Resultados de la búsqueda
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Recruitment of Antarctic krill (Euphausia superba) and possible causes for its variability
abundance of the 1 + age class, varies substantially between years, whereas it is quite similar between ... different surveys within the same field season. The overall mean recruitment index for all years was Rmean ... Abstract: Between year variability of krill year class success and recruitment during the 1977 ... = 0.210. Good recruitment was observed for the 1980/81, 1985/86, 1987/88, and 1990/91 year classes ...
Meeting Document : WG-EMM-95/15 : Autor(es): Siegel, V., Loeb, V.
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Analysis of the diet of Champsocephalus gunnari in Subarea 48.3, Dr E. Holmberg survey, February 1995
empty stomachs (also at Shag Rocks), close to the values reported for years of krill scarcity. While no ... somewhat below the historical years of high abundance, but above than in 1994. Author(s): Marschoff, E ...
Meeting Document : WG-FSA-95/36 : Autor(es): Marschoff, E., Barrera-Oro, E., Casaux, R.
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Long-term study of the at-sea distribution of seabirds and marine mammals in the Scotia Sea, Antarctica
-bellied Storm Petrel. Antarctic Prion was the dominant species within the 5 years whereas Cape petrel ... encounter rate in the five years (0.29 ± 1.57 whale/nautical mile), followed by Humpback whale (0.09 ± 0.54 ...
Meeting Document : WG-EMM-14/06 Rev. 1 : Autor(es): J.L. Orgeira, M. Alderete, Y.G. Jiménez and J.C. González (Argentina)
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Has krill fishing the potential to adversely affect recruitment in Antarctic notothenioid fishes?
Abstract: A few years after krill (Euphausia superba) fishing had started in 1972/73, it became ... 25 years later WG-FSA is still not in the position to estimate the amount of fish by-catch reliably ...
Meeting Document : WG-FSA-14/66 : Autor(es): K.-H. Kock (Germany) and C.D. Jones (USA)
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Population status of Ross Sea killer whales (Orcinus orca, Type C) in McMurdo Sound, Antarctica, based on photo-identification studies
175 there annually. Despite high turnover of different whales between years, we used a Bayesian mark ... individuals resighted over 2-14 years. Contrary to recent reports that commercial overfishing of Antarctic ... -eating ecotype, in McMurdo Sound, Antarctica, during 7 seasons, over a 14-year period from 2001/02 to ...
Meeting Document : WG-EMM-16/50 : Autor(es): R. Pitman, H. Fearnbach and J.W. Durban
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Estimation of tag-loss rates for tagged fish in the Patagonian toothfish (Dissostichus eleginoides) fisheries at Heard Island and McDonald Islands in Division 58.5.2
fishery, 99.3% of all double-tagged fish retain at least one tag after one year, and 80.2% after ten years ... at liberty of 6 years, as l = 0.014 for longline and l = 0.007 for trawl. However, this single tag ...
Meeting Document : WG-FSA-17/21 : Autor(es): P. Ziegler
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Estimating the biodiversity of Planning Domain 5 (Marion and Prince Edward Islands – Del Cano – Crozet) for ecoregionalisation
and Prince Edward Islands together host the entire population of Crozet shag, about 70% of the world ... productivity in the vicinity of the islands, together with the large aggregations of seabirds and seals found ...
Meeting Document : WG-EMM-12/33 Rev. 1 : Autor(es): P. Koubbi (France), R. Crawford (South Africa), N. Alloncle, N. Ameziane, C. Barbraud, D. Besson, C.-A. Bost, K. Delord, G. Duhamel (France), L. Douglass (Australia), C. Guinet (France), G. Hosie (Australia), P.A. Hulley (South Africa), J. O. Irisson (France), K.M. Kovacs (Norway), R. Leslie, A. Lombard, A. Makhado (South Africa), C. Martinez (France), S. Mormede (New Zealand), F. Penot (France), P. Pistorius (South Africa), P. Pruvost (France), B. Raymond (Australia), E. Reuillard, J. Ringelstein (France), T. Samaai (South Africa), P. Tixier (France), H.M. Verheye (South Africa), S. Vigetta (France), C. von Quillfeldt (Norway) and H. Weimerskirch (France)
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Report on assessment and avoidance of incidental mortality in the Convention Area 1995/96
during the year to 30 June 1996 related to the assessment and avoidance of incidental mortality due to ...
Meeting Document : CCAMLR-XV/BG/28 : Autor(es): Australia
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Texto del Sistema de Observación Científica Internacional de la CCRVMA
observers referred to in Article XXIV of the Convention. (a) The Commission will specify activities of ... provided by the vessel; (iv) have been convicted of a serious criminal offense for five years prior to ... effectiveness and the need to continue this activity after a two-year trial period (CCAMLR-XVII, paragraph 8.17 ...
Document : Site Section: Publications
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COLTO Depredation Workshop
operational guidelines in regards to depredation. A second depredation workshop is planned for 2018, aimed at ... depredation projects have been developed and will begin in October 2016. The first, a 4-year project covering ... the second, a 2-year project covering other toothfish fisheries. Author(s): Submitted by COLTO Title ...
Meeting Document : SC-CAMLR-XXXV/BG/23 : Autor(es): Submitted by COLTO