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Absence of haematozoa in breeding macaroni Eudyptes chrysolophus and rockhopper E. chrysocome penguins at Marion Island
Abstract: Haematozoan infections cause the death of penguins in captivity, but seldom in the wild ... October and November 2001. Discussion centres on the possibility of vector introduction and establishment ... (South Africa) Title: Absence of haematozoa in breeding macaroni Eudyptes chrysolophus and rockhopper E ... . No haematozoa were found in 89 blood smears taken from macaroni penguins Eudyptes chrysolophus or 80 ...
Meeting Document : WG-EMM-03/19 : Автор(ы): A. Schultz and S.L. Petersen (South Africa)
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REVISED ASSESSMENT OF TOOTHFISH STOCKS IN DIVISIONS 58.4.1, 58.4.2
paper presents a detailed study of the catch and effort trends in Divisions 58.4.1 and 58.4.2 and ... number of consecutive years with the tagging of toothfish a prerequisite for the legal fishery. This ... . López Abellán (Spain) Title: REVISED ASSESSMENT OF TOOTHFISH STOCKS IN DIVISIONS 58.4.1, 58.4.2 ... Abstract: Exploratory fisheries for Dissostichus spp. have been operating in these regions for a ...
Meeting Document : WG-FSA-08/43 : Автор(ы): D.J. Agnew, C. Edwards, R. Hillary, R. Mitchell (UK) and L.J. López Abellán (Spain)
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A study of Patagonian toothfish (Dissostichus eleginoides) post tagging survivorship in Subarea 48.3
animals were included in the final analysis, with an overall survivorship of 89%. There were significant ... Abstract: During the 2005 fishing season experiments on the survivorship of post-tag toothfish ... , and then were kept in tanks with varying degrees of seawater replacement for at least 12 hours after ... tag effectively and, perhaps, in experiments such as this if handling stress is increased. The results ...
Meeting Document : WG-FSA-05/19 : Автор(ы): D. J. Agnew, J. Moir Clark, P.A. McCarthy, M. Unwin, M. Ward, L. Jones (United Kingdom), G. Breedt, S. Du Plessis, J. Van Heerdon (South Africa) and G. Moreno (Spain)
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Management of C. gunnari in Subarea 48.3
Abstract: The management of Champsocephalus gunnari at South Georgia is complicated by the ... likelihood of substantial periodic variation in natural mortality rates. These may be associated with ... increased consumption of icefish by Antarctic fur seals in years of poor krill availability. Thus natural ... mortality of icefish may, in some years, increase by a large factor (assumed here to be 4) declining to ...
Meeting Document : WG-FSA-97/38 : Автор(ы): Kirkwood, G.P., Parkes, G.B., Everson, I., Agnew, D.J.
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Notifications of intent to participate in a new or exploratory fishery, or an established krill fishery, 2018/19
details of all fishery notifications, including related documents, can be viewed on the CCAMLR website ... . Author(s): CCAMLR Secretariat Title: Notifications of intent to participate in a new or exploratory ... Abstract: The Secretariat received fishery notifications for exploratory fisheries for toothfish ... and established fisheries for krill for 2018/19. No notifications were received for new fisheries. The ...
Meeting Document : CCAMLR-XXXVII/BG/06 : Автор(ы): CCAMLR Secretariat
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Preliminary tag-recapture based population assessment of Antarctic toothfish in Subarea 48.4
Abstract: The stock of Antarctic toothfish (D. mawsoni) in CCAMLR subarea 48.4 was conservatively ... estimated from tagging returns to be 1068.7 tonnes. In previous years the harvest rate used for Patagonian ... would imply a 2016/17 yield of 40.6 tonnes compared to the 2015/16 TAC of 39 tonnes. Author(s): S ... of Antarctic toothfish in Subarea 48.4 Approval: Approved Secretariat Workflow Status: Content ...
Meeting Document : WG-FSA-16/39 : Автор(ы): S. Wright, N. Walker, M. Söffker and T. Earl
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Update on Patch v2: a simulation program in R for evaluating spatial management strategies to conserve structure and function of ecosystems
Abstract: Version 2 of Patch is available. Patch is a simulation program in R for evaluating ... program in R for evaluating spatial management strategies to conserve structure and function of ecosystems ... spatial management strategies to conserve structure and function of ecosystems. Patch has been defined ... vulnerable marine ecosystems. This paper includes the revised manual for Patch, which describes its ...
Meeting Document : WG-SAM-10/09 : Автор(ы): A.J. Constable (Australia)
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Tooth growth in male Antarctic fur seals (Arctocephalus gazella) from South Georgia: an indicator of long-term growth history
) and increased with age at death. Changes in the growth pattern of teeth suggested that fur seals which ... each layer was deposited. There was significant variation in the depth of tooth growth layers deposited ... in longitudinal sections of teeth. Mean age at death was 7∙69 ± 0∙07 years and this showed a small ... provided an indication of body growth, Tooth growth rate was lowest in seals which died early (age 4 years ...
Meeting Document : WG-CEMP-93/11 : Автор(ы): I.L. Boyd and J.P. Roberts (United Kingdom)
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Net escapement of Antarctic krill in trawls
Abstract: This document describes the aims and methodology of a three year project (commenced in ... 2012) entitled Net Escapement of Antarctic krill in Trawls (NEAT). The study will include a morphology ... . Results will be used to quantify the theoretic catch efficiency and escape mortality in different net ... (Denmark), A. Engås, S. Nordrum and S. Iversen (Norway) Title: Net escapement of Antarctic krill in trawls ...
Meeting Document : WG-EMM-12/24 : Автор(ы): B.A. Krafft (Norway), L.A. Krag, B. Herrmann (Denmark), A. Engås, S. Nordrum and S. Iversen (Norway)
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Movement of Patagonian toothfish (Dissostichus eleginoides) in Subarea 48.3
data. Data from 33,322 tag releases and 4,203 tag recaptures were used. The mean movement rate of both ... Abstract: Movement of Patagonian toothfish in Subarea 48.3 was investigated using tagging program ... between male and female fish of the same maturity category. Male and females with developed, ripe and ... significant negative positive correlation between movement rate and local toothfish density at the point of ...
Meeting Document : WG-SAM-12/19 : Автор(ы): T. Peatman, S.M. Martin, J. Pearce and R.E. Mitchell (United Kingdom)
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