Résultats de la recherche
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Adélie penguins as indicators of the state of the sea-ice in Adélie Land
Island, Terre Adélie, failed to fledge their chicks. This catastrophic breeding failure resulted from two ... characterized by unusual precipitations of rain around the turn of the year that killed massively the already ... weakened young chicks. While we haven’t seen yet the consequences of this “zero year” on the demography of ... -14, as sea ice extended as far as 80 km from the colony but over the entire breeding period. Snow ...
Meeting Document : WG-EMM-17/01 Rev. 1 : Auteur(s): Y. Ropert-Coudert, A. Kato and C. Barbraud
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Reconciling theoretical versus empirical target strengths of krill; effects of phase variability on the distorted wave Born approximation
broadside incidence (?? 90°), but large discrepancies were observed at other angles away from the main lobe ... . Author(s): D.A. Demer and S.G. Conti (USA) Title: Reconciling theoretical versus empirical target ...
Meeting Document : WG-EMM-02/50 : Auteur(s): D.A. Demer and S.G. Conti (USA)
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Seabird avoidance measures for small Alaskan longline vessels
(> 26 to 55 feet) using two gear types: snap-on gear and fixed gear. We also determined the ... access window produced by vessels deploying fixed gear at faster speeds averaged 90 m. Gear sink rates ... 16.8 m and with infrastructure (a 45-m streamer line with a minimum aerial distance of 20 m) was ... among vessels and gear types were similar (0.09 to 0.13 for snap on gear vessels and 0.07 m/s for fixed ...
Meeting Document : WG-FSA-05/36 : Auteur(s): E.F. Melvin and M. Wainstein (USA)
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Report on attendance at the Third Meeting of the Committee for Environmental Protection Under the Madrid Protocol
criteria; (c) CCAMLR039;s consideration of l\-larine Protected Areas should be carried forward and in ... Antarctic research stations should be kept under review; (e) SC-CAMLR039;s potential involvement in the ... outlining the former039;s experience with data/information management, and (g) The participation of the SC ... this context the Guidelines for Implementation of Article 3, Annex V of the Environmental Protocol ...
Meeting Document : SC-CAMLR-XIX/BG/17 : Auteur(s): Chair of the CCAMLR Scientific Committee
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Developing a Ross Sea region medium-term data collection plan
potentially reversible over two or three decades, with the aim of making possible the sustained conservation ... -CCAMLRXXVII paragraph 4.160 vi). The long-term goals of the Ross Sea fishery based on Article II of CAMLR can ... , proposed medium term research objectives for the Ross Sea fishery for the next 5–7 years were developed in ... (s): S. Mormede and S. Hanchet (New Zealand) Title: Developing a Ross Sea region medium-term data ...
Meeting Document : WG-FSA-10/32 : Auteur(s): S. Mormede and S. Hanchet (New Zealand)
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The effect of temporal variability on power analysis predictions for Adélie penguin CEMP parameters at Béchervaise Island
or decreases larger than 2% each year with more than 80% power. Increasing the duration of the ... parameter and the likely response of parameters such as arrival or fledgling weights are two of these issues ... (5.2 – 6.7%). For example, with a 10 year monitoring program it is possible to detect fixed increases ... to 10 years duration. Author(s): L.M. Emmerson and C. Southwell (Australia) Title: The effect of ...
Meeting Document : WG-EMM-03/49 : Auteur(s): L.M. Emmerson and C. Southwell (Australia)
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A survey of fish stocks in the Heard Island and McDonald Islands region in the 1999/2000 season and a comparison of the abundances of selected species with those obtained in previous surveys
, varying by a factor of 2-3 between years, but C. gunnari abundance can vary by a factor of about 20 ... between years. This is the result of occasional strong year classes entering the fishery and dominating ... Heard Island Plateau and Shell Bank. Abundances and length density plots of these species plus two ... the population for about 2 years before disappearing, as has been documented in other locations ...
Meeting Document : WG-FSA-00/40 : Auteur(s): R. Williams, A. Constable, T. Lamb and E. van Wijk (Australia)
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An acoustic survey of Antarctic krill on the South Georgia shelf, CCAMLR Subarea 48.3, in January 1992
ship039;s speed exceeded 7 knots and when the ship was over the shelf around the main island of South ... other scatterers. A threshold at one frequency was used to remove noise and any echoes too weak to be ... backscattering strength at the two frequencies into a) echoes from krill-sized scatterers and smaller and b ... . An overall mean for daytime transects was 95 g m-2. Author(s): Everson, I., Goss, C. Title: An ...
Meeting Document : WG-EMM-96/42 : Auteur(s): Everson, I., Goss, C.
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DEVELOPMENT OF A METHODOLOGY FOR DATA QUALITY ASSESSMENT
fishery. Cluster analyses suggests two groups of trips, one of which can tentatively be considered to have ... 039;s Law for the distribution of the first significant digit, whether length-frequency data have been ... released by the other group of trips. Author(s): D.A.J. Middleton and A. Dunn (New Zealand) Title ...
Meeting Document : WG-SAM-08/13 : Auteur(s): D.A.J. Middleton and A. Dunn (New Zealand)
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Draft updated data collection plan for the Ross Sea toothfish fishery
ecosystem which are not potentially reversible over two or three decades, with the aim of making possible ... 2015/16 fishing year onwards. It is also recommended that observers avoid using generic species codes ... Article II of CCAMLR can be summarised as: the target fished population is above a level which ensures ... research objectives for the Ross Sea fishery for the next 5–7 years were developed in 2014. These medium ...
Meeting Document : WG-FSA-15/40 : Auteur(s): S.M. Hanchet, S.J. Parker and S. Mormede (New Zealand)