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An overview of tagging skates (Rajiformes) and CCAMLR skate tagging data
, longevity, discard survival and abundance. Most Antarctic skate species are little known and, coupled with ... tag loss and tag shedding rates in fish (with emphasis on elasmobranchs), a summary of CEFAS tagging ... of the tagging work undertaken under the auspices of CCAMLR in the Southern Ocean with comments on ...
Meeting Document : WG-FSA-13/33 : Автор(ы): S.R. McCully, D. Goldsmith, G. Burt, R. Scott and J.R. Ellis (United Kingdom)
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Some specific features of the USSR krill fishery and possibilities of applying fishery statistics to studies of krill biology and stocks
krill fishery, it is shown that the catch-per-haul variables are associated with the fishing regime of ... the vessel rather than with krill abundance in a certain area. During preparations for regular fishing ... operations very short hauls (under 15 minutes) are practised. Such fishing practice, together with ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 237–252 : Автор(ы): Dolzhenkov, V.N., T.G. Lubimova, R.R. Makarov, S.S. Parfenovich and V.A. Spiridonov
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Reports on abundance and biological information of toothfish in Division 58.4.3b by Shinsei Maru No.3 in the 2010/11 and proposal of the consecutive survey in the 2011/12
Abstract: In accordance with the Conservation Measure 41-07 (2010), a survey was conducted in ... not varied among the three years. Total of 62 individuals of toothfish with good physical condition ... the fish released with tag and that of overall catch was considerably high (85 % for D. mawsoni and 79 ... next 2011/12 survey with the same designs as in the 2010/11. Author(s): K. Taki, T. Iwami and M ...
Meeting Document : WG-SAM-11/05 : Автор(ы): K. Taki, T. Iwami and M. Kiyota (Japan)
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The Continuous Plankton Recorder in the Southern Ocean: a comparative analysis of zooplankton communities sampled by the CPR and vertical net hauls along 140°E
deployed on the northern leg (average sampling depth = 10.5 m). Both net systems were harnessed with 270?m ... patterns. Species richness and diversity increased with depth, and were lowest for CPR samples. Conversely ... , dominance decreased with depth and was highest for CPR samples. Evenness was similar for all sample groups ... to its shallow towing depth, the CPR focuses on species with surface distributions. Despite under ...
Meeting Document : WS-BSO-07/P5 : Автор(ы): Hunt, B.P.V and G. Hosie
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Broadbandwidth sound scattering and absorption from krill (Meganyctiphanes norvegica), Mysids (Praunus flexuousus and Neomysis integer) and shrimp (Crangon crangon)
krill, indicating its validity for other euphausiids species with similar size and shape. However, the ... total target strengths (TTS) of crustaceans with markedly different shapes (i.e. Mysidacea, a mix of ... derived with the generic krill shape and scaled to animal length (L). This implies that crustacean target ... measurements of absorption spectra from decapods indicate that the absorption cross section increases with the ...
Meeting Document : WG-EMM-04/40 : Автор(ы): S.G. Conti, D.A. Demer (USA) and A.S. Brierley (United Kingdom)
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Evaluation of de la Mare’s composite standardised index for generating a simple time-series summary of many long-term datasets on Antarctic predators: consequences of missing values and criteria for inclusion of predator parameters
specify general criteria for the inclusion of predator parameters in the index with regard to the ... found that, for inclusion in the index, parameters should be positively correlated with all other ... parameters and preferably with correlations greater than 0.3. If this criterion is met then these results ... for determining the correlation coefficients. These criteria need to be accepted with caution. Further ...
Meeting Document : WG-EMM-98/45 : Автор(ы): A. Constable (Australia)
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Assessment of krill biomass in fishing grounds using the data on fishing intensity and hydroacoustic method
krill biomass estimate produced by the echo integrating apparatus used in the layer fished with the ... resulting from the catch statistics and from the hydroacoustic survey carried out with the use of the echo ... concised form with references to corresponding literary sources. Basic principles of the statistical method ... trawls were developed by Dr. Yu.V.Kadilnikov, Head of the AtlantNIRO Laboratory, with the exception of ...
Meeting Document : SC-CAMLR-VIII/BG/10 : Автор(ы): USSR
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The results of investigations of the feeding of Antarctic toothfish D. mawsoni in the Ross Sea in 2005/06
depths of 523-2000 m. The total length (TL) of individuals ranged from 49 to 201 cm with weight from 0.8 ... to 192 cm with weight from 0.8 to 110 kg. The substantial part of Antarctic toothfish stomachs were ... % in 2005 and 54% in 2006), with predominance of Antarctic grenadier (Macrourus whitsoni) and icefishes ...
Meeting Document : WG-FSA-06/17 : Автор(ы): A.F. Petrov (Russia)
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The Australian exploratory toothfish fishery in CCAMLR Division 58.4.2 and Subdivision 58.4.3b in season 2003/04
. Overall, bycatch was highest at BANZARE Bank with 916 kg of total bycatch, comprising 15% of the total ... catch weight. Of the two SSRUs in Division 58.4.2, bycatch was highest in SSRU E with 624 kg of total ... bycatch comprising around 4% of the total catch compared with 247 kg of total bycatch (4%) for SSRU D. In ...
Meeting Document : WG-FSA-04/66 : Автор(ы): D. Erceg and E. van Wijk (Australia)
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Stock assessment of D. eleginoides in Subarea 48.3 using dynamic production models
mortality, age selectivity, recruitment estimates, mean weight at age) In the calculations with DPM (with ... in recent years. The trends in biomass dynamic estimated by DPM are very similar with trends from ...
Meeting Document : WG-FSA-02/78 : Автор(ы): P.S. Gasiukov and R.S. Dorovskich (Russia)
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