Résultats de la recherche

1. Long-term trends in the foraging patterns of female Antarctic fur seals at South Georgia

   Georgia Abstract / Description:  The number of feeding trips to sea made by female Antarctic fur seals ... ) the number of feeding trips made by an individual’'s mother during lactation. This analysis ... showed that between 1962 and 1981 the mean number of feeding trips made by female fur seals varied ... . Bengtson (USA) Abstract The number of feeding trips to sea made by female Antarctic fur seals during ... number of feeding trips made by an individual's mother during lactation. This analysis showed that ... between 1962 and 1981 the mean number of feeding trips made by female fur seals varied markedly. From ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 441-443 : Auteur(s): Bengtson, J.L.

2. Distribution, biomass and characteristics of the Euphausia superba fishery around South Georgia (Subarea 48.3)

   conducted by Soviet scientists in the area from 1974 to 1988 are summarized in this paper. The most ... important survey data and biomass assessments have been tabulated and illustrated by various survey maps. It ... biomass in the South Georgia area are extremely significant. Biomass may differ by as much as eight times ... differences in krill biomass are undoubtedly associated with the volume of krill brought here by waters of the ... by Soviet scientists in the area from 1974 to 1988 are summarized in this paper. The most important ... survey data and biomass assessments have been tabulated and illustrated by various survey maps. It was ... krill biomass in the South Georgia area are extremely significant. Biomass may differ by as much as ... here by waters of the Scotia Sea Secondary Front. More extensive studies incorporating trawl and ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 123–147 : Auteur(s): Latogursky, V.I., R.R. Makarov and L.G. Maklygin

3. Preliminary report on biological observations and exploratory fishing data collected in the South Georgia area during the 1985/86 cruise of MT Carina

   -going fish stock monitoring program conducted by the Sea Fisheries Institute, Gdynia. Codends of two ... % while N. rossii and D. eleginoides were present only as by-catch. In sampling catches two length groups ... . georgianus was represented by three length groups: 20–24, 32–41 and 42–56 cm. N. gibberifrons was also ... represented by three length groups: 7–22/23, 22–31 and 31–49 cm. Weight/length ratios were calculated for all ... monitoring program conducted by the Sea Fisheries Institute, Gdynia. Codends of two mesh sizes (47 and 60 ... . gibberifrons, 7.5 to 14% while N. rossii and D. eleginoides were present only as by-catch. In sampling ... . aceratus was 25-72 cm. P. georgianus was represented by three length groups : 20-24, 32-41 and 42-56 cm ... . N. gibberifrons was also represented by three length groups: 7-22/23, 22-31 and 31-49 cm. Weight ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 65-97 : Auteur(s): Kreft, K. and J. Szynaka

4. Seal mitigation measures on trawl vessels fishing for krill in CCAMLR Subarea 48.3

   (WG-EMM) in Siena, Italy, the UK reported on the by-catch of fur seals (Arctocephalus gazella) in the ... methods employed for consideration by the ad hoc Working Group on Incidental Mortality Arising from ... implemented by Japanese vessels during the 2003 krill fishing season around South Georgia (Japan Deep Sea ... Working Group on Ecosystem Monitoring and Management (WG-EMM) in Siena, Italy, the UK reported on the by ... requested that the UK provide further details of the methods employed for consideration by the ad hoc ... seal entanglements, are similar to the two systems implemented by Japanese vessels during the 2003 ... Management (WG-EMM) in Siena, Italy, the UK reported on the by-catch of fur seals (Arctocephalus gazella ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 195–205 : Auteur(s): Hooper, J., J.M. Clark, C. Charman and D. Agnew

5. Annual changes in species composition and abundance of myctophid fish in the north of South Georgia (Subarea 48.3), Antarctica, during austral winters from 2002 to 2008

   / Description:  Species composition and abundance of myctophid fish were analysed using the fish by-catch ... samples collected by scientific observers on board Japanese commercial krill fishing vessels in the area ... 10 myctophid species were identified in the by-catch samples, among which Krefftichthys anderssoni ... . nicholsi from larvae to adults were found, suggesting that these species may have their nursery ground ... , 1998; Pusch et al., 2004). However, E. antarctica has not been found in Japanese by-catch samples ... Antarctic coastal waters. However, this species has not been found in Japanese trawl by-catch samples ... scientific data on fish by-catch. Japan ini- tiated on-board scientific observer activities in the 1989/90 ... krill trawl fishery. As pointed out by Collins et al. (2008), the eco- logical role of myctophid fish ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 155–163 : Auteur(s): Iwami, T., M. Naganobu, K. Taki and M. Kiyota

6. The use of patent databases to predict trends in the krill fishery

   currently informed by data on annual catches and by CCAMLR’s annual notification procedure. There has been ... krill fishery. The Scientific Committee has recommended that the patent database be maintained by the ... soon increase to unprecedented levels (Schiermeier, 2010a). This concern has been prompted by ... Members participating in the fishery. Trends in the krill fishery are currently informed by data on ... annual catches and by CCAMLR’s annual notification procedure. There has been considerable discussion ... . The Scientific Committee has recommended that the patent database be maintained by the Secretariat so ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 135–144 : Auteur(s): Foster, J., S. Nicol and S. Kawaguchi

7. Surveys of breeding penguins and other seabirds in the South Shetland Islands, Antarctica, January-February 1987*

   known breeding localities of sheathbills and skuas by threefold, chinstrap penguins by twofold, and Cape ... petrels and shags by 50%. Our minimum estimate of 1 620 000 breeding chinstrap penguins, the most abundant ... were also found to be more abundant than previously reported. (* Published in: NOAA Technical ... known breeding localities of sheathbills and skuas by threefold, chinstrap penguins by twofold, and ... Cape petrels and shags by 50%. Our minimum estimate of 1 620 000 breeding Chinstrap penguins, the ... species of breeding seabirds were also found to be more abundant than previously reported. * published ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 449-451 : Auteur(s): Shuford, W.D. and L.B. Spear

8. Discrimination of Macrourus whitsoni and M. caml (Gadiformes, Macrouridae) using otolith morphometrics

   otolith morphometrics Abstract / Description:  That the predominant by-catch of grenadier by the toothfish ... , was recognised in 2010 with the identification of a new species, M. caml. Grenadier are the main by ... ; Pinkerton and Bradford-Grieve, 2014; Mormede et al., 2014). Grenadier caught as by-catch and found in ... Grenadiers (Family Macrouridae) are taken as by-catch in many of the toothfish fisheries in the Southern ... main by-catch in the fishery for Antarc- tic toothfish (Dissostichus mawsoni) in the Ross Sea region ... (CCAMLR Subareas 88.1 and 88.2) (Stevenson et al., 2014). A by-catch of 10 tonnes of grenadiers was ...

   Science Journal Paper : CCAMLR Science, Volume 22 (CCAMLR Science, Volume 22) : 15–28 : Auteur(s): Pinkerton, M.H., C. Ó Maolagáin, J. Forman and P. Marriott

9. Changes in the fish biomass around Elephant Island (Subarea 48.1) from 1976 to 1996

   the fishery. Results of bottom trawl surveys conducted by Germany in the vicinity of Elephant Island ... gibberifrons and Chaenocephalus aceratus have been considerably affected by fishing. Stocks of G. gibberifrons ... and C. aceratus had apparently recovered to a large extent by the second half of the 1980s, while C ... bottom trawl surveys conducted by Germany in the vicinity of Elephant Island in the 1980s showed that ... aceratus have been considerably affected by fishing. Stocks of G. gibberifions and C. aceratus had ... apparently recovered to a large extent by the second half of the 1980s, while C. gunnavi stocks remained at ... Peninsula (Statistical Subarea 48.1) were exploited by trawling from 1978/79 to 1988/89, with most of the ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 165–189 : Auteur(s): Kock, K.-H

10. A declining trend in the abundance of Notothenia rossii marmorata and Notothenia gibberifrons observed in fjords in two sites in the South Shetland Islands

    two sites in the South Shetland Islands (Subarea 48.1), is analyzed by a nested ANOVA and demonstrated ... sampling by this method did not utilize a consistent amount of effort between years, the analysis made use ... of standardized catch data by expressing the catches of N. rossii and N. gibberifrons in proportion ... Shetland Islands (Subarea 48.1), is analyzed by a nested ANOVA and demonstrated as significant. The ... Notothenia neglecta, a species with similar ecological habits in the fjords. Since sampling by this method ... catch data by expressing the catches of N. rossii and N. gibberifrons in proportion to the catches of N ... implementation by the Instituto Antartico Argentino of routine sampling of fish a similar situation has been ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 263–274 : Auteur(s): Barrera-Oro, E. and E. Marschoff

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