Resultados de la búsqueda
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Preliminary results from the International Synoptic Krill Survey in Area 48, 2019
stations. Acoustic transects and trawling were carried out as per survey procedures developed in 2018 ... August 2018. Author(s): G. Macaulay, G. Skaret, T. Knutsen, O.A. Bergstad, B. Krafft, S. Fielding, S.G ... Document Release Consent: No Delegation responsibility for releasing documents: Norway ...
Meeting Document : WG-EMM-2019/47 : Autor(es): G. Macaulay, G. Skaret, T. Knutsen, O.A. Bergstad, B. Krafft, S. Fielding, S.G. Choi, S. Chung, K. Demianenko, V. Podhornyi, K. Vishnyakova, L. Pshenichnov, A. Chuklin, A. Shishman and M.J. Cox
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A CHARACTERISATION OF THE TOOTHFISH FISHERY IN SUBAREAS 88.1 AND 88.2 FROM 1997–98 TO 2007–08
eleven years in Subarea 88.1 and for six years in Subarea 88.2. This report summarises the large amount ... 2001), these year classes are not seen in large numbers in later years in the fishery. So at this stage ... there is no evidence for strong variation in year class strength in the fishery. Author(s): M.L ... Abstract: The exploratory fishery for Antarctic toothfish (D. mawsoni) has been operating for ...
Meeting Document : WG-FSA-08/22 : Autor(es): M.L. Stevenson, S.M. Hanchet and A. Dunn (New Zealand)
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A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997/98 to 2011/12
Abstract: The exploratory fishery for Dissostichus spp. has now been operating for 16 years in ... Subarea 88.1 and for 10 years in Subarea 88.2. This report summarises the timing, depth, and location of ... fishing together with the catch of Dissostichus spp. and bycatch species by year for the period 1997–98 to ... strong year classes. We conclude that there is no evidence for substantial changes in population ...
Meeting Document : WG-FSA-12/42 : Autor(es): M.L. Stevenson ,S.M. Hanchet, S. Mormede and A. Dunn (New Zealand)
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Summary of monitoring and research effort and preliminary results from the 2019 Scotia Sea krill monitoring survey with FV Cabo de Hornos
of the large scale survey area were visited, and about 80 % of the coverage planned for the vessel ... separate manuscript, 68 trawl stations for biological sampling with associated CTD casts were carried out ... Consent: No Delegation responsibility for releasing documents: Norway ...
Meeting Document : WG-EMM-2019/46 : Autor(es): G. Skaret, M. Martinussen, G. McCallum, R. Pedersen, J. Rønning, A.L. Donoso, O.A. Bergstad and B.A. Krafft
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Migrations of Antarctic fish Pseudochaenichthys georgianus Norman, 1939 in the Scotia Sea
by ice cover species are distributed into age groups separated geographically: first age group as was ... ; age 2 with 3 are in the South Shetlands; age 4+ are accumulating at South Orkney. While on shelf of ... strong – week cohorts: age group of 4 is separated from the 2th by low numbers fish in previous age group ...
Meeting Document : WG-FSA-12/68 Rev. 1 : Autor(es): R. Traczyk (Poland)
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Seabird research at Cape Shirreff, Livingston Island, Antarctica, 2003–2004
previous season, but lower than the average for the past seven years. Gentoo fledging success in 2003-04 ... eight-year mean for this parameter. Total chick meal mass was larger in both species compared to the ... decline over the past five years, and is at its lowest size in the past seven years of study. While the ... seven years. Chinstrap fledging success was higher during the 2003-04 breeding season than in the ...
Meeting Document : WG-EMM-04/5 : Autor(es): M. Antolos, A.K. Miller and W.Z. Trivelpiece (USA)
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Southern right whale (Eubalaena australis) reproductive success is influenced by krill (Euphausia superba) density and climate
) availability for the species. Therefore, increased frequency of years with reduced krill abundance, due to ... correlations were found with krill densities (r = 0.69, p = 0.002, lag 0 years), Oceanic Niño Index (r = −0.65 ... , p = 0.03, lag 6 years), Antarctic Oscillation (r = 0.76, p = 0.01, lag 7 years) and Antarctic sea ... ice area (r = −0.68, p = 0.002, lag 0 years). Our results suggest that global climate indices ...
Meeting Document : WG-EMM-16/P06 : Autor(es): E. Seyboth, K.R. Groch, L. Dalla Rosa, K. Reid, P.A.C. Flores and E.R. Secchi
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Sexing fledglings and yearlings of magellanic penguins by discriminant analysis of morphometric measurements.
(body) length and bill depth were the most useful variables for discriminating between age classes ... , were invariably bigger than fledglings. For distinguishing the sexes among yearlings, bill depth and ...
Meeting Document : WG-CEMP-90/42 : Autor(es): J.A. Scolaro (Argentina)
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CCAMLR process of risk assessment to minimise the effects of longline fishing mortality on seabirds
Abstract: We describe the process used in the fisheries management system of the Convention for ... system of management among the RFMOS covered in this review, and has made the most demonstrable progress ... measures, extensive monitoring by independent observers, annual expert review of seabird bycatch rates and ...
Meeting Document : WG-FSA-07/P2 : Autor(es): S.M. Waugh, G.B. Baker, R. Gales and J.P. Croxall (Mar. Pol., in press)
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A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997/98 to 2006/07
years in Subarea 88.1 and for five years in Subarea 88.2. This report summarises the large amount of ... management of the SSRUs within the two subareas was changed for the 2006 season as part of a 3-year ... Shelf in 1999 and 2001), these year classes are not seen in large numbers in later years in the fishery ... . So at this stage there is no evidence for strong variation in year class strength in the fishery ...
Meeting Document : WG-FSA-07/28 : Autor(es): S.M. Hanchet, M.L. Stevenson and A. Dunn (New Zealand)