Resultados de la búsqueda
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Estimation of tag-loss rates for tagged fish in the Patagonian toothfish (Dissostichus eleginoides) fisheries at Heard Island and McDonald Islands in Division 58.5.2
, with longline-caught and recaptured fish losing their tags quicker than trawl-caught and recaptured ... fish. With an initial tag-loss proportion of 2.8% and ongoing tag-loss rate of 0.056 in the longline ... -loss rate for longline varied strongly between time periods, with l = 0.007 for 2003-2006, l = 0.021 ...
Meeting Document : WG-FSA-17/21 : Autor(es): P. Ziegler
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Hydroacoustic data obtained around Elephant Island and South Orkney Islands during austral summer 2018
acoustic information survey was carried out with a SIMRAD EK80 wide band scientific echosounder at a ... frequency of 38 kHz and a SIMRAD ES70 fishing echosounder equipped with a 120 kHz frequency transducer. The ... South Orkney Islands (1,120 nm). Concentrations of krill (Euphausia superba), the pelagic species with ...
Meeting Document : WG-FSA-18/05 : Autor(es): N.A. Alegría and P.M. Arana
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Time series of Antarctic krill estimates around the South Shetland Islands from 2013 to 2019
Subarea 48.1 is submitted with accompanying description of the acoustic survey and data analysis ... data were collected with ship-mounted Simrad EK60 scientific echosounder system. A swarm-based Echoview ... EV template was used for echo-integration, and the areal krill density with coefficient of variance ...
Meeting Document : SG-ASAM-2019/04 Rev. 1 : Autor(es): X. Yu, X. Wang, X. Zhao, J. Zhang, G. Fan, Y. Ying and J. Zhu
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INFORME DE LA REVISIÓN INDEPENDIENTE DE LOS SISTEMAS DE GESTIÓN DE DATOS DE LA CCRVMA
appropriately managed and that data and information are made available in accordance with CCAMLR’s rules for ... Secretariat’s revised Strategic Plan has addressed recommendations dealing with improvements to the ... outlined, together with a proposed schedule for their implementation. Author(s): Secretariat Title ...
Meeting Document : CCAMLR-XXX/05 : Autor(es): Secretariat
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PRESENCE OF IUU VESSEL IN SPANISH PORT
, and arrived in Vigo with no cargo on board. In view of the fact that the vessel is configured as a ... complying with the rules that govern entry of fishing vessels flying a foreign flag into Spanish ports. A ... finding of violation was issued against the ship, in accordance with Spanish legislation. From the ...
Meeting Document : CCAMLR-XXIX/BG/38 : Autor(es): Delegation of Spain
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Some characteristics of krill transport in the Scotia Sea based on the Russian survey data
be accompanied with krill biomass transport across the boundaries of the SSMUs. Our estimates of ... krill flux out SSMU during fishing season appeared incomparable neither with the historical annual catch ... within SSMU, nor with the total catch from the Scotia Sea for any fishing season during the latest 20 ...
Meeting Document : WG-EMM-05/41 : Autor(es): S.M. Kasatkina, V.N. Shnar and O.V. Berezhinsky (Russia)
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Results of an acoustic investigation of Antarctic krill, Euphausia superba, biomass-density in the Elephant Island area in January/February 2001
to Feb 4th 2001 are presented. Data were collected with a SIMRAD EK60 Scientific Echo Sounder ... stratum. The estimated average agrees well with estimates made by the U.S. AMLR program from two surveys ... (15.6 g/m2 and 12.8 g/m2 respectively) performed the same field season in partly the same area, and with ...
Meeting Document : WG-EMM-02/30 : Autor(es): M.A. Thomasson (Sweden), J.H. Emery (USA), J. Rademan (South Africa), R.P. Hewitt (USA) and B.I. Bergström (Sweden)
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Biological features of the icefish Champsocephalus gunnari from commercial catches in Subarea 48.3 during the period from 8 December 1999 until 31 January 2000
western shelf of the South Georgia Island. Icefish 26-40 cm in length, with the average size of 30.3 cm ... made up the bulk of the catches. Length-frequency distribution was characterized by bimodality, with ... Champsocephalus gunnari (with the length of 24 cm and less) amounted to, on the average, 0.6% per a haul. The male ...
Meeting Document : WG-FSA-00/20 : Autor(es): V.L. Senioukov (Russia)
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Interannual variability of krill, salp and other zooplankton populations in the South Shetland Island area during Austral summer 1993–1998
were associated with extremely high salp abundance. Sa/pa thompsoni abundance was similar to levels ... . Comparisons of January and February 1998 survey data with data from previous AMLR field seasons showed ... ". The 4-5 year periodicity of "salp years" over the past fifteen years is discussed with ...
Meeting Document : WG-EMM-98/50 : Autor(es): V. Loeb, W. Armstrong, R. Hewitt (USA) and V. Siegel (Germany)
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Analysis of trawl data from the South Georgia krill fishery
large number of trawls were undertaken by each,vessel, with trawls being shorter in duration during the ... with shooting and hauling the net were usually short and showed little variation, whereas the time ... associated with the actual trawl phase was longer and more variable. The distance between consecutive trawls ...
Meeting Document : WG-EMM-97/41 : Autor(es): Parkes, G., Trathan, P.N., Everson, I., Murphy, E.J.