Resultados de la búsqueda
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Analysis of scientific observer data from the Saga Sea 2006–2007
. There did not appear to be a consistent difference between the size of krill caught by conventional and ... continuous trawls deployed by the Saga Sea. Sampling of larval fish was unfortunately not sufficiently ...
Meeting Document : WG-EMM-07/16 : Autor(es): P. Orr, J. Hooper, D. Agnew, J. Roe, G. Doherty and A. Pryor
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Cycles of Euphausia superba recruitment evident in the diet of Pygoscelid penguins and net trawls in the South Shetland Islands, Antarctica
proportionately more females when the krill population was dominated by large adults at the end of the cycles; net ... reported elsewhere in the region and are likely driven by the availability of different sizes and sexes of ...
Meeting Document : WG-EMM-07/P2 : Autor(es): A. Miller and W. Trivelpiece (USA)
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Estimates of natural and fishing mortality from toothfish mark–recapture and catch-at-age data at South Georgia
fishing mortality, for the given age range, than are assumed and predicted by the current assessment ... estimates of the exploitation rate predicted by the full assessment models, currently being implemented ...
Meeting Document : WG-FSA-06/54 : Autor(es): R.M. Hillary and D.J. Agnew (United Kingdom)
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2006 assessment of the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity
Abstract: The ASPM assessment of the Prince Edward Islands toothfish resource by Brandão and ... to be taken by pots (which avoid the cetacean predation associated with longlining). Specific issues ...
Meeting Document : WG-FSA-06/58 : Autor(es): A. Brandão and D.S. Butterworth (South Africa)
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Fishing ground selection in krill fishery: trends in its patterns across years, seasons, and nations
seasonal SSMU selection were characterized by following the result of cluster analysis. Frequently used ... SSMUs did not always match the areas of high krill densities observed by scientific surveys, and ...
Meeting Document : WG-EMM-05/28 : Autor(es): S. Kawaguchi (Australia), K. Taki and M. Naganobu (Japan)
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Stratification of catch-at-length data using tree based regression: an example using Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea
frequency data. The median lengths were weighted within the regression by the inverse of the variance ... , rather than giving equal weights to all tows. Two variables (depth and SSRU) were used by the tree ... regions, consisting of shallow inshore regions where predominantly smaller fish were found, to deeper ... offshore regions where only larger fish were found. The paper presents the new estimates of Antarctic ...
Meeting Document : WG-FSA-SAM-05/8 : Autor(es): N.L. Phillips, A. Dunn and S.M. Hanchet (New Zealand)
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The diet of Antarctic fur seals, Arctocephalus gazella, at King George Island, during the summer–autumn period
investigated at Stranger Point, King George Island, by scat analysis from February to April 1996. Overall ... ), followed by Cephalopods (12%). Myctophids constituted almost 90% of the fish predated, being Electrona ...
Meeting Document : WG-EMM-04/4 : Autor(es): G.A. Daneri, A.R. Carlini, C.M. Hernandez and A. Harrington (Argentina)
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Modelling availability bias using existing time series count data: Adélie penguins as a case study
sites in Antarctica during the breeding season are influenced by the date at which they are undertaken ... . A count of some attribute of the population on any date may therefore need to be adjusted by some ... availability curve were found between the East Antarctic and Ross sea regions. Spatial and temporal variability ...
Meeting Document : WG-EMM-04/54 : Autor(es): L. Emmerson, B. Raymond and C. Southwell (Australia)
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Review of identity and biology of species of the family Macrouridae, from the CCAMLR fishery in the Ross Sea, Antarctica
their identity by NIWA researchers. Two species were found, Macrourus whitsoni and M. holotrachys. A ... ; 88.2 in 2002 were identified by observers and returned to New Zealand for subsequent confirmation of ...
Meeting Document : WG-FSA-02/32 : Autor(es): P.M. Marriott and P. McMillan (New Zealand)
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Distribution of temperature, salinity, density and flow across the Drake Passage in December 1994
across the Drake Passage. The seventh Antarctic Ocean Survey cruise by the R/V Kaiyo Maru of the Japanese ... recognized by a steep gradient in temperature was located between 58-00S and 59-00S. The Antarctic Surface ...
Meeting Document : WG-EMM-01/30 : Autor(es): M. Naganobu and K. Kutsuwada (Japan)