Resultados de la búsqueda
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Precision of growth band determination from eyestalk sections of Antarctic krill (Euphausia superba) preserved in formalin
have a greater impact on the feedback management process because this preservation method was more ... infromation were not including published paper). This method is direct and uses a grinding and polishing ... technique before reading, contrary to Krafft et al. (2016) and Kilada et al. (2017). Combined with published ... studies, specimens collected from autumn to winter in this study can provide a better understanding of ...
Meeting Document : WG-EMM-18/P16 : Autor(es): G.P. Zhu, Y. Yang, Q. Song and H.T. Zhang
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CLIMATICALLY DRIVEN FLUCTUATIONS IN SOUTHERN OCEAN ECOSYSTEMS
of how biological and physical processes interact across a wide range of scales. Here we examine the ... atmospheric teleconnections with El Niño Southern Oscillation (ENSO)-related processes. These SST anomalies ... than 1 year), where ENSO and Southern Annular Mode-related atmospheric processes have a direct ... °C over the next 100 years could lead to more than a 95% reduction in the biomass and abundance of ...
Meeting Document : WG-EMM-08/P02 : Autor(es): E.J. Murphy, P.N. Trathan, J.L. Watkins, K. Reid, M.P. Meredith, J. Forcada, S.E. Thorpe, N.M. Johnston and P. Rothery
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Large-scale oceanographic fluctuations drive Antarctic petrel survival and reproduction
(the El Niño Southern Oscillation and Antarctic Oscillation Indices) we assessed their e cacy to ... predict variation in the demographic parameters of Antarctic seabirds. First, we used a long-term dataset ... Antarctic seabirds have a coherent ngerprint across the Antarctic continent and nearby islands. We found ... populations in Antarctica without additional data. Author(s): S. Descamps, A. Tarroux, S.-H. Lorentsen, O.P ...
Meeting Document : WG-EMM-16/P14 : Autor(es): S. Descamps, A. Tarroux, S.-H. Lorentsen, O.P. Love, Ø. Varpe and N.G. Yoccoz
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Physical forcing in the southwest Atlantic: ecosystem control
anomaly data for the El Niño 4 region in the Pacific show that variability at South Georgia also reflects ... . Biological variability is also apparent at South Georgia, being evident in data from a suite of top predators ... correlated with warm anomaly periods, but lagged by a number of months. For some predators the most critical ... . Thus, gentoo penguins (Pygoscelis papua) show a strong negative relationship between the number of ...
Meeting Document : WG-EMM-04/34 : Autor(es): P.N. Trathan, E.J. Murphy, J. Forcada, J.P. Croxall, K. Reid and S.E. Thorpe (United Kingdom)
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ENVIRONMENTAL FORCING AND SOUTHERN OCEAN MARINE PREDATOR POPULATIONS: EFFECTS OF CLIMATE CHANGE AND VARIABILITY
Abstract: The Southern Ocean is a major component within the global ocean and climate system and ... various ways, including alterations to climate and weather patterns across a variety of time-scales that ... include changes to the long interdecadal background signals such as the development of the El Niño ... –Southern Oscillation (ENSO). Oscillating climate signals such as ENSO potentially provide a unique ...
Meeting Document : WG-EMM-08/P06 : Autor(es): P.N. Trathan, J. Forcada and E.J. Murphy
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Revised reports on abundance and biological information of toothfish in Division 58.4.3b by Shinsei Maru No.3 in 2010/11 and proposal of the consecutive survey in 2011/12
Abstract: A survey was conducted in order to collect information for the stock status and biology ... of toothfish in the southeast sector (24 allocated hauls) of Division 58.4.3b (BANZARE Bank), using a ... species was 12.0 ton in the SE sector, where the catch limit of 15 ton was set. Mean CPUE of Dissostichus ... . mawsoni and 79 % for D. eleginoides). There was a significant difference in physical conditions of D ...
Meeting Document : WG-FSA-11/13 Rev. 1 : Autor(es): K. Taki, T. Iwami and M. Kiyota (Japan)
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Unusual breeding by seabirds at Marion Island during 1997/98
species of seabirds capable of foraging over wide areas and for a tern. The number of king penguin ... Pygoscelis papua and Crozet shag Phalacrocorax [atriceps] melanogenis, 1997/98 was a particularly poor ... chicks of rockhopper penguins fledged with a slightly heavier mass than in other years. However, for both ... /99) breeding season. The unusual breeding by most of the seabirds coincided with the El Niño Southern ...
Meeting Document : WG-EMM-03/13 : Autor(es): R.J.M. Crawford, C.M. Duncombe Rae, D.C. Nel and J. Cooper (South Africa)
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Breeding numbers and success of Eudyptes penguins at Marion Island, and the influence of arrival of adults
have a greater foraging range than Rockhopper Penguins when breeding, and may be more influenced at ... significantly correlated with that of females. Although both species had low weights on arrival after the El ...
Meeting Document : WG-EMM-05/38 : Autor(es): R.J.M. Crawford, J. Cooper, B.M. Dyer and L.G. Underhill (South Africa)
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PROPOSED CHANGES TO THE SCIENTIFIC OBSERVERS MANUAL
of Contents, with a full track-change version of the Manual provided as an appendix. Two additional ... are: Proposal for a revised method for recording Krill Feeding Observations, and Proposal for a ...
Meeting Document : TASO-09/04 : Autor(es): Secretariat
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Report on progress with the Southern Ocean Observing System (SOOS)
months, with a deadline of 1 October. A final version of the plan will be circulated before the end of ... ). The SOOS plan has been made available for community comment (www.scar.org/soos) for a period of two ... the year. A SOOS Secretariat will be hosted by Australia to aid implementation. Details of the ... Secretariat are currently being finalized. Author(s): A joint submission by SCAR and SCOR Title: Report on ...
Meeting Document : CCAMLR-XXIX/BG/16 : Autor(es): A joint submission by SCAR and SCOR