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RESOURCES EVALUATION OF ANTARCTIC KRILL EUPHAUSIA SUPERBA DANA USING AREAL TRAWLING AND HYDRO-ACOUSTIC DATA
population density of krill should be defined by reliability and admissible error of estimated resource ... . Traditional concepts of observation system concerning the resources of krill should be further developed with ... evaluation criteria for parameter evaluations of statistical distributions should be proposed to the ... . Population density values for krill should be calculated using Aitchison delta distribution. Primary ...
Meeting Document : WG-SAM-08/P01 : Автор(ы): L.A. Kovalchuk (Ukraine)
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MODELLING ANTARCTIC KRILL: SCALE, MOVEMENT AND AGE‐STRUCTURE
around the South Shetland Islands, but it is being developed to be applicable to any region where multi ... and environmental time series will also be incorporated. Annual movement by krill among areas is ... variance estimates) when movement is included; converge can be achieved when movement is ignored. Author(s ...
Meeting Document : WG-EMM-11/43 Rev. 1 : Автор(ы): D. Kinzey, G. Watters and C. Reiss (USA)
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Histopathology of Antarctic krill (Euphausia superba) bearing black spots
always accompanied by a tumor-like mass of unknown large heteromorphic cells, which seemed to be derived ... , whereas the presence of multiple bacterial species suggests that the infections were likely to be ... secondary. The development of the tumor-like cell mass in the gonad may be the primary condition, although ...
Meeting Document : WG-EMM-07/29 : Автор(ы): S. Miwa, T. Kamaishi, T. Matsuyama, T. Hayashi and M. Naganobu (Japan)
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Criteria for aging the otoliths of Dissostichus eleginoides from South Georgia (Subarea 48.3) and an analysis of aging precision
the equivalent region in older fish. Both aging techniques indicated D. eleginoides to be a long-lived ... fish, but C2 indicated that captured fish may be mostly young, between 3-9 years old. The low precision ... within standardized limits of variation are likely to be important. Author(s): J. Ashford (United ...
Meeting Document : WG-FSA-98/52 : Автор(ы): J. Ashford (United Kingdom) and S. Wischniowski (Canada)
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Changes in population size of large Procellariiformes breeding in the French sub-Antarctic islands: potential influence of southern fisheries and particularly long lining
mortality has been suspected to be the result of mortality incurred in long-line fisheries. Satellite ... Ocean populations. Potential threats from the Kerguelen Dissostichus fishery exist but can be minor if ... measures to reduce mortality continue to be enforced in the EEZ. Author(s): Henri Weimerskirch and Pierre ...
Meeting Document : WG-IMALF-94/11 : Автор(ы): Henri Weimerskirch and Pierre Jouventin (France)
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A REVIEW OF THE UNCERTAINTIES ASSOCIATED WITH PENGUIN POPULATION AND ABUNDANCE ESTIMATES FOR THE CCAMLR REGION
breeding colonies are available from a variety of sources and, when combined, coverage is thought to be ... availability of these units. Counts therefore have to be standardised prior to being summed, but the adjustment ... cannot always be justified. Modelling approaches that may reduce these uncertainties are recommended and ...
Meeting Document : CCAMLR-IWC-WS-08/08 : Автор(ы): Trivelpiece, W., Fraser, B., Trathan, P., Ainley, D., Southwell, C., Bost, C., Hindell, M., Lyver, P., Ratcliffe, N., Woehler, E.
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On the consequences of differentiating between adult and sub-adult survival rates in the krill-predators model
-adult survival rate can be adjusted to ensure that the modelled predator population reflects observed ... . This solution brings with it new problems, however, in that two further parameters need to be specified ... for both these parameters, consideration needs to be given to the possibilities for qualitatively ...
Meeting Document : WG-EMM-95/39 : Автор(ы): Butterworth, D.S., Thomson, R.B.
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Semi-empirical acoustic estimates of krill biomass derived from simulated commercial fishery data based on single-frequency acoustics
US AMLR datasets and used to mimic data that might be collected by the commercial fishery during the ... frequency distribution (Elephant Island) could be used to estimate biomass from other areas where the length ... models of krill biomass, at120 kHz frequency that can be used to augment research acoustic surveys if ...
Meeting Document : SG-ASAM-12/04 : Автор(ы): A.M. Cossio, G.W. Watters, C.S. Reiss, J. Hinke and D. Kinzey (USA)
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Plan of research program of the Russian Federation in Subarea 48.5 (Weddell Sea) in season 2014/2015
subareas, where stock assessment should be carried out. In spite of hard ice conditions at most part of the ... similarity, which could be found in geographical location, bathymetric profile, currents system and follows ... . Detailed plan of fishing operations, collecting and analysis of data will be provided for the Scientific ...
Meeting Document : WG-SAM-14/07 : Автор(ы): Delegation of the Russian Federation
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Plan of research program of the Russian Federation in Subarea 48.5 (Weddell Sea) in season 2014/2015
subareas, where stock assessment should be carried out. In spite of hard ice conditions at most part of the ... similarity, which could be found in geographical location, bathymetric profile, currents system and follows ... . Detailed plan of fishing operations, collecting and analysis of data will be provided for the Scientific ...
Meeting Document : WG-FSA-14/09 : Автор(ы): Delegation of the Russian Federation
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