Résultats de la recherche

1. Updating the Antarctic krill biomass estimates for CCAMLR Subareas 48.1 to 48.4 using available data

   , based on data from scientific nets and covering the years between 2000 and 2011. The annual biomass ... of fishing vessels to collect data, while maintaining current time series. Author(s):  S. Hill, A ... to 48.4 using available data Microsoft Word File:  emm-15-28.doc Approval:  Approved Secretariat ... sensitive areas. Advances are needed to improve management of krill fisheries to manage these risks and to ...

   Meeting Document : WG-EMM-15/28 : Auteur(s): S. Hill, A. Atkinson, C. Darby, S. Fielding (United Kingsom), B. Krafft, O.R. Godø, G. Skaret (Norway), P. Trathan, J. Watkins (United Kingdom)

2. 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

   preliminarily estimated as 4.349 million ton (CV=54.8 %) based on the swam based method using data obtained by ... data obtained by Japanese survey vessel Kaiyo-maru Approval:  Approved Secretariat Workflow Status ... :  Content Approved Document Release Consent:  No Delegation responsibility for releasing documents:  Japan ... Abstract:  Biomass (B 0) of Antarctic krill for CCAMLR Division 58.4.1 in 2018/19 was ...

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

3. 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

   the acoustic data collected around the South Shetland Islands in Subarea 48.1 by the Chinese fishing ... with swarm-based and dB-difference method using acoustic data collected by Chinese fishing vessel ... Workflow Status:  Content Approved Document Release Consent:  No Delegation responsibility for releasing ... Abstract:  To address the effect of various identification methods on krill biomass estimates ...

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

4. 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 : Auteur(s): K. Taki, T. Hayashi and M. Naganobu (Japan)

5. 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 : Auteur(s): X. Wang, X. Zhao and X. Yu

6. 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 : Auteur(s): A.O. Shelton, D. Kinzey, C. Reiss, S. Munch, G. Watters and M. Mangel (USA)

7. 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 : Auteur(s): G. Skaret (Norway), J. Moir Clark (United Kingdom), O.R. Godø, R.J. Korneliussen, T. Knutsen, B.A. Krafft and S.A. Iversen

8. 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 : Auteur(s): United States of America

9. 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 ... ‘Saga Sea', routinely use sonars, and we provide example data and swarm descriptions from these ... outcome of our discussions will facilitate the use of sonar data collected from a variety of vessels and ...

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

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

    presented based on the CCAMLR 2000 Survey data. It is shown, that despite the high biomass concentrated in ... according to CCAMLR 2000 Survey (January-February 2000) are compared with those obtained from the data of ... DISTRIBUTION IN PELAGIC AND COASTAL SSMUs OF THE SOUTH ORKNEY ISLANDS SUBAREA ACCORDING TO THE DATA OF ... Abstract:  In this paper the krill spatial distribution in the in coastal and pelagic SSMUs of the ...

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

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