Resultados de la búsqueda
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Analysis of trends in Japanese krill fishery CPUE data, and its possible use as a krill abundance index
Paper Title: Analysis of trends in Japanese krill fishery CPUE data, and its possible use as a ... krill abundance index Abstract / Description: Haul-by-haul logbook catch and effort data from the ... Japanese krill fishery for the 1980/81 to 2003/04 fishing seasons were analysed. For a number of ... . The results strongly suggest that the krill fishery in the South Georgia area is operating at a ... . 12 (2005): 1–28 ANALYSIS OF TRENDS IN JAPANESE KRILL FISHERY CPUE DATA, AND ITS POSSIBLE USE AS A ... order to improve its sensitivity. Generally it is thought that the utility of krill CPUE data is ... data as an index of krill abundance using a number of defi nitions of effort, and examines the nature ... . 2004. A conceptual model of the krill fi shery. Document WG-EMM-04/51. CCAMLR, Hobart, Australia ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 1–28 : Autor(es): Kawaguchi, S., S. Candy, S. Nicol, K. Taki and M. Naganobu
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The distribution pattern and fishery for the Antarctic krill (Euphausia superba) off the Wilkes Land and Balleny Islands (with notes on the application of CPUE data as indices of krill abundance)
Abstract: Hydrological conditions, the distributiion pattern of krill and characteristics of the ... Soviet krill fishery off the Wilkes Land and Balleny Islands in 1988 and 1989 are described. The ... variability of some CPUE indeces (TC/TH/PPST; TC/TFISHT; TC/TFISHT/PPST) is analysed on the basis of data ... °- 150° E) are likely to be. an area of regular occurence of krill concentrations, probably the frequency ...
Meeting Document : WG-KRILL-90/16 : Autor(es): V.N. Dolzhenkov, E.A. Kovalev, V.A. Spiridonov, V.P. Timonin, I.A. Zhigalov (USSR)
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Linking acoustic scattering coefficient to krill fishery data: feasibility of estimating krill abundance using fishing survey
fisheries. In this paper, using the multi-frequency acoustic data and the fishery data, the relationship ... acoustic scattering coefficient to krill fishery data: feasibility of estimating krill abundance using ... Abstract: Antarctic krill (Euphausia superba Dana) is a key species in the Southern Ocean ... between the acoustic scattering coefficient of krill swarms and catch, catch per unit effort (CPUE), catch ...
Meeting Document : WG-EMM-17/44 : Autor(es): T. Wang, G.P. Zhu, J.F. Tong and L.X. Xu
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Acoustic data collection by the krill fishing industry to improve the monitoring of krill abundance
fishing vessel data collection program and provide advice on the timing and frequency for conducting ... acoustic transects; the methods for the data transmission to the Secretariat including the use of ... EchoExplore to provide a meta-data catalogue of the data and whether to have acoustic data transferred to the ... Secretariat as complete (raw) acoustic data files for processing and/or analysis products (e.g. from the ...
Meeting Document : SG-ASAM-2019/01 : Autor(es): K. Reid and J. Arata
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Indicators of krill flux at various spatial-temporal based on the data of multi-year research carried out in the Scotia Sea. Comments on krill fishery management
Weddell Sea. The data obtained demonstrate that the dynamics of krill biomass in a given area is more ... management requires adequate data on variability of biomass distribution and population structure of krill ... . Shnar Title: Indicators of krill flux at various spatial-temporal based on the data of multi-year ... distribution of krill density, intensity of water flows (m³/s) and krill biomass (g/m³) transported by water ...
Meeting Document : WG-EMM-2019/58 : Autor(es): S. Kasatkina and V. Shnar
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Krill Spill: An opportunistic approach to collecting penguin diet and krill length data
opportunistic data collection methods as an alternate approach. Data on diet composition and krill length were ... krill length frequency of the krill spill sample was compared to data collected utilising the A8 ... alongside A8 monitoring efforts to ensure that krill spill samples accurately represent data collected using ... Title: Krill Spill: An opportunistic approach to collecting penguin diet and krill length data ...
Meeting Document : WG-EMM-18/45 : Autor(es): E. Grilly, M. Santos, K. Reid and A. Silvestro
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ANALYSIS OF VARIABILITY OF KRILL SIZE AND FISH BY-CATCH IN JAPANESE KRILL FISHERY BASED ON SCIENTIFIC OBSERVER DATA
fish, observer data sets on Japanese krill fishery from 1995 to 2008 were analyzed by using a ... VARIABILITY OF KRILL SIZE AND FISH BY-CATCH IN JAPANESE KRILL FISHERY BASED ON SCIENTIFIC OBSERVER DATA ... Abstract: To investigate spatio-temporal variability of krill body length and number of bycatch ... dynamics from observation error caused by the fishery activity and individual observation. In both krill ...
Meeting Document : WG-EMM-11/39 : Autor(es): T. Okuda and M. Kiyota (Japan)
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Analysis of variability of krill size and fish by-catch in Japanese krill fishery based on scientific observer data
, although haul sample size affect CV for only krill length data up to 10% haul coverage. These results ... Abstract: To estimate optimal relative sample size of scientific observer data collected on ... Antarctic krill commercial fishing vessels, we estimated the relationship between statistical precision and ... sample size by using variance component analysis. Observer datasets on Japanese krill fishery from 1995 ...
Meeting Document : WG-EMM-12/68 : Autor(es): T. Okuda and M. Kiyota (Japan)
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s-sc-xiii-a4.pdf
... de Documentos APENDICE D: Datos solicitados por el grupo de trabajo APENDICE E: Escala de madurez ... había sido introducido este año para permitir un estudio detallado de los documentos de interés biológico y ecológico ... en el apéndice B y la lista de documentos presentados a la reunión en el apéndice C de este informe. 2.3 ... antes de la reunión del grupo de trabajo, permitiendo la notificación de todas las capturas al grupo en el documento application/pdf attached to:WG-FSA-94
Meeting Report : WG-FSA-94
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Do krill and salps compete? Contrary evidence from the krill fisheries
Paper Title: Do krill and salps compete? Contrary evidence from the krill fisheries Abstract ... phytoplankton were analysed using logbook data from Japanese krill trawlers operating near the Antarctic ... / Description: Salp by-catch and krill discolouration ('green' krill) caused by active feeding on ... presence of green krill were analysed. No relationship between salp density and the proportion of green ... SALPS COMPETE? CONTRARY EVIDENCE FROM THE KRILL FISHERIES S. Kawaguchi, T. Ichii and M. Naganobu ... analysed using logbook data from Japanese krill trawlers operating near the Antarctic Peninsula ... continuous data on salp density and krill feeding. Research vessels can cover wide areas but are usually ... the Japanese krill trawlers have accumulated a large amount of data on salp by-catch and on the ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 205–216 : Autor(es): Kawaguchi, S., T. Ichii, M. Naganobu and W.K. de la Mare