Résultats de la recherche
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Interannual variations of water thermochaline structure on South Georgia Island, South Orkney Islands and Shetland Islands shelves
between the same. Two year types were revealed in the area of South Orkney Isls. Availability of a warmed ... characteristics, T,S diagrams039; typification has been realized for hydrological stations carried out in the ... temperature, while in other years (1980, 1981) the layer temperature was negative. The second year type (1979 ... could be used when analysing krill aggregations039; distribution and density for the period of years ...
Meeting Document : WG-EMM-00/34 : Auteur(s): P. Chernyshkov, V. Shnar, O. Berezhinsky and I. Polischuk (Russia)
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Towards developing a feedback management procedure for the Antarctic krill fishery
CEMP sites (e.g. relationships between animal condition and subsequent survival). If a feedback ... in the ecosystem. Author(s): G. Watters and J. Hinke (USA) Title: Towards developing a feedback ...
Meeting Document : WG-EMM-12/44 : Auteur(s): G. Watters and J. Hinke (USA)
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Diel vertical distribution of Antarctic krill around the South Shetland Islands in February 2019 and its potential effect on biomass estimation
likely underestimate the krill density due to the shallow distribution pattern of the animal, which may ... affect the nighttime estimate more than the daytime estimate. Author(s): X. Wang, X. Yu, J. Zhang and X ...
Meeting Document : SG-ASAM-2019/05 : Auteur(s): X. Wang, X. Yu, J. Zhang and X. Zhao
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Algunos aspectos biologicos relevantes a la explotacion de la merluza negra (Dissostichus eleginoides Smitt, 1898) en la zona economica exclusiva argentina y sector oceanico adyacente
. The distribution of Patagonian toothfish extends between of 36°30039;S and 55°S from 80 to 2500 m ... starting from 900 meters depths, in the southern area, South of 54°S and 1000 m in 38°S to 48°S and to ... assume a conservative position of 1000m for all the area. Author(s): Almeyda, S.M., Prenski, L.B. Title ...
Meeting Document : WG-FSA-97/49 : Auteur(s): Almeyda, S.M., Prenski, L.B.
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A proposal to subdivide CCAMLR Statistical Division 58.4.1 using environmental data
58.4.1 can be divided into two approximately equal sized subdivisions: 80-115?E and 115-150?E on the ... ) we propose the formal subdivision of Division 58.4.1 into two based on the analysis of the scientific ... for the western portion and 1.79 for the eastern one. We suggest the calculation of new precautionary ... catch limits for the two subdivisions of Division 58.4.1 based on the revised krill biomass estimates ...
Meeting Document : WG-EMM-00/30 : Auteur(s): S. Nicol and T. Pauly (Australia)
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Further development of a krill fishery simulation model
the model predicts a 90% reduction in overlap with foraging predators, and a 15 to 20% reduction in ... to account for variability in catch rates. The most successful management regime is found to be one ... predators and 0 to 15% reduction in catches. Author(s): D.J. Agnew (Secretariat) Title: Further ...
Meeting Document : WG-Joint-94/04 : Auteur(s): D.J. Agnew (Secretariat)
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Some components of uncertainty in the CCAMLR 2000 acoustical survey of krill
distorted wave born approximation model of krill TS, fitted with measured distributions of animal lengths ... studies are warranted. Author(s): D.A. Demer (USA) Title: Some components of uncertainty in the CCAMLR ...
Meeting Document : WG-EMM-00/49 : Auteur(s): D.A. Demer (USA)
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Preliminary results of the experiments on the krill transport study in the South Orkney area (April 1992)
current039;s field. The researches were carried out by R/V "Dmitriy Stefanov" owned by PPO ... within the square of 30 x 30 miles northwestwards of Coronation Island in the fishing fleet operation ... based on these values. In the.first two dublicates the aggregation of krill was observed within the ... contour and in the second two- loss of krill. The aggregation was 52 thous. t greater than the loss. The ...
Meeting Document : WG-CEMP-92/34 : Auteur(s): L.G. Maklygin, V.N. Shnar, A.P. Malyshko (Russian Federation) and A.G. Shepelev (Ukraine)
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Environmental response of upper trophic level predators reveals a system change in an Antarctic marine ecosystem
largest size class was sufficient to support predator demand in the 1980039;s but not in the 1990039;s ... performance and survival is one of the keys to predicting future change in Antarctic marine ecosystems. Author ... increase in the frequency of years of low reproductive output. Changes in the population structure of krill ... (s): K. Reid and J.P. Croxall (United Kingdom) Title: Environmental response of upper trophic level ...
Meeting Document : WG-EMM-01/21 : Auteur(s): K. Reid and J.P. Croxall (United Kingdom)
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Preliminary assessment of mackerel icefish, Champsocephalus gunnari, on the Heard Island Plateau (Division 58.5.2) based on a survey in April–May 2003
approximately 20% of the 2002 estimate. This decline in abundance is consistent with the passage of the strong ... of un-assessed cohorts and provide for more stable catches between fishing years, while meeting the ... objectives of Article II. Comparison of yield estimates between Mathcad and Generalised Yield Model (GYM ... fulfills the objectives of Article II and is robust against the uncertainties inherent in the stock ...
Meeting Document : WG-FSA-03/32 : Auteur(s): A.J. Constable, C.R. Davies, R. Williams and T. Lamb (Australia)