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CPUEs and body length of Antarctic krill during 1995/96 season in the fishing grounds around the South Shetland Islands
Abstract: This paper summarizes Japanese krill catch data during austral summer in 1995/96 season ... area in the previous fishing season. From January through early May, modal size of krill differed ... ): Naganobu, M., Kawaguchi, S., Ichii, T. Title: CPUEs and body length of Antarctic krill during 1995/96 ...
Meeting Document : WG-EMM-97/36 : Автор(ы): Naganobu, M., Kawaguchi, S., Ichii, T.
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Net-based verification of acoustic techniques used to identify Antarctic krill
data and concurrent net information, from 16 net hauls through krill aggregations, were collected ... Distorted Wave Approximation (SDWBA) krill target strength model, are assessed. Three frequency acoustic ... . Using the SDWBA model, dB difference identification ranges based on the length-frequencies of krill in ... identified only 6 of the 16 krill aggregations sampled the nets. contrast the '2 freq model' and ...
Meeting Document : SG-ASAM-09/04 : Автор(ы): J. Watkins and S. Fielding (United Kingdom)
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Revised outline of the dedicated krill survey for CCAMLR Division 58.4.1 during 2018/19 season by the Japanese survey vessel, Kaiyo-maru
Abstract: A dedicated krill survey for CCAMLR Division 58.4.1 during 2018/19 season will be ... conducted by Japanese research vessel, Kaiyo-maru. No krill biomass has been estimated in the Division since ... Australia carried out BROKE in 1996. There are two main objectives of our survey: (1) estimation of krill ... changes if any. The krill survey (echosounder–EK80 and RMT) and subsequent biomass estimation will follow ...
Meeting Document : SG-ASAM-18/03 : Автор(ы): H. Murase, K. Abe, R. Matsukura, H. Sasaki and T. Ichii
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Interannual variability in Antarctic krill (Euphausia superba) density at South Georgia, Southern Ocean: 1997 – 2013
Abstract: This paper, now in press in ICES Journal of Marine Science, presents krill density ... estimates for a 17 year time series of acoustic surveys of the Western Core Box at South Georgia. Krill ... targets were identified in acoustic data using the approved CCAMLR protocol, that is using a multi ... -frequency identification window and converted to krill density using the Stochastic Distorted-Wave Born ...
Meeting Document : WG-EMM-14/P04 : Автор(ы): S. Fielding, J. Watkins, P. Trathan et al.
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Estimation of krill biomass from an acoustic survey carried out in 1986, during a study of predator–prey interactions around the western end of South Georgia
paper describes how this acoustic data has been used to estimate krill biomass of part of the original ... for krill. Author(s): C. Goss and S. Grant (United Kingdom) Title: Estimation of krill biomass from ...
Meeting Document : WG-EMM-99/17 : Автор(ы): C. Goss and S. Grant (United Kingdom)
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Matlab code for calculating krill biomass in a survey area
) to recalculate the catch limit for Antarctic krill in the Scotia Sea based on updated acoustic ... for any area based on the CCAMLR 2000 survey methods. Using data from the South Orkney Island stratum ... recalculate the catch limit for Antarctic krill in the Scotia Sea based on updated acoustic algorithms ... for any area based on the CCAMLR 2000 survey methods. Using data from the South Orkney Island stratum ...
Meeting Document : SG-ASAM-16/03 : Автор(ы): A. Cossio, J. Renfree and C. Reiss
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An ecological risk assessment of current conservation measures for krill fishing in East Antarctica (CCAMLR Divisions 58.4.1 and 58.4.2)
involved in any redevelopment of a commercial krill (Euphausia superba) fishery in CCAMLR Divisions 58.4.1 ... measures that are relevant to Divisions 58.4.1 and 58.4.2 sufficiently mitigate the risk of a krill fishery ... disproportionately concentrating catches in areas that are also important to krill predators. In particular, this ... , crabeater seals and Adélie penguins, in parallel with the currently agreed krill biomass estimates across ...
Meeting Document : WG-EMM-18/37 : Автор(ы): N. Kelly, L. Emmerson, S. Kawaguchi, C. Southwell and D. Welsford
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Towards developing a feedback management procedure for the Antarctic krill fishery
Abstract: We present a feedback strategy, founded on CEMP data, to adjust the catch limit and the ... spatial distribution of fishing activity for Antarctic krill in Statistical Area 48. The CEMP currently ... relevant to making inference about the potential for competition between krill-dependent predators and the ... strategy for the krill fishery includes comparison of predator performance in no-fishing areas, these ...
Meeting Document : WG-EMM-12/44 : Автор(ы): G. Watters and J. Hinke (USA)
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PRELIMINARY ANALYSIS OF DISSOSTICHUS MAWSONI BY-CATCH DURING BOTTOM AND KRILL FISHING (STATISTICAL DIVISION 58.4.2)
Abstract: Preliminary analysed data obtained from bottom fishing in 1987, 1989 from Cosmonaut and ... trawls and juvenile Dissostichus mawsoni in catches of mid-water trawls during krill fishing in the same ... . Pshenichnov (Ukraine) Title: PRELIMINARY ANALYSIS OF DISSOSTICHUS MAWSONI BY-CATCH DURING BOTTOM AND KRILL ...
Meeting Document : WG-FSA-08/23 : Автор(ы): L.K. Pshenichnov (Ukraine)
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Krill community studies using net and hydroacoustic sampling techniques
Abstract: Hydroacoustic and net sampling data were used to determine the distribution and ... abundance of krill. In an attempt to address the effect that variability in sampling gear type may have on ... . Green, J. Wormuth and V. Loeb (USA) Title: Krill community studies using net and hydroacoustic sampling ...
Meeting Document : SC-CAMLR-VI/BG/45 : Автор(ы): J.R. Green, J. Wormuth and V. Loeb (USA)
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