, marking the pathways of glacial outlets that once ... , indicating that a significant proportion of the shelf has been unaffected by glacial erosion. Using these ...
Meeting Document : WG-EMM-14/P01 : Auteur(s): W.A. Dickens, A.G.C. Graham, J.A. Smith, J.A. Dowdeswell, R.D. Larter, C.-D. Hillenbrand, P.N. Trathan, J.E. Arndt and G. Kuhn
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Evaluation of Antarctic krill biomass and distribution off the South Orkney Islands 2011-2015
Abstract: Annual acoustic trawl surveys for krill monitoring have been carried out by the ... krill. The low proportions are probably caused by shortcomings in the krill identification techniques ...
Meeting Document : WG-EMM-15/54 : Auteur(s): G. Skaret, B.A. Krafft, L. Calise (Norway), J. Watkins (UK), R. Pedersen and O.R. Godø (Norway)
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An integrated stock assessment for the Heard Island and the McDonald Islands Patagonian toothfish (Dissostichus eleginoides) fishery in Division 58.5.2
, longline and trap sub-fisheries. Compared to the 2014 assessment that was accepted by WG-FSA-14 to be used ... on by WG-SAM-14. The updated assessment model leads to a smaller estimate of the virgin spawning ...
Meeting Document : WG-FSA-15/52 : Auteur(s): P. Ziegler and D. Welsford (Australia)
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Summary of research voyages in the South Orkney Islands region in 2015/16
, in this region. The South Orkneys Ecosystems Studies cruise (SOES, Jan-Feb 2016) was led by the UK ... of the Antarctic Ecosystem cruise (SO-AntEco, Feb-Mar 2016) was led by the UK, and aimed to ... also aimed to map the locations and distributions of all species found that were identified as VME ...
Meeting Document : SC-CAMLR-XXXV/BG/28 : Auteur(s): Delegations of the United Kingdom and Norway