Resultados de la búsqueda
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Population and breeding of the gentoo penguin Pygoscelis papua at Marion Island, 1994/95 to 2002/03
fell by 40%, from 1994/95 to 2002/03 from 1 352 pairs to 806 pairs. Apart from a slight increase in ... 1998/99, there was a steady decrease in numbers breeding between 1995/96 and 2000/01, when the ... operating at a mesoscale, rather than those specific to particular colonies, often influenced breeding ...
Meeting Document : WG-EMM-03/16 : Autor(es): R.J.M. Crawford, J. Cooper, M. du Toit, M.D. Greyling, B. Hanise, C.L. Holness, D.G. Keith, J.L. Nel, S.L. Petersen, K. Spencer, D. Tshingana and A.C. Wolfaardt (South Africa)
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An assessment of temporal variability and interrelationships between CEMP parameters collected on Adélie penguins at Béchervaise Island
Abstract: We examined temporal variability in a series of CEMP parameters collected over the ... nest with eggs. We found a low degree of correlation between incubating and brooding nest counts which ... time they depart after egg laying would appear to be the first indication that a season may have low ...
Meeting Document : WG-EMM-02/46 : Autor(es): L.M. Emmerson, J. Clarke, K. Kerry and C. Southwell (Australia)
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On dispersion of different pelagic organisms, forming Antarctic backscattering in South Sandwich subarea during January–February 2000
backscattering. Nectonic organism distributional pattern is evidently attributed, to a greater degree, to ... species. A comparative analysis of mean stratum Sa values obtained for krill and myctophid fishes ... biomass which can be a part of alternative trophic chain in relation to krill is evidently of practical ...
Meeting Document : WG-EMM-01/61 : Autor(es): S.M. Kasatkina and A.P. Malyshko (Russia)
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Biology, distribution and abundance of Antarctic krill (Euphausia superba) and by-catch
Sampada for the study of biology, distribution and abundance. The samples were collected for a period of ... trawl. The length frequency analysis indicated a bimodel distribution with 19-20 mm and 53-54mm as the ... salps 54%, Antarctic squid 0.07%, jelly fish 0.02% and fin fishes 0.13%. Author(s): A. Anrose, Z ...
Meeting Document : WG-EMM-98/37 : Autor(es): A. Anrose, Z. Klusek, M.K.R. Nair and M. R. Bhoopendranath (India)
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Antarctic krill and climate change
Abstract: During April 2011, a multi-national group of scientists with expertise on Antarctic ... krill Euphausia superba and environmental sciences attended a workshop aiming to evaluate new knowledge ... increasing the efficiency of CEMP is fundamental for a solid science-based management of the fishery. Author ...
Meeting Document : SC-CAMLR-XXX/BG/03 : Autor(es): Delegation of the European Union
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CHINSTRAP PENGUINS: MISUNDERSTOOD AND VULNERABLE MONITORS OF ECOSYSTEM CHANGES IN THE SCOTIA SEA REGION OF ANTARCTICA
Abstract: Sea ice plays a critical role in structuring ecosystem dynamics throughout the Scotia ... area directly. A paradigm guiding recent research in the Western Antarctic Peninsula (WAP) region of ... increases and decreases in penguin abundance as a result of changes in abundance of Antarctic krill ...
Meeting Document : WG-EMM-09/17 : Autor(es): W.Z. Trivelpice, J.T. Hinke, A.K. Miller, C. Reiss, S.G. Trivelpiece and G.M. Watters (USA)
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DEPREDATION AROUND SOUTH GEORGIA AND THE IMPLICATIONS ON STOCK ASSESSMENT OF D. ELEGINOIDES
identification and give an idea of population size, a photographic catalogue of individual animals was developed ... . To date, a total of 35 killer whales and 65 sperm whales have been seen, with re-sightings occurring ... winches were engaged and when the drive on the vessel was engaged during hauling. Recordings made from a ...
Meeting Document : WG-FSA-09/16 : Autor(es): J. Moir Clark, D.A. Agnew, P. McCarthy and M. Unwin (United Kingdom)
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ECOLOGICAL REPERCUSSIONS OF HISTORICAL FISH EXTRACTION FROM THE SOUTHERN OCEAN
Abstract: A major mid-1980s shift in ecological structure of significant portions of the Southern ... solely to climate factors as previously hypothesised. Over a brief period (1969-1973), several finfish ... strong year classes, as is true of such fish elsewhere. A climate regime, the Southern Annular Mode, once ...
Meeting Document : WG-EMM-08/P07 : Autor(es): D. Ainley and L. Blight
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Marine debris surveys at Bird Island, South Georgia 1990 to 1995
. Between 1990 and 1995 beached debris was monitored at Bird Island, South Georgia. This was part of a ... %) and polythene bags (6 %) were the next commonest items. There was a substantial increase in the number ... Georgia in a parallel study. An increasing use of environmentally-aware scientific observers on all ...
Meeting Document : CCAMLR-XV/BG/05 : Autor(es): Delegation of the United Kingdom
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Comparisons in diet between diurnal and overnight foraging chinstrap penguins at Seal Island
, which were comparable with daily average energy requirements calculated for a diurnal forager (4853 kJ ... ) and an overnight forager (5732 kJ) based on available input parameters. A comparison of krill in the ... respecitve foraging areas. Author(s): Hayashi, T., Ichii, T., Cameron, M.F., Miura, A., Jansen, J.K ...
Meeting Document : WG-EMM-96/55 : Autor(es): Hayashi, T., Ichii, T., Cameron, M.F., Miura, A., Jansen, J.K., Bengtson, J.L., Boveng, P.