Résultats de la recherche
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Food consumption by predators in CCAMLR Integrated Study Regions
Abstract: A detailed description of the structure and mode of operation of a model for estimating ... food consumption of seabird predators is provided. This model is a development of earlier ones used in ... . Specimen outputs are provided, illustrating the changes produced by using these new sub-models. Results of ... initial sensitivity analyses indicate particular sensitivity to estimation of metabolic energy ...
Meeting Document : SC-CAMLR-IX/BG/16 : Auteur(s): Delegation of United Kingdom
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Logiciel de calcul du crépuscule nautique
time in the morning and evening when the centre of the Sun is 12° below the horizon. At high latitudes ... 12° below the horizon for a period in winter. This calculator provides the times of nautical twilight ... . The times of sunrise and sunset are included, and all times are adjusted to reflect the UTC offset of ... -02 (Minimisation of the incidental mortality of seabirds in the course of longline fishing). In ...
Form
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Admiralty Bay (South Shetland Islands) as a model area for the long-term marine monitoring program – reasons and opportunities
Abstract: The objectives of this work are to demonstrate the unique character of Admiralty Bay ... , King George Island, South Shetlands (Subarea 48.1) in terms of its location, hydrology and existing ... Antarctic areas. Because of its location, semi‐closed nature, and history of intensive environmental and ... ecological research (hundreds of papers in various disciplines published in a variety of scientific journals ...
Meeting Document : WG-EMM-14/59 : Auteur(s): A. Panasiuk-Chodnicka, M. Korczak-Abshire, M.I. Żmijewska, K. Chwedorzewska, E. Szymczak, D. Burska, D. Pryputniewicz-Flis and K. Łukawska-Matuszewska (Poland)
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Collaborating to eliminate Illegal, Unreported and Unregulated fishing in the Southern Ocean
Abstract: The high-profile chase and sinking of the Thunder was just one of many important ... enforcement actions taken against vessels suspected of engaging in Illegal, Unreported, and Unregulated (IUU ... to these successes. There are a number of additional ways that CCAMLR could enhance its ability to ... development of enhanced procedures for tracking vessel movements; implementation of a modern, flexible and ...
Meeting Document : CCAMLR-XXXIV/BG/23 : Auteur(s): Submitted by ASOC and COLTO
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Conserving pattern and process in the Southern Ocean: designing a marine protected area for the Prince Edward Islands
Economic Zone (EEZ) of its sub-Antarctic Prince Edward Islands. The objectives of the MPA are to: (1 ... ) contribute to a national and global representative system of MPAs; (2) serve as a scientific reference point ... to inform future management; (3) contribute to the recovery of the Patagonian toothfish (Dissostichus ... eleginoides); and (4) reduce the bird bycatch of the toothfish fishery, particularly of albatrosses and ...
Meeting Document : CCAMLR-XXV/BG/16 : Auteur(s): Delegation of South Africa
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Quantifying within- and between-season variability in Adélie penguin fledgling weights: statistical and practical implications for detecting change
Abstract: We develop statistical models of Adélie penguin fledgling weight data collected at ... Béchervaise Island and use them in a power analysis as a continuation of the CEMP review. The statistical ... models incorporate both within- and between- season variability of fledgling weights from first ... attempts at incorporating multiple sources of variability rather than final products because a number of ...
Meeting Document : WG-EMM-05/20 : Auteur(s): L. Emmerson, C. Southwell and J. Clarke (Australia)
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Aerobic dive limit: how often does it occur in nature?
Abstract: Diving animals offer a unique opportunity to study the importance of physiological ... constraint in their everyday behaviors. An important component of the physiological capability of any diving ... animal is it’s aerobic dive limit (ADL). The ADL has only been measured in a few species. The goal of ... this study was to estimate the aerobic dive limit from measurements of body oxygen stores and at sea ...
Meeting Document : WG-EMM-00/48 : Auteur(s): D.P. Costa, N.J. Gales and M.E. Goebel (USA)
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Underwater noises produced by research vessels (some comments on acoustic sampling protocol for the Area 48 synoptic survey
Abstract: The underwater vessel noise levels perceived by the echosounder EK-500 transducers of ... three Russian research vessels have been presented. These data have been compared to the estimate of the ... that the level of underwater noise produced by vessel is an important technical property to be taken ... into account in assessment of such parameters of Acoustic Sampling Protocol as TS and Sv thresholds and ...
Meeting Document : WG-EMM-99/18 : Auteur(s): S. Kasatkina (Russia)
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Predicting changes in the Antarctic krill Euphausia superba population at South Georgia
of Antarctic krill Euphausia superba and subsequent effects on dependent predators. However, the ... nature and consequences of changes in krill population dynamics that accompany l1uctuations in its ... abundance are essentially unknown. A conceptual model, developed froll1 quantitative measures of krill ... length ill the diet of predators at South Georgia from 1991-1997, allowed predictions to be made about ...
Meeting Document : WG-EMM-99/37 : Auteur(s): K. Reid, K.E. Barlow, J.P. Croxall and R.I. Taylor (UnitedKingdom)
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Sea surface temerature anomalies near South Georgia: relationships with the South Atlantic and the Pacific El Niño regions
Abstract: The sea surface temperature dataset of Reynolds and Smith (1994) was used to describe ... variability around South Georgia. High levels of autocorrelation were evident in the sea surface temperature ... anomalies, with periodicity evident at a lag period of 4 years. To the north of the island significant ... autocorrelation was also evident at a lag period of 1 year; though this was restricted to an area that ...
Meeting Document : WS-AREA 48-98/10 : Auteur(s): P. Trathan and E.J. Murphy (UK)