Search results
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THE POWER OF ECOSYSTEM MONITORING
% power after 20 years with the probability of a type I error (α) = 0.05). The power increased to >50 ... % power after 20 years with the probability of a type I error (α) = 0.05). The power increased ... the effects of fishing using either the krill population or a combined predator response index was low (20–40 ... of fishing using either the krill population or a combined predator response index was low (20–40 ...
Meeting Document : WG-EMM-08/P11 : Author(s): K. Reid, J.P. Croxall and E.J. Murphy
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Proposal for an extension to the mark-recapture experiment to estimate toothfish population size in the South of Subarea 48.4
Abstract: A three‐year tagging study in the South of Subarea 48.4 was initiated in the 2008/09 ... of 238 Amblyraja georgiana were tagged and released in 2010 and 3 were recaptured; Approximately 20 ... experiment in the South of Subarea 48.4 in 2010/11 with a reduced TAC of 30 tonnes. Author(s): J. Roberts ... A three‐year tagging study in the South of Subarea 48.4 was initiated in the 2008/09 fishing season ...
Meeting Document : WG-FSA-10/40 : Author(s): J. Roberts and D. Agnew (UK)
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Acoustic estimates of krill biomass in the Elephant Island area: 1981–1993
for the years 1981 to 1993 (with the exception of 1982 and 1986). Estimates for 1981 to 1991 are based ... density over the 13-year period were 1 703 x 103 tonnes and 53.2 g/ 2. File: 01hewitt-demer.pdf ... Acoustic estimates of krill biomass in the vicinity of Elephant Island are presented for the years ... ) and biomass densities range from 2.5 g/m2 to 134.5 g/m2. Average biomass and average density over the 13-year ... out of seven cases the change in density from one year to the next matches the sign of recruitment ... men6es de janvier 2 mars a proximite de l'ile Elephant. L'abondance des classes d'ages est egalement ... in the vicinity of Elephant Island are presented for the years 1981 to 1993 (with the exception of 1982 and 1986 ... g/m2. Average biomass and average density over the 13-year period were 1 703 X 103 tonnes and 53.2 ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 1–5 : Author(s): Hewitt, R.P. and D.A. Demer
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Modelling egg and larval transport of Antarctic Toothfish (Dissostichus mawsoni) in the East Antarctic region: Plan
Abstract: Antarctic Toothfish (Dissostichus mawsoni) is one of the target species that CCAMLR ... Antarctic Toothfish (Dissostichus mawsoni) is one of the target species that CCAMLR sets catch ... years unique satellite product data and ocean model output data. This work examines not only passive ... years unique satellite product data and ocean model output data. This work examines not only passive ...
Meeting Document : WG-SAM-2019/20 : Author(s): M. Mori, K. Mizobata, T. Okuda and T. Ichii
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Estimating krill recruitment and its variabiliity
of the Southern Ocean give a mean recruitment rate for one year old krill of 0.339 with a standard deviation ... recruitment rate for one year old krill of 0.339 with a standard deviation of 0.100. The corresponding results ... of 0.100. The corresponding results for two year old krill from 9 surveys are 0.552 and standard deviation ... for two year old krill from 9 surveys are 0.552 and standard deviation 0.074. A number of the assumptions ...
Meeting Document : WG-KRILL-93/12 : Author(s): W. de la Mare (Australia)
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Report to the Scientific Committee for the Conservation of Antarctic Marine Living Resources on the outcomes of the EU-H2020 Project ‘Mesopelagic Southern Ocean Prey and Predators (MESOPP)’ and its utility to SC-CAMLR
Abstract: The objective of the MESOPP project ‘Mesopelagic Southern Ocean Prey and Predators039 ... and Australia through two implementation actions Propose a R&D roadmap to support a large international ... Committee for the Conservation of Antarctic Marine Living Resources on the outcomes of the EU-H2020 Project ... and Australia through two implementation actions Propose a R&D roadmap to support a large international ...
Meeting Document : SC-CAMLR-38/BG/30 : Author(s): A.J. Constable, P. Lehodey and P. Koubbi
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Unhappy feet: the reduction of Adélie and chinstrap penguin populations in the West Antarctic Peninsula/Scotia Sea
penguin populations have declined more than 50% during the last 30 years at study colonies in the South ... populations have declined more than 50% during the last 30 years at study colonies in the South Shetland ...
Meeting Document : CCAMLR-XXX/BG/21 : Author(s): Submitted by ASOC
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Review of length-weight relationships for Antarctic krill
length-weight relationships based on data collected during a minimum period of one month (Table ... ) F 0.00352 3.144 all stages (one example out of several stations) M 0.00423 3.170 31-55 92 3B gravid ... nOJIOB03peJIOCTH YJIY4maeT T04HOCTb BbI4HCJIeHHH OTHomeHHH ",lIJIHHa/Bec". 06cY}l{,lIaeTC5I BJIH5IHHe ce30 ... HHbIX H3MeHeHHH B napaMeTpax ",lIJIHHa/Bec". ,llaeTC5I p5I,lI peKoMeH,lIal.\HH no HCnOJIb30BaHHIO npHBe,lleHHbIX ... -weight relationship calculations is improved when information on sex and dominant maturity stages is ... taken into account. The influence of seasonal changes on length-weight relationship parameters is ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 145–155 : Author(s): Siegel, V.
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CEMP cameras data validation experiment at the Galindez Island gentoo penguin (Pygoscelis papua) colonies
Abstract: The two seasons of the data validation experiment provided for pictures from time-lapse ... ) penguin colonies are discussed. During 2017/18 and 2018/19 seasons, biologists-winterers at Vernadsky ... The two seasons of the data validation experiment provided for pictures from time-lapse cameras ... are discussed. During 2017/18 and 2018/19 seasons, biologists-winterers at Vernadsky station (Galindez Island ...
Meeting Document : WG-EMM-2019/59 : Author(s): P. Khoetsky, A. Dzhulai, V. Smagol, G. Milinevsky, I. Dykyy, A. Simon, M. Telipska, E. Dykyi, I. Parnikoza and L.Pshenichnov
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Choosing distance between acoustic survey tacks
of analysis of data from actual hydroacoustic surveys. The model consists of two parts, one imitating ... of the relative biomass assessment error ° (in fractions of one) to the density values variation coefficient ... k. If one can detect the direction of elongation of concentrations, then the typical ratio ... S, v, k and a are not accurate, the actual biomass assessment error may differ from the given one, and is estimated ... on the basis of typical size of the surveyed region, allowable relative error in the biomass estimate ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 153-164 : Author(s): Kalikhman, I.L., Z.I. Kizner, B.R. Zaripov and W.D. Tesler