Resultados de la búsqueda
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Results of the CCAMLR Antarctic fish otoliths/scales/bones exchange system
/ Description: An exchange system was established among Members of CCAMLR to compare age determinations for the ... agreement in age determination was highest for scales of juvenile N. rossii and for otoliths of juvenile C ... . gunnari from South Georgia and lowest for scales of adult N. rossii and N. gibberifrons and otoliths of P ... light against a black background (Kock, Gubsch, Sosinski). The first two to three annuli identified on ... (Gerasimchook in SC-CAMLR-VII/8G/41). Sagittal otoliths were proved to be suitable for estimating age. Two ... carried out for N. rossii and C. gunnari (Radtke, SC-CAMLR-VI/8G/43). Findings on N. rossii agree well ... with an extensive discussion on the life history of a species may in the future better help to ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 197–226 : Autor(es): Kock, K.-H.
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Interannual variability of krill, salp and other zooplankton populations in the South Shetland Island area during Austral summer 1993–1998
recruitment from the past two years. Unusually small juvenile krill in 1998 suggested that survival success ... ". The 4-5 year periodicity of "salp years" over the past fifteen years is discussed with ... regimes identified here as "cope pod years", "salp years" and "transition periods ... during the 1993 "salp year". The magnitude of this salp bloom may have resulted from a large ...
Meeting Document : WG-EMM-98/50 : Autor(es): V. Loeb, W. Armstrong, R. Hewitt (USA) and V. Siegel (Germany)
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Defining smaller management areas within CCAMLR
derived conceptual model is then used to formulate a work program for the development of fisheries on prey ... means for circumscribing predator units as well as undertaking an assessment of long-term annual yield ... undesirable effects on predators in any of the predator units. In this way, the need for whether or not local ... and highlights a work program in this development. It provides the theoretical foundation for ...
Meeting Document : WG-EMM-01/52 : Autor(es): A.J. Constable and S. Nicol (Australia)
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The Future of Antarctica Forum: distinguishing climate change impacts from other impacts in the Antarctic Peninsula
Abstract: The paper reports on the outcomes of the first Future of Antarctica Forum that ... made it clear that they have shared objectives. All stakeholder participants agreed on the importance ... the direct and interactive effects of climate change, fishing, tourism, and national operations on ... ecosystems in the Antarctic Peninsula region for improved environmental management’. Oceanites accepted the ...
Meeting Document : CCAMLR-XXXV/BG/14 : Autor(es): Submitted by Oceanites, Inc.
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Aves marinas registradas en el océano Atlántico sur y sudoccidental durante el período 1994¬–2003
Abstract: Records of seabirds collected by on board observers on different research or fishing ... vessels between the years 1994 and 2003 are presented. A total of 883 daily census were included. 22 ... species and three genera were identified in the Atlantic Ocean, within an area between 20ºS and 57ºW and ...
Meeting Document : WG-FSA-04/39 : Autor(es): Y.H. Marín, L.C. Barea, J.F. Chocca y A. Stagi (Uruguay)
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Natural mortality rate in the mackerel icefish (Champsocephalus gunnari) around South Georgia
Abstract: Information on natural mortality rates of the mackerel icefish, Champsocephalus gunnari ... , from the period prior to large scale commercial harvesting is discussed. Methods based on population ... age structure and growth parameters are used. It is concluded that only in the three earliest years ... , 195 1, 1964 and 1966, do the data reflect an unexploited population. The best estimate of M from ...
Meeting Document : WG-FSA-97/05 : Autor(es): Everson, I.
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Propuesta para establecer un Área Marina Protegida en la región del Mar de Ross
United States appreciate the many comments received from other Members on proposals for a Ross Sea Region ... Commission for the Conservation of Antarctic Marine Living Resources (Commission or CCAMLR) of a marine ... which the United States and New Zealand developed their original MPA scenarios for the Ross Sea Region ... . This proposal was last submitted to CCAMLR as CCAMLR-XXXI/16 Rev. 1 on October 29, 2012, during the ...
Meeting Document : CCAMLR-SM-II/04 : Autor(es): Delegations of New Zealand and the USA (This paper introduces a revised version of the proposal contained in CCAMLR-XXXI/16 Rev. 1 of 29 October 2012)
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Marine debris and entanglements at Bird Island and King Edward Point, South Georgia, Signy Island, South Orkneys and Goudier Island, Antarctic Peninsula 2012/13
Island, South Orkneys and at Goudier Island, Antarctic Peninsula for the period April 2012 to March 2013 ... (operational during summer only; 25 November 2012 to 20 March 2013) recorded a total of 13 items of beached ... lowest recorded in 23 years of summer surveys at Signy Island, possibly due to sea-ice coverage at the ... associated with seabird colonies was below the mean level for wandering albatrosses, grey-headed albatrosses ...
Meeting Document : SC-CAMLR-XXXII/BG/05 : Autor(es): Delegation of the United Kingdom
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Large-scale oceanographic fluctuations drive Antarctic petrel survival and reproduction
on adult survival (estimated from capture–mark–recapture data) and reproduction of Antarctic petrel ... whether large-scale oceanographic uctuations impact survival and reproduction. Second, we conducted an ... exhaustive literature review to determine whether the e ects of large-scale environmental variability on ... petrels can be accurately modeled using the two modes of large-scale climate variability in Antarctica. e ...
Meeting Document : WG-EMM-16/P14 : Autor(es): S. Descamps, A. Tarroux, S.-H. Lorentsen, O.P. Love, Ø. Varpe and N.G. Yoccoz
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Location and intensity of the Soviet krill fishery in the Elephant Island area (South Shetland Islands), 1988/89
maximum, for the last nine seasons the total fishing intensity by the USSR around Elephant Island has been ... highest catch-per-unit-effort was observed in January 1989 (7.7 tonnes per hour of trawling on average ... ), and the lowest in November 1988 (3.5 tonnes per hour of trawling on average). Fishing strategy in the ... (north of Elephant Island) and start searching for krill concentrations; (ii) krill concentrations are ... important in developing measures for managing the krill fishery within the framework of the Convention on ... ) one or two vessels enter the Elephant Island area and start searching for krill concentrations ... drifted northeast for about 105 to 120 n miles (194 to 222 km) from 1 to 20 December 1988 (Figures 6a to ... ) ( tonneslhour) 1988: 21 to 25 November 333 6.6 50.4 3.60 26 to 30 November 1636 29.4 55.6 3.50 Total for ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 305–335 : Autor(es): Sushin, V.A. and A.S. Myskov