Résultats de la recherche
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A balanced model of the food web of the Ross Sea, Antarctica
Paper Title: A balanced model of the food web of the Ross Sea, Antarctica Abstract / Description ... : A quantitative food web of the Ross Sea is presented here as a step towards investigating ecosystem ... effects of the fishery for Antarctic toothfish (Dissostichus mawsoni). The model consolidates quantitative ... information on trophic links across all the major biota of the Ross Sea and tests for data consistency. The ... scaled by P to obtain the actual flows of carbon (equation 2). After adjustment in this way by SVD ... MODEL OF THE FOOD WEB OF THE ROSS SEA, ANTARCTICA M.H. Pinkerton, J.M. Bradford-Grieve National ... A quantitative food web of the Ross Sea is presented here as a step towards investigating ecosystem ... effects of the fishery for Antarctic toothfish (Dissostichus mawsoni). The model consolidates ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 1–31 : Auteur(s): Pinkerton, M.H., J.M. Bradford-Grieve and S.M. Hanchet
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Analysis of albatross and petrel distribution within the CCAMLR Convention Area: results from the Global Procellariiform Tracking Database
Paper Title: Analysis of albatross and petrel distribution within the CCAMLR Convention Area ... : results from the Global Procellariiform Tracking Database Abstract / Description: CCAMLR has implemented ... successful measures to reduce the incidental mortality of seabirds in most of the fisheries within its ... , unreported and unregulated (IUU) fishing. This paper presents an analysis of the distribution of albatrosses ... AnAlysis of AlbAtross And petrel distribution within the CCAMlr Convention AreA: results froM the GlobAl ... Programme c/o Royal Society for the Protection of Birds The Lodge, Sandy Bedfordshire SG19 2DL United ... the incidental mortality of seabirds in most of the fisheries within its jurisdiction, and has done ... ) fishing. This paper presents an analysis of the distribution of albatrosses and petrels in the CCAMLR ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 143–174 : Auteur(s): BirdLife International (prepared by C. Small and F. Taylor)
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Large-scale peculiarities of phytocenosis species composition in the surface layer in the Antarctic Atlantic and Indian Ocean sectors
Paper Title: Large-scale peculiarities of phytocenosis species composition in the surface layer ... in the Antarctic Atlantic and Indian Ocean sectors Abstract / Description: In surface phytoplankton ... dominated over vast areas within the distribution of the south peripheral waters and the centre of the ... Weddell Gyre. In the eastern Weddell Gyre a great change in the composition of phytoplankton species was ... PHYTOCENOSIS SPECIES COMPOSITION IN THE SURFACE LAYER IN THE ANTARCTIC ATLANTIC AND INDIAN OCEAN SECTORS ... the distribution of the south peripheral waters and the centre of the Weddell Gyre. In the eastern ... Weddell Gyre a great change in the composition of phytoplankton species was registered. Variability in ... phytoplankton species composition occurred mainly in the Antarctic Convergence Zone. A seasonal shift in ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 201-214 : Auteur(s): Makarov, R.R. and K.P. Fedorov
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Status of the FIBEX acoustic data from the West Atlantic
Paper Title: Status of the FIBEX acoustic data from the West Atlantic Abstract / Description ... : Data from the FIBEX acoustic survey in the West Atlantic sector have been re-examined to check the ... consistency between the results from four of the vessels, Itzumi, Dr Eduardo L. Holmberg, Odissey and Walther ... Herwig. While there is an error factor due to the combination of data collected at 50 kHz (Walther Herwig ... CCAMLR Science, Vol. 1: 35-48 STATUS OF THE FIBEX ... ACOUSTIC DATA FROM THE WEST ATLANTIC P.N. Trathan and I. Everson British Antarctic Survey High Cross ... , Madingley Road Cambridge CB3 OET, United Kingdom Abstract Data from the FIBEX acoustic survey in the ... West Atlantic sector have been re-examined to check the consistency of krill abundance estimates ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 35–48 : Auteur(s): Trathan, P.N. and I. Everson
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Optimization of survey sampling design in the detection of interannual variability and prey size selectivity in the diet of penguins
Paper Title: Optimization of survey sampling design in the detection of interannual variability ... and prey size selectivity in the diet of penguins Abstract / Description: Based on the preliminary ... results of a survey of prey size in Adélie penguins, sampling designs intended for the detection of inter ... the optimal allocation of observations at each level in nested ANOVA designs. The optimal numbers of ... THE DETECTION OF INTERANNUAL VARIABILITY AND PREY SIZE SELECTIVITY IN THE DIET OF PENGUINS E ... . Marschoff and B. Gonzalez* Abstract Based on the preliminary results of a survey of prey size in Adelie ... penguins, sampling designs intended for the detection of interannual variations in mean prey size and ... penguin size-related selectivity were analyzed in order to find the optimal allocation of observations at ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 551–559 : Auteur(s): Marschoff, E. and B. Gonzalez
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Areal and seasonal extent of sea-ice cover off the northwestern side of the Antarctic Peninsula: 1979 to 1996
Paper Title: Areal and seasonal extent of sea-ice cover off the northwestern side of the ... measuring 1.25 x 10 6 km 2 off the northwestern side of the Antarctic Peninsula indicates that there were ... four periods of extensive ice cover during the last 18 years. Variability in seasonal timing, areal ... with features described by Stammerjohn and Smith (1996) for ice cover in the Bellingshausen Sea ... EXTENT OF SEA-ICE COVER OFF THE NORTHWESTERN SIDE OF THE ANTARCTIC PENINSULA: 1979 TO 1996 R.P. Hewitt ... sea-ice cover of an area measuring 1.25 X l o b km2 off the northwestern side of the Antarctic ... Peninsula indicates that there were four periods of extensive ice cover during the last 18 years ... cover in the Bellingsliausen Sea. Periods of extensive winter ice cover peaked in 1980, 1986, 1991 and ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 65–73 : Auteur(s): Hewitt, R
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Revised estimates of seabed areas within the 500 m isobath of the South Orkney Islands (subarea 48.2) and consequences for standing stock biomass estimates of nine species of finfish
Paper Title: Revised estimates of seabed areas within the 500 m isobath of the South Orkney ... Abstract / Description: A revised bathymetric map of the South Orkney Islands (Subarea 48.2) was generated ... using several integrated bathymetric databases and newly available acoustic seafloor data. The region ... extends between 60.2 o-62.2 o S latitude and 42.5 o-47.5 o W longitude. From the integrated datasets ... REVISED ESTIMATES OF SEABED AREAS WITHIN THE 500 M ISOBATH OF THE SOUTH ORKNEY ISLANDS (SUBAREA 48.2) AND ... Resources Program PO Box 271, La Jolla, Ca. 92038, USA Abstract A revised bathymetric map of the South ... available acoustic seafloor data. The region extends between 60.2"-62.2"s latitude and 42.5O47.5"W ... longitude. From the integrated datasets, areas of seabed within the 500 m isobath (i.e. 0-500 m) were ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 197–204 : Auteur(s): C.D. Jones
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The gentoo penguin as a candidate species for the CCAMLR Ecosystem Monitoring Program
Paper Title: The gentoo penguin as a candidate species for the CCAMLR Ecosystem Monitoring ... years at Bird Island, South Georgia and at the South Shetland Islands (both within Integrated Study ... Regions (ISRs) of the CCAMLR Ecosystem Monitoring Program), we suggest (and provide a full bibliography of ... supporting literature) that the gentoo penguin meets the specified criteria qualifying species for inclusion ... WG-CEMP-90/14 THE GENTOO PENGUIN AS A CANDIDATE SPECIES ... FOR THE CCAMLR ECOSYSTEM MONITORING PROGRAM IP. Croxall and T.n. Williams* Abstract Based on ... at the South Shetland Islands (both within Integrated Study Regions (ISRS) of the CCAMLR Ecosystem ... Monitoring Program), we suggest (and provide a full bibliography of supporting literature) that the gentoo ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 483–488 : Auteur(s): Croxall, J.P. and T.D. Williams
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Natural mortality of grey rockcod (Notothenia squamifrons) in various areas of the Indian sector of the Southern Ocean
Paper Title: Natural mortality of grey rockcod (Notothenia squamifrons) in various areas of the ... Indian sector of the Southern Ocean Abstract / Description: The rate of natural mortality of grey ... rockcod (Notothenia squamifrons) on the Ob and Lena Banks and the Kerguelen Shelf were determined using ... three independent methods. From the values obtained the means were taken to be the most reliable. These ... (NOTOTHENIA SQUAMIFRONS) IN VARIOUS AREAS OF THE INDIAN SECTOR OF THE SOUTHERN OCEAN A.K. Zaitsev ... Abstract The rate of natural mortality of grey rockcod (Notothenia squamifrons) on the Ob and Lena Banks ... and the Kerguelen Shelf were determined using three independent methods. From the values obtained ... the means were taken to be the most reliable. These were 0.38, 0.36 and 0.33 for the above areas ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 141–146 : Auteur(s): Zaitsev, A.K.
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Survey of Antarctic fur seals in the South Shetland Islands, Antarctica, during the 1986/87 austral summer
Paper Title: Survey of Antarctic fur seals in the South Shetland Islands, Antarctica, during the ... 1986/87 austral summer Abstract / Description: A survey of Antarctic fur seals in the South Shetland ... Islands, Antarctica, during the 1986/87 austral summer indicated that this species is continuing its ... . Twelve fur seal pupping sites were identified, some of which had not previously been reported. The ... ANTARCTIC FUR SEALS IN THE SOUTH SHETLAND ISLANDS, ANTARCTICA, DURING THE 1986/87 AUSTRAL SUMMER J.L ... Antarctic fur seals in the South Shetland Islands, Antarctica, during the 1986/87 austral summer indicated ... not previously been reported. The largest pupping sites are at Telmo Island and Cape Shirreff, on ... the north coast of Livingston Island. Total fur seal pup production in the South Shetland Islands in ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 427-440 : Auteur(s): Bengtson, J.L., L.M. Ferm, T.J. Härkönen, E.G. Schaner and B.S. Stewart