Resultados de la búsqueda
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A revised assessment of the impact of the krill fishery on penguins in the South Shetlands
captured by penguins was observed. The above mentioned results imply a low level of competition between the ... . Thus, the present fishery is very unlikely to have an adverse impact on the local krill biomass and ...
Meeting Document : WG-Joint-94/17 : Autor(es): T. Ichii, M. Naganobu and T. Ogishima (Japan)
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Dates of spawning of Antarctic euphausiids
Euphausiids. The original and literature data on age composition of larvae gave the possibility to calculate ... exists for the period of the most intensive spawning. The termination of spawning in the waters of high ... -latitude origin is earlier then in the waters of an other type. The correlation with a geographical ... position of a region (latitude) is obvios for the beginning and maximum of the spawning while for the ...
Meeting Document : SC-CAMLR-VIII/BG/24 : Autor(es): Delegation of USSR
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Preliminary assessment of mackerel icefish (Champsocephalus gunnari) in the vicinity of Heard Island and McDonald Islands (Division 58.5.2), based on a survey in July 2007, using the generalised yield model
58.5.2 in the vicinity of Heard Island in July 2007 to provide the information for an assessment of short ... for the area of Division 58.5.2 to the west of 79o 20’ E using standard CCAMLR methods. Evidence of ... strong 1+ year class recruiting to the population has led to an increase in the estimated biomass of ... mackerel icefish, and an increase on the recommended catch over the projection. Based on a similar cohort ...
Meeting Document : WG-FSA-07/47 : Autor(es): D.C. Welsford (Australia)
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Simulation experiments and CCAMLR yield estimates using CASAL
present an example model for the fictitious fishery on a fictitious species Dissostichus spurious (Everson ... were fitted with an expected percent root mean squared error (%RMSE) of less than 20%. The inclusion of ... Abstract: This paper describes an approach, using CASAL, to undertake operating model/estimation ... model experiments for Dissostichus spp., and methods for calculating CCAMLR yields using CASAL. We ...
Meeting Document : WG-FSA-SAM-05/9 : Autor(es): A. Dunn (New Zealand)
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New page in the Antarctic krill fishing (Translation from The Fishing Industry of Ukraine, 1–2/2007: 11–14)
Abstract: Antarctic krill (Euphausia superba) is one of the largest marine resources of animal ... modern vessels for krill fisheries and processing is foreseen anyway; introduction of new technologies on ...
Meeting Document : SC-CAMLR-XXVI/BG/26 : Autor(es): Delegation of Ukraine
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Results from the reduced groundfish survey conducted in CCAMLR Subarea 48.3 in January 2012
between the 26-28th January 2012. This survey was not intended to be a full biomass survey so only 20 ... three size cohorts of fish identified including evidence of a new cohort of 2+ age fish (29-39cm). Catch ...
Meeting Document : WG-FSA-12/37 : Autor(es): J. Brown, S. Gregory, A. Stanworth, V. Carretero, G. Baker and M. Belchier (United Kingdom)
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Diet and trophic niche of Macrourus spp. (Gadiformes, Macrouridae) in the Ross Sea region of the Southern Ocean
carnivorous. Other important prey were copepods (especially for fish with total length less than 30 cm), krill ... fish (especially for fish less than 30 cm), whereas sex, fatness and bottom depth were not significant ... (including regurgitated stomach contents) from an undifferentiated mixture of 33 specimens of these species ... . Overall, amphipods were the dominant prey found in Macrourus spp. stomachs with an index of relative prey ...
Meeting Document : WG-EMM-12/P03 : Autor(es): M.H. Pinkerton, J. Forman, D.W. Stevens, S.J. Bury and J. Brown
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A comparison of acoustic targets at South Georgia and the South Orkney Islands during a season of profound krill scarcity
density; for example one echo-integration interval contained 104 times the mean krill density. An ... conjunction with appropriate 120 kHz data to calculate krill density estimates for both survey areas. Krill ... with previously published density estimates krill densities in both regions were extremely low (1.7 and ... 10.7 gm-2 for Willis and Coronation Islands respectively). Gross regional differences in pelagic faunal ...
Meeting Document : WG-EMM-95/75 : Autor(es): Watkins, J.L., Brierley, A.S.
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Some characteristics of krill transport in the Scotia Sea based on the Russian survey data
within SSMU, nor with the total catch from the Scotia Sea for any fishing season during the latest 20 ... years. It is shown that total krill biomass of 3.392 mln.t. transported by water mass out three SSMUs is ... that krill transport estimates should be taken into consideration in the scheme for allocating the ...
Meeting Document : WG-EMM-05/41 : Autor(es): S.M. Kasatkina, V.N. Shnar and O.V. Berezhinsky (Russia)
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Stomach contents of Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea region in 2010 and a comparison with 2003
two years. It is planned to carry out a more rigorous analysis of these data in the coming year ... items, of which 13 contained only digested prey, leaving 185 stomachs for analysis. The majority of ... whitsoni) dominated the diet occurring in 37% of stomachs and accounting for 45% by weight and 52% by IRI ... . De Witt’s icefish, eel-cods, and glacial squid were also important occurring in about 20% of stomachs ...
Meeting Document : WG-FSA-10/22 : Autor(es): D.W. Stevens, J. Forman and S. Hanchet (New Zealand)