Resultados de la búsqueda
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The direct impact of fishing and fishery-related activities on marine life in the CCAMLR Convention Area with particular emphasis on longline fishing and its impact on albatrosses and petrels – a review
Iles Kerguelen. The fishery extended further south for a few years in the second half of the 1970' ... , in particular birds and mammals. With the exception of plastic package bands on some sub-Antarctic ... islands and in particular the impact of longlining on marine birds these effects have been minor, very ... direct impact of fishing and fishery-related activities on marine life in the CCAMLR Convention Area with ...
Meeting Document : SC-CAMLR-XIX/BG/11 : Autor(es): Delegation of Germany
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On the status of mesopelagic fish (myctophidae) in the Southern Ocean ecosystem
relationships of myctophids demonstrate that this group of mesopelagic fish plays a significant role in the ... 364 million tonnes. According to its position in the trophic system of the Southern Ocean, myctophids ... producers, in turn guaranteeing the production of organisms at higher trophic levels (certain species of ... Abstract: Analysis and synthesis of results of Russian and foreign research into the trophic ...
Meeting Document : WG-FSA-93/17 : Autor(es): A.N. Kozlov (Russia)
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A spatially explicit population dynamics operating model for Antarctic toothfish in the habitable depths of the Ross Sea region
about the distribution of toothfish in areas where no fishing has occurred, such that the unrestricted ... spatially explicit population dynamics operating model for Antarctic toothfish in the habitable depths of ... Antarctic toothfish in the Ross Sea region, for a medium scale spatial resolution (189 spatial cells ... ) covering the Ross Sea region. In this model run we spatially restrict the stock to cells where at least 5 ...
Meeting Document : WG-FSA-13/53 : Autor(es): S. Mormede, A. Dunn, S. Parker and S. Hanchet (New Zealand)
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A RE-ANALYSIS AND UPDATE OF THE ANTARCTIC KRILL BIOMASS IN THE SOUTH SHETLAND ISLANDS, THROUGH 2011
biomass in the northern Gerlache Strait, an area of just over 1100 km2, exceeded 110 g m-2 which results ... help to better inform CCAMLR about the status and trends of krill in Area 48.1 an area experiencing the ... . Cossio, C. Reiss and R. Driscoll (USA) Title: A RE-ANALYSIS AND UPDATE OF THE ANTARCTIC KRILL BIOMASS IN ... -based estimates of krill density and recruitment are recalculated for the years 1996 through 2011 ...
Meeting Document : WG-EMM-11/26 : Autor(es): A. Cossio, C. Reiss and R. Driscoll (USA)
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A quantified Bayesian maximum entropy estimate of Antarctic krill abundance across the Scotia Sea and in small-scale management units from the 2000 CCAMLR survey
Bayesian framework also allows an intrinsic calculation of the error in any resulting density estimate ... ) were calculated for all 1,726,332 pixels in the reconstructed area. The MaxEnt maps of the density ... of krill in each of the SSMUs was: Antarctic Peninsula Pelagic Area (APPA) 65.192 Mt; Antarctic ... quantified Bayesian maximum entropy estimate of Antarctic krill abundance across the Scotia Sea and in small ...
Meeting Document : WG-EMM-05/42 : Autor(es): B.G. Heywood, S.F. Gull and A.S. Brierley (United Kingdom)
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Analysis of gear loss by fishing vessels in the CCAMLR Convention Area as contribution to the marine debris program
Abstract: CCAMLR has monitored marine debris in the Convention Area since the establishment of ... the marine debris program in 1989. In 2017, WG-FSA recommended that lost fishing gear reported from ... vessels be included in annual updates on marine debris. Rates of hook loss in longline fisheries revealed ... a significant variation in the reporting rates between CCAMLR fisheries. When gear was reported lost ...
Meeting Document : WG-FSA-18/17 : Autor(es): CCAMLR Secretariat
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The krill maturity cycle: a conceptual description of the seasonal cycle in Antarctic krill
Abstract: A long term study on the maturity cycle of Antarctic krill was conducted in a research ... there were differences in length of the cycle and intermoult periods between the experimental conditions ... description of the seasonal cycle in Antarctic krill Approval: Approved ... temperature and food conditions, and the succession of female maturity stages and intermoult periods were ...
Meeting Document : WG-EMM-06/23 : Autor(es): S. Kawaguchi, T. Yoshida, L. Finley, P. Cramp and S. Nicol (Australia)
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Preliminary acoustic results from the New Zealand IPY-CAML survey of the Ross Sea region in February-March 2008
Ross Sea region in support of the International Polar Year Census of Antarctic Marine Life (IPY-CAML ... antarcticum). Silverfish are a key link between plankton and the community of top predators in the shelf ... estimates of acoustic biomass of silverfish in the Ross Sea based on this TS-length relationship were ... survey of the Ross Sea region in February-March 2008 Approval: Approved ...
Meeting Document : SG-ASAM-09/05 : Autor(es): R. O’Driscoll, G. Macaulay, S. Gauthier, M. Pinkerton and S. Hanchet (New Zealand)
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Interannual variation in the diet of the Antarctic prion Pachyptila desolata at South Georgia
. Differences in the prey species taken and observations of foraging behaviour suggest that in years of low ... , J.P., Edwards, T.M., Reid, K. Title: Interannual variation in the diet of the Antarctic prion ... Abstract: The diet of the Antarctic Prion Pachyptila desolata was examined using food samples ... regurgitated by adult birds during five breeding seasons at Bird Island, South Georgia. In all years the diet ...
Meeting Document : WG-EMM-97/12 : Autor(es): Croxall, J.P., Edwards, T.M., Reid, K.
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Progress report for the third year of the research fishery for Dissostichus spp. in Subarea 48.6 being jointly undertaken by Japan and South Africa: 2013–2015.
participated in the research project in each of the three fishing seasons and the progress achieved during the ... the southern half of Subarea 48.6 already in the current season, more than total number for all ... : Progress report for the third year of the research fishery for Dissostichus spp. in Subarea 48.6 being ... previous seasons. To date for the first three years of the research project biological data have been ...
Meeting Document : WG-SAM-15/50 : Autor(es): R.W. Leslie (South Africa), K. Taki, T. Ichii (Japan) and S. Somhlaba (South Africa)