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EXTRAPOLATING CONTINUOUS PLANKTON RECORDER DATA THROUGH THE SOUTHERN OCEAN USING BOOSTED REGRESSION TREES
fitted relationships explained 28–38% of the total variance in abundance (depending on method of cross ... multivariate space defined by all environmental data layers together. The multivariate statistic was used to ...
Meeting Document : WG-SAM-08/12 : Автор(ы): M.H. Pinkerton, A.N.H. Smith (New Zealand), B. Raymond, G. Hosie (Australia) and B. Sharp (New Zealand)
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Age and growth of Antarctic euphausiacea (crustacea) under natural conditions
years for the krill Euphausia superba. Growth in length and weight was calculated by non-linear ... Peninsula and the south-eastern Weddell Sea. Life spans range from two years for Euphausia frigida to six ... regressions. No difference in growth of krill was observed between the Antarctic Peninsula area and the ... and generation time of each species is given. In general, Antarctic euphausiids seem to remature and ... south-eastern Weddell Sea. Life spans range from two years for Euphausia frigida to six years for the ... krill Euthausia superba. Growth in length and weight was ca culated by non-linear regressions. No ... difference in growth of krill was observed between the Antarctic Peninsula area and the eastern Weddell Sea ... generation time of each species is given. In general, Antarctic euphausiids seem to remature and spawn at ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 369-370 : Автор(ы): Siegel, V.
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Fishery Report: Dissostichus eleginoides (TOP) Prince Edward Islands South African EEZ (Subareas 58.6 AND 58.7)
2008 21 55 69 145 0 145 2009 30 22 20 72 0 72 2010 74 77 72 224 0 224 2011 161 33 92 286 * 286 ... operating legally in that area in the corresponding years. Note that CCAMLR records indicated only one ... , Table 20. TOP 58.6, 58.7 6 Table 4: Estimated by-catch of seabirds in the South African EEZ ... ). 6.3 Pot fishery by-catch 20. This fishery was active only in 2004 and 2005. No by-catch of seabirds ...
Document : Site Section: Publications
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Vertical migrations of mackerel icefish (Champsocephalus gunnari) on the South Georgia shelf
commercial concentrations of C. gunnari in years of high abundance of the species (1982/83, 1983/84 and 1986 ... may be used for clarification of survey techniques used in stock assessment. For a number of years ... considered in the paper. A distinct pattern of daily vertical migrations of C. gunnari was observed on the ... South Georgia shelf. During the day, fish concentrate near the bottom in concentrations 5 to 7 m thick ... used in stock assessment. For a number of years scientists of AtlantNIRO have been conducting trawl ... Scientists of several nations have in recent years carried out stock assessment studies of channichthyids ... in years of high abundance (1982/83, 1983/84 and 1986/87). Catch-per-hour of fishing was analysed by ... data from research vessels which had been fishing for commercial concentrations of C. gunnari in ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 3–14 : Автор(ы): Frolkina, J.A. and V.I. Shlibanov
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Modelling the impact of fishery by-catches on albatross populations
shown marked declines in abundance throughout their range. These seabirds are frequently taken as by ... -catch in longline fisheries and this mortality has been implicated in the population declines. 2. We ... tuna longline fisheries south of 30 S, to model estimated by-catch levels and other population ... parameters in the model. 3. The model used two alternative assumptions about patterns of at-sea distribution ...
Meeting Document : WG-FSA-01/18 : Автор(ы): G. Tuck, T. Polacheck (Australia), J.P. Croxall (UK) and H. Weimerskirch (France)
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The fish diet of black-browed albatross Diomedea melanophrys and grey-headed albatross D. chrysostoma at South Georgia
1986 and 1994. Fish represented 30% and 72% by mass of the diet of black-browed albatrosses and 14% and ... 60% by mass of the diet of grey-headed albatrosses in 1986 and 1994 respectively. We determined the ... otoliths (54 representing 9 taxa and 57 representing 17 taxa in black-browed and grey-headed albatross ... samples respectively). For black-browed albatrosses in 1986 the main fish prey was Patagonotothen guntheri ...
Meeting Document : WG-EMM-96/11 : Автор(ы): Reid, K., Prince, P.A., Croxall, J.P.
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Documentation for the CCAMLR survey database and length-density analysis
. While appropriate in earlier years, this procedure constricted the type of survey data that could be ... Abstract: Over the past two years, the CCAMLR Data Centre has undertaken a major overhaul of the ... because of the increasing quantity and diversity of survey data and their importance in the assessments of ... stored in the CCAMLR database and placed limitations of their interpretation. The Data Centre’s extensive ...
Meeting Document : WG-FSA-00/11 : Автор(ы): Secretariat
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Hydrographic conditions around Elephant Island during austral spring 1994
colder than in previous years in the Elephant Island Plateau Region. Since the data base available to the ... , it is recommended to do a cooperative analysis of data sampled throughout the years in the Elephant ... Abstract: Based on a data set sampled during November/December 1994 in the Elephant Island ... author is very much limited to answer questions on year-to-year changes, or even on climatic time scales ...
Meeting Document : WG-EMM-95/16 : Автор(ы): Stein, M.
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Age and growth of Antarctic Euphausiacea (Crustacea) under natural conditions
years for the krill Euphausia superba. Growth in length and weight was calculated by non-linear ... Peninsula and the southeastern Weddell Sea. Life spans range from two years for Euphausia frigida to six ... regressions. No difference in growth of krill were observed between the Antarctic Peninsula area and the ... and generation time of each species is given. In general, Antarctic euphausiids seem to remature and ...
Meeting Document : SC-CAMLR-VI/BG/24 : Автор(ы): V. Siegel (FRG)
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Antarctic neritic krill Euphausia chrystallorophias: spatio-temporal distribution, growth and grazing rates
Prydz Bay region. Size frequency analysis indicated that the generation time was ~ 3 years in the Indian ... sector of the Southern Ocean. Total life span of E.crystallorophias may exceed 5 years in the Prydz Bay ... region and 4 years in the Cosmonaut Sea. Analysis of size distribution by sex showed that male ... Abstract: Dynamics of distribution, growth, life span and feeding were studied in the endemic ...
Meeting Document : WG-Joint-94/10 : Автор(ы): E.A. Pakhomov (Ukraine) and R. Perissinotto (South Africa)
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