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Circumpolar connections between Antarctic krill (Euphausia superba Dana) populations: Investigating the roles of ocean and sea ice transport
critical food source and shelter, particularly in the early life stages. Advective modelling of transport ... potential roles of the ocean and sea ice in maintaining the observed circumpolar krill distribution. We show ... interaction with sea ice is important in determining the large-scale distribution of krill and its associated ... in the Southern Ocean. Krill have a close association with sea ice which provides access to a ...
Meeting Document : WG-EMM-07/P10 : Автор(ы): S.E. Thorpe, E.J. Murphy and J.L. Watkins (United Kingdom)
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Estimating the abundance of pack-ice seals off east Antarctica
helicopters to estimate the density of seals hauled out on the ice in survey strips. The probability of ... Abstract: A survey was undertaken to provide estimates of the abundance of crabeater, Ross and ... leopard seal populations in 1,500,000 km2 of pack-ice off east Antarctica between longitudes 60-150oE ... -linked dive recorders were deployed on a sample of seals to estimate the probability of seals being ...
Meeting Document : WG-EMM-05/23 : Автор(ы): C. Southwell (Australia), D. Borchers, C. Paxton (United Kingdom), B. de la Mare (Canada), P. Boveng (USA), A.S. Blix and E.S. Nordoy (Norway)
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Sensitivity analysis identifies high influence sites for estimates of penguin krill consumption on the Antarctic Peninsula
models of standing krill biomass and the design of a sustainable krill fishery for the Scotia Sea ... . Antarctic krill (Euphausia superba) is a significant component of diet for penguins breeding in this region ... in krill predation estimates. We use a comprehensive database of Antarctic penguin abundances to ... of pygoscelid penguins breeding in this region. We find that a high quality survey of Zavodovski ...
Meeting Document : WG-EMM-12/P02 : Автор(ы): H.J. Lynch, N. Ratcliffe, J. Passmore, E. Foster and P. N. Trathan
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Proposal to standardise the submission of meeting documents to working groups
this would result in a standard set of guidelines for the submission of meeting documents to working ... Abstract: At the request of the Scientific Committee, the Secretariat has prepared a single ... reference document which provides guidelines for the submission of meeting documents to the Scientific ... Committee, WG-EMM and WG-FSA (including ad hoc WG-IMAF). In doing so, the Secretariat noted some Working ...
Meeting Document : WG-FSA-05/15 : Автор(ы): Secretariat
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Experimental acoustic estimation of bathypelagic fishes biomasses from the South Georgia and Shag Rock shelf areas with trawl sampling (RV Atlantida, February 1996)
, data of biological and oceanologica3 researches are presented. The data on target strengths obtained in ... stations location, catch length compostion, per cent proportion of various fish species in trawls samples ... - situ for icefish (Champsocephalus gunnari), the latter per cent proportion in trawl catches, velocity ... and length-weight factors, affecting the genera3 estimation of biomass are analysed. Author(s ...
Meeting Document : WG-FSA-96/59 : Автор(ы): Sunkovich, V. Yu., Frolkina, G.A., Severin, V.A., Abramov, A.M., Yorobyov, V.M., Polischuk, M.I., Bukatin, P.A., Shnar, V.N.
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Revision of the fishery–foraging overlap model
Secretariat was tasked with the revision of the model, including modifications to the model in terms of both ... adjustments to temporal aspects of the underlying model and changes in the form of the index of overlap. The ... Abstract: The fishery-foraging model of Agnew and Phegan (1995) was reviewed by the Working Group ... on Ecosystem Monitoring and Management and its Subgroup on Statistics in 1997. The review found that ...
Meeting Document : WG-EMM-98/05 : Автор(ы): Secretariat
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Performance metrics to index the spatial coverage of mark-recapture data
measures of spatial overlap and potential bias in the development of tag-based biomass estimates are an ... measure of the potential bias in the biomass estimate calculated from non-homogenous spatial mark ... include a measure of the total spatial distribution of effort through time in research or developing ... fisheries, and a measure of the change in bias of mark-recapture estimates through time. Author(s): C ...
Meeting Document : WG-SAM-16/13 : Автор(ы): C. Marsh, A. Dunn and S. Mormede
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Climate change and the role of CCAMLR
adapting fishing strategies. ASOC advocates that the role of CCAMLR in the climate change context continues ... 5) providing leadership in reducing the emissions of greenhouse gases during the course of fishing ... Abstract: Abstract Fishing magnifies the sensitivity of ecosystems to the effects of climate ... change. In the Southern Ocean, CCAMLR has the capacity to reduce this sensitivity by appropriately ...
Meeting Document : CCAMLR-XXIX/BG/19 : Автор(ы): ASOC Observer
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Potential climate change effects on the habitat of Antarctic krill
in growth habitat within the range of predators, such as Antarctic fur seals, foraging from breeding ... than the direct effects of warming. A reduction in primary production could lead to further habitat ... degradation but even a 50% increase in chlorophyll would not completely negate the degradation of habitat ... resource and a major prey item for many fish, birds and mammals in the Southern Ocean. The fishery and the ...
Meeting Document : WG-EMM-13/20 : Автор(ы): S.L. Hill, T. Phillips and A. Atkinson (United Kingdom)
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A TALE OF TWO ISLANDS: CONTRASTING FORTUNES FOR SUBANTARCTIC SKUAS AT THE PRINCE EDWARD ISLANDS
in 2008, whereas the number of skua nests on Marion Island was barely half that counted in 2001 ... removal of cats from Marion Island in the early 1990s has benefited the major native predator of burrowing ... -Antarctic islands, and can be used to monitor the health of burrowing petrel populations. A survey of skuas ... at the Prince Edward Islands was conducted during December 2008, repeating a previous survey in ...
Meeting Document : WG-EMM-10/P3 : Автор(ы): P.G. Ryan, P.A. Whittington and R.J.M. Crawford
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