Search results
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A biomass estimate of Antarctic krill (Euphausia superba) at the Balleny Islands
Abstract: The biomass of Antarctic krill (Euphausia superba) at the Balleny Islands, Antarctica ... data processing followed the recommendations of CCAMLR SG-ASAM. Two parameterisations of the krill ... acoustic target strength model were used. The first parameterisation assumed a vertical orientation of ... krill, θ, as a normal distribution, mean = 11°, standard deviation = 4°, N(11,4), the second ...
Meeting Document : WG-EMM-15/17 Rev. 1 : Author(s): M.J. Cox (Australia), Y. Ladroit, P. Escobar-Flores and R.L. O’Driscoll (New Zealand)
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ANTARCTIC PENINSULA DECADAL WINTER TEMPERATURE ANOMALIES AND ANTARCTIC KRILL VARIABILITY IN THE SOUTH ATLANTIC REGION: PRELIMINARY RESULTS
Abstract: The influence of the climate change on krill based Southern Ocean ecosystem is studied ... intensively last decade. To study the possible connections between Antarctic Peninsula regional climate ... warming and ecosystem changes the data of Antarctic krill density (KRILLBASE data) and of surface air ... temperature (READER data) were used. Decadal variability of winter temperature on the regional scale was ...
Meeting Document : WG-EMM-11/41 : Author(s): G.P. Milinevsky, A.V. Grytsai and L.K. Pshenichnov (Ukraine)
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Modelling the circumpolar distribution of Antarctic toothfish (Dissostichus mawsoni) habitat suitability using correlative species distribution modelling methods
Abstract: Understanding and predicting the distribution of Antarctic toothfish (Dissostichus ... to CCAMLR’s management of this species. In this paper the use of Maxent models with fishery catch ... suitability is explored. Maxent is highly sensitive to biased sampling effort and the selection of background ... data. Hence, the influence of background data selection on Maxent model predictions using two ...
Meeting Document : WG-FSA-15/64 : Author(s): CCAMLR Secretariat
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Plans for the Joint SC-CAMLR and SC-IWC Workshop 2017–2018
models of the Antarctic marine ecosystem was discussed at the SC-CAMLR 2014, and a steering group to ... progress a Joint IWC–CCAMLR Workshop was formed (SC-CAMLR 2014 Paragraph 10.25). The joint workshop was ... management areas, possibly initially focussing on the Antarctic Peninsula given it is a high-priority area ... for both CCAMLR and IWC (IWC SC 2015 Report). The steering group developed a paper identifying draft ...
Meeting Document : WG-EMM-16/12 : Author(s): S. Kawaguchi and T. Kitakado (Co-conveners of the Joint SC-CAMLR and SC-IWC Workshop)
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CEMP camera installations by Ukraine at the Galindez, Petermann and Yalour Islands penguin colonies as a part of CEMP Fund project ‘Establishing a CEMP camera network in Subarea 48.1’
Abstract: In the report we describe the season activity in the Ukrainian Vernadsky Antarctic ... Station area on installation CEMP cameras in penguin colonies as part of the CEMP project run by USA ... monitor pengiune nests for breeding success and chronology. Cameras have been installed in the middle of ... establishing in all colonies the penguine chicks were in the nests already. We expect to receive photo ...
Meeting Document : WG-EMM-16/55 : Author(s): Delegation of Ukraine
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Characteristics of water flows in areas for Antarctic krill concentrations near the South Shetland Islands
Abstract: Water flows in harvestable areas for Antarctic krill (Euphausia superba) on the ... continental slope and shelf of the South Shetland Islands were examined based on drifting buoy data ... . Convergent complex eddies were observed in harvestable areas on the shelf, while shear current was observed ... in those on the slope. Large-scale movements of the buoys suggest krill flux from the South Shetlands ...
Meeting Document : WG-EMM-95/49 : Author(s): Naganobu, M., Ichii, T.
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Investigations on tagging data in the Kerguelen Islands Patagonian toothfish fishery (division 58.5.1)
Abstract: In 2014, FSA-14-36r1 presented a new assessment of Patagonian toothfish in the French ... EEZ. A singularity in the tagging fits was observed by the working group. A lower number of recaptures ... in the first year compare to the second year was noted (figure1). This paper is an overview of ... tagging data in Kerguelen area and the impacts on the Casal assessment. Author(s): R. Sinegre and G ...
Meeting Document : WG-SAM-15/43 : Author(s): R. Sinegre and G. Duhamel (France)
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Comparison of bootstrap methods for assessment of mackerel icefish (Champsocephalus gunnari) in CCAMLR Statistical Subarea 48.3 based on the ground fish survey
Abstract: The existing bootstrap used in the assessment of icefish biomass in CCAMLR subarea 48.3 ... was compared to an alternative rescaled bootstrap to compare the performance of the methods. The ... differences between the method were small (less than 5%) except for slightly lower 5%iles in 2002 and 2004 in ... the rescaled bootstrap. Author(s): T. Earl and N. Fallon Title: Comparison of bootstrap methods for ...
Meeting Document : WG-SAM-17/36 : Author(s): T. Earl and N. Fallon
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A revised Krill Trawl logbook for the 2019 season
Abstract: During the 2017 Scheme of International Scientific Observation workshop (WS-SISO), the ... data collection requirements for krill observers were discussed, with recommendations tabled in the WS ... -SISO Convener’s Report (SC-CAMLR-XXXVI/08) for amendments to the krill e-logbook used by SISO observers ... . This paper summarizes the changes to the e-logbook for proposed introduction in the 2019 season. Author ...
Meeting Document : WG-EMM-18/39 : Author(s): CCAMLR Secretariat
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Information on incidental mortality of seabirds and other protected species in the US West Coast pelagic longline fishery
Abstract: Although the IATTC does not have an established observer program in its longline ... subject to pertinent US regulations as well as under the purview of IATTC. In response to a CCAMLR query ... observed in the US West Coast pelagic longline fishery was reported by the US in WG-FSA-02/39. Per a ... standing request from CCAMLR for information on incidental seabird mortality in fisheries adjacent to the ...
Meeting Document : WG-FSA-03/39 : Author(s): D. Petersen, L. Enriquez and S. Fougner (USA)