Resultados de la búsqueda
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Evaluation of Antarctic krill biomass and distribution off the South Orkney Islands 2011-2015
coverage in all years except 2013. The results show that except from the year 2015, krill densities were ... assessments, but the frequencies operated varied between vessels and years. In addition, the survey coverage ... has varied between years in particular due to ice. In order to allow for comparison of distribution ... . 8 million tons of krill within the stratum in the peak year 2014. There were also consistently ...
Meeting Document : WG-EMM-15/54 : Autor(es): G. Skaret, B.A. Krafft, L. Calise (Norway), J. Watkins (UK), R. Pedersen and O.R. Godø (Norway)
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A brief outline of the biology of the Antarctic silverfish, Pleuragramma antarcticum Boulenger, 1902 (Nototheniidae) from the Antarctic Indian Ocean
three relatively isolated groups. Fish aged from 0+ to 3+ years live in the epi- mesopelagic zone where ... when they reach 13-16 cm in length and 4-6 years of age. Males reach maturity at 12-18 cm in length and ... species in the outer waters of Antarctica. In the Indian sector of the Southern Ocean there are at least ... there are macro aggregations of plankton, while fish aged from 3+ to 12+ years form near-bottom, pelagic ...
Meeting Document : WG-FSA-92/11 Rev. 1 : Autor(es): V.V. Gerasimchuk (Ukraine)
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Population demography of Antarctic fur seals: the costs of reproduction and implications for life-histories
animals having been pregnant in the previous year. 6. Reproduction incurs costs to females, in terms of ... Abstract: 1. This study examined the costs of reproduction in terms of future survival and ... reproduction in female Antarctic fur seals from Bird Island, South Georgia. It used mark-recapture data from 11 ... consecutive years, including 3 years when several indices showed that food availability was well below average ...
Meeting Document : WG-EMM-95/26 : Autor(es): Reid, K., Croxall, J.P., Lunn, N.J., Boyd, I.L.
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Seabird research at Cape Shirreff, Livingston Island, Antarctica, 2006/07
lowest population size in the 10 years of census data. The number of diet samples containing fish was the ... been declining for the past seven years and is at its lowest size in the 10 years of study. Chinstrap ... Abstract: Our tenth season of seabird research at Cape Shirreff allowed us to assess trends in ... penguin population size, as well as inter-annual variation in reproductive success, diet and foraging ...
Meeting Document : WG-EMM-07/P1 : Autor(es): R. Orben, S. Chisholm, A. Miller and W.Z. Trivelpiece (USA)
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Información sobre la pesca ilegal en el Área estadística 58 Evaluación de la pesca ilegal en aguas francesas alrededor de las islas Kerguelén y Crozet Informe de las observaciones e inspecciones realizadas en el Área de la CCRVMA Temporada 2011/2012 (1 julio 2011 – 15 julio 2012)
. The geographical area covered in this report comprises Statistical Subarea 58.6 and Divisions 58.5.1 ... observed outside the Convention Area this season are also mentioned. The fish stocks in the Kerguelen and ... Crozet EEZs are now protected, as shown in the report of the POKER 2 fisheries research survey (2010 ... ). Although IUU removals in the Crozet and Kerguelen EEZ are close to zero, IUU fishing persists in the CCAMLR ...
Meeting Document : CCAMLR-XXXI/35 : Autor(es): Délégation française
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CCAMLR research and exploratory fishing: commercial fishing disguised as scientific research
Review and several Scientific Committee working groups have raised concerns regarding the current ...
Meeting Document : SC-CAMLR-XXXVII/BG/28 : Autor(es): Submitted by ASOC
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Krill population dynamics at South Georgia 1991–1997, based on data from predators and nets
biomass in the following year. Similar recruitment failure in the same years is evident in krill ... scientific nets from the same area over the summers of 1991-1997. In comparing the 5 years with both predator ... in 1991 and 1994, both years of low krill biomass at South Georgia. In both of these years large ... -group cohorts in the length-frequency distribution, we suggest that year's of high mean krill ...
Meeting Document : WS-AREA 48-98/15 : Autor(es): K. Reid, J. Watkins, J. Croxall and E. Murphy (UK)
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Amendments to the Draft Headquarters Agreement between the Government of Australia and the Commission for the Conservation of Antarctic Marine Living Resources
Author(s): Delegations of Argentina and Chile Title: Amendments to the Draft Headquarters Agreement between the Government of Australia and the Commission for the Conservation of Antarctic Marine Living Resources Approval: Approved
Meeting Document : CCAMLR-I/30 : Autor(es): Delegations of Argentina and Chile
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Interannual variations of water thermochaline structure on South Georgia Island, South Orkney Islands and Shetland Islands shelves
temperature, while in other years (1980, 1981) the layer temperature was negative. The second year type (1979 ... area of South Orkney Isls and Shetland Isls in January-February since 1970. Three types of years have ... intermediate cold layer. In some years of this type (1 97 1, 1972, 1978, 1982) the layer had positive ... between the same. Two year types were revealed in the area of South Orkney Isls. Availability of a warmed ...
Meeting Document : WG-EMM-00/34 : Autor(es): P. Chernyshkov, V. Shnar, O. Berezhinsky and I. Polischuk (Russia)
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Activity, seasonal site fidelity, and movements of Type-C killer whales between the Ross Sea, Antarctica and New Zealand
potential threats faced by, and capacity for resilience in, this top predator. Together with Weddell seals ... , TCKW have been identified as one of the two top predator species in the Ross Sea most likely to be ... risk to TCKW. New results from satellite transmitters deployed on TCKW in Terra Nova Bay suggest that ... TCKW may use small-scale areas in this highly productive ecosystem intensely for a period of days to ...
Meeting Document : WG-EMM-15/52 : Autor(es): R. Eisert (New Zealand), G. Lauriano, S. Panigada (Italy), E.N. Ovsyanikova, I.N. Visser, P.H. Ensor, R.J.C. Currey, B.R. Sharp and M.H. Pinkerton (New Zealand)