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Krill distribution in the western Atlantic sector of the Southern Ocean during 1983/84, 1984/85 and 1987/88 based on the results of Soviet mesoscale surveys conducted using an Isaacs-Kidd midwater trawl
characterised by a change in biomass of more than two orders of magnitude in different seasons, was observed in ... needed to obtain such material. Previous surveys carried out annually over nearly 20 years covered only ... " 50" 45" 40" 35" 30" Figure 4: Krill diskibution (g/ l 000 m3) in strata 0 to 100 m, 20 January to ... currents (relative to the 1 000 dbar), 20 January to 9 March 1988. 60" 55" 50" 45" 40" 35" 30" Figure 7 ... characterised by a change in biomass of more than two orders of magnitude in different seasons, was observed in ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 59–70 : Autor(es): Sushin, V.A. and K.E. Shulgovsky
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Schedule of Conservation Measures in Force 1998/1999
shall measure one series of 20 meshes, selected in accordance with Article 3, inserting the gauge ... mesh size in accordance with Article 5 when using a weight or dynamometer, one series of 20 meshes only ... 58.4.1 (west of 90°E) Dissostichus spp. Exploratory trawl fishery From 7 November 1998 to 30 November ... . ARTICLE 3 Selection of Meshes to be Measured 1. Meshes to be measured shall form a series of 20 ...
Document : Site Section: Publications
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e-cc-vi-aD.pdf
... FINANCE The Committee met on 26, 27, 28, 30 October and 2 November 1987 under the Chairmanship of Mr ... relevant to agenda items. 20. Questions were also raised about the large cost of casual staff for ... Convention, as well as holding of those meetings once in two years in between the Antarctic Treaty ... year attention was drawn to Article XIII 2 of the Convention which would require amendment if there
application/pdf attached to:SCAF-87Meeting Report : SCAF-87
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Effects of weather and sea-ice on the reproductive performance of the Adélie penguin at Edmonson Point, Ross Sea
0 10 20 30 40 50 60 70 80 W in d s p e e d ( k n o ts ) n = 97 n = 76 ... /99 0 2 4 6 8 10 12 14 16 N u m b e r o f d e a d c h ic k s 0 10 20 30 40 ... 2 4 6 8 10 12 14 16 N u m b e r o f d e a d c h ic k s 0 10 20 30 40 50 60 ... 50 60 70 80 W in d s p e e d ( k n o ts ) number chicks dead max wind speed 2000/01 0 ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 99–109 : Autor(es): Olmastroni, S., F. Pezzo, V. Volpi and S. Focardi
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Length-based assessment for mackerel icefish (Champsocephalus gunnari) at South Georgia
the given harvest control rule to set a two-year total allowable catch (TAC). One issue is the ... model (GYM) packages, which derives population numbers-at-age and projects these numbers forward under ... accurate identification of age cohorts from the survey data. In this paper a length-based approach is ... population numbers-at-length. A comparison of this method and the existing age-based CMIX/GYM methodology ... population forward for two years under a fixed harvest rate. The target harvest rate is that which ensures ... that the exploited biomass is equal to 75% of the unexploited biomass (after two years). From this ... Length (cm) 10 20 30 40 50 60 Figure 1 ... - aggregated (right). 2009 survey Length (cm) D en si ty 10 20 30 40 50 10 20 30 40 5010 20 30 ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 129–137 : Autor(es): Hillary, R.M., C.T.T. Edwards, R.E. Mitchell and D.J. Agnew
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e-sc-xvii-a4.pdf
... until 1988 the density was lower (1–5 g/m2), in the last two years (1989–1990) the density increased but ... during the January and February 1996 in Area 58 (57°–61°S and 30°–40°E). The observed length frequency ... , near Elephant Island (Subarea 48.1), 5% of the krill were juvenile, 30% were in year class 2+ and 30 ... two size groups implying that in this area at least two year classes were missing. 4.19 WG-EMM-98/33
application/pdf attached to:WG-EMM-98Meeting Report : WG-EMM-98
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Scientific Abstracts 1997
author(s). Addresses of principal authors are given for this purpose. ... Argentina and Japan (two each), Chile and Russia (one each). Despite the extremely remote location of the ... (three adult, two juvenile) and seven (58%) were male (one adult, six juvenile); seven (58%) were ... wandering albatrosses (three items), grey-headed albatrosses (one item) and white-chinned petrels (two items ... release 35% of the entangled animals (four females, one juvenile male, and two pups). The total percentage ...
Document : Site Section: Publications
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A preliminary investigation of the possible effects of rhizocephalan parasitism on the management of the crab fishery around South Georgia
spinosissima, which has been harvested by a new fishery around South Georgia (Subarea 48.3) since 1992. One of ... , incorporating two scenarios for the stock-recruit relationship of the host: (i) resilience; and (ii) sensitivity ... captures the main characteristics of the system. An age-based host-parasite model is constructed ... - recruit relationship was used. 0 20 40 60 80 100 120 Time (years) Figure 8: Prevalence and spawning ... animals only. The sensitive stock- recruit relationship was used. 0 20 40 60 80 100 120 Time (years ... proportionality. There is also an implicit assumption that each infected animal carries only one parasite. This ... spawning stock is already below its maximum level, even without any harvesting. 0 0 10 20 30 40 50 60 ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 175–192 : Autor(es): Basson, M
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Entanglement of Antarctic fur seals (Arctocephalus gazella) in man-made debris at Bird Island, South Georgia, during the 2004 winter and 2004/05 breeding season
% compared to last year; the lowest number of entanglements recorded since 1989. As in previous years, most ... individuals observed entangled in debris were juveniles (80% of winter and 50% of summer observations). Of the ... entanglements where the animal could be sexed, males made up the majority of both seasons. After the high ... , this is after an absence of 3 years from the winter records and 2 years from the summer. These findings ...
Meeting Document : SC-CAMLR-XXIV/BG/16 : Autor(es): Delegation of the United Kingdom
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e-cc-40-rep.pdf
... advice on the revision of CM 51-07 next year and further refinement within one or two years. It further ... noted that Brazil was more than two years in arrears in respect of its budgetary contributions to the ... Scientific Committee to rollover CM 51-07 for one year to provide time to consolidate the revision of the ... for one additional year. 6.13 The Commission noted with appreciation the ongoing work of the
application/pdf attached to:CCAMLR-40Meeting Report : CCAMLR-40