Résultats de la recherche

1. Scar group of specialists – Marine living resources of the Southern Ocean

   Terms of Reference At its meeting in 1972 in Canberra, Australia, SCAR Working Group on Biology has ... order to stimulate early action, it was necessary for the Group of Specialists to meet in the near ... in the early stage of research planning needs therefore to be given to determining the types of ... and maturity. His study showed that early larval stages occur in deeper waters in the Bransfield ...

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2. Scientific Abstracts 2002

   Georgia over the continental shelf. Foraging trip characteristics differed between males and females ... . Technological information may provide early warnings of developments that could later herald an expansion in ...

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3. Scientific Abstracts 2004

   over the last decade, indicates that debris is still being lost by vessels into the marine environment ... different sized krill during the chick-rearing period. Foraging trip durations during the chick phase were ... longer than during the 2002/03 breeding season. The interpretation of the foraging trip behaviour may ... marine ecosystem will have been lost. WG-EMM-04/22 Foraging patterns in the Antarctic shag ...

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4. Scientific Abstracts 2006

   much higher, though not at the peak levels of 2003/04. This indicates that debris is still being lost ... during their fledging period, defined as the time between a chick’s first trip to sea and its final ... parental provisioning, behaviours not observed in other Pygoscelis species. Chicks took their first trip ... . During this fledging period, individual chicks made an average of five trips to sea. Trip duration ...

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5. Whales: Trophic modelling of the Ross Sea

   in the 1960s and early 1970s (Shevchenko 1975; Yukhov et al. 1975). However, these minke whales may ... that Antarctic orca have peak birthing rates in late summer/early autumn but that births occur year ... ) by a middle value of 1.3. Method 5. Here, we use an estimate of standard (or basal) metabolic rate ... from the live-capture fishery for Orcinus orca in British Columbia and Washington in the 1960s and ...

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6. Scientific Abstracts 2001

   successful spawning season, was G = 0.99, indicating an early initiation of the spawning season. This is ... 2000 (early- season); during late December/early January 2000/01 (mid-season), and in March 2001 ... regularly since 1996 (and on a more ad hoc basis since the early 1980s). We hoped that conducting several ... data from more restricted ‘snap-shot’ cruises in a broader context. The early- and late-season ...

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7. Scientific Abstracts 1994

   superba) from austral early summer to midsummer in 1983/84 in the vicinity of Prydz Bay, Antarctica. M ... changes in sex ratio and the coefficient of fatness which took place from early to mid-summer. The high ... full mammae, indicating that mammary volume capacity is unlikely to limit foraging trip duration. Upon ... ± 4.41 MJ•day-1). The rate of milk energy production during the foraging trip was negatively correlated ...

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8. Scientific Abstracts 2008

   , East Antarctica. While the various life stages described here are also likely to represent other ... possibilities for improvement. WG-EMM-PSW-08/12 A brief summary of Adélie penguin count data from East ... count data from East Antarctica to demonstrate the extent and nature of variability in data from this ... case study for Adélie penguins in East Antarctica. C. Southwell, D. Smith and A. Bender (Australian ...

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9. SC-CAMLR-SSP/8

   occurring were Thysanoessa sp. (3.3.%), myctophids (Electrona sp., Gymnoscopelus sp.) (1.8%), early life ... southeast and on coastal stations in the east. T. gaudichaudii was the staple food in most of the western ...

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10. Scientific Abstracts 1992

    mature stages and/or the development state of mature females during early summer. The overall ... indicated that krill biomass in this region had been lower than expected until early February 1991. As for ... ) at Seal Island were conducted to identify and evaluate their foraging areas during early January 1990 ... the Australian SIBEX-II data. The Australian SIBEX-II estimate falls in the middle of the range of ...

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