Résultats de la recherche
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First Annual Report of the CCAMLR Otolith Network, 2002
agreement in age estimations between all three readers, with no evidence of biases >2 years that would ... the CCAMLR Otolith Network (CON), following the Workshop on Estimating Age in Patagonian Toothfish ... held at the Centre for Quantitative Fisheries Ecology (CQFE), Old Dominion University, United States ... exchanges should 1) define better how these differences in interpretation may affect age estimates, and 2 ...
Meeting Document : WG-FSA-02/51
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Spatial distribution of foraging by female Antarctic fur seals
Abstract: The study tested the hypothesis that the distribution of critical habitat for foraging ... gradients in the oceans and also by the need to avoid local competition for food. It also tested the ... within 100 km of the location at which the offspring was being raised. When this constraint was removed ... years when there were different amounts of prey available. Females were constrained to forage mainly ...
Meeting Document : WG-EMM-01/26 : Auteur(s): I.L. Boyd, I.J. Staniland and A.R. Martin (United Kingdom)
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Fishes incidentally caught by Japanese Antarctic krill commercial fishery to the north of the South Shetland Islands in February 1997
Niitaka Maru were made from 1 to 23 February, 1997 to the north of the South Shetland Islands. Among 80 ... hauls. Except for one channichthyid juvenile of Neopagetopsis ionah, by-catch fishes were referred to ... estimated value was 20 to 380 ind./t. The present by-catch data did not provide clear relationship between ...
Meeting Document : WG-EMM-97/72 : Auteur(s): Iwami, T., Ichii, T., Naganobu, M., Kawaguchi, S.
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Variability of krill stock composition and distribution in the vicinity of Elephant Island during AMLR investigations 1988-1992
recruitment from the 1989/90 and 1990/91 year classes. Year class success may be related to the abundance of ... distributional patterns during each year indicate that the older age classes were associated with oceanic/Drake ... five year period indicates strong recruitment from the 1987/88 and 1990/91 year classes and poor ... Passage waters while younger classes were associated with water masses to the south. Between-year ...
Meeting Document : WG-KRILL-92/12 : Auteur(s): V. Loeb (USA) and V. Siegel (Germany)
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Further analysis of spatial patterns of benthic invertebrate habitats from fishery bycatch in the Ross Sea region
collected for two fishing seasons, with 4 728 longline segments observed. Several regions with consistent ... evidence of VME taxa. Identifiable sponge and/or gorgonian habitats occurred at a typical scale of 10-30 km ... indicate that several VME taxa are detected between 60% and 80% of the time when present, and that ... varies among four benthic bioregions developed for the Ross Sea. Together, the data show that vulnerable ...
Meeting Document : WG-FSA-10/30 : Auteur(s): S.J. Parker, R.G. Cole and S.M. Hanchet (New Zealand)
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TROPHIC OVERLAP OF WEDDELL SEALS (LEPTONYCHOTES WEDDELLI) AND ANTARCTIC TOOTHFISH (DISSOSTICHUS MAWSONI) IN THE ROSS SEA, ANTARCTICA
item for Weddell seals in the Ross Sea. • We summarise the life history of Weddell seals to provide an ... prey) will vary between different life history stages at different times of the year in different areas ... observations, animal-mounted camera information, and observations from field scientists in the McMurdo Sound ... region suggest that toothfish are a significant prey item for Weddell seals. • In contrast, research ...
Meeting Document : WG-EMM-08/43 : Auteur(s): M.H. Pinkerton, A. Dunn and S.M. Hanchet (New Zealand)
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Modelling and Decision Making as Part of the CCAMLR Management Regime
horizons, time steps, constraints and data) were identified in an attempt to provide a blueprint for the ... environment essential for the effective management of the Antarctic marine ecosystem within the requirements ... formulation of a suitable decision-making protocol for management purposes. Author(s): D.G.M. Miller (South ... of CCAMLR Article II. Eight attributes (purpose, description, variables, driving forces, time ...
Meeting Document : WG-CSD-88/10 : Auteur(s): D.G.M. Miller (South Africa)
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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°30'S and 55°S from 80 to 2500 m ... . The selectivity perimeter should be bigger than 46 cm. The new maturity curve range at 50% 78,27 for ... males, 87.06 for females and both 82,16. The length/weight curve for males was: a=5E-06; b=3.186 ... 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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SG-ASAM-2019
-based method for CCAMLR Division 58.4.1 in 2018/19 using data obtained by Japanese survey vessel Kaiyo ... ): Monday, 26 August 2019 to Friday, 30 August 2019 Chair / Convener: Dr Xianyong Zhao (China) Support: Dr ... 48.1) using two frequencies with 38 and 120 kHz S. Choi, S. Chung, I. Han, W. Oh, D. An and K. Lee SG ...
Meeting
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Survey of Antarctic fur seals in the South Shetland Islands, Antarctica, during the 1986/87 austral summer
sites for combined fur seal and penguin monitoring activities, as part of the CCAMLR Ecosystem ... by species, with no differentiation made between age and sex classes except for fur seals. At ... seals in the South Shetland Islands have been censused sporadically over the past 80 years, with the ... during the survey are presented. The optimal sites for combined fur seal and penguin monitoring ... on beaches for their annual molting period) were sighted often. Counts of all pinnipeds were tallied ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 427-440 : Auteur(s): Bengtson, J.L., L.M. Ferm, T.J. Härkönen, E.G. Schaner and B.S. Stewart