Resultados de la búsqueda
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DRAFT SOFTWARE USER GUIDE FOR: ICESCAPE: INTEGRATING COUNT EFFORT BY SEASONALLY CORRECTING ANIMAL POPULATION ESTIMATES
in the R language for statistical computing (R Development Core Team 2008), aims to adjust raw count ... data for availability and perception bias, and account for sampling fractions less than unity, in order ... conditions. In Antarctica, adjustment for availability is particularly important, because difficulties in ... accessing breeding sites often lead to counts of land-breeding predators being taken at suboptimal times in ...
Meeting Document : WG-SAM-09/16 : Autor(es): J. McKinlay, C. Southwell and R. Trebilco (Australia)
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Histopathology of Antarctic krill, Euphausia superba, bearing black spots
superba, since January, 2001. To study the nature of the black spots, the krill were sampled in the winter ... of 2003, 2006, and 2007 in the South Georgia region, the Antarctic Ocean. Histological observations ... bacteria or amorphous material. In the 2007 samples, 42% of the krill had melanized nodules. Most of the ... genes. More than three bacterial species or strains were also confirmed by in situ hybridization for 16S ...
Meeting Document : WG-EMM-08/P09 : Autor(es): S. Miwa, T. Kamaishi, T. Matsuyama, T. Hayashi and M. Naganobu
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UPDATED BIOLOGICAL PARAMETERS FOR THE ANTARCTIC STARRY SKATE, AMBLYRAJA GEORGIANA, FROM THE ROSS SEA
Abstract: Photographs of skates taken by observers on New Zealand toothfish longliners in the ... examined in the laboratory. There was no significant difference between the median length at maturity for ... of these were returned in good condition and were considered likely to survive. Estimates of the ... proportion released in good condition are in the range 50–80%, depending on assumptions about whether skates ...
Meeting Document : WG-FSA-08/20 : Autor(es): M.P. Francis and S. Mormede (New Zealand)
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Important aspects of prey distribution for the formation of foraging areas of chinstrap penguins and Antarctic fur seals at Seal Island
. Chinstrap penguins foraged in two modes during chick-brooding period: daytime foraging chinstrap penguins ... foraged in the inshore region, while overnight foraging penguins foraged in the slope region. It was ... difficulty in perceiving prey at night. Antarctic fur seals foraged mostly in the slope/offshore region ... during pup-rearing period. It was suggested that important factors may be mainly 4) and 6). In conclusion ...
Meeting Document : WG-EMM-97/28 : Autor(es): Bengtson, J.L., Hiruki, L.M., Naganobu, M., Ichii, T., Meyer, W.R., Cameron, M.F., Boveng, P., Takao, T., Miura, A., Jansen, J.K., Kawaguchi, S., Hayashi, T.
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A tale of two islands: contrasting fortunes for sub-Antarctic skuas at the Prince Edward Islands
at the Prince Edward Islands was conducted during December 2008, repeating a previous survey in ... supported twice as many non-breeding birds. Burrowing petrels comprised 96% of prey in skua middens at ... coverage in 2008, whereas the number of skua nests on Marion Island was barely half that counted in 2001 ... , continuing an apparent decrease in this species at Marion Island since the 1980s. There is no evidence that ...
Meeting Document : WG-EMM-10/P03 : Autor(es): P.G. Ryan, P.A. Whittington and R.J.M. Crawford
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Sistema de inspección de la CCRVMA
To ensure vessels fishing in the Convention Area comply with conservation measures, CCAMLR ... implements a System of Inspection. CCAMLR’s System of Inspection was established in 1989 to support the ... inspections In accordance with Conservation Measure 10-03 Contracting Parties are required to inspect all ... carrying other Antarctic species harvested in the Convention Area. Inspections are undertaken to ensure ...
Page : Site Section: Compliance
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Using stationary acoustic platforms to assess precision and accuracy of acoustical krill surveys
Abstract: The current CCAMLR protocol specifies daytime acoustic sampling in order to avoid ... issues of diel changes in acoustic scattering strengths. However, due to logistic constraints, acoustic ... a regular basis deployed stationary platforms in the main area for commercial krill harvesting at ... the South Orkney Islands since 2014, and in this report some of these data have been analysed in order ...
Meeting Document : WG-EMM-2019/32 : Autor(es): T. Klevjer, G. Skaret and B.A. Krafft
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CCAMLR Statistical Bulletin, Vol. 30
volume in MS Access database format. The Bulletin contains the complete time series of catch and effort ... statistics and trade statistics, as well as the catch histories of selected species and the seabed areas in ... the CCAMLR fishery webpages. The data structure in these tables is the same as that used for the csv ... data files, and documentation is included in the zip file. To access the Statistical Bulletin, please ... all fisheries in CCAMLR’s Convention Area · Catch histories for selected fishery target species ... ) · Planimetric seabed areas by selected depth intervals in the Convention Area. The catch history of krill ... (Euphausia superba) by month and small-scale management unit (SSMU) was added to the Statistical Bulletin in ... 2017 (see below). In addition, the boundary between Subareas 58.6 and 58.7 was revised in 2016 (CCAMLR ...
Document : Site Section: Data
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CCAMLR Statistical Bulletin, Vol. 29
volume in MS Access database format. The Bulletin contains the complete time series of catch and effort ... statistics and trade statistics, as well as the catch histories of selected species and the seabed areas in ... the CCAMLR fishery webpages. The data structure in these tables is the same as that used for the csv ... data files, and documentation is included in the zip file. To access the Statistical Bulletin, please ... fisheries in CCAMLR’s Convention Area · Catch histories for selected fishery target species · Trade ... seabed areas by selected depth intervals in the Convention Area. *NEW in 2017* The catch history of ... Bulletin (see below). In addition, the boundary between Subareas 58.6 and 58.7 was revised in 2016 (CCAMLR ... Area. Catches of target species and by-catch taxa are reported as green weight in metric tonnes ...
Document : Site Section: Data
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CCAMLR Statistical Bulletin, Vol. 31
volume in MS Access database format. The Bulletin contains the complete time series of catch and effort ... statistics and trade statistics, as well as the catch histories of selected species and the seabed areas in ... the CCAMLR fishery webpages. The data structure in these tables is the same as that used for the csv ... data files, and documentation is included in the zip file. To access the Statistical Bulletin, please ... all fisheries in CCAMLR’s Convention Area · Catch histories for selected fishery target species ... ) · Planimetric seabed areas by selected depth intervals in the Convention Area. The catch history of krill ... (Euphausia superba) by month and small-scale management unit (SSMU) was added to the Statistical Bulletin in ... 2017 (see below). In addition, the boundary between Subareas 58.6 and 58.7 was revised in 2016 (CCAMLR ...
Document : Site Section: Data