Resultados de la búsqueda
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Do the males of Dissostichus eleginoides grow faster, or only mature before females?
concluded that the males mature for the first time at 4 years age and females at 10 years age, reaching 100 ... Abstract: Maturity data information obtained by the scientific observers on board the ships Argos ... - were age transformed applying the age-size relationship obtained from the specific equations for each ... maturity at age and not due to the growth rate. Based on this sample of 434 females and 398 males, it is ...
Meeting Document : WG-FSA-98/16 Rev. 1 : Autor(es): C.A. Moreno (Chile)
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Leslie analyses of commercial snow crab trap data: a comparative study of catchability coefficients
and efforts on an areal basis. Results obtained from data from Newfoundland and Nova Scotia suggest ... historical Leslie analyses of commercial catch data obtained over several years and quantify the relationship ...
Meeting Document : WS-CRAB-93/13 : Autor(es): J.M. Hoenig, E.G. Dawe, D.M. Taylor, M. Eagles and J. Tremblay (USA)
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Surveys of breeding penguins and other seabirds in the South Shetland Islands, Antarctica, January – February 1987
Abstract: Surveys of the South Shetland Islands, Antarctica in 1987 provided data on the size and ... . is two to three times the previous estimate. Other seabird species were also found to be more ... widespread and abundant than previously reported. We hypothesize that this trend is largely an artifact of ...
Meeting Document : SC-CAMLR-VI/BG/19 : Autor(es): W.D. Shuford and L.D. Spear (USA)
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Updated stock assessment of Patagonian toothfish (Dissostichus eleginoides) in the vicinity of Kerguelen Islands (division 58.5.1)
Abstract: This paper presents the latest developments in model of Kerguelen with an updating of ... input data from the more recent years (up to 2016/17 season) and a reassessment of stocks taking into ... Delegation responsibility for releasing documents: France ...
Meeting Document : WG-FSA-17/60 : Autor(es): R. Sinegre, G. Duhamel and J.B. Lecomte
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Second progress report of the CEMP Special Fund overwinter penguin tracking project
distributions. Tracks for juvenile Adélie penguin deployed in 2018 remain to be analyzed. Preliminary ... Abstract: We provide a 2 nd update on the progress of our project “Tracking the overwinter ... collection phase has recently concluded. As of 28 May 2018, the last viable tags had ceased transmitting and ... , while gentoo adults and Adélie juveniles shared similar distributions for SST in 2017. All tracked ...
Meeting Document : WG-EMM-18/24 : Autor(es): J. Hinke, G. Watters, M. Santos, M. Korczak-Abshire and G. Milinevsky
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Representative length and age distributions from random stratified demersal fish surveys
Abstract: Two similar methods for preparing aggregate length frequency distributions from survey ... data are discussed. The Mackerel Icefish, Champsocephalus gunnari at South Georgia is used as an ...
Meeting Document : WG-FSA-91/19 : Autor(es): G. Parkes (United Kingdom)
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Foraging behaviour of Antarctic fur seals during periods of contrasting prey abundance
Abstract: Published in Journal of Animal Ecology (1994) 63, 000-000 Author(s): I.L. Boyd, J.P.Y ...
Meeting Document : WG-CEMP-94/12 : Autor(es): I.L. Boyd, J.P.Y. Arnould, T. Barton and J.P. Croxall (United Kingdom)
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Characteristics of oceanic structure in the waters around the South Shetland Islands of the Antarctic ocean between December 1990 and February 1991: outstanding coastal upwelling?
insular shelf. The following two processes were considered for the present intrusion. The first was the ... austral summer. In order to investigate seasonal changes in oceanic structure. two observations were put ... into operation In the same area after an interval of 40 days. The more characteristic change was ... for the phenomenon of the temperature rise is considered that the Warm Deep Water intruded over the ...
Meeting Document : WG-KRILL-92/24 : Autor(es): M. Naganobu, T. Katayama, T. Ichii, H. Ishii and K. Nasu (Japan)
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Acoustic visualization of the three-dimensional prey field of foraging chinstrap penguins
natural predators. Here, we report a novel method for assessing prey availability to an important krill ... Abstract: Predator-prey interactions play an important role in determining the dynamics of ... the surface distribution of penguins and krill distributed in the 30- 40 m depth layer; no spatial ...
Meeting Document : WG-Joint-94/12 : Autor(es): J.E. Zamon, C.H. Greene, E. Meir, D.A. Demer, R.P. Hewitt and S. Sexton (USA)
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Detection of growth zones in the eyestalk of the Antarctic krill Euphausia superba (Dana, 1852) (Euphausiacea)
for identifying growth zones. The krill was collected at the South Orkney Islands during January and ... February 2015, and varied between 30 and 53 mm in total body length. Up to six growth zones were identified ... growth zones can be definitely established as an indicator of age. The detection of growth zones in the ... Antarctic krill will be an important contribution to the understanding of the biology of the species if the ...
Meeting Document : WG-EMM-16/P02 : Autor(es): B.A. Krafft, M. Kvalsund, G. Søvik, E. Farestveit and A.-L. Agnalt