Результаты поиска
-
Foraging location and range of white-chinned petrels Procellaria aequinoctialis breeding in the south Atlantic
and also at sites close to the South Orkney Islands: Illex argentinus on the Patagonian shelf ... Abstract: The foraging range and principal feeding areas of White-chinned Petrels breeding at ... distance per day during chick-rearing (71 km) than during incubation (91 km) but the proportion covered at ... night (47%) was the same. Mean (31–34 km/h) and maximum (80 km/h) flight velocities were similar during ...
Meeting Document : WG-FSA-01/25 : Автор(ы): S.D. Berrow, A.G. Wood and P.A. Prince (United Kingdom)
-
Foraging location and range of white-chinned petrels Procellaria aequinoctialis breeding in the South Atlantic
Shag Rocks/South Georgia and also at sites close to the South Orkney Islands; Illex argentinus on the ... Abstract: The foraging range and principal feeding areas of White-chinned Petrels breeding at ... less distance per day during chick-rearing (71 km) than during incubation (91 km) but the proportion ... covered at night (47%) was the same. Mean (31- 34 km/h) and maximum (80 km/h) flight velocities were ...
Meeting Document : WG-FSA-99/20 : Автор(ы): S.D. Berrow, A.G. Wood and P.A. Prince (United Kingdom)
-
Physical oceanographic setting of the Siedlecki January 1987, South Shetland Island data set
Paper Title: Physical oceanographic setting of the Siedlecki January 1987, South Shetland Island ... data set Abstract / Description: In the vicinity of the northern tip of the Antarctic Peninsula, the ... Bransfield Straits and South Shetland Islands, cold polar waters from the Weddell Sea meet warmer circumpolar ... water from the Pacific Ocean. A series of fronts form which are collectively referred to as the Weddell ... THE SIEDLECKI JANUARY 1987, SOUTH SHETLAND ISLAND DATA SET Arnold L. Gordon Abstract I n the ... vicinity of the northern tip of the Antarctic Peninsula, the Bransfield Straits and South Shetland Islands ... , cold polar waters from the Weddell Sea meet warmer circumpolar water from the Pacific Ocean. A series ... of fronts form which are collectively referred to as the Weddell-Scotia Confluence. Within the ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 161-184 : Автор(ы): Gordon, A.L.
-
Apparent decrease of Weddell seal numbers in the western Ross Sea
molting haul outs in the western Ross Sea: Edisto Inlet- Moubray Bay, northern Victoria Land, and ... imagery during 2008-2012 indicated many fewer Weddell seals (Leptonychotes weddellii) at the two major ... Edisto-Moubray as well. The timing of decline, or perhaps spreading (low numbers of seals in more places ... the larger region and a thinning of fast ice along Victoria Land (conceivably beneficial to seals ...
Meeting Document : WG-EMM-14/44 : Автор(ы): D.G. Ainley, M.A. Larue (USA), I. Stirling (Canada), S. Stammerjohn and D.B. Siniff (USA)
-
A generalised model for evaluating yield and the long-term status of fish stocks under conditions of uncertainty
Paper Title: A generalised model for evaluating yield and the long-term status of fish stocks ... projection model for assessing the long-term annual yield which satisfies objectives for the maintenance of ... the spawning stock biomass in accordance with CCAMLR criteria. These specify a bound on the ... probability that the spawning biomass will become depleted to below some specified level over a specified ... , CCAMLR decided that the catch rate from any stock was no t t o exceed F,., (CCAMLR, 1987). Th i s ... . The two options should give similar results when there is no Monte Carlo integration over ... escapement from each trajectory divided by the same median, but for a period when no yield is taken (e.g. y ... MODEL FOR EVALUATING YIELD AND THE LONG-TERM STATUS OF FISH STOCKS UNDER CONDITIONS OF UNCERTAINTY ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 31–54 : Автор(ы): Constable, A. and W.K. de la Mare
-
Population structure and connectivity of an important pelagic forage fish in the antarctic ecosystem, Pleuragramma antarcticum, in relation to large scale circulation
Ross Sea, ii) on the southern Antarctic Peninsula in Marguerite Bay and off Charcot Island, iii) off ... Abstract: Ocean circulation has been identified as a major process controlling the distribution ... of biological material in marine systems. Large-scale transport by the Antarctic Circumpolar Current ... (ACC), the Ross and Weddell Gyres, and the Antarctic Coastal Current can promote spatially complex ...
Meeting Document : WG-FSA-12/23 : Автор(ы): J.W. Ferguson (USA)
-
Development of foraging behaviour and evidence of extended parental care in the gentoo penguin (Pygoscelis papua)
Abstract: We used radio telemetry and observations to study the activity patterns and behaviour ... of gentoo penguin chicks during their “fledging period”; defined as the time between a chick’s first ... trip to sea and its final dispersal from the breeding colony. Our study was conducted at a colony of ... approximately 2500 breeding pairs of gentoo penguins in Admiralty Bay, King George Island, South Shetland ...
Meeting Document : WG-EMM-06/8 : Автор(ы): M. Polito and W.Z. Trivelpiece (USA)
-
Preliminary analyses of data collected during experimental phases of the 1994/95 and 1995/96 Antarctic crab fishing seasons
of recaptured crabs and the movement of crabs away from their release sites. Density estimates from ... Abstract: Data collected from the FN American Champion during Phases 1 and 2 of the experimental ... crab fishery were analyzed with generalized additive models and depletion estimators. Results from the ... generalized additive models show that the density of fishable P. spinosissima is highest off the northern ...
Meeting Document : WG-FSA-96/34 : Автор(ы): Watters, G.
-
Report on the status of wandering, black-browed and grey-headed albatrosses at South Georgia
Abstract: Surveys of all known breeding sites of wandering, black-browed and grey-headed ... albatrosses were carried out at South Georgia in the 2003/04 breeding season. Wandering albatrosses were ... -headed albatrosses were breeding at South Georgia in the 2003/04 season. Compared to results from a ... predominantly yacht-based survey of black-browed and grey-headed albatrosses over the whole of South Georgia ...
Meeting Document : WG-FSA-04/71 : Автор(ы): S. Poncet (United Kingdom),G. Robertson (Australia), R. Phillips (United Kingdom), K. Lawton (Australia), B. Phalan, J. Croxall and P. Trathan (United Kingdom)
-
Post-fledging and winter migration of Adélie penguins (Pygoscelis adeliae) in the Mawson region of east Antarctica
were satellite-tracked using the Argos system during the winters of 1995-97 and 1998 respectively. Six ... February 1996 and 1997 and were tracked for up to five months before transmissions stopped. The seventh ... tracked for 32 days. All fledglings travelled northward initially, then westward along the edge of the ... fast-ice or in the pack-ice. Fledglings had travelled between 536 and 1931 km to the west of their ...
Meeting Document : WG-EMM-02/47 : Автор(ы): J. Clarke and K. Kerry (Australia), C. Fowler (USA), R. Lawless, S. Eberhard and R. Murphy (Australia)
Страницы
- « первая
- ‹ предыдущая
- …
- 369
- 370
- 371
- 372
- 373
- 374
- 375
- 376
- 377
- …
- следующая ›
- последняя »