Resultados de la búsqueda
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Trophic interactions and population trends of killer whales (Orcinus orca) in the southern Ross Sea
reliable, enhanced foraging opportunities as prey are exposed one area at a time during summer. Given the ... population levels of RSKW. Author(s): D.G. Ainley and G. Ballard Title: Trophic interactions and population ...
Meeting Document : WG-FSA-12/P03 : Autor(es): D.G. Ainley and G. Ballard
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Distribution, density and relative abundance of Antarctic krill estimated by maximum likelihood geostatistics on acoustic data collected during commercial fishing operations
last one, were also consistent with the full data (monthly) estimate. Highly variable and lower ... distribution for management purposes. Author(s): E.J. Niklitschek and G. Skaret Title: Distribution, density ...
Meeting Document : WG-EMM-16/P12 : Autor(es): E.J. Niklitschek and G. Skaret
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Adult male Antarctic fur seals: tourists, trouble makers or marine ecosystem sentinels?
understanding the impacts one predator can have on another. The fishery for Antarctic krill operates along the ... ease by which data could be collected. Author(s): A. Lowther, C. Lydersen and K. Kovacs Title: Adult ...
Meeting Document : WG-EMM-2019/49 : Autor(es): A. Lowther, C. Lydersen and K. Kovacs
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OTOLITH-BASED AGEING OF THE PATAGONIAN TOOTHFISH (DISSOSTICHUS ELEGINOIDES) FOR THE HEARD AND MCDONALD ISLANDS: MODELLING FIXED AND RANDOM READER ERROR USING MULTIPLE READINGS OF A REFERENCE COLLECTION
were modelled in two stages. In the first stage the frequency of the absolute value of IE, the AIE ... account logical constraints. This two stage approach makes efficient use of the data since only half the ... the otolith readability score and the integer nature of ring count data. Author(s): S.G. Candy, G.B ... Abstract: Integrated assessments that use catch-at-age or abundance-at-age data for model ...
Meeting Document : WG-FSA-09/21 : Autor(es): S.G. Candy, G.B. Nowara, D.C. Welsford and J.P. McKinlay (Australia)
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OTOLITH-BASED AGEING OF THE PATAGONIAN TOOTHFISH (DISSOSTICHUS ELEGINOIDES) FOR THE HEARD AND MCDONALD ISLANDS: MODELLING FIXED AND RANDOM READER ERROR USING MULTIPLE READINGS OF A REFERENCE COLLECTION
were modelled in two stages. In the first stage the frequency of the absolute value of IE, the AIE ... account logical constraints. This two stage approach makes efficient use of the data since only half the ... the otolith readability score and the integer nature of ring count data. Author(s): S.G. Candy, G.B ... Abstract: Integrated assessments that use catch-at-age or abundance-at-age data for model ...
Meeting Document : WG-SAM-09/07 : Autor(es): S.G. Candy, G.B. Nowara, D.C. Welsford and J.P. McKinlay (Australia)
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Chinstrap penguins alter foraging and diving behaviour in response to krill size
have fluctuated in recent years. We therefore examined the diet of chinstrap penguins at Livingston ... that penguins made this switch to fish with a cost: more time was spent at sea foraging. Author(s ...
Meeting Document : WG-EMM-07/11 : Autor(es): A.K. Miller and W.Z. Trivelpiece (USA)
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Distribution and diet of juvenile Patagonian toothfish on the South Georgia and Shag Rocks shelves (Southern Ocean)
the four years surveyed. Most juveniles were caught on the Shag Rocks shelf to the NW of South Georgia ... , with a greater range of prey sizes consumed by larger fish. Author(s): M.A. Collins, K.A. Ross, M ...
Meeting Document : WG-FSA-07/P4 : Autor(es): M.A. Collins, K.A. Ross, M. Belchier, K. Reid. (Mar. Biol., 152: 135–147 (2007)).
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Comparison of long-term trends in abundance, recruitment and reproductive success of five populations of Pygoscelis penguins in the South Shetland Islands, Antarctica
Livingston Island, South Shetland Islands, Antarctica, were examined to compare up to 25 years of data on the ... disproportionate effects on the survival of juvenile birds. Author(s): J.T. Hinke (USA), K. Salwicka (Poland), S.G ...
Meeting Document : WG-EMM-06/21 : Autor(es): J.T. Hinke (USA), K. Salwicka (Poland), S.G. Trivelpiece, G.M. Watters and W.Z. Trivelpiece (USA)
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Fishing gear, marine debris and oil associated with seabirds at Bird Island, South Georgia, 2002/03
such annual report. As in most previous years, more items of fishing gear (mostly longlining gear) and ... . Author(s): Delegation of the United Kingdom Title: Fishing gear, marine debris and oil associated with ... , though numbers of both decreased slightly since last year. The quantity of fishing gear associated with ... longline hooks and/or snoods were ingested by wandering albatross chicks at South Georgia this year. Hooks ...
Meeting Document : SC-CAMLR-XXII/BG/09 : Autor(es): Delegation of the United Kingdom
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Beach debris survey – Main Bay, Bird Island, South Georgia, 1997/98
which were considerably less than the winter totals for the previous 5 years of collections. The number ... debris being jettisoned into the Southern Ocean. Author(s): Delegation of the United Kingdom Title ... Abstract: The eighth year of surveys of beach man-made debris at Bird Island, South Georgia ...
Meeting Document : CCAMLR-XVIII/BG/6 : Autor(es): Delegation of the United Kingdom