Résultats de la recherche

1. Focusing and testing fisher know-how to solve conservation problems: a common sense approach

   Abstract:  Worldwide, the incidental capture or bycatch of marine organisms, especially mammals ... necessitate immediate solutions. Unfortunately, no standard mechanisms exist within stewardship and regulatory ... seabird mortality in two fisheries: the Puget Sound drift gillnet fishery for sockeye salmon and the ... , the cooperative research model we have developed is the same and is proving successful in both. At the ...

   Meeting Document : WG-FSA-03/20 : Auteur(s): E.F. Melvin and J.K. Parrish (USA)

2. Seasonal and interannual variation in foraging range and habitat of macaroni penguins at South Georgia

   Abstract:  In marine ecosystems, characterisation of the foraging areas and habitats of predators ... is a key factor in interpreting their ecological role. We studied the foraging areas of macaroni ... penguins at Bird Island, South Georgia, throughout the breeding seasons of 1999-2001 using satellite ... the breeding season, between sexes, between years and between individuals. During incubation, on ...

   Meeting Document : WG-EMM-01/19 : Auteur(s): K.E. Barlow and J.P. Croxall (United Kingdom)

3. Trends in mean lengths and selectivities for Dissostichus eleginoides taken by longliners in Subarea 48.3

   seasons but with no consistent overall trend. The analysis also suggested that the exploitable population ... Abstract:  At its last meeting, WG-FSA noted a declining trend in the mean lengths of toothfish ... caught around South Georgia and Shag Rocks over the period 1995 – 1999. We re-analysed the mean lengths ... found the same declines in mean lengths for the period 1997 – 1999 as previously noted by WG-FSA, but ...

   Meeting Document : WG-FSA-01/48 : Auteur(s): G.P. Kirkwood and D.J. Agnew (United Kingdom)

4. Seasonal and interannual variation in foraging range and habitat of macaroni penguins Eudyptes chrysolophus at South Georgia

   Abstract:  In marine ecosystems, characterisation of the foraging areas and habitats of predators ... is a key factor in interpreting their ecological role. We studied the foraging areas of the macaroni ... penguin Eudyptes chrysolophus at Bird Island, South Georgia, throughout the breeding seasons of 1999 to ... between different stages of the breeding season, between sexes, between years and between individuals ...

   Meeting Document : WG-EMM-02/21 Text : Auteur(s): K.E. Barlow and J.P. Croxall (United Kingdom)

5. OCEANIC CIRCUMPOLAR HABITATS OF ANTARCTIC KRILL

   growth rates and predation losses are atypically high. Emphasis on these areas has led to the current ... , with 70% of the total stock concentrated between 0o and 90oW. Within this Atlantic sector, krill are ... abundant over both shelf and ocean. At the Antarctic Peninsula, by contrast, they are found mainly over the ... inner shelf whereas in the Indian-Pacific sectors krill prevail in the ocean within 200-300 km of the ...

   Meeting Document : WG-EMM-08/P04 - Abstract : Auteur(s): A. Atkinson, V. Siegel, E. A. Pakhomov, P. Rothery, V. Loeb, R.M. Ross, L.B. Quetin, K. Schmidt, P. Fretwell, E.J. Murphy, G.A. Tarling and A.H. Fleming

6. A review of methodologies aimed at avoiding and/or mitigating incidental catch of protected seabirds.

   published reviews in the field of bycatch mitigation have typically had a species or fishing method focus ... . This report presents the results of the seabird component of a global review of mitigation methods ... . The application of these mitigation methods to New Zealand fisheries were assessed, recommendations ... for the fisheries management made, and areas for further research in New Zealand identified. Factors ...

   Meeting Document : WG-FSA-05/P8 : Auteur(s): Bull, L.

7. Marine debris and entanglements at Bird Island and King Edward Point, South Georgia, Signy Island, South Orkneys and Goudier Island, Antarctic Peninsula 2013–2014

   Island, South Orkneys and at Goudier Island, Antarctic Peninsula for the period April 2013 to March 2014 ... items). There were no reports of beached marine debris at Goudier Island, and one incidence of ... hydrocarbon soiling (Bird Island) during the reporting period. Overall, the occurrence of beached marine ... debris was above the long-term mean at Bird Island during both summer and winter and was the second ...

   Meeting Document : SC-CAMLR-XXXIII/BG/31 : Auteur(s): Delegation of the United Kingdom

8. Energetics of diving in macaroni penguins

   the mass-specific rate of oxygen consumption (VO2) while diving and investigation of the physiological ... adjustments that might facilitate the diving behaviour observed in this species. In common with other diving ... accounted for 36% of the variation in dive duration. When VO2 was calculated for dives of different ... durations, 95.3% of dives measured were within the calculated aerobic dive limit (cADL) for this species ...

   Meeting Document : WG-EMM-03/39 : Auteur(s): J.A. Green, P.J. Butler, A.J. Woakes and I.L. Boyd (United Kingdom)

9. Conflict or co-existence? Foraging distribution and competition for prey between Adélie and chinstrap penguins

   between the two species, however, in a year of normal resource availability (2001) there was no such ... and ecologically very similar, have very similar diet and breed sympatrically in the Scotia Arc from ... the South Sandwich Islands to the Antarctic Peninsula. To investigate how these two species co-exist ... , their foraging distribution and diet were studied during the chick-rearing period at Signy Island, South ...

   Meeting Document : WG-EMM-02/15 : Auteur(s): A.S. Lynnes, K. Reid, J.P. Croxall and P.N. Trathan (United Kingdom)

10. Foraging energetics of Antarctic fur seals in relation to changes in prey availability

    Abstract:  This research examines the energy budget of breeding female Antarctic fur seals, both ... when food was plentiful and when it was scarce. The energy expenditure and change in body mass of ... doubly labeled water at South Georgia Island. There was no difference between years in mass gain, water ... 9.52 ± 0.55 W/kg (n = 22), a value that is 6.7 times the predicted basal rate but only 1.9 times the ...

    Meeting Document : SC-CAMLR-VIII/BG/13 : Auteur(s): Delegation of United Kingdom

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