Search results
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Acoustic monitoring and evaluation of krill in the Antarctic ecosystem Bransfield Strait and around Elephant Island during ANTAR XXI and XXII, aboard RV Humboldt, Peru
Abstract: Monitoring and hydroacoustic assessment of the distribution and biomass of krill ... multifrequency 120 and 38 kHz, respectively. This system is calibrated according to the procedure of ICES. For ... ; ANTAR XXII: 16 stations). Results indicated that krill swarms during the day swarms were recorded at ... from the surface to 20 m deep. A wide distribution of krill in the study area, the highest densities ...
Meeting Document : WG-EMM-16/76 : Author(s): R. Cornejo, M. Flores and J. Zuzunaga
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Advances are urgently needed in providing regular estimates of krill stock status based on the available data
include requests to “assess the status of krill” and “develop management advice … for management of krill ... further so that the working group is able to provide the advice requested in its establishing terms ... for WG-EMM include requests to “assess the status of krill” and “develop management ... requested in its establishing terms of reference. Finally, we emphasise that considerable uncertainty ...
Meeting Document : WG-EMM-2019/28 : Author(s): S. Hill, J. Hinke, N. Ratcliffe, P. Trathan and G. Watters
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Research plan for exploratory fishing for toothfish (Dissostichus spp.) in 2016/17 in Division 58.4.2 by France
absence of an assessment using the CCAMLR decision rules, the catch limit should remain unchanged at 35 ... Korean-flagged vessel undertook research fishing activity with a total reported catch of 11 tonnes. For ... 2016 a total of five vessels, one each from Australia, France, Japan, Korea and from Spain, have ... to participate and coordinate the operations of their research efforts with other members in order to ...
Meeting Document : WG-SAM-16/02 : Author(s): Delegation of France
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A drone-based Antarctic fur seal (Arctocephalus gazella) census of the St. Telmo Islands, South Shetland Archipelago
Shirreff and the Saint Telmo Islands. Although annual counts have been undertaken at Cape Shirreff since ... the 1990’s, logistical challenges have prevented surveys of the St Telmo Islands since 2008. Over the ... the peak of recent production in 1997. Given the historical importance of Cape Shirreff and St Telmo ... seal (Arctocephalus gazella) census of the St. Telmo Islands, South Shetland Archipelago Approval ...
Meeting Document : WG-EMM-2019/65 : Author(s): D.J. Krause and M.E. Goebel
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Seasonal and inter-annual variability in the distribution of Electrona carlsbergi in the southern Polar Front area (the area to the north of South Georgia is used as an example)
Paper Title: Seasonal and inter-annual variability in the distribution of Electrona carlsbergi in ... the southern Polar Front area (the area to the north of South Georgia is used as an example) Abstract ... of South Georgia Is between 49° to 54°S and 25° to 40°W. The area is within the Polar Frontal Zone ... inter-annual variability in distribution, density and biomass of the most abundant species of myctophids ... of the PFZ at various times of the year (rate of warming of the surface layer, rate of ... other words, the periphery of gyre formations at the junctions of various water masses. It appears that ... . carlsbergi formed fairly regular and large-scale concentrations. At the same time, the location of E ... which followed the line of the southern edge of the front. This pattern is broken at 400W where the ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 337–367 : Author(s): Kozlov, A.N., K.V. Shust and A.V. Zemsky
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Phytoplankton standing stocks in relation to krill in Antarctic waters
to 2400 kg, the percentage of kill occurrence varied from 0 to 100% at stations sampled. The ... , consisting of 32 diatoms and one dinoflagellete. Chaetoceros and Nitzschia spp. dominated the phytoplankton ... proliferation of certain phytoplankton species to bloom condition. Zooplankton biomass showed wide fluctuation ... phytoplankton and zooplankton in the region of krill swarm however showed active feeding by the latter on these ...
Meeting Document : WG-EMM-98/34 : Author(s): X.N. Verlecar, R. Vijayakumar, F. Saldhana and L. Martins (India)
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Transparency
to increased discoverability and document requests. In the 12 months to August 2016, 133 documents were ... requested. Primary redevelopment of the website is complete. Ongoing further development of additional ... discoverability and document requests. In the 12 months to August 2016, 133 documents were requested ...
Page : Site Section: The Organisation
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RESEARCH PLAN FOR TOOTHFISH IN DIVISION 58.4.4a & b BY SHINSEI MARU NO. 3 IN 2009/10
Abstract: In order to clarify stock status and biological characteristics of Dissostichus spp. in ... Division 58.4.4 a & b, a total of 124 research hauls are allocated on 10-minute latitude x 20-minute ... longitude grid points (spaced approximately 10 nautical miles apart). Almost all of the research hauls are ... distributed between 500 and 2,000 m sea depths over each SSRU, except only 2 hauls which are distributed at ...
Meeting Document : WG-SAM-09/11 : Author(s): Delegation of Japan
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Relationship between Antarctic krill (Euphausia superba) variability and westerly fluctuations and ozone depletion in the Antarctic Peninsula area
Abstract: An assessment of the environmental processes influencing variability in the recruitment ... and density of Antarctic krill (Euphausia superba) is important, as variability in krill stocks ... density with hypothesized environmental factors, including strength of westerly winds (westerlies ... and the strength of westerlies during 1982–1998. Years with strong westerlies during the austral ...
Meeting Document : WG-EMM-99/52 : Author(s): M. Naganobu, K. Kutsuwada, Y. Sasai and T. Taguchi (Japan) and V. Siegel (Germany)
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Using acoustic echo counting to estimate grenadier abundance in the Ross Sea (SSRU88.1I)
at seabed depths of 700–1000 m, and revealed consistent spatial patterns, with higher numbers of ... index the relative abundance of grenadiers and be useful for exploring spatial distribution. Automated ... . These methods can be applied to large volumes of relatively low quality, opportunistically collected ... longline catches of grenadiers and toothfish. Single targets were most abundant within 250 m of the bottom ...
Meeting Document : WG-FSA-14/62 : Author(s): Y. Ladroit, R.L. O’Driscoll and S. Mormede (New Zealand)