Resultados de la búsqueda
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Spatial patterns of temporal relationships in the Southern Ocean
Abstract: Phytoplankton production during the austral summer in the Southern Ocean is known to be ... modelled variables and show that this covariance in time between the mixed layer depth (MLD), sea surface ... . Statistically significant spatial patterns in the covariance between MLD, SST and Chl-a show that the physical ... factors controlling phytoplankton production in the Southern Ocean change in a predictable manner. Well ...
Meeting Document : WS-BSO-07/5 : Autor(es): M. Kahru and B.G. Mitchell (USA)
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Some characteristics of krill transport in the Scotia Sea based on the Russian survey data
Abstract: In this work the characteristics of krill transport across the SSMUs determined on the ... basis of long-term Russian research in Area 48 are considered. Estimates of mean current velocities ... based on the long-term data from 3012 stations and respective time intervals when the water mass in the ... study area was totally replaced are presented. It is shown that in SSMUs the multiple total replacement ...
Meeting Document : WG-EMM-05/41 : Autor(es): S.M. Kasatkina, V.N. Shnar and O.V. Berezhinsky (Russia)
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An unmanned aerial vehicle as a platform for aerial photography of land-based predator populations in Antarctica: specifications and suitability of the Aerosonde Mark III
land-based predators in Antarctica. Such surveys are likely to rely heavily on recent technological ... developments, such as satellites and unmanned aerial vehicles (UAVs), which may allow cost-effective survey in ... one such UAV, the ‘Aerosonde’, which is manufactured by Aerosonde™ in Melbourne, Australia. The ... advantages in this role would be long-distance capability and low noise levels. Its disadvantages include ...
Meeting Document : WG-EMM-03/50 : Autor(es): L. Irvine and C. Southwell (Australia)
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Biological features of the icefish Champsocephalus gunnari from commercial catches in Subarea 48.3 during the period from 8 December 1999 until 31 January 2000
Abstract: In the period from 11 December 1999 to 31 January 2000 Russian trawler "Zakhar ... Sorokin" carried out fishing the icefish Champsocephalus gunnari feeding consent rations in the ... western shelf of the South Georgia Island. Icefish 26-40 cm in length, with the average size of 30.3 cm ... /female ratio, on the average, equalled to 1/1.2. The active process of gonad maturation, more rapid in ...
Meeting Document : WG-FSA-00/20 : Autor(es): V.L. Senioukov (Russia)
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Analysis of krill trawling positions in the area north of the South Shetland Islands (Antarctic Peninsula area) from 1980/81 to 1998/99
Abstract: Positions of commercial krill operation for 1980/81 season to 1998/99 season in the ... latitudes where operations were undertaken. Operations tended take place in the north in early 1980s, but ... from mid-1980 onwards, they tended to happen in the south, with exceptions of 1994/95 and 1995/96 ... seasons. Predicted latitudes of operation significantly correlated with Salp densities in the Elephant ...
Meeting Document : WG-EMM-00/58 : Autor(es): S. Kawaguchi (Japan)
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Krill distribution related to water structure and dynamics on the South Georgia shelf in January 2000 (AtlantNIRO-BAS Core Programme 1999/2000)
distribution were carried out in two standard boxes on the shelf and slope northwest and northeast of South ... Georgia. Eight hydroacoustic transects with hydrographic stations and RMT8+1 trawls were carried out in ... apparent. In the western box krill density was nearly 0.2 glm3 and in the eastern box was 1.8- 4.7 glm3 ... • Juvenile krill of 30-36 mm length were observed in the shelf zone and larger specimens, including spawning ...
Meeting Document : WG-EMM-00/51 : Autor(es): V.A. Sushin (Russia), P.P. Chernyshkov (Russia), F.F. Litvinov (Russia), J.L. Watkins (United Kingdom) and A.S. Brierley (United Kingdom)
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Off the hook? Initiatives to reduce seabird by-catch in longline fisheries
Abstract: The recent history of global initiatives to reduce seabird by-catch in longline ... fisheries are reviewed, highlighting in turn the activities of environmental and industry non-governmental ... , especially albatrosses and petrels, are affected, with unsustainable mortality rates in a number leading to ... population decreases. An International Plan of Action for Reducing Incidental Catch of Seabirds in Longline ...
Meeting Document : WG-FSA-99/6 : Autor(es): J. Cooper (South Africa), J.P. Croxall (United Kingdom) and K.S. Rivera (USA)
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THE USE OF TRADE RELATED MEASURES IN FISHERIES MANAGEMENT
shown that trade-related measures have a role to play in improving catch estimates and addressing IUU ... join RFBs and/or to co-operate in the implementation of the conservation and management measures of ... RFBs. In recent years UNGA resolutions on sustainable fisheries urged “States, individually and through ... market-related measures in accordance with international law, including principles rights and obligations ...
Meeting Document : CCAMLR-XXVII/BG/37 : Autor(es): Submitted by IUCN
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Entanglement of Antarctic fur seals (Arctocephalus gazella) in man-made debris at Bird Island, South Georgia, during the 1996 winter and 1996/97 pup-rearing season
Georgia for the sixth consecutive winter (1996) and eighth consecutive summer (1996/97) are reported. In ... winter 17 seals were observed entangled, double the number in 1995 and the third highest total so far. As ... entangling materials, with the abundance of string and fishing net reversed from most previous years. In ... proportion of entanglements in synthetic string (41 %) was much greater than in recent years, with fishing ...
Meeting Document : SC-CAMLR-XVI/BG/06 : Autor(es): Delegation of the United Kingdom
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Interannual variation in the diet of the Antarctic prion Pachyptila desolata at South Georgia
regurgitated by adult birds during five breeding seasons at Bird Island, South Georgia. In all years the diet ... . Antarctic krill Euphausia superba was the dominant prey item in three years and was replaced by calanoid ... copepods, especially Rhincalanus gigas and Calanoides acutus, in two years of low krill abundance ... . Differences in the prey species taken and observations of foraging behaviour suggest that in years of low ...
Meeting Document : WG-EMM-97/12 : Autor(es): Croxall, J.P., Edwards, T.M., Reid, K.