Résultats de la recherche

1. e-sc-xiv-a4.pdf

   ... density with a smaller range) was suggested for the Antarctic Peninsula region, based on the 16-year span ... Shetlands early in summer, to the South Orkneys later in summer and to South Georgia in autumn and winter ... and low pressure differences coincided with the years of good and poor krill recruitment respectively ... Assessment Dependent Species Links with Harvested Species and the Environment The Overlap Between the application/pdf attached to:WG-EMM-95

   Meeting Report : WG-EMM-95

2. A three-frequency method to determine the abundance and the size of two euphausiid species (Euphausia superba and Euphausia crystallorophias)

   role in the Ross Sea pelagic ecosystem (Marr, 1962; Azzali et al., 1999). To estimate the abundance of ... aggregations with similar shape, therefore visual separation of their echograms is difficult. The possibility ... of the net and to the net avoidance (Wiebe, 1972; Everson and Bone, 1986). This last bias affects ... an echo coming from an isolated organism, with no interference from noise or other targets. It means ...

   Meeting Document : WG-EMM-01/63 : Auteur(s): M. Azzali, J. Kalinowksi, G. Lanciani and I. Leonori (Italy)

3. Precautionary spatial protection to facilitate the scientific study of habitats and communities under ice shelves in the context of recent, rapid, regional climate change

   the loss of existing marine habitats and to the creation of new habitats, with consequent changes in ... - ed to be felt across the Antarctic as the ozone hole heals, with a predicted warming of about 3°C ... of the George VI ice shelf (67.840°W 71.692°S) which lost ~993 km2 over a number of years between ... will lead to the loss of existing marine habitats and to the creation of new habitats, with consequent ... retreat of ice shelves on both sides of the peninsula. Loss of ice on the eastern side results from warm ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 139–151 : Auteur(s): Trathan, P.N., S.M. Grant, V. Siegel and K.-H. Kock

4. e-sc-xi.pdf

   ... , Poland, who died on 3 March 1992 after a long illness. Wieslaw made great individual contributions to ... incidental mortality, CCAMLR Scheme of International Scientific Observation, cooperation with other ... Management Measures on Krill Fishing Liaison with WG-CEMP Advice on Krill Fisheries ... Management of Fish Stocks Considerations of Ecosystem Management Interactions with WG-Krill application/pdf attached to:SC-CAMLR-XI

   Meeting Report : SC-CAMLR-XI

5. Investigation of bias in the mark–recapture estimate of toothfish population size at South Georgia

   allows simulation of releases by box over multiple years. The model performed as expected with test ... over multiple years. The model performed as expected with test situations. It produced a near-perfect ... whole of the fishing area in recent years (SC-CAMLR, 2004), but in the early years there was a ... in that year 40 W 43 3 0' W 48 0 0' W M an ag em en t A re a A (W es t S ha ... as km/year. The available data comprised animals that had been recaptured after 1, 2, 3, 4 and 5 ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 47–63 : Auteur(s): Agnew, D.J., G.P. Kirkwood, J. Pearce and J. Clark

6. A CHARACTERISATION OF THE TOOTHFISH FISHERY IN SUBAREAS 88.1 AND 88.2 FROM 1997–98 TO 2007–08

   2001), these year classes are not seen in large numbers in later years in the fishery. So at this stage ... catch was the fourth highest on record with a total of 2666 t against a combined catch limit of 3207 t ... -year experiment (SC-CAMLR-XXIV). One of the aims of the experiment was to simplify the administration ... of the fishery by having fewer catch limits. This appeared to be moderately successful, with only one ...

   Meeting Document : WG-FSA-08/22 : Auteur(s): M.L. Stevenson, S.M. Hanchet and A. Dunn (New Zealand)

7. Fitting Euphausia superba into Southern Ocean food-web models: a review of data sources and their limitations

   of each method of sampling krill, i.e. with nets (for historical time series, demographic information ... with sea-ice and diet. Whether this reflects ‘subpopulations’ with regionally specific life cycles is ... occurred year- round throughout Antarctica, and regularly with an estimated ~20% of the stock deeper than ... the southwest (SW) Atlan- tic sector with 75% of the population in the 0–90°W sector (Marr, 1962 ... Atlantic sector. However, around Prydz Bay (Indian sector) Pakhomov (2000) found that 3–4-year cycles ... potentially valuable resource (Nicol et al., 2011); and (iii) the species is associated with sea-ice for its ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 219–245 : Auteur(s): A. Atkinson, S. Nicol, S. Kawaguchi, E. Pakhomov, L. Quetin, R. Ross, S. Hill, C. Reiss, V. Siegel, G. Tarling (submitted to the 2008 Joint CCAMLR-IWC Workshop)

8. e-sc-xvii-a4-appD.pdf

   ... are consistent with the multi-year cycle described by White and Peterson (1996). Although data from ... , temperatures at 100 m are out of phase with the surface waters in the same year. 3.46 Figure 10 compares the ... distances with a range of 0 to 100. Similarities between Subareas 48.1 and 48.3 for each year where both ... with the ACW. For example, positive correlations existed at a slightly later date than those for the application/pdf attached to:WS-AREA 48-98

   Meeting Report : WS-AREA 48-98

9. Age, growth and mortality of Patagonian toothfish (Dissostichus eleginoides) caught off Kerguelen

   showed discrepancies due to gear-specific catchability, or differences in the available population with ... estimated to be –0.6 years and residual variance 2.9. Age distributions of toothfish caught by two vessels ... trawlers and longliners at Kerguelen, and longevity was estimated to be 36 years. Total instantaneous ... and between years. Differences in q between the two vessels, as well as availability with depth ... . Chapman, D.G. and D.S. Robson. 1960. The analysis of a catch curve. Biometrics, 16 (3): 354–368. Everson ... in the available population with depth or season. Age–length keys were constructed for use in ... смертности Z по оценке лежит в диапазоне Ashford et al. 30 Introduction In contrast to early sealing ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 29–41 : Auteur(s): Ashford, J., G. Duhamel, C. Jones and S. Bobko

10. e-cc-vi-aD.pdf

    ... . (iii) Advertisements shall be placed, or other recommended actions taken, in each member country with ... Accordance with Article XIX.3 6. Procedures for Appointment of Executive Secretary 7. Other Administrative ... staff could be employed, subject to budgetary control, on a contract basis for up to four years with ... Scientific Committee meetings in countries of Commission Members in accordance with Article XIII(3) of the application/pdf attached to:SCAF-87

    Meeting Report : SCAF-87

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