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Trends in population size and breeding success at colonies of macaroni and rockhopper penguins, Marion Island, 1979/80–1995/96
penguins (E. chrysocome) between 1985/86 and 1995/96 was measured. For macaroni penguins, averages of 0.48 ... eggs and 0.35 chicks were hatched and fledged respectively for each clutch laid. Corresponding averages ... for rockhopper penguins were 0.68 eggs and 0.48 respectively. The largest of the three macaroni ... penguin colonies investigated decreased in size over the study period, while the other two remained stable ... two species, and for the colonies at Van den Boogaard River (Table 3). On average, macaroni ... influence on these two penguins at different stages of the reproductive cycle - before or at laying for ... a significant correlation in overall breeding success at these two localities. Implications for ... breeding parameters for two closely related species of penguin at Marion Island shown in this paper also ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 89–103 : Автор(ы): Cooper, J., A.C. Wolfaardt and R.J.M. Crawford
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Acoustic estimates of krill biomass in the Elephant Island area: 1981-1993
Abstract: Acoustic estimates of krill biomass in the vicinity of Elephant Island for the years ... 1981-1993 (with the exception of 1982 and 1986) are presented. Estimates for 1981-1991 are based on ... previous reports adjusted for the recently proposed definition of krill target strength. Biomass estimates ... from 2.5 g/m2 to 134.5 g/m2 Average biomass and average areal density over the 13-year period was 1,692 ...
Meeting Document : WG-KRILL-93/49 : Автор(ы): D.A. Demer and R.P. Hewitt (USA)
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Krill: the power lunch of Antarctica
Abstract: For several years, ASOC has been calling for improved management of Antarctic krill ... coverage on board krill vessels, identifying priority objectives for research and development in support of ... procedures with the aim of reducing speculative notifications, and requiring mandatory ice-strengthening for ... Delegation responsibility for releasing documents: CCAMLR Secretariat ...
Meeting Document : CCAMLR-XXXIII/BG/25 : Автор(ы): Submitted by ASOC
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IMPLEMENTATION OF FISHERY CONSERVATION MEASURES IN 2009/10
started on 1 December 2009 and will end on 30 November 2010, and fishing is still in progress in some ... Data reporting 4 Other Points for Consideration 4 Vulnerable marine ecosystems 5 Notifications made ... 2009/10 (see CCAMLR-XXIX/BG/9 for summary). 2. The implementation of CMs dealing with fisheries, data ... reporting, monitoring and notifications for fisheries (new, exploratory and krill) and scientific research ...
Meeting Document : CCAMLR-XXIX/BG/10 : Автор(ы): Secretariat
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Biomass of myctophids in the Atlantic sector of the Southern Ocean as estimated by acoustic surveys
surveyed in two stages. Firstly, the area from 51 °30' to 56°00'S and between 20°30' and 26°30'W was ... Table 1. An oscilloscope was used to monitor input signals and an "Iskra-226" computer was used for ... . Specimens of 70 to 80 mm predominated. An echometric survey for myctophids, carried out from 18 to 31 ... February 1988 an echometric survey for myctophids was conducted in the Polar Frontal Zone from 48° to 51 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 417–431 : Автор(ы): Filin, A.A., K.V. Gorchinsky and V.M. Kiseleva
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PREDICTING THE VULNERABILITY OF BRYOZOANS AND SPONGES TO DISTURBANCE USING LIFE-HISTORY CHARACTERISTICS
Abstract: Following on from earlier analyses presented to WG-EMM, meta-analyses of life-history ... characteristics and their relationships with physical and chemical variables were undertaken for habitat-forming ... invertebrates other than cnidarians. Particular focus was placed on bryozoans and sponges which are known to ... model suggests that Southern Ocean bryozoans may take more than 50 years to recover following ...
Meeting Document : WS-VME-09/12 : Автор(ы): Martin-Smith, K.
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Variations in the diet composition and feeding intensity of mackerel icefish (Champsocephalus gunnari) at South Georgia (Antarctic)
energy content appears to be the prefered diet. In years of krill shortage, such as in 1991, krill is ... when energy-rich food is needed for the final maturation of the gonads. It was highest in 1992. At the ... same time, an unusually high proportion of sexually mature fish showed no signs of the gonad ... the lowest within a 28 year period of investigation. Variation in food composition between sampling ...
Meeting Document : WG-FSA-93/24 : Автор(ы): K.-H. Kock and S. Wilhelms (Germany), I. Everson (United Kingdom) and J. Gröger (Germany)
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Protected Areas
option of using the provisions of Article 9.2(g) of the Convention more widely; develop a clear ... prioritised program (based on the future work identified in the Commission’s 2007 Report (CCAMLR-XXVI ... , paragraph 7.18)) for the timely development of a network of MPAs, and indicating as such to the Scientific ... 5.39; (2011) SC approval for technical workshops in 2012 to support the development of planning domains ...
Page : Site Section: The Organisation
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Density and abundance estimates of baleen whales recorded during the 2019 DY098 cruise in the Scotia Sea around South Georgia and the South Sandwich Islands
on the abundance of krill and so was not optimised for deriving design-based cetacean abundance ... (CCAMLR Subareas 48.3 and 48.4) during the 2018/19 international synoptic krill survey to provide ... preliminary density and relative abundance estimates for humpback whales (Megaptera novaeangliae), fin whales ... (Balaenoptera physalus) and for all other baleen whale species sighted. The survey was designed to collect data ...
Meeting Document : WG-EMM-2019/27 : Автор(ы): M. Baines, M. Reichelt, C. Lacey, S. Pinder, S. Fielding, N. Kelly, E. Murphy, P. Trathan and J.A. Jackson
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Plan of research program of the Russian Federation in Subarea 48.5 (Weddell Sea) in season 2013/14
Russian Federation multi-year research program in the Weddell Sea that are prospected for 3-5 years ... as one of the most promising area for exploratory fishery of Dissostichus sp. However, fishery in ... subarea 48.5 is closed on the basis data on stock absence. The main objective of the present program is ... collecting data for reliable stock assessment and following estimation of precautionary limits in accordance ...
Meeting Document : WG-FSA-13/09 : Автор(ы): A.F. Petrov, I.I. Gordeev and K.V. Shust (Russia)
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