Search results
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A first step towards modelling the krill–predator dynamics of the Antarctic ecosystem
. The objective of the study is to determine whether predator–prey interactions alone can broadly explain observed ... are that: (i) species interaction effects alone can explain observed predator abundance trends, though not without some ... is to determine whether predator–prey interactions alone can broadly explain observed population trends ... further areas for investigation. Amongst the key inferences of the study are that: (i) species interaction ... . The objective of the study is to determine whether predator–prey interactions alone can broadly explain ... are that: (i) species interaction effects alone can explain observed predator abundance trends, though not without some ... , les interactions prédateurs–proies peuvent expliquer les tendances des populations observées sans que ... : i) les effets de l’interaction des espèces peuvent suffire à expliquer les tendances observées, mais ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 217–277 : Author(s): Mori, M. and D.S. Butterworth
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Sea-surface temperature and krill catches around South Georgia in December–February 1989–1991 and 1999–2001
1989–1991 and 1999–2001 Abstract / Description: Monitoring of sea-surface temperatures (SSTs ... to 39 766 tonnes in 2000/01. The SST maps for 1999–2001 showed a prominent advection of Weddell Sea ... and 1999–2001 ... to 39 766 tonnes in 2000/01. The SST maps for 1999–2001 showed a prominent advection of Weddell ... –FEBRUARY 1989–1991 AND 1999–2001 G.P. Vanyushin VNIRO, 17a V. Krasnoselskaya Moscow 107140, Russia Email ... . However, it dropped to 39 766 tonnes in 2000/01. The SST maps for 1999–2001 showed a prominent ... est tombée à 39 766 tonnes en SHORT NOTE Vanyushin 166 2000/01. Les cartes de SST de 1999–2001 ... г. Карты ТПМ за 1999–2001 гг. показывают заметную адвекцию вод моря Уэдделла к северо-западу от Южной ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 165–174 : Author(s): Vanyushin, G.P
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Maximum entropy reconstructions of krill distribution and estimates of krill density from acoustic surveys at South Georgia, 1996–2000
influencing krill distribution, and hence krill/predator interactions. The MaxEnt technique also yields mean ... the understanding of mechanisms influencing krill distribution, and hence krill/predator interactions. The MaxEnt ... , and hence krill/predator interactions. The MaxEnt technique also yields mean krill densities for each ... , les interactions krill/prédateurs. La technique de MaxEnt fournit de plus, pour chaque campagne, des ... providing more information on spatial relationships between swarms (Kalikhman, 2001). Halving ... . J. Fish. Aquat. Sci., 47: 1282–1291. Kalikhman, I. 2001. Patchy distribution fi elds: sampling ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 91–100 : Author(s): Wafy, M.H., A.S. Brierley, S.F. Gull and J.L. Watkins
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Seabird interactions with longlining operations for Dissostichus eleginoides around South Georgia, April to May 1994
Paper Title: Seabird interactions with longlining operations for Dissostichus eleginoides around ... eleginoides off South Georgia were assessed for incidental mortality and interactions with seabirds. Twenty ... birds/1 000 hooks. Mortality and interactions of birds with operations varied with site and time of day ... , and was affected by behavioural interactions between birds. Setting only at night would dramatically reduce ... INTERACTIONS WITH LONGLINING OPERATIONS FOR DISSOSTZCHUS ELEGINOIDES AROUND SOUTH GEORGIA, APRIL TO MAY 1994 ... for incidental mortality and interactions with seabirds. Twenty-seven line sets were observed and 98 deaths ... hooks. Mortality and interact~ons of birds with operations varied with site and time of day ... , and was affected by behavioural interactions between birds. Setting only at night would dramatically reduce ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 111–121 : Author(s): Ashford, J.R., J.P. Croxall, P.S. Rubilar and C.A. Moreno
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Seabird interactions with longlining operations for Dissostichus eleginoides at the South Sandwich Islands and South Georgia
Paper Title: Seabird interactions with longlining operations for Dissostichus eleginoides ... the South Sandwich Islands, actual and potential interactions with seabirds were assessed. Bird numbers ... Seabird interactions with longlining operations for Dissostichus eleginoides at the South Sandwich ... the toothfish Dissostichus eleginoides around the South Sandwich Islands, actual and potential interactions ... CCAMLR Science, Vol. 1: 143-153 SEABIRD INTERACTIONS ... the South Sandwich Islands, actual and potential interactions with seabirds were assessed. Bird numbers ... of albatrosses. Resume Les interactions reelles et potentielles des oiseaux de mer et des operations de p@che ... Interactions with Longlining regulates this fishery, notes and welcomes the invitation from Chile for one ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 143–153 : Author(s): Ashford, J.R., J.P. Croxall, P.S. Rubilar and C.A. Moreno
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Seabird interactions with trawl and longline fisheries for Dissostichus eleginoides and Champsocephalus gunnari
Paper Title: Seabird interactions with trawl and longline fisheries for Dissostichus eleginoides ... Seabird interactions with trawl and longline fisheries for Dissostichus eleginoides ... INTERACTIONS WITH TRAWL AND LONGLINE FISHERIES FOR DISSOSTICHUS ELEGINOIDES AND CHAMPSOCEPHAL US GUNNARI ... iques a r e somewhat different f rom those used a t South Georgia. The interaction of seabirds ... ) is well established targetted: Seabird Interactions with Trawl and Longline Fisheries three 54-metre ... , but this was shorter because the net, with its heavy ground gear, sank quickly. The major interaction came when ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 93–99 : Author(s): Williams, R. and D. Capdeville
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The foraging range of Adélie penguins – implications for CEMP and interactions with the krill fishery
Paper Title: The foraging range of Adélie penguins – implications for CEMP and interactions ... The foraging range of Adélie penguins – implications for CEMP and interactions with the krill ... OF ADELIE PENGUINS - IMPLICATIONS FOR CEMP AND INTERACTIONS WITH THE KRILL FISHERY K.R. Kerry, J.R ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 75–87 : Author(s): Kerry, K.R., J.R. Clarke, S. Eberhard, H. Gardner, R.M. Lawless, S. Corsolini, S. Focardi, E. Franchi, D. Rodary and R. Thomson
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Intra-annual variability in the density of Antarctic krill (Euphausia superba) at South Georgia, 2002–2005: within-year variation provides a new framework for interpreting previous ‘annual’ estimates of krill density
and Brierley, 2001). It has been shown previously (Reid and Brierley, 2001) that sizes of krill in predator ... for a calibrated echo sounder, and issues with identifying echoes from target organisms in single-frequency ... may occur against the predominately low winter signal (e.g. July–August in 2005) (Figure ... Georgia may well be complex, and involve a number of biological and physical interactions operating ...
Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 27–41 : Author(s): Saunders, R.A., A.S. Brierley, J.L. Watkins, K. Reid, E.J. Murphy, P. Enderlein and D.G. Bone
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A statistical method for estimating the level of IUU fishing: application to CCAMLR Subarea 48.3
respectively for birds. Despite continuing high levels of FPV coverage from 2001 to 2004, no further IUU ... activity has been detected, leading to estimates of zero fish and bird catches for the years 2001/02, 2002 ... from 2001 to 2004, no further IUU activity has been detected, leading to estimates of zero fish ... and bird catches for the years 2001/02, 2002/03 and 2003/04. ... continuing high levels of FPV coverage from 2001 to 2004, no further IUU activity has been detected, leading ... to estimates of zero fi sh and bird catches for the years 2001/02, 2002/03 and 2003/04. Résumé Ce document ... surveillance de 2001 à 2004, aucune autre activité IUU n’a été détectée, entraînant des estimations nulles de ... capture de poisson et d’oiseaux pour les années 2001/02, 2002/03 et 2003/04. Резюме В данной статье ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 119–141 : Author(s): Agnew, D.J. and G.P. Kirkwood
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Effects of weather and sea-ice on the reproductive performance of the Adélie penguin at Edmonson Point, Ross Sea
adeliae) was studied at Edmonson Point, Victoria Land, during the 1999, 2001 and 2003 breeding seasons ... significantly longer than in 1999 and 2001, which in turn delayed the mean departure date of males on the second ... recorded in 1999 and 2001. The average weight of adults rearing chicks was lower in 2003. It is suggested ... Point, Victoria Land, during the 1999, 2001 and 2003 breeding seasons. Weather and sea-ice regimes ... Point, Victoria Land, during the 1999, 2001 and 2003 breeding seasons. Weather and sea-ice regimes ... than in 1999 and 2001, which in turn delayed the mean departure date of males on the second incubation ... recorded in 1999 and 2001. The average weight of adults rearing chicks was lower in 2003. It is suggested ... Edmonson, en Terre Victoria, pendant les saisons de reproduction de 1999, 2001 et 2003. Les conditions ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 99–109 : Author(s): Olmastroni, S., F. Pezzo, V. Volpi and S. Focardi