Search results
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The reliability of VHF telemetry data for measuring attendance patterns of marine predators: a comparison with Time Depth Recorder data
Abstract: VHF radiotelemetry data has been used for over thirty years to monitor the behavior ... , there were significant differences in the number and duration of attendance bouts between the two instrument ... and decreasing cost over the last thirty years, TDRs are a more appropriate means to collect attendance data ... VHF radiotelemetry data has been used for over thirty years to monitor the behavior patterns ...
Meeting Document : WG-EMM-15/P05 : Author(s): A.D. Lowther, H. Ahonen, G. Hofmeyr, W.C. Oosthuizen, P.J. Nico De Bruyn, C. Lydersen and K. Kovacs
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Assessment of krill biomass in fishing grounds using the data on fishing intensity and hydroacoustic method
enough as multiple echo location of one and the same shoal is actually out of the question because ... enough as multiple echo location of one and the same shoal is actually out of the question because ... of the midwater trawl. Two methods were used for this purpose: modelil1ing the probabilistic-statistical theory ... of fishing trawls in order to illustrate the closeness of the two methods. The estimates of the krill biomass ...
Meeting Document : SC-CAMLR-VIII/BG/10 : Author(s): USSR
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A comparison of acoustic targets at South Georgia and the South Orkney Islands during a season of profound krill scarcity
; for example one echo-integration interval contained 104 times the mean krill density. An approximate six-fold ... one echo-integration interval contained 104 times the mean krill density. An approximate six-fold ... strength between the two frequencies (δMVBS = MVBS 120 kHz- MVBS 38 kHz) was used to partition acoustic ... difference in mean krill abundance was detected between the two areas, but in comparison with previously ...
Meeting Document : WG-EMM-95/75 : Author(s): Watkins, J.L., Brierley, A.S.
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Mean circulation and hydrography in the Ross Sea sector, Southern Ocean: representation in numerical models
and hydrography. Two were climate models of low (1°) to intermediate resolution (1/3°), and one was an operational ... . Two were climate models of low (1°) to intermediate resolution (1/3°), and one ...
Meeting Document : WG-EMM-10/P13 : Author(s): G.J. Rickard, M.J. Roberts, M.J.M. Williams, A. Dunn and M.H. Smith (2010)
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CHINSTRAP PENGUINS: MISUNDERSTOOD AND VULNERABLE MONITORS OF ECOSYSTEM CHANGES IN THE SCOTIA SEA REGION OF ANTARCTICA
, 30 years of field studies in the WAP, coupled with more regional surveys throughout the Scotia Sea ... ) populations have increased (1-5). However, 30 years of field studies in the WAP, coupled with more regional ...
Meeting Document : WG-EMM-09/17 : Author(s): W.Z. Trivelpice, J.T. Hinke, A.K. Miller, C. Reiss, S.G. Trivelpiece and G.M. Watters (USA)
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Distribution and abundance of Antarctic krill in the vicinity of Elephant Island during the 1994 austral summer
five years of AMLR surveys in the Elephant Island study area and one-fifth of the 1990-1992 average ... five years of AMLR surveys in the Elephant Island study area and one-fifth of the 1990-1992 average ...
Meeting Document : WG-Joint-94/09 : Author(s): R.P. Hewitt and D.A. Demer (USA)
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Towards an assessment of the stock of the ommastrephid squid Martialia hyadesi in the Scotia Sea: data from predators
and southern elephant seal this does not appear to be the case. Martialia probably has a life span of two years ... and southern elephant seal this does not appear to be the case. Martialia probably has a life span of two years ... Abstract: Cephalopod fisheries world-wide mainly target species from two families, Loliginidae ... consumer is the southern elephant seal which is estimated to consume 308016 tonnes per year. The proportion ...
Meeting Document : SC-CAMLR-IX/BG/13 : Author(s): Delegation of United Kingdom
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Conservation Measure Conservation Measure 41-11 (2015)
would be for one year and that data arising from these activities would be reviewed by the Scientific ... participating in the fishery shall have at least two scientific observers, one of whom shall be an observer ... be conducted by one (1) Australian, one (1) French, one (1) Japanese, one (1) Korean and one (1) Spanish ... 'S 90°00'E 66°00'S 90°00'E 66°00'S 94°00'E 65°30'S 94°00'E 65°30'S 95°00'E 64°00'S 95°00'E 64°00 ... Limits on the exploratory fishery for Dissostichus spp. in Statistical Division 58.4.1 in the 2015 ...
Conservation Measure : 41-11 (2015)
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Krill length frequency distribution in Subarea 48.3 in January–April 1988 in relation to sources of its origin
is considered in the frame of hypothesis of krill resources forming from two sources: Antarctic Circumpolar ... at the distance of about 30-60 miles, beyond boundary zone occurs larger krill with the mode of about 49 mm. Krill ... in the frame of hypothesis of krill resources forming from two sources: Antarctic Circumpolar Current ... in the coastal zone of about 7-40 miles wide, further is situated the boundary zone at the distance of about 30 ...
Meeting Document : WG-EMM-03/40 : Author(s): F.F. Litvinov, V.N. Shnar, A.V. Zimin and V.V. Lidvanov (Russia)
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Krill distribution related to water structure and dynamics on the South Georgia shelf in January 2000 (AtlantNIRO-BAS Core Programme 1999/2000)
and distribution were carried out in two standard boxes on the shelf and slope northwest and northeast of South ... • Juvenile krill of 30-36 mm length were observed in the shelf zone and larger specimens, including spawning ... carried out in two standard boxes on the shelf and slope northwest and northeast of South Georgia. Eight ... krill density was nearly 0.2 glm3 and in the eastern box was 1.8 - 4.7 glm3 • Juvenile krill of 30-36 mm ...
Meeting Document : WG-EMM-00/51 : Author(s): V.A. Sushin (Russia), P.P. Chernyshkov (Russia), F.F. Litvinov (Russia), J.L. Watkins (United Kingdom) and A.S. Brierley (United Kingdom)