Resultados de la búsqueda
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Variability in krill length distribution in 48.1 derived from data collected by scientific observers
Abstract: Information on the length distribution of krill in the catch, and the spatial and ... temporal patterns of krill length in the population is essential to assess krill population status and ... generalised additive mixed models (GAMM) to evaluate the spatial and temporal patterns of length in Antarctic ... Subarea 48.1 needs to be modified in order to gain a comprehensive understanding of the temporal and ...
Meeting Document : WG-EMM-15/16 : Autor(es): P. Ziegler, S. Kawaguchi D. Welsford and A. Constable (Australia)
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Trends in mean lengths and selectivities for Dissostichus eleginoides taken by longliners in Subarea 48.3
Abstract: At its last meeting, WG-FSA noted a declining trend in the mean lengths of toothfish ... . Taking depth and area into account there is less of an apparent decline in mean length over the period ... . The combined effects of these findings were examined in a set of preliminary analyses of length ... likely that historical changes over years in the depth distribution of effort have led to different ...
Meeting Document : WG-FSA-01/48 : Autor(es): G.P. Kirkwood and D.J. Agnew (United Kingdom)
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Krill biomass and distribution variability in Subarea 48.3 in June 1991
transport by the current. Besides, in the upper layer of 0-50 m the swarm number was a almost constant, and ... krill redistribution due to transport and diurnal migrations occurred in the layer of 5-150 m. Estimated ... Abstract: Temporal and spatial variability of krill distribution features was investigated at the ... survey. Horizontal extension of swarms amounted to 120 m, however about 70% of swarms were of 30 m in ...
Meeting Document : WG-CEMP-92/35 : Autor(es): S.M. Kasatkina, E.I. Timokhin, P.P. Fedulov and K.E. Shulgovskiy (Russian Federation)
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Korean research plan in Divisions 58.4.1 and 58.4.2 in 2016/17
Abstract: Most things related to Dissostichus spp. in the eastern side of Antarctic Ocean has not ... sizes were vulnerable with a big range of about 1,000-2,000 t per SSRU in 58.4.1. During the 2004-2015 ... more recapture. The food-web of Dissostichus spp. has started to be studied in the southern Ross Sea ... ): Delegation of the Republic of Korea Title: Korean research plan in Divisions 58.4.1 and 58.4.2 in 2016/17 ...
Meeting Document : WG-SAM-16/17 : Autor(es): Delegation of the Republic of Korea
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Revised reports on abundance and biological information on toothfish in Divisions 58.4.4 a and 58.4.4b by Shinsei maru No. 3 in 2011/12
28.3 tonnes in the survey area in 70 longline sets. Mean CPUEs of D. eleginoides was 48.3 kg / km (CV ... = 79.1%) in terms of weight. The mean CPUE in terms of weight in SSRU B (32.1 kg / km) was rather lower ... than that (50.5 kg / km) in the same SSRU in 2010/11. A total of 172 individuals of toothfish with good ... hauls. All of whales occurred in SSRU B. The vessel tried to avoid killer whales as in the previous ...
Meeting Document : WG-FSA-12/57 : Autor(es): K. Taki, T. Iwami, M. Kiyota and T. Ichii (Japan)
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Temporal variability in Adélie penguin CEMP parameters and their response to changes in prey availability
the duration of early and late stage foraging trips. For example, low breeding success was recorded in ... period and heavy fledglings. These results may indicate changes in the relative level of resource ... curve). Our results highlight the importance of taking into account the changing behaviours of birds in ... the context of life history requirements, changes in prey accessibility as well as any temporal ...
Meeting Document : WG-EMM-12/22 : Autor(es): L. Emmerson and C. Southwell (Australia)
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Temporal variability in Adélie penguin CEMP parameters and their response to changes in prey availability
the duration of early and late stage foraging trips. For example, low breeding success was recorded in ... period and heavy fledglings. These results may indicate changes in the relative level of resource ... curve). Our results highlight the importance of taking into account the changing behaviours of birds in ... the context of life history requirements, changes in prey accessibility as well as any temporal ...
Meeting Document : WG-EMM-12/48 : Autor(es): L. Emmerson and C. Southwell (Australia)
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Korean research plan in Subarea 88.3 in 2016/17
to directed fishing following the results of a Chilean survey activities in 1998 (SC-CCAMLR-XVII/BG/7 ... results in an assessment of a stock in 3-4 years time (SC-CAMLR XXVIII, paragraphs 4.165). During the 2015 ... /16 season the Korean flagged vessel, Greenstar, conducted 1 st year research in this area. Total of ... 88.3 she did not find any recaptures of previous surveys. In second research year, the Greenstar is ...
Meeting Document : WG-SAM-16/11 : Autor(es): Delegation of the Republic of Korea
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Krill biomass and density distribution in February–March 2002 in Subarea 48.3
feeding on krill in the area of the South Georgia western extremity where main feeding grounds serving ... Abstract: Presented are the results of krill acoustic survey carried out by Russian RV Atlantida ... February 14 to March 5, 2002. Average krill density in the survey area was estimated at 45.45 g/m2 and ... total biomass at 1,898,492 ton. The analysis of krill aggregation distribution was made for ...
Meeting Document : WG-EMM-03/30 : Autor(es): S.M. Kasatkina and A.P. Malyshko (Russia)
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Preliminary results from a krill net sampling survey in CCAMLR Area 48.1 in 1989/90 season
occurred NE and SE of Elephant Island, north of the South Shetland Islands, in the central Bransfield ... estimated stock biomass of 950,000 tonnes. The zooplankton, however, was dominated by salps in the entire ... were detected north of the South Shetland Islands. No spawning occurred in the Bransfield Strait and in ... Strait and in the SW shelf waters. Mean biomass was 10.1 tonnes per nautical square mile, i.e. an ...
Meeting Document : SC-CAMLR-IX/BG/09 Rev. 1 : Autor(es): Delegation of EEC