Search results
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Antarctic seafloor geomorphology as a guide to benthic bioregionalisation
to produce a meaningful benthic bioregionalisation for an area as poorly known as the Antarctic continental ... the Antarctic is that there is enough data to available already to produce a meaningful benthic ...
Meeting Document : SC-CAMLR-XXVI/BG/27 : Author(s): Delegation of Australia
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The Kerguelen database
. Conservation measures established for this species have been in force for several years. In recent years ... . A decrease of the mean length is obvious. The actual mean length is less than the length at first maturity ... IIlITlALE IIIU/"~ lu= 313~3 nAl!.FINALE j1/12/R~ 11= 3107. LIHI1ES ET ~AILLAGE OF·LA ZONE 5fLECTJO~NEE ... and biological data for the Kerguelen EEZ has been operating in France since 1979. At the end of the ... representation of these data is presented for several parameters including a distribution of the fishing effort ... , Notothenia squamifrons, N. rossii and Dissostichus eleginoides) represent about 99% of the total catches ... . Length frequency distributions of the species are also provided for the period 1979/80–1985/86. File: 02 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 23-54 : Author(s): Duhamel, G.
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Results of fish stock assessment survey, South Georgia, December 1987 - January 1988
). The Commission for the Conservation of Antarctic Marine Living Resources has adopted a set of measures aimed ... of the catch was from stratum 2 (15/31/1 *)(Table 1). The stratified mean catch per tow was 27.7 kg ... and the population was estimated to be 15086 mT at South Georgia. At Shag rocks the mean catch per tow was 18.2 kg ... 1). The stratified mean catch per tow was 20.9 kg and the population was estimated to be 11412 mT. This estimate ... complements earlier surveys in the same area and showed that most of the stocks are continuing to decline ... Paper Title: Results of fish stock assessment survey, South Georgia, December 1987- January 1988 ... Abstract / Description: Commercial fish stocks around South Georgia have been declining since the early ... . Notothenia rossii is showing no signs of recovery and Champsocephalus gunnari is likely to continue declining ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 19-52 : Author(s): McKenna, Jr., J.E. and S.B. Saila
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A hybrid approach to acoustic classification and length estimation of krill
components are the mean ratios of the volume backscattering coefficients, measured at two different ... components are the mean ratios of the volume backscattering coefficients, measured at two different ... are the mean ratios of the volume backscattering coeffi cients, measured at two different frequencies ... (Δfj / fi ) of mean volume backscattering coeffi cients measured at two different frequencies (fj, fi ... /c) j if f is the geometric mean of the acoustic wave number (c = speed of sound in m/s; fj , fi = selected frequencies ... %, for a given dΔ. The mean length (L) of a euphausiid with equivalent radius (afj / fi ) can be estimated ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 33–58 : Author(s): Azzali, M., I. Leonori and G. Lanciani
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Benchmarking CCAMLR
cohesive structure and apportioning of their work schedules. The discussions to be held at the 2016 ... (paragraph 10.4). However, due to time constraints in 2014 the circle was not completed and the advice from ... WG-SAM and WG FSA has not been reviewed by Scientific Committee. Author(s): Delegation of the United ... the opportunity to develop a CCAMLR stock assessment and advice benchmarking process. The need for ...
Meeting Document : SC-CAMLR-XXXV/BG/31 : Author(s): Delegation of the United Kingdom
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Krill community studies using net and hydroacoustic sampling techniques
abundance of krill. In an attempt to address the effect that variability in sampling gear type may have on ... of these types of samp1ing gear commonly used in the Antarctic has been initiated. Author(s): J.R ... Abstract: Hydroacoustic and net sampling data were used to determine the distribution and ...
Meeting Document : SC-CAMLR-VI/BG/45 : Author(s): J.R. Green, J. Wormuth and V. Loeb (USA)
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Background papers considered relevant to the WG-EMM discussions on feedback management
(MAPPPD) which is on a publicly available website (Humphries et al. In Press). The data summary and ... analysis together with the methods described within Lynch et al. (2010), provide methods that are of direct ... Peninsula Polar Biol (2010) 33:493–503. Author(s): Delegation of the United Kingdom Title: Background ... Abstract: The United Kingdom has contributed funding to the US-based non-governmental ...
Meeting Document : WG-EMM-16/44 : Author(s): Delegation of the United Kingdom
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Empirically-driven feedback management incorporating multi-scale risk assessment and an experimental framework to facilitate adaptive improvement
merit in terms of the utility of available data. However, none currently offers a holistic solution in ... their own right. In 2017, the Scientific Committee encouraged coordination among the various approaches ... seeks to demonstrate the practicality of its implementation that could provide CCAMLR with a “dress ... al. 2016), and recently a more empirical approach using a combination of fishing fleet-collected ...
Meeting Document : WG-EMM-2019/18 : Author(s): A.D. Lowther, B. Krafft, O.R. Godø, C. Cardenas, X. Zhao and O.A. Bergstad
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Age-structured production model for toothfish at South Georgia
through the introduction of a new annual selectivity function, modelled as a unimodal, algebraically ... , by allowing all parameters to be estimated in this way the model is over-parameterised and regularly ... reaches preset parameter boundaries. With one or two parameters of the selectivity estimated only once the ... high weight in the fitting, then the model has sufficient flexibility to change the selectivity to fit ...
Meeting Document : WG-FSA-SAM-05/18 : Author(s): A. Payne, G.P. Kirkwood, R. Hillary and D.J. Agnew (United Kingdom)
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Informational report on research fishing for Dissostichus spp. in Subarea 48.1 by Ukraine in 2019
purposes in the statistical subarea 48.1 on board of the fishing vessel “Calipso” (Fig. 1) (the shipowner ... LLC “Fishing Company “NEPTUNO”, Ukraine) were carried out in accordance with the research plan WG-FSA ... research fishing for Dissostichus spp. in Subarea 48.1 by Ukraine in 2019 Microsoft Word File: sam-2019-33 ...
Meeting Document : WG-SAM-2019/33 : Author(s): P. Zabroda, L. Pshenichnov and K. Demianenko