Résultats de la recherche
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Modelling and decision making as part of the CCAMLR management regime
Paper Title: Modelling and decision making as part of the CCAMLR management regime Abstract ... / Description: This paper outlines a stylised scheme designed to address the multi-objective decision ... environment essential for the effective management of the Antarctic marine ecosystem within the requirements ... horizons, time steps, constraints and data) were identified in an attempt to provide a blueprint for the ... the Antarctic marine ecosystem, it appears inevitable that no single model will be flexible enough ... present no coherent management plan has yet been formulated for the system briefly outlined above ... population, there is no real need to have both predators and prey as variables in the model - prey ... AS PART OF THE CCAMLR MANAGEMENT REGIME D.G.M. Miller (South Africa) Abstract This paper ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 295-322 : Auteur(s): Miller, D.G.M.
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An assessment of the exploratory fishery for Dissostichus spp. on BANZARE Bank (CCAMLR Division 58.4.3b) based on fine-scale catch and effort data
Paper Title: An assessment of the exploratory fishery for Dissostichus spp. on BANZARE Bank ... (CCAMLR Division 58.4.3b) based on fine-scale catch and effort data Abstract / Description: In 2006, the ... CCAMLR Scientific Committee expressed concern as to the status of the stock on which the exploratory ... biological data submitted by scientific observers on board vessels in the fishery. Results of a Leslie ... effort in the fishery. Given the short period fished by vessels in each season (December to March), no ... data recorded for total catch weight, 21 had no data recorded for total number of fish caught, and the ... remainder had no soak time recorded. Of the latter, recorded longline set and haul times could not rea ... captured no D. elegi- noides. While clearly D. mawsoni has proved the pri- mary species captured by the ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 55–78 : Auteur(s): McKinlay, J.P., D.C. Welsford, A.J. Constable and G.B. Nowara
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Analysis of haul data from the South Georgia krill fishery
Paper Title: Analysis of haul data from the South Georgia krill fishery Abstract / Description ... : Data from individual hauls carried out by vessels operating in the South Georgia krill fishery between ... 1994 and 1996 were examined and a range of descriptive measurements reflecting the fishery operation ... were produced. The measurements emphasise that the krill fishery at South Georgia was geographically ... DATA FROM THE SOUTH GEORGIA KRILL FISHERY P.N. Trathan, I. Everson and E.J. Murphy British Antarctic ... out by vessels operating in the South Georgia krill fishery between 1994 and 1996 were examined and a ... range of descriptive measurements reflecting the fishery operation were produced. The measurements ... emphasise that the krill fishery at South Georgia was geographically focused, operating in a limited area ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 9–30 : Auteur(s): Trathan, P.N., I. Everson, E.J. Murphy and G.B. Parkes
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Comparative feeding ecology of Patagonian toothfish (Dissostichus eleginoides) in the southwestern Atlantic
the southwestern Atlantic Abstract / Description: The diet of Patagonian toothfish (Dissostichus ... eleginoides) was investigated in two offshore regions in the southwestern Atlantic: on the Argentinian ... °-45°W. The South Georgia area was divided into two zones: the shelf zone and deep-water zone. On the ... Argentinian continental shelf/slope, the length of D. eleginoides ranged from 30 to 95 cm total length (TL ... that D. eleginoides is an opportunistic feeder. We found no significant differences in the diet and ... FEEDING ECOLOGY OF PATAGONIAN TOOTHFISH (DISSOSTICHUS ELEGINOIDES) IN THE SOUTHWESTERN ATLANTIC S.B ... Plata, Argentina Abstract The diet of Patagonian tootl~fish (Dissosfich~~s clegit~oides) was ... investigated in two offshore regions in the southwestern Atlantic: on the Argentinian continental shelf/slope ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 105–124 : Auteur(s): García de la Rosa, S.B., F. Sánchez and D. Figueroa
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Biomass, abundance and distribution of fish in the Kerguelen Islands EEZ (CCAMLR Statistical Division 58.5.1)
Paper Title: Biomass, abundance and distribution of fish in the Kerguelen Islands EEZ (CCAMLR ... conducted from September to October 2006 in the northern part of the Kerguelen Plateau (CCAMLR Statistical ... Division 58.5.1). The swept-area method was used in the depth range from 100 to 1 000 m with 207 random ... stratified stations. Estimates of biomass and abundance were produced for eight commercial species. The total ... , no real changes in the fishery meth- ods appeared and the catches of the target species drastically ... ) but, with no recent surveys avail- able, the urgent need to produce new estimates to improve the ... considerable amount of time since the previous survey (1987/88), no exist- ing data on fish species ... of these hauls were nevertheless used in the analysis because no major problems occurred (no net ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 1–32 : Auteur(s): Duhamel, G. and M. Hautecoeur
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Biology and harvesting of Dissostichus eleginoides around the Kerguelen Islands (Division 58.5.1)
Paper Title: Biology and harvesting of Dissostichus eleginoides around the Kerguelen Islands ... species in the fisheries of the Southern Ocean. In Division 58.5.1, a directed trawl fishery has been in ... operation since 1984/85 and has expanded in the deep western sector of the Kerguelen Shelf. This fishery ... harvests the sub-adult/adult part of the stock. Fishing effort and corresponding catches are very variable ... is becoming an increasingly important species in the fisheries of the Southern Ocean. In Division ... 58.5.1, a directed trawl fishery has been in operation since 1984/85 and has expanded in the deep ... western sector of the Kerguelen Shelf. This fishery harvests the sub-adult/adult part of the stock ... . Fishing effort and corresponding catches are very variable from year to year and highly dependent on the ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 85–106 : Auteur(s): Duhamel, G.
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Phytoplankton: Trophic modelling of the Ross Sea
Description / Abstract: A supporting document to the CCAMLR Science paper: M.H. Pinkerton, J.M ... . Bradford-Grieve and S.M. Hanchet. 2010. A balanced model of the food web of the Ross Sea, Antarctica ... under the fact pack ice and ice-free waters at Terra Nova Bay (Antarctica) during the austral summer ... productivity of the Antarctic scallop Adamussium colbecki, in Terra Nova Bay (Ross Sea, Antarctica). Journal ... the Ross Sea M.H. Pinkerton, J. Bradford-Grieve National Institute of Water and Atmospheric ... .: +64 4 386 0369; Fax: +64 4 386 2153 1 Introduction The shelf waters of the Ross Sea are ...
Document : Site Section: Publications
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Phytoplankton distribution in the mixed layer: implication to krill abundance
Paper Title: Phytoplankton distribution in the mixed layer: implication to krill abundance ... Abstract / Description: A one dimensional Lagrangian model of random walk is presented to study the ... distribution of phytoplankton in the Antarctic Ocean. Since little is known about mixed layer dynamics in the ... Antarctic Ocean, we estimate the depth of the mixed layer and its turbulence intensity from an Ekman layer ... layer, otherwise there is no physical forcing. The step size ZP(n) follows a normal distribution with ... continuous medium within the mixed layer. No significant change in the density of particle was observed ... the Antarctic ocean. 4. SUMMARY Our simulation is still in an early stage. No suggestions can be ... SC-CAMLR-VII/BG/26 PHYTOPLANKTON DISTRIBUTION IN THE ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 331–356 : Auteur(s): Yamazaki, H. and T.R. Osborn
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Performance and geometry of the FP-120 trawl used during UK fish stock assessment surveys around South Georgia, Subarea 48.3
Paper Title: Performance and geometry of the FP-120 trawl used during UK fish stock assessment ... surveys around South Georgia, Subarea 48.3 Abstract / Description: Methods for calculating the horizontal ... opening (and, thus, swept area) of a bottom trawl are discussed. In situ measurements of the FP-120 trawl ... used during the 1993/94 UK fish stock assessment survey around South Georgia on the MV Cordella are ... Data Points No. of Data Points No. of Data Points No. of Data Points opportunity to test the ... AND GEOMETRY OF THE FP-120 TRAWL USED DURING UK FISH STOCK ASSESSMENT SURVEYS AROUND SOUTH GEORGIA ... Kensington London SW 7 INA, UK Abstract Methods for calculating the horizontal opening (and, thus ... , swept area) of a bottom trawl are discussed. In situ measurements of the FP-120 trawl used during the ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 51–69 : Auteur(s): Pilling, G. and G. Parkes
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Seabird mortality in the Patagonian toothfish longline fishery around Crozet and Kerguelen Islands, 2001–2003
Paper Title: Seabird mortality in the Patagonian toothfish longline fishery around Crozet and ... Kerguelen Islands, 2001–2003 Abstract / Description: The legal Patagonian toothfish (Dissostichus ... eleginoides) longline fishery operating in the French Exclusive Economic Zones (EEZs) of Crozet and Kerguelen ... August 2003. Overall, the white-chinned petrel (Procellaria aequinoctialis) was the most frequently ... with no moon. However, this relationship varied between seasons, as suggested by the signifi cant ... a large proportion of the birds caught are breeding adults from these sites. Thus, for the petrels ... (2005): 53–80 53 SEABIRD MORTALITY IN THE PATAGONIAN TOOTHFISH LONGLINE FISHERY AROUND CROZET AND ... Dejean, BP 400 97 458 Saint-Pierre Cedex La Réunion, France Abstract The legal Patagonian toothfi sh ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 53–80 : Auteur(s): Delord, K., N. Gasco, H. Weimerskirch, C. Barbraud and T. Micol