Resultados de la búsqueda
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Incorporating climate change into CCAMLR’s decisionmaking processes
working papers, even though climate change and ocean acidification are relevant to a wide range of policy ... submission of new or revised legislation or regulations when an issue has relevance to a broad spectrum of ... decisions. ASOC therefore recommends that CCAMLR adopt a resolution urging Members to include a climate ...
Meeting Document : CCAMLR-XXXIII/BG/21 : Autor(es): Submitted by ASOC
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Population variability of biological parameters of penguins along the Antarctic Peninsula
Abstract: A collection of published papers about population variability of several biological ... contribute to the general knowledge of penguin biological variation, to generate a data baseline in the ... parameters, higher abundance of ectoparasites and a higher stress in northern populations. Contaminant levels ... well. Author(s): A. Barbosa Title: Population variability of biological parameters of penguins along ...
Meeting Document : WG-EMM-2019/72 : Autor(es): A. Barbosa
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Fish and invertebrate by-catch from Australian fisheries for D. eleginoides and C. gunnari in Division 58.5.2
Islands in CCAMLR Statistical Division 58.5.2. These comprise a trawl and a longline fishery for the ... Patagonian toothfish, Dissostichus elegionoides and a trawl fishery for mackerel icefish, Champsocephalus ... . Preliminary results from a rajid tagging program are also presented. Total removals of by-catch in the trawl ... fisheries are estimated to be very low. From 1996/1997 to 2002/2003, a total of 115 tonnes of by-catch was ...
Meeting Document : WG-FSA-03/73 : Autor(es): E.M. van Wijk and R. Williams (Australia)
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Longline sink rates of an autoline vessel, and notes on seabird interactions
Abstract: A series of longline sink-rate trials were conducted with and without weights, from an ... . Further trials were conducted with weights added to the longline as in normal fishing operations. A robust ... attachment method for Time Depth Recorders was developed. A tori line was used at all times by the vessel ... having swallowed a baited hook. Fourteen species of large seabird and 5 species of small seabird were ...
Meeting Document : WG-FSA-01/44 : Autor(es): N.W.McL. Smith (New Zealand)
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Characterisation of the Antarctic polar frontal zone to the north of South Georgia in summer 1994
the northern edge of the Antarctic Circumpolar Current (ACC). In a number of areas the position of the ... northwest of South Georgia and from a pair of shorter transects south of the PF but north and east of the ... first. Associated with the PF was a narrow, high-speed flow embedded in broader, slower moving regions ... . This high-speed flow was found to have a geostrophic component of velocity that was slower than ...
Meeting Document : WG-EMM-97/40 : Autor(es): Brandon, M.A., Trathan, P.N., Murphy, E.J.
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Milk fatty acid signatures indicate both major and minor shifts in foraging ecology of lactating Antarctic fur seals
prey intake which correspond with changes observed in diving and foraging behavior during a poor food ... results confirm that adult female fur seals have a distinctly different diet prior to parturition while ... away from breeding grounds and likely switch to a diet of krill during lactation. Additionally, at ... least in a poor food year, fur seals do not feed exclusively on krill throughout lactation but rather ...
Meeting Document : WG-EMM-97/14 : Autor(es): Boyd, I.L., Iverson, S.J., Arnould, J.P.Y.
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Alternative methods for determining subarea or local area catch limits for krill in Statistical Area 48
Abstract: CCAMLR Conservation Measure 32/X sets a 1.5 million metric ton precautionary catch ... alternative. The probability of adverse impact on dependent species is minimized when a high amount of ... tradeoff to be important: choosing a biologically explicit alternative and delaying implementation, or ... choosing a biologically unrealistic alternative and implementing a management scheme immediately. We ...
Meeting Document : WG-KRILL-92/16 : Autor(es): G. Watters and R.P. Hewitt (USA)
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Network characterisation of the food-web of the Ross Sea, Antarctica
Abstract: A balanced ecosystem model is used to explore the system-level characteristics of the ... , i.e. the whole Ross Sea shelf and slope area, averaged over a typical year, and in 35 trophic groups ... not resolved by this analysis. The Ross Sea food-web is a partially inverted biomass pyramid with a ... pronounced peak in biomass in the lower-middle part of the food-web, a result of high biomass of ...
Meeting Document : WG-EMM-12/53 : Autor(es): M.H. Pinkerton and J.M. Bradford-Grieve (New Zealand)
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Assessment models for Patagonian toothfish in Division 58.4.4, SRU C on Ob and Lena Banks for the years 1989/90 to 2012/13
eleginoides in SSRUs C in Division 58.4.4 a & b (WG-SAM-13/21) following several advices during the last ... /21), and a combined value of over-dispersions were used for all tag-release years (2008 and 2010‒12 ... -length using regression line between coefficient variances estimated by a bootstrap procedure and ... Japanese trotline system showed the captures of an adequate number of single-hooked fish in a state ...
Meeting Document : WG-FSA-13/35 : Autor(es): K. Taki (Japan)
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Aspects of the ecology of the bigeye grenadier at South Georgia
estimates suggest that M. holotrachys is a long lived and moderately slow growing species, reaching ages of ... , an average number for a macrourid of this size. A highly skewed sex ratio of 33:1 females: males was ... suggested that females are far more susceptible to longline capture than males. M. holotrachys is a bentho ... - pelagic predator/scavenger that feeds on a wide range of fish and invertebrates. Author(s): S.A. Morley ...
Meeting Document : WG-FSA-03/16 : Autor(es): S.A. Morley, T. Mulvey, J. Dickson and M. Belchier (United Kingdom)