Résultats de la recherche
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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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Persistent organic pollutants in stomach contents of Adélie penguins from Edmonson Point (Victoria Land, Antarctica)
Abstract: Stomach contents (n=43) of Ade lie penguin (Pygoscelis adeliae) nesting at Edmonson ... revealed concentrations of polychlorinated biphenyls (PCBs), including coplanar congeners, at 1.01 ng/g wet ... input of these persistent organic pollutants (POPs) through diet also was evaluated. The following ... concentration gradient of PCB isomer-specific classes was revealed: hepta-CB??hexa-CB??penta-CB. The most ...
Meeting Document : WG-EMM-03/58 : Auteur(s): S. Corsolini, S. Olmastroni, N. Ademollo, G. Minucci and S. Focardi (Italy)
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Survey and monitoring of black petrels on Great Barrier Island 1997
accessible through the entrance or easily excavated to reach their contents. Eighty four of these burrows ... set up in 1996 around the summit were monitored over the 1997 breeding season. A total of 54 burrows ... extrapolating from the grid burrows shows the population consists of 4 500 breeding birds and at least 685 non ... -breeding birds. Author(s): Delegation of New Zealand Title: Survey and monitoring of black petrels on ...
Meeting Document : SC-CAMLR-XVII/BG/08 : Auteur(s): Delegation of New Zealand
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Development of the krill stock in the elephant island region during the 1996/97 season
. Krill and salps were present at almost all of the stations, other epipelagic zooplankton species were ... /96, the present juvenile age group 1 +, does not repeat the very successful recruitment of the ... good recruitment of this year-class. At the same time the salp abundance was above average, but still ... one order of magnitude lower than in the salp bloom years 1992/93 and 1993/94. Author(s): Siegel, V ...
Meeting Document : WG-EMM-97/16 : Auteur(s): Siegel, V.
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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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Approaches to data collection and analysis for detecting and quantifying functional overlap at the scale of the individual vessell
Abstract: Summary Over the past years, the subject of whether there is a functional overlap ... , considers what types of scientific questions can be answered with the two approaches to data collection and ... analysis, to facilitate the discussion of WG-EMM on developing specific scientific questions and enabling ... the development of a robustly designed data collection programme. Author(s): M. Söffker and N. Gasco ...
Meeting Document : WG-EMM-18/33 : Auteur(s): M. Söffker and N. Gasco
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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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Diel vertical distribution of Antarctic krill around the South Shetland Islands in February 2019 and its potential effect on biomass estimation
Abstract: To address the potential effect of DVM behavior on krill biomass estimates, diel ... vertical distribution of krill swarms around the South Shetland Islands in Subarea 48.1 were analyzed based ... , while 16.5 % compared to 5.7 % of the corresponding total NASC value (m 2 n.mile-2) integrated for ... likely underestimate the krill density due to the shallow distribution pattern of the animal, which may ...
Meeting Document : SG-ASAM-2019/05 : Auteur(s): X. Wang, X. Yu, J. Zhang and X. Zhao