Résultats de la recherche
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A review and update of krill biomass trends in the South Shetland Islands, Antarctica, using the simplified stochastic wave born approximation
review the trends in biomass, size frequency distribution and proportional recruitment of Antarctic Krill ... . Use of acoustic windows based on the range of krill size increases variability in biomass estimates ... of analysis, to better account for process and model error structure, now that a physically based ... review and update of krill biomass trends in the South Shetland Islands, Antarctica, using the simplified ...
Meeting Document : WG-EMM-06/32 : Auteur(s): C.S. Reiss and A.M. Cossio (USA)
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Using carapace measurements to determine the sex of Antarctic krill (Euphausia superba)
validating the use of discriminant functions to determine sex of krill based on carapace length and width and ... derived from mature krill in years following significant recruitment events with large proportions of ... immature krill resulted in significant bias towards male krill and an overestimation of krill length. We ... measurements to determine the sex of Antarctic krill (Euphausia superba) Approval: Approved ...
Meeting Document : WG-EMM-05/26 : Auteur(s): J.D. Lipsky, M.E. Goebel, C.S. Reiss and V. Loeb (USA)
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A review of conversion factors used in CCAMLR toothfish fisheries
integral to the reporting of catches and reconciling those catches with data reported via the CDS. This ... be required to better understand the sources of this variability. The results suggest that a ... reconciliation between the reported catch for a vessel and the weight of product reported in a catch document ... submitted to the CDS should be based on a conversion of the ‘green weight’ for each haul in the C2 data to a ...
Meeting Document : WG-FSA-15/02 : Auteur(s): CCAMLR Secretariat
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Progress report of the CEMP Special Fund camera network in Subarea 48.1
Abstract: We provide a brief update on the progress of our project “Establishing a CEMP Camera ... species (Adélie, gentoo, and chinstrap) of penguins throughout the range of the camera network. Data ... report of the CEMP Special Fund camera network in Subarea 48.1 Microsoft Word File: emm-17-16r1.docx ... documents: United States of America ...
Meeting Document : WG-EMM-17/16 Rev. 1 : Auteur(s): J. Hinke, G. Watters, M. Santos, M. Korczak-Abshire, G. Milinevsky, V. Lytvynov, A. Barbosa, C. Southwell and L. Emmerson
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Preliminary results on the distribution and abundance of Antarctic krill (Euphausia superba) in the Weddell Sea, Southern Ocean
Abstract: Hydroacoustic data were collected to study the distribution and abundance of Antarctic ... 200 kHz transducers mounted on the drop keel of the research vessel were used to collect acoustic data ... ; where the first year (2014) of the study logged acoustic data during daytime only whilst surveys in ... . Collections of acoustic data from dedicated and opportunistic surveys for this work indicate that the RV SA ...
Meeting Document : SG-ASAM-18/09 : Auteur(s): F.W. Shabangu
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Krill associated ecosystem studies in the western Indian Ocean sector of the Southern Ocean during austral summer
the Western Indian Ocean sector of the Southern Ocean, through in-situ ship survey in the area during ... Austral summer 2019-20. The proposed objectives are to to understand the distribution and biomass of krill ... in the western Indian Ocean Sector of the Southern Ocean, to relate larval/adult krill with the ... prevailing oceanographic/environmental set-up, to examine the spatial pattern of the resource and the forcing ...
Meeting Document : WG-EMM-2019/79 : Auteur(s): B.R. Smitha, H. Manjebrayakath, C.R. Asha Devi, N. Saravanane and M. Sudhakar
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A GIS OF CCAMLR SPATIAL MANAGEMENT AREAS AND CONSERVATION MEASURES
GIS facilitates easy mapping of CCAMLR’s spatial management framework and associated conservation ... measures. This paper describes the structure of the GIS database and provides example outputs. The utility ... of the GIS will be maximised by ensuring that it is kept up to date and easily accessible to ... OF CCAMLR SPATIAL MANAGEMENT AREAS AND CONSERVATION MEASURES Approval: Approved ...
Meeting Document : WG-EMM-11/22 : Auteur(s): P. Fretwell, S.M. Grant and S.L. Hill (UK) and S. Parker (New Zealand)
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Conceptual model of icefish (Champsocephalus gunnari)
Abstract: The Convention for the Conservation of Antarctic Marine Living Resources (CCAMLR) is ... currently considering plausible models of the Southern Ocean ecosystem within the Working Group on Ecosystem ... Monitoring and Management (WG-EMM). The icefish, Champsocephalus gunnari, is one of the key components in the ... (Australia) Title: Conceptual model of icefish (Champsocephalus gunnari) Approval: Approved ...
Meeting Document : WG-EMM-04/59 : Auteur(s): R. Williams (Australia)
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Estimation of chlorophyll distributions obtained from satellite images (Nimbus-7/CZCS) in the Antarctic Ocean
{Coastal Zone Color Scanner) could be related to distribution of phytoplankton pigment (Chlorophyll-a ... + pheopigments) concentrations. CZCS data from polar regions have been utilized only a limited number because of ... constraints. This papar discusses the characterization of phytoplankton pigment concentrations. Author(s): N ... . Kimura, Y. Okada, S. Matsumura and Y. Sugimori (Japan) Title: Estimation of chlorophyll distributions ...
Meeting Document : WG-KRILL-93/39 : Auteur(s): N. Kimura, Y. Okada, S. Matsumura and Y. Sugimori (Japan)
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Food and feeding of the mackerel icefish (Champsocephalus gunnari) around South Georgia in January/February 1991
Abstract: The diet composition and feeding intensity of mackerel ice fish (Champsocephalus ... stations. Both, the proportion of krill (Euphausia superba) in the stomachs and the feeding intensity were ... uncommonly low in a period when energy-rich food is needed for the final maturation of the gonads. Author(s ... . Szlakowski (Poland) Title: Food and feeding of the mackerel icefish (Champsocephalus gunnari) around South ...
Meeting Document : WG-FSA-91/29 : Auteur(s): K.-H. Kock (Germany), I. Everson, S. Campbell and G. Parkes (United Kingdom), D. Cielniaszek and J. Szlakowski (Poland)