Search results
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Food consumption by predators in CCAMLR Integrated Study Regions
. Prey categories are readily modifiable to sub-divide krill into sexes and maturity stages ... and foraging ranges, it is possible to make realistic estimates of krill consumption of penguins and fur seals ... . Prey categories are readily modifiable to sub-divide krill into sexes and maturity stages ... and foraging ranges, it is possible to make realistic estimates of krill consumption of penguins and fur seals ...
Meeting Document : SC-CAMLR-IX/BG/16 : Author(s): Delegation of United Kingdom
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Identifying areas for monitoring studies
to the recent fishing activity in the area and the absence of krill abundance estimates to assess the potential ... impact of this removal on the local krill supply (para. 2.98, EMM Report 2013). This paper provides ... , mainly due to the recent fishing activity in the area and the absence of krill abundance estimates ... to assess the potential impact of this removal on the local krill supply (para. 2.98, EMM Report 2013 ...
Meeting Document : WG-EMM-14/61 Rev. 1 : Author(s): J. Arata and F. Baeza (Chile)
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Interannual hydroclimate fluctuations of the Atlantic part of the Antarctic since 1970 to 2000
which, in turn, provoked variations in hydrodynamic conditions of krill habitat within insular areas ... . Small number of krill aggregations near South Georgia Island in January-February 2000 may serve ... which, in turn, provoked variations in hydrodynamic conditions of krill habitat within insular areas ... . Small number of krill aggregations near South Georgia Island in January-February 2000 may serve ...
Meeting Document : WG-EMM-00/35 : Author(s): G. Chernega, I. Polischuk and P. Chernyshkov (Russia)
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STRONG EFFECTS OF ENVIRONMENTAL CONDITIONS ON REPRODUCTIVE SUCCESS OF PENGUINS AT KING GEORGE ISLAND
of reproductive success in all species. Biological variables measured during the chick-rearing phase, like krill ... size, krill density at sea, and chlorophyll a concentrations appear less important, except ... of reproductive success in all species. Biological variables measured during the chick-rearing phase, like krill ... size, krill density at sea, and chlorophyll a concentrations appear less important, except ...
Meeting Document : WG-EMM-09/43 : Author(s): J. Hinke, C. Reiss and W. Trivelpiece (USA)
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Penguin demography and winter distributions in the Antarctic Peninsula region
Peninsula region to declines in krill and penguin populations. Winter temperatures in the Antarctic ... ice cover, has profoundly impacted the Antarctic, krill-based food web (Loeb et al. 1997, Smith et al ... region to declines in krill and penguin populations. Winter temperatures in the Antarctic Peninsula ... , has profoundly impacted the Antarctic, krill-based food web (Loeb et al. 1997, Smith et al. 1999 ...
Meeting Document : WG-EMM-01/32 : Author(s): W. Trivelpiece and S. Trivelpiece (USA)
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Unhappy feet: the reduction of Adélie and chinstrap penguin populations in the West Antarctic Peninsula/Scotia Sea
in the abundance of their main prey, Antarctic krill, which is affected by climate change. In this context, CCAMLR ... should keep a precautionary approach in the management of the krill fishery to reduce significant impacts ... in the abundance of their main prey, Antarctic krill, which is affected by climate change. In this context, CCAMLR ... should keep a precautionary approach in the management of the krill fishery to reduce significant impacts ...
Meeting Document : CCAMLR-XXX/BG/21 : Author(s): Submitted by ASOC
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Reporting procedures for the continuous fishing method
of the management of krill. The continuous trawling method requires adapted reporting procedures compared ... using instrumented observation of krill density in the mouth opening of the trawl as a measure ... of krill. The continuous trawling method requires adapted reporting procedures compared to traditional ... of krill density in the mouth opening of the trawl as a measure to predict spatial catch distribution. ...
Meeting Document : WG-EMM-17/48 : Author(s): O.R. Godø and T. Knutsen
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MODELING PREDATION BY TRANSIENT LEOPARD SEALS FOR AN ECOSYSTEM-BASED MANAGEMENT OF SOUTHERN OCEAN FISHERIES
on Antarctic krill and icefish, which are targeted by regional fisheries. We used a state-space formulation ... energy, IE), but ca. 12–16% of the local gentoo penguin population (20% IE). Antarctic krill (28% IE ... impacts on krill and fish were negligible, but the “escapement” due to leopard seal predation on fur seal ... -based management. The mesopredators are highly dependent on Antarctic krill and icefish, which ...
Meeting Document : WG-EMM-09/P08 : Author(s): J. Forcada, D. Malone, J.A. Royle and I.J. Staniland
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Numerical model of ecosystem including Euphausia superba Dana as a key species in circumpolar region
be applied to primary production in Antarctic Ocean (3) to develop an ecosystem model able to describe krill ... a numerical model including the effect of marine mammal consumption and catch of krill (6) to develop ... production in Antarctic Ocean (3) to develop an ecosystem model able to describe krill ecology (4) to develop ... the effect of marine mammal consumption and catch of krill (6) to develop the integrated model with the above ...
Meeting Document : WG-Krill-94/26 : Author(s): M.J. Kishi and M. Naganobu (Japan)
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Analysis of scientific observer data from the Saga Sea 2006–2007
Sea from June 2006 to June 2007. This paper presents an initial analysis of the krill and fish bycatch ... not appear to be a consistent difference between the size of krill caught by conventional and continuous ... 2006 to June 2007. This paper presents an initial analysis of the krill and fish bycatch sampled ... to be a consistent difference between the size of krill caught by conventional and continuous trawls deployed ...
Meeting Document : WG-EMM-07/16 : Author(s): P. Orr, J. Hooper, D. Agnew, J. Roe, G. Doherty and A. Pryor