Résultats de la recherche
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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)
where mesopelagic fish from the family Myctophidae are found most frequently and regularly. Seasonal and ... distribution of zooplankton. E. carlsbergi was found over the entire study area. The largest concentrations of ... the species, however, were found mainly along edges of the frontal zone where such fundamental ... majority of which are characterised by circumpolar distribution. The most abundant myctophid species are ... density Mean density by volume 11 I: 11 , : i I i :/ i / / I I ·, . .' Ps =51.9 t ... in density by volume: at 17:00 - Pv=0.03 specimens/m3 or 0.16 g/m3. , ' I I ! , , i I ' I ... /mile2; at 12:00 - Ps =24.8 tonne/mile2• Change in density by volume: at 7:00 - Pv=O.01 specimens/m3 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 337–367 : Auteur(s): Kozlov, A.N., K.V. Shust and A.V. Zemsky
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Book review – Biogeographic Atlas of the Southern Ocean
by the Scientific Committee on Antarctic Research, Scott Polar Research Institute, Lensfield Road ... history of biogeography and bioregionalisation in the Southern Ocean that is followed by a description ... , compiled and validated by the SCAR Marine Biodiversity Information Network for the atlas, is now publicly ...
Science Journal Paper : CCAMLR Science, Volume 22 (CCAMLR Science, Volume 22) : 45-46 : Auteur(s): Reid, K.
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Food and feeding of the mackerel icefish (Champsocephalus gunnari) around South Georgia in January/February 1991
areas of krill concentrations. In years of low krill abundance it is replaced in the diet by the ... . MATERIALANDMETHODS The stomach contents of mackerel icefish were qualitatively analysed by one of us (K.-H. Kock ... . The occurrence of each taxon in the stomach was recorded and augmented by information on their ... observations in March 1976, however, are probably largely biased by their small sample size (n = 113) and the ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 15–23 : Auteur(s): Kock, K.-H., I. Everson, S. Campbell, G. Parkes, Z. Cielniaszek and J. Szlakowski
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Editorial
as the more traditional peer-review process. The breadth of information considered by CCAMLR is ... to help build the capacity to deliver excellent science into the future, has been recognised by ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 243
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Commercial fishing vessels as research vessels in the Antarctic – requirements and solutions exemplified with a new vessel
acoustic assessment (De Robertis and Handegard, 2013). While noise-induced escape behaviour by krill will ... requirements pre- sented by IMR in the building process to minimise extra cost. The concept is that the vessel ... frequencies (from RV G.O. Sars). The intention is that the tip can be demounted and replaced by another ... foraging by Antarctic krill: implications for stock assess- ment, bentho-pelagic coupling, and the verti ...
Science Journal Paper : CCAMLR Science, Volume 21 (CCAMLR Science, Volume 21) : 11–17 : Auteur(s): Godø, O.R., C. Reiss, V. Siegel, J.L. Watkins
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The status of krill (Euphausia superba DANA) resources in CCAMLR Statistical Divisions 58.4.2 and 58.4.3 from 1988 to 1990. Results of acoustic surveys
paper. It was found that the increase in krill biomass observed in the area in 1990 is linked with the ... determined by a technique based on the processing of echo sounder records and trawl catch data, but after ... length were observed over the continental slope between 61 ° and 62°30'E. Daily catches by scientific ... krill (%) in the Sodruzhestva Sea (65°30' to 68°oo'S, 60° to 800 E) from 1988 to 1990. (Sampling by ... ). Results of surveys conducted from 1988 to 1990 are discussed in the paper. It was found that the increase ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 163–173 : Auteur(s): Bibik, V.A. and V.N. Yakovlev
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Southern elephant seals and CCAMLR
elephant seals move widely about the oceans, as evidenced by their visits to the continents abutting on ... displacement into colder water as demonstrated by their presence in the Vestfold Hills, 2 000 km distant from ... therefore be affected differently by environmental conditions. This postulate is important in view of the ... . The last includes not only elephant seals of the Kerguelen archipelago, but also those found at ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 465-473 : Auteur(s): Bester, M.N. and D.G.M. Miller
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Characteristics of seasonal variation in diurnal vertical migration and aggregation of Antarctic krill (Euphausia superba) in the Scotia Sea, using Japanese fishery data
48.3; SG) areas from 1980 to 2003 were examined. On the fi shing grounds, detection by echo sounder ... harvesting operation on each vessel. Adjustments to the trawl depth are made by tracking the swarm depth as ... other areas (Figure 3). The ratio of maximum CPUE to minimum CPUE by brightness category was 1.2–2.1 ... change of catch effi ciency of saury larvae and juveniles by a neuston net. Bull. Jpn. Soc. Fish ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 163–172 : Auteur(s): Taki, K., T. Hayashi and M. Naganobu
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Revised estimates of the area of the South Georgia and Shag Rocks shelf (CCAMLR Subarea 48.3)
, the reliability of existing sea floor area estimates was found to vary spatially and between different ... and cost effectively. This has led to the recent development by British Antarctic Survey (BAS) of ... region. The new data are compared with estimates of seabed area derived from nauti- cal charts by ... for the corresponding grid squares estimated from nautical charts by Everson and Campbell (1990 ... reliability of existing sea floor area estimates was found to vary spatially and between different depth ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 167–175 : Auteur(s): Belchier, M. and P. Fretwell
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Areas of seabed within selected depth ranges in the South-West Atlantic and Antarctic Peninsula regions of the Southern Ocean
kilometers by reference to the scale at the relevant latitude. The results are set out in Tables 1 - 15 ... South Georgia" Edition 1. Compiled by R.B. Heywood and L.S. AlIen, British Antarctic Survey. BAS (Mise ... Georgia" Edition 1. Compiled by R.B. Heywood and L.S. AlIen, British Antarctic Survey. BAS (Misc) 4 ... ) ,' ...... ,~'.~ 88 48.5 Figure 1 Subareas designated by FAO in the south-west Atlantic Ocean. (::' 100 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 49-73 : Auteur(s): Everson, I.