Résultats de la recherche
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Some specific features of the USSR krill fishery and possibilities of applying fishery statistics to studies of krill biology and stocks
their exploitation are considered. Using data obtained by the scouting vessel Globus engaged in regular ... the vessel rather than with krill abundance in a certain area. During preparations for regular fishing ... substantial fluctuations of catches during scouting operations often results in yields which do not correspond ... to the actual biomass of krill in the place in question. In both cases particular diurnal and long ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 237–252 : Auteur(s): Dolzhenkov, V.N., T.G. Lubimova, R.R. Makarov, S.S. Parfenovich and V.A. Spiridonov
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International CCAMLR applied research and monitoring program, Prydz Bay priority area
Australia towards the first five years of an International CCAMLR Applied Research and Monitoring Program in ... the Prydz Bay area. Emphasis is placed on the krill based part of the marine community in the Prydz ... the direct contribution which Australia proposes to make to a first five year program in this region ... year to year fluctuation in the abundance and distribution of the selected consumers and their key ... review. - 293 - 7. SHIP .TIME Australia allocates in the order of 40 days per year of ship time ... summer study in January-February 1989 (Section 7). The data from these cruises, together with data ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 283-295 : Auteur(s): Australia
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Directed research. Antarctic Marine Living Resources (AMLR). A program development plan
research vessel capable of operating in Antarctic waters for a period of 180 days each year. Note: The full ... . In the 50 years between 1930 and 1980 the populations of blue, fin, sei, and humpback whales are ... living resources in the ocean areas surrounding Antarctica. The program is in support of US participation ... in the Commission and Scientific Committee of the Convention for the Conservation of Antarctic Marine ... fleets has already contributed to the overexploitation of Antarctic fish stocks. In the 50 years ... conservation and management of the marine living resources in the ocean areas surrounding Antarctica. The ... program is in support of U.S. participation in the Commission and Scientific Committee of the Convention ... National Science Foundation, in consultation with the Secretary of State and the heads of other ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 363-373 : Auteur(s): Office of Science and Technology, NMFS, NOAA, US Department of Commerce (USA)
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Diet of the Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea, Antarctica (Subarea 88.1)
bottom longline in the Ross Sea during the 2001 and 2002 fishing seasons was analysed (3 937 and 5 426 ... stomachs examined respectively). Fish sampled in 2001 were caught at depths of 317 to 2 154 m and ranged ... from 58 to 190 cm in total length (TL). Fish sampled in 2002 were caught at depths of 815 to 1 623 m ... and ranged from 62 to 197 cm TL. A high proportion of stomachs were empty (34% in 2001 and 49% in 2002 ... in the previous year, the remainder were largely partly full (15% held traces of food, 20% held ... 30 fi sh during exploratory line sets. Stomachs from 3 937 D. mawsoni in 2001 and 5 426 D. mawsoni ... the category Crustacea for that year. Live amphipods and isopods were also found in a few stomachs ... were dominated by squid (20–33 cm mantle length), with remnants of small fi shes in one stomach and ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 113–123 : Auteur(s): Fenaughty, J.M., D.W. Stevens and S.M. Hanchet
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Sensitivity analysis for parameters of predatory species CCAMLR Ecosystem Monitoring Program
such a treatment of data obtained at the Magnetic Island Adélie penguin colony in Prydz Bay in the 1987 ... (% Current Value) (20 %) 5 5 (30%) 2 3 Sample sizes required for five years of monitoring and a = 0.10 ... distribution of the data did not differ significantly from normality in either year (Kolmogorov-Smirnov one ... Difference (d) ( 1 0 %) 34 54 (% Current Value) (20 %) 9 1 4 (30%) 5 7 Sample sizes required for five ... (30%) 4 6 418 0.9 88 25 7 4 71 20 0.9 72 1 9 9 71 1 8 8 Table 4 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 411–432 : Auteur(s): Whitehead, M.D.
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Age and growth of spiny icefish (Chaenodraco wilsoni Regan, 1914) off Joinville–D’Urville Islands (Antarctic Peninsula)
Islands (Antarctic Peninsula) in February–March 2006 and January 2007. A total of 218 specimens were ... annuli on transverse sections obtained by grinding and polishing whole otoliths embedded in epoxy resin ... in moulds. The precision of age estimates between readings was tested applying both the average ... , although it had a much shorter life span. The part of the population of C. wilsoni caught in the study area ... population (c). 0 5 10 15 20 25 30 35 40 0 1 2 3 4 5 6 Age (years) To ta l l en gt h (c m ) a(a ... 20 25 30 35 40 0 1 2 3 4 5 6 Age (years) To ta l l en gt h (c m ) c(c) Age (years) To ta ... 15 20 25 30 35 40 0 1 2 3 4 5 6 Age (years) To ta l l en gt h (c m ) b(b) Age (years) 0 ... dominated by a strong peak at 26 cm TL, with two other well-defined modes at 20 and 30 cm TL (Figure 3b ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 115–130 : Auteur(s): La Mesa, M., A. De Felice, C.D. Jones, K.-H. Kock
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Breeding numbers and success of Eudyptes penguins at Marion Island, and the influence of mass and time of arrival of adults
, there was substantial correlation in the numbers of adults breeding at study colonies of macaroni ... conditions may also affect breeding success. Trends in breeding success between study colonies were more ... Oscillation event of 1997/98, there was no significant correlation in mass on arrival between the two species ... penguins (Eudyptes chrysolophus) over 26 years, as there was also for eastern rockhopper (E. chrysocome ... Marion Island Trypot Hole than at the other two colonies. Over the 20-year period, it averaged 0.49 ... 20 km to feed (Schiavini and Rey, 2004). In the Falkland/Malvinas Islands, southern rockhopper ... abundant. If only heavy chicks survive in such years, the mean mass may be higher than in years when ... relationship between the two parameters for rockhopper penguins. However, for macaroni penguins, in years of ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 175–190 : Auteur(s): Crawford, R.J.M., B.M. Dyer, J. Cooper and L.G. Underhill
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Analyses of acoustic line-transect data from the waters around South Georgia: estimation of krill (Euphausia superba Dana) – biomass
of zooplankton stocks in the waters around South Georgia was carried out during November and December ... 1981. The data have been analysed using various definitions of strata. The total biomass in the area of ... sections approximately 30 n miles in length. Each section was further divided into 1 n mile integration ... may be available in the region in any year. For 6.7 x 106 tonnes to be available in a year and ... estimates obtained for the region in other years. The above analyses have highlighted that the various ... WG-KRILL-91/30 ANALYSES OF ACOUSTIC LINE-TRANSECT DATA ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 225–243 : Auteur(s): Murphy, E., I. Everson and A. Murray
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Joinville–D’Urville Islands (Subarea 48.1) – a former fishing ground for the spiny icefish (Chaenodraco wilsoni), at the tip of the Antarctic Peninsula – revisited
: The former fishing ground off Joinville–D’Urville Islands was revisited in the course of the Antarctic ... Expedition ANT XIX/3 by RV Polarstern in February 2002. Five hauls were conducted north of the two islands at ... depths of 149 to 282 m on 21 February 2002. Published and unpublished reports from fishing operations in ... the 1970s and 1980s by the Fischkombinat in Rostock (former GDR), Sea Fisheries Institute in Gdynia ... two concentrations of C. wilsoni at 62°20’–62°30’S 55°30’–56°00’W in the northern part of the shelf ... – D’Urville Islands in January 1978 to May 1979. 0 5 10 15 20 25 30 0 5 10 15 20 25 30 35 Length ... 20% of the research vessel catch in 2002, and small numbers of icefi sh species other than C ... and in midwater. A small-meshed liner of 40 and 20 mm respectively was used in the codend during ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 1–20 : Auteur(s): Kock, K.-H., L. Pshenichnov, C.D. Jones, K. Shust, K.E. Skora and Zh.A. Frolkina
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The utilization of seabird censuses for krill monitoring
: The possibility of using bird observations made at sea as a means of monitoring krill in the Antarctic ... capable of detecting changes in bird abundance and/or species composition, associated with three levels of ... sample the same spot under the same conditions in two consecutive years. Moreover, other parameters ... possibility of using bird observations made at sea as a means of monitoring krill in the Antarctic ocean is ... of detecting changes in bird abundance and/or species composition, associated with three levels of ... changes in the Antarctic ecosystem will first appear as changes in biological parameters of the species ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 393-425 : Auteur(s): Marschoff, E.R., J.G. Visbeek and L.R. Fontana