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Additional data on anti-Brucella antibodies in Arctocephalus gazella from Cape Shirreff, Livingston Island, Antarctica
regard, and suggest that Brucella spp. has an extended distribution and is probably found worldwide in ... , causing abortion and sterility. It is also a zoonotic disease. Instances of bacterial infection by t l~e ... carried out by the Instituto Anthrtico Chileno (TNACH). SSSI No. 32 and CEMP Site No. 2 contain one of ... female, one yearling male and 61 lactating adult females. Blood samples were obtained by puncturing the ... age categories. A. gazella pups (belonging to the same cohort) were identified as pups by their size ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 147–154 : Autor(es): Blank, O., P. Retamal, P. Abalos and D. Torres
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Potential interactions between wandering albatrosses and longline fisheries for Patagonian toothfish at South Georgia
, where fisheries are managed by the Commission for the Conservation of Antarctic Marine Living ... methods by fishing vessels may take a considerable time. Therefore it may be timely to see if there are ... Patagonian Toothfish The accuracy of locational information is similar to that described by Prince et al ... unlikely to be inaccurate by more than +.l0 km. For present purposes we treat all position fixes equally ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 101–110 : Autor(es): Croxall, J.P. and P.A. Prince
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Preliminary results of a bottom trawl survey around Elephant Island in October and December 1987
described by Kock (1986) and Nast et al. (1988). Results of the most recent survey in October and December ... 1987 are described as follows. 2. MATERIAL AND METHODS Based on the stratification of the shelf by ... out by RV Polarstern using a 140' bottom trawl with a small meshed liner of 20 mm. Sampling depth ... in Figure 1. The shallow water area southwest of Endurance Glacier was sampled by the launch ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 185-200 : Autor(es): Kock, K.-H.
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Natural mortality of grey rockcod (Notothenia squamifrons) in various areas of the Indian sector of the Southern Ocean
). In order to compare our data with the results obtained by Duhamel (Kock, Duhamel, Hureau, 1985), age ... comparable to, although slightly higher than that calculated by the French scientists (0.20 as opposed to ... data obtained by the French scientists (Kock, Duhamel, Hureau, 1985) in respect of the Ob Bank and ... notothenioid fish for two reasons. First, the dependence worked out by Pauly referred to tropical fish and ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 141–146 : Autor(es): Zaitsev, A.K.
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Population genetic structure of Patagonian toothfish in the West Indian Ocean sector of the Southern Ocean
Southern Ocean. The amount of linkage via possible pelagic larval drift or by adult migration (Williams ... within). In a recent genetic study by the authors, no signifi cant differentiation between Macquarie ... of the Southern Ocean by Smith and McVeagh (2000) revealed signifi cant allelic heterogeneity among ... the various shelves and banks separated by such deep water (Williams et al., 2002). As a step ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 21–32 : Autor(es): Appleyard, S.A., R. Williams and R.D. Ward
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Temporal variability and the interrelationships between CEMP parameters collected on Adélie penguins at Béchervaise Island
analysis is extended in this paper by including a wider range of CEMP parameters over a longer time frame ... the within-season penguin weights recorded by the APMS. If simple data from the APMS is successful ... Stan- dard Methods A1 to A9 prescribed by CCAMLR for CEMP data (CCAMLR, 2003). Within-season weights ... on their way into and out of the colony. The sex of tagged birds had previously been determined by ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 75–90 : Autor(es): Emmerson, L.M., J. Clarke, K.R. Kerry and C. Southwell
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Defining smaller-scale management units to further develop the ecosystem approach in managing large-scale pelagic krill fisheries in Antarctica
., 2000). CCAMLR currently manages its fi sheries by setting catch limits for statistical subdivisions ... governed by the boundary of the habitat. Often, the edge of the habitat is graded in quality resulting in ... ) between populations. Its existence is then depend- ent on reproduction by individuals within the ... shing ground further will be dictated by the economic costs that might be involved. Movement from one ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 117–131 : Autor(es): Constable, A.J. and S. Nicol
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Biomass, abundance and distribution of fish in the Kerguelen Islands EEZ (CCAMLR Statistical Division 58.5.1)
inner limit of the survey was defined by the 100 m depth isobath as this corresponds to the change in ... area was defined by the boundary between the French EEZ and the Australian HIMI EEZ. The other limits ... of the trawl was computerised on MAXSEA® software. Catch-per-haul was sorted on board by fish spe ... movements. Catch-per-haul data by species were analysed in the laboratory under TRAWLCI Ver. 2 (available ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 1–32 : Autor(es): Duhamel, G. and M. Hautecoeur
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Distribution and size of Antarctic krill (Euphausia superba Dana) in Polish commercial catches taken in the Atlantic sector of the Southern Ocean from 1997 to 1999
concentrations were found near the South Shetlands. Concentrations at night were several times less dense than ... scattered throughout the water column, however no clear evidence of vertical migrations was found. Between ... . Between February and April concentrations during the day were found in shallower waters, while between ... April and June they were found in deeper waters. The size structure of the krill varied during all ... signifi cantly infl uenced by weather conditions. In 1999, fi shing for krill in the South Shetlands ... varied from 663 to 1 215 specimens/ 1 000 m3; these fi gures varied by area and season (Figure 3). The ... specimens/1 000 m3). The data presented here show that the density of krill concentrations varied by ... summer arrived quickly and the pack-ice was gone by October, the density of krill concentrations ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 83–105 : Autor(es): Jackowski, E
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Otolith microstructure of juvenile mackerel icefish (Champsocephalus gunnari) (Channichthyidae) in the South Georgia area
relationship found between fish length and daily otolith increments could be used for age differentiation of ... otoliths is compli- cated by the fact that the otoliths are brittle and not very transparent, and the ... otolith radius and annulus were measured by the ocular-micrometer (20 units = 1 mm). The second otolith ... treatment in hydrochloric acid, as the otoliths of juvenile icefi sh would be dissolved immediately by the ... number of daily increments. The curve is described by the following equation: L = –0.000039n2 + 0.45n ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 173–181 : Autor(es): Shcherbich, L.V