Результаты поиска

1. Preliminary biomass estimation of Antarctic krill based on the swarm-based method for CCAMLR Division 58.4.1 in 2018/19 using data obtained by Japanese survey vessel Kaiyo-maru

   Abstract:  Biomass (B 0) of Antarctic krill for CCAMLR Division 58.4.1 in 2018/19 was ... preliminarily estimated as 4.349 million ton (CV=54.8 %) based on the swam based method using data obtained by ... method potentially includes non-krill echoes but also excluding aggregations of krill which are smaller ... estimation of Antarctic krill based on the swarm-based method for CCAMLR Division 58.4.1 in 2018/19 using ...

   Meeting Document : SG-ASAM-2019/02 : Автор(ы): K. Abe, R. Matsukura, N. Yamamoto, K. Amakasu and H. Murase

2. Comparison of krill density estimated with swarm-based and dB-difference method using acoustic data collected by Chinese fishing vessel participating in the 2019 Area 48 survey

   Abstract:  To address the effect of various identification methods on krill biomass estimates ... the acoustic data collected around the South Shetland Islands in Subarea 48.1 by the Chinese fishing ... estimated krill densities were statistically compared using significance test and geometric linear ... conclusion. Author(s):  X. Yu, X. Wang, J. Zhang and X. Zhao Title:  Comparison of krill density estimated ...

   Meeting Document : SG-ASAM-2019/06 : Автор(ы): X. Yu, X. Wang, J. Zhang and X. Zhao

3. Characteristics of seasonal variation in diurnal vertical migration and aggregation of Antarctic krill (Euphausia superba) in the Scotia Sea, using the Japanese fishery data

   fisheries data. Average trawling depth usually showed a marked diurnal change during summer and winter in SS ... Antarctic krill (Euphausia superba) in the Scotia Sea, using the Japanese fishery data Approval:  Approved ... vertical migration of Antarctic krill (Euphausia superba) associated with the brightness categories of the ... winter over the Scotia Sea. However, it shifted to shallower in early spring, when krill began to feed on ...

   Meeting Document : WG-EMM-04/44 : Автор(ы): K. Taki, T. Hayashi and M. Naganobu (Japan)

4. Overview on the development of using the fishing-vessel-based acoustic data in the estimation of distribution and abundance of Antarctic krill

   -vessel-based acoustic data in the estimation of distribution and abundance of Antarctic krill Microsoft ... Document Release Consent:  No Delegation responsibility for releasing documents:  China ...

   Meeting Document : SC-CAMLR-38/BG/26 : Автор(ы): X. Wang, X. Zhao and X. Yu

5. Among-year variation in growth of Antarctic krill Euphausia superba based on length-frequency data

   Southern Ocean over a span of 19 yr to document among-year variation in krill growth during the austral ... Antarctic krill Euphausia superba based on length-frequency data Approval:  Approved ... and easy to implement. We applied the methods to Antarctic krill Euphausia superba collected from the ... estimates of among-year variation in krill growth. We estimate very high among-year variation in growth ...

   Meeting Document : WG-EMM-13/P01 : Автор(ы): A.O. Shelton, D. Kinzey, C. Reiss, S. Munch, G. Watters and M. Mangel (USA)

6. Krill stock evaluation with data from commercial fishing vessels

   Abstract:  Commercial krill fishing vessels can provide useful data for science and management ... within a time-frame of a week and linked to krill length data from the same period. The data from the ... fishing operations were very different from transect data collected just some days before. Krill ... period. The data have the potential of providing information about local krill depletion, fishing ...

   Meeting Document : WG-EMM-12/63 : Автор(ы): G. Skaret (Norway), J. Moir Clark (United Kingdom), O.R. Godø, R.J. Korneliussen, T. Knutsen, B.A. Krafft and S.A. Iversen

7. Acoustic data analysis and models of krill spatial distribution

   . These results of data analysis suggest that krill patch size or rather a basic swarm size should be ... smaller that 200 m, finest resolution of our data analyzed, and the real spatial distribution of krill ... observed result. Author(s):  United States of America Title:  Acoustic data analysis and models of krill ... Abstract:  Acoustic data obtained on the 4-5 January 1987 aboard the R/V Professor Siedlecki were ...

   Meeting Document : SC-CAMLR-VII/BG/25 : Автор(ы): United States of America

8. Collection, processing and potential use of sonar data from krill fishing vessels

   Antarctic krill distribution, and potentially abundance. Data from sonars can be used independently of ... of sonar data from krill fishing vessels Approval:  Approved ... acoustic surveys. Sonars are capable of sampling large volumes of water and can image entire krill swarms ... and track changes in swarms through time.  Some commercial krill fishing vessels, e.g.  ‘Juvel’ and ...

   Meeting Document : SG-ASAM-14/01 : Автор(ы): G. Skaret (Norway) and M.J. Cox (Australia)

9. PROPERTIES OF KRILL DISTRIBUTION IN PELAGIC AND COASTAL SSMUs OF THE SOUTH ORKNEY ISLANDS SUBAREA ACCORDING TO THE DATA OF SCIENTIFIC OBSERVATIONS AND FISHERY

   Abstract:  In this paper the krill spatial distribution in the in coastal and pelagic SSMUs of the ... Subarea 48.2 depending on oceanological factors is considered. Estimates of krill biomass and aggregation ... characteristics, and krill transport factors according to different modifications of Antarctic water mass are ... presented based on the CCAMLR 2000 Survey data. It is shown, that despite the high biomass concentrated in ...

   Meeting Document : WG-EMM-08/55 : Автор(ы): S.M. Kasatkina and V.N. Shnar (Russia)

10. Horizontal flux of secondary production in the southern ocean food web: current velocity data and the transport of krill in the South Georgia ecosystem

    krill through the South Georgia area and estimate residence times. These data have been considered with ... : current velocity data and the transport of krill in the South Georgia ecosystem Approval:  Approved ... using a combination of physical model data and ship based biological data. The physical current velocity ... . These have been combined with estimates of krill density and standing stocks to consider the flux of ...

    Meeting Document : WG-EMM-97/65 : Автор(ы): Everson, I.E., Trathan, P.N., Murphy, E.J.

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