Результаты поиска

1. FISHING ACTIVITY AND SEABIRD-VESSEL ATTENDANCE NEAR THE NORTHERN ANTARCTIC PENINSULA

   Abstract:  We conducted a survey to investigate the factors influencing the number of seabirds ... attending a research vessel during scientific trawling activities near the northern Antarctic Peninsula. Our ... fishing activity. Counts of seabirds attending the vessel were made during non-fishing periods, net ... seabird attendance. Three species, the Black-browed Albatross Thalassarche melanophrys, Cape Petrel ...

   Meeting Document : WG-FSA-08/11 : Автор(ы): Jarrod A. Santora and Kimberly S. Dietrich (USA) and Darci Lombard (Canada)

2. Pilot study on electrophoretic variation and stock structure in the mackerel icefish, Champsocephalus gunnari, South Georgia waters

   Abstract:  The use of allozymes as a tool in stock structure analysis was examined in the ... . Clearly resolved enzyme phenotypes were obtained at 18 loci, of which 7 exhibited polymorphism at the 0.95 ... ; phosphoglucose mutase, PGM-II 2.7.5.1; pyruvate kinase, PK 2.7.1.40). Routine scoring of 116 fish at the 18 loci ... revealed average levels of genetic variability, with the proportion of polymorphic loci, P = 0.278, mean ...

   Meeting Document : WG-FSA-90/10 : Автор(ы): G.R. Carvalho and D.P. Lloyd-Evans (United Kingdom)

3. Fish prey of the wandering albatross Diomedea exulans at South Georgia

   Abstract:  The fish diet (45% of total diet by weight) of Wandering Albatrosses rearing chicks at ... South Georgia during the austral winters of 1983 and 1984 was investigated using otoliths retrieved from ... regurgitations. These provide the first quantitative data for this species and for any albatross. By number of ... (estimated from otolith length) of the main species was Pseudochaenichthys 51%, Muraenolepis 14 ...

   Meeting Document : SC-CAMLR-VII/BG/05 : Автор(ы): J.P. Croxall, A.W. North and P.A. Prince (United Kingdom)

4. Report of the Second International Workshop for identifying Marine Protected Areas (MPAs) in Domain 1 of CCAMLR (Palacio San Martín, Buenos Aires, Argentina, 25 to 29 May 2015)

   Abstract:  This report presents the results of the Second International Workshop for identifying ... Marine Protected Areas (MPAs) in Domain 1 of CCAMLR. The workshop was held in Buenos Aires, Argentina ... , from 25 to 29 May 2015. During the workshop, discussions were concentrated in reviewing and analyzing ... ), important areas for zooplankton life cycles (krill nurseries), and whales distribution during the non ...

   Meeting Document : WG-EMM-15/42 : Автор(ы): Second WS-MPA Domain 1

5. An idea to incorporate potential recruitments in the krill density model

   involved uncertainties of age 1 krill. Present document improves the model by taking the uncertainties in ... to account, and assuming a reasonable mortality. The model suggested that if we expect the currently ... accepted values of mortality M (0.8-1.0), the potential proportional recruitment should be larger than the ... in the model, dramatic variation of densities after 1994/95 season could not be clearly explained ...

   Meeting Document : WG-EMM-99/51 : Автор(ы): S. Kawaguchi and M. Naganobu (Japan)

6. Surveys of breeding penguins and other seabirds in the South Shetland Islands, Antarctica, January – February 1987

   Abstract:  Surveys of the South Shetland Islands, Antarctica in 1987 provided data on the size and ... location of penguin and Antarctic Blue-eyed Shag colonies and the breeding status of other seabirds. Our ... estimate of 1,618,370 to 2,084.570 breeding Chinstrap Penguins, the most abundant penguin in the study area ... . is two to three times the previous estimate. Other seabird species were also found to be more ...

   Meeting Document : SC-CAMLR-VI/BG/19 : Автор(ы): W.D. Shuford and L.D. Spear (USA)

7. New data on trematodes (Plathelminthes, Trematoda) of fishes in the Ross Sea (Antarctic)

   Abstract:  Records of 14 trematode species, collected from bottom fishes from the western and ... northern parts of the Ross Sea, are given. Trematodes Otodistomum cestoides van Beneden, 1871, Lecithaster ... . are recorded from the Ross Sea for the first time. Proctophantastes sp. differs from other species of ... Proctophantastes Odhner, 1911 by the morphology of the ventral equatorial ridge of the ventral sucker.   Author(s ...

   Meeting Document : WG-EMM-14/P08 : Автор(ы): S.G. Sokolov and I.I. Gordeev

8. New data on trematodes (Plathelminthes, Trematoda) of fishes in the Ross Sea (Antarctic)

   Abstract:  Records of 14 trematode species, collected from bottom fishes from the western and ... northern parts of the Ross Sea, are given. Trematodes Otodistomum cestoides van Beneden, 1871, Lecithaster ... . are recorded from the Ross Sea for the first time. Proctophantastes sp. differs from other species of ... Proctophantastes Odhner, 1911 by the morphology of the ventral equatorial ridge of the ventral sucker. Author(s ...

   Meeting Document : WG-FSA-14/P02 : Автор(ы): S.G. Sokolov and I.I. Gordeev

9. Preliminary analyses of an ectoparasite Eubrachiella antarctica as a marker for stock discrimination of Antarctic toothfish in the Ross Sea

   Abstract:  This project evaluated the prevalence and intensity of an ectoparasite Eubrachiella ... antarctica as a marker for stock discrimination of Antarctic toothfish in the Ross Sea. New Zealand Ministry ... of Fisheries Observers on four toothfish longline vessels recorded the number of E. antarctica on the ... fins and in the buccal cavity of 621 large D. mawsoni (mostly 120-150 cm). Up to five D. mawsoni per ...

   Meeting Document : WG-FSA-06/28 : Автор(ы): P.J. Smith, A. McKenzie and L. Tubbs (New Zealand)

10. Risk categorisation for Macrourus whitsoni and Amblyraja georgiana in the Ross Sea

    georgiana, which are the major bycatch species in the exploratory fishery for toothfish in the Ross Sea ... vulnerable to overfishing. The risk to A. georgiana is mitigated due to a CCAMLR programme to cut all skates ... from longlines whilst still in the water and release them. Macrourus whitsoni were categorized as ... overfishing, catch rates in the toothfish fishery have not declined, juveniles are not selected by the fishery ...

    Meeting Document : WG-FSA-05/21 : Автор(ы): R.L. O’Driscoll (New Zealand)

Страницы