Resultados de la búsqueda
-
Alternative methods for determining subarea or local area catch limits for krill in Statistical Area 48
surveys are not biologically explicit and result in delayed implementation. None of the alternatives are ... limit on krill (Euphausia superba) in Statistical Area 48. The measure also implies the application in ... which information on biological relationships is considered, (ii) the cost of data collection, (iii) the ... reliability of required information, (iv) the ease of enforcement, (v) the effects on current fishing patterns ...
Meeting Document : WG-EMM-01/29 : Autor(es): G. Watters and R. Hewitt (USA)
-
Phase-randomisation in an integrated assessment model for Antarctic krill
parameters in alternative configurations of a model assessing the status and productivity of Antarctic krill ... 48.1, a statistical reporting area used by the Commission for the Conservation of Antarctic Marine ... configurations. The numbers of parameters estimated in configurations that were able to obtain an invertible ... in seven sequential stages (the "phases") in a series of at least 20 replicate trials for ...
Meeting Document : WG-SAM-17/31 : Autor(es): D. Kinzey, G.M. Watters and C.S. Reiss
-
Report from a krill- focused survey with RV Kronprins Haakon and land-based predator work in Antarctica during 2018/19
survey that provides updated estimates of the biomass and distribution of krill which are used in models ... to estimate sustainable yield in CCAMLR Area 48 and 2) to develop knowledge on the marine environment ... essential for the implementation of a Feed-Back Management (FBM) system. The survey follows a similar design ... high krill-density areas, contains state-of-the art methods and employs modern technology for the ...
Meeting Document : WG-EMM-2019/07 : Autor(es): B. Krafft, K. Bakkeplass, T. Berge, M. Biuw, J. Erices, E. Jones, T. Knutsen, R. Kubilius, M. Kvalsund, U. Lindstrøm, G.J. Macaulay, A. Renner, A. Rey, H. Søiland, R. Wienerroither, H. Ahonen, J. Goto, N. Hoem, M. Huerta, J. Höfer, O. Iden, W. Jouanneau, L. Kruger, H. Liholt, A. Lowther, A. Makhado, M. Mestre, A. Narvestad, C. Oosthuisen, J. Rodrigues and R. Øyerhamn
-
Report on implications of meeting schedules
Report on implications of meeting schedules ...
Meeting Document : SC-CAMLR-XIX/07 : Autor(es): Chair of the CCAMLR Scientific Committee
-
Review of CCAMLR translation requirements – accompanying document to CCAMLR-XXIX/8 (Previously CCAMLR-XXVIII/10 Rev. 1)
Review of CCAMLR translation requirements – accompanying document to CCAMLR-XXIX/8 (Previously ...
Meeting Document : CCAMLR-XXIX/BG/06 : Autor(es): Secretariat
-
Importance of myctophid fish distributions for formation of foraging areas of chinstrap penguins and Antarctic fur seals at Seal Island
occurred on the shelf north of Seal Island. However, all predators except diurnal foraging penguins went ... northward beyond the shelf, and foraged in offshore region during Leg I and on slope during Leg II. The ... diurnal foraging penguins alone fed on the shelf. The following advantages are considered for feeding in ... day so that only shallow diving was required to catch krill even in the day time; (2) krill tend to be ...
Meeting Document : WG-EMM-95/87 : Autor(es): Bengtson, J.L., Kawaguchi, S., Jansen, J.K., Takao, T., Meyer, W.R., Baba, N., Hiruki, L.M., Boveng, P., Cameron, M.F., Ogishima, T., Ichii, T., Naganobu, M.
-
On influence of acoustic survey methodology improvement on krill biomass estimation. (A comparison of results of acoustic surveys based on single-frequency and double-frequency algorithms)
influence of such improvements on krill biomass estimation. The letter seems to become useful in comparative ... Abstract: Substantial improvements in data collection and analytical methodologies of acoustic ... analysis of krill biomass data from the results of different acoustic surveys. There have been presented ... the results of krill biomass comparative estimation by single-frequency and double-frequency ...
Meeting Document : WG-EMM-01/41 : Autor(es): S.M. Kasatkina and A.P. Malyshko (Russia)
-
Effect of orientation on broadband acoustic scattering of Antarctic krill Euphausia superba: implications for inverting zooplankton spectral acoustic signatures for angle of orientation
pattern of changes in echo spectra with orientation for the experimentally measured acoustic returns was ... ) model. Information contained in the broadband echo spectra of the krill was exploited to. invert the ... and video footage from several Antarctic krill were carried out to determine the effect of animal ... echo spectra had a more erratic structure, with several closely spaced nulls of variable depth. The ...
Meeting Document : WG-EMM-99/41 : Autor(es): L.V. Martin Traykovski (USA), R.L. O’Driscoll (New Zealand) and D.E. McGehee (USA)
-
Further analysis of target strength measurements of Antarctic krill at 38 and 120 kHz: comparison with deformed cylinder model and inference of orientation distribution
-24(1990)] are examined in the light of a recent zooplankton scattering model where the ... elongatedanimals are modeled as deformed finite cylinders [J. Acoust. Soc. Am. 86, 691-705 (1989)].Exercise of the ... strengths be a minimum in a least-squares sense, it ispossible to infer the orientation distribution. This ... Abstract: Data collected during the krill target strength experiment [J. Acoust. Soc. Am. 87, 16 ...
Meeting Document : WG-KRILL-93/06 : Autor(es): D. Chu (USA), K.G. Foote (Norway) and T. K. Stanton (USA)
-
Registration of monitoring sites
Registration of monitoring sites ...
Meeting Document : SC-CAMLR-VII/03 Rev. 1 : Autor(es): Convener of the Working Group for CEMP and the Secretariat