Resultados de la búsqueda
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Diet and prey consumption of Antarctic petrels Thalassoica antarctica at Svarthamaren, Dronning Maud Land and at sea outside the colony
Abstract: The diet of the Antarctic petrel Thalassoica antarctica was studied during two years at ... Svarthamaren, an inland colony situated in Dronning Maud Land, Antarctica and in the pack-ice outside ... Svarthamaren. The analyses showed that the most important food (wet weight) at Svarthamaren was Crustaceans (68 ... %), followed by fish (29%) and squid (3%), whereas individuals collected in the pack ice took mostly fish (95 ...
Meeting Document : WG-EMM-97/58 : Autor(es): Røv, N., Lorentsen, S., Klages, N.
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Tests for anomalous years in the CCAMLR index series (draft)
Abstract: The properties of a method for detecting anomalous years in CCAMLR index series are ... obtained on the assumption that the series being considered consists of random values from a constant ... normal distribution. This idea is extended to situations (a) where the series values are still normally ... distributed, but contain a linear trend and autocorrelation, and (b) where the series values are from some ...
Meeting Document : WG-EMM-Stats-97/06 : Autor(es): MacKenzie, D., Manly, B.F.
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Distribution of salps near the South Shetland Islands during austral summer, 1990/1991 with special reference to krill distribution
investigated near the South Shetland Islands during austral summer 1990-1991. Salp biomass ranged between 0 and ... 556 mgC•m-3 and was greatest at a station in the Bransfield Strait in late December 1990. Salp biomass ... found, and the former was dominant numerically. Spatial distribution and generation composition of these ... so the January-February period. While E. superba was found mainly in the coastal area which showed ...
Meeting Document : WG-EMM-95/54 : Autor(es): Terazaki, M., Ichii, T., Kawaguchi, K., Nishikawa, J., Ishii, H., Naganobu, M.
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Pilot study on electrophoretic variation and stock structure in the mackerel icefish, Champsocephalus gunnari, South Georgia waters
Abstract: The use of allozymes as a tool in stock structure analysis was examined in the ... . Clearly resolved enzyme phenotypes were obtained at 18 loci, of which 7 exhibited polymorphism at the 0.95 ... ; phosphoglucose mutase, PGM-II 2.7.5.1; pyruvate kinase, PK 2.7.1.40). Routine scoring of 116 fish at the 18 loci ... revealed average levels of genetic variability, with the proportion of polymorphic loci, P = 0.278, mean ...
Meeting Document : WG-FSA-90/10 : Autor(es): G.R. Carvalho and D.P. Lloyd-Evans (United Kingdom)
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Fish prey of the wandering albatross Diomedea exulans at South Georgia
Abstract: The fish diet (45% of total diet by weight) of Wandering Albatrosses rearing chicks at ... South Georgia during the austral winters of 1983 and 1984 was investigated using otoliths retrieved from ... regurgitations. These provide the first quantitative data for this species and for any albatross. By number of ... (estimated from otolith length) of the main species was Pseudochaenichthys 51%, Muraenolepis 14 ...
Meeting Document : SC-CAMLR-VII/BG/05 : Autor(es): J.P. Croxall, A.W. North and P.A. Prince (United Kingdom)
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Spatial scales of benthic invertebrate habitats from fishery by catch and video transect data in the Ross Sea region
Abstract: High resolution VME taxa bycatch data (at the longline segment level) has been ... these data allows the detectability of sponges and gorgonian corals to be estimated, along with changes ... % of the time when present, and gorgonian patches are detected more than 60% of the time. Video ... transects on the Ross Sea slope from New Zealand’s 2008 IPY voyage provided data on the fine scale ...
Meeting Document : WG-EMM-10/28 : Autor(es): S.J. Parker, R.G. Cole and S.M. Hanchet (New Zealand)
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Estimation of the green weight of krill caught
Abstract: Vessels operating in the krill fishery in CCAMLR’s Convention Area have been required ... to directly estimate the green weight of krill caught since 2012/13. The estimation methods were ... parameter values are reported in each vessel’s haul-by-haul catch and effort data. This paper reviews the ... data reported in 2013/14 (to May 2014). Vessels fishing in 2013/14 used six methods for the direct ...
Meeting Document : WG-EMM-14/29 : Autor(es): Secretariat
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Preliminary report on krill survey off the coast of East Antarctica (Enderby Land to Prydz Bay) February-March 2015
Abstract: The Australian Antarctic research and resupply vessel, RV Aurora Australis, was ... station resupply. The purpose of this opportunistic Marine Science work was to assess: The spatial ... variability, particularly along the shelf break, of the prey field for penguins, flying seabirds and marine ... mammals in East Antarctica. The small scale variability of prey in key foraging locations near to land ...
Meeting Document : WG-EMM-15/22 : Autor(es): S. Kawaguchi, A. Constable, L. Emmerson, C. Southwell, R. King, K. Westwood and K. Swadling (Australia)
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Report of the Second International Workshop for identifying Marine Protected Areas (MPAs) in Domain 1 of CCAMLR (Palacio San Martín, Buenos Aires, Argentina, 25 to 29 May 2015)
Abstract: This report presents the results of the Second International Workshop for identifying ... Marine Protected Areas (MPAs) in Domain 1 of CCAMLR. The workshop was held in Buenos Aires, Argentina ... , from 25 to 29 May 2015. During the workshop, discussions were concentrated in reviewing and analyzing ... ), important areas for zooplankton life cycles (krill nurseries), and whales distribution during the non ...
Meeting Document : WG-EMM-15/42 : Autor(es): Second WS-MPA Domain 1
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Continuation of multi-Member research on the Dissostichus eleginoides exploratory fishery in 2018/19 in Division 58.4.3a by France and Japan
Abstract: In Division 58.4.3a, since 2012, research fishing has been conducted in the research ... “Mascareignes III” (France). The first Franco-Japanese exploratory longline fishery research plan for ... October 2017, the Scientific Committee agreed that the research plan is appropriate to achieve its ... their exploratory fisheries in Division 58.4.3a over the coming years in order to contribute to the ...
Meeting Document : WG-SAM-18/08 : Autor(es): Delegations of France and Japan