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Demographic characteristics of the Adélie penguin population on Béchervaise Island after 12 years of study
after 12 years of study Abstract / Description: Demographic parameters (age-specific survival rates ... , fecundity levels and population numbers) were analysed for the Béchervaise Island Adélie penguin colony in ... eastern Antarctica after 12 years of monitoring under the CCAMLR Ecosystem Monitoring Program (CEMP). A ... changes in annual survival rates, especially of young breeding adults, than to changes in fecundity ... gg ed (m in im um a ge 4 y ea rs ) 76 54 59 30 20 28 10 25 17 30 (a ) N um be rs ... at year 0, x is years and r is the annual rate of population increase (Figure 1). In terms of ... for the Béchervaise Island Adélie penguin colony in eastern Antarctica after 12 years of monitoring ... 1997/98 are shown in Table 2 along with the numbers and percentages surviving in subsequent years ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 53–74 : Autor(es): Clarke, J., L.M. Emmerson, A. Townsend and K.R. Kerry
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Modern mean monthly SST and SST anomalies off South Georgia during recent years (based on satellite data)
Abstract: VNIRO has carried out monitoring of sea-surface temperatures (SSTs) in Subarea 48.3 ... changing the mean monthly SST and SST anomalies during recent years. Daily satellite data from GOES-E and ... quantitative analysis of variations in temperature distribution in South Georgia waters we randomly selected ... ) Title: Modern mean monthly SST and SST anomalies off South Georgia during recent years (based on ...
Meeting Document : WG-EMM-03/20 : Autor(es): G.P. Vanyushin (Russia)
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Winter habitat selection by Antarctic krill will increase krill-predator-fishery interactions during ice free years
Abstract: Climate change will affect populations and fisheries in the Southern Ocean as area ... typically covered by seasonal sea-ice become ice free in some winters (Stammerjohn et al. 2008). For ... of a commercial fishery (Nicol et al. 2010; Watters et al. 2013), recent declines in seasonal sea-ice ... around the Antarctic Peninsula in winters with contrasting ice conditions provide the first acoustic ...
Meeting Document : WG-EMM-15/05 : Autor(es): C.S. Reiss, A. Cossio, C.D. Jones, A. Murray, G. Mitchell, J. Santora, K. Dietrich, E. Weiss, C. Gimpel, J. Walsh and G.M. Watters (USA)
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UPDATE OF THE INTEGRATED STOCK ASSESSMENT FOR THE PATAGONIAN TOOTHFISH (DISSOSTICHUS ELEGINOIDES) FOR THE HEARD AND MCDONALD ISLANDS USING CATCH-AT-AGE DATA AND TWO YEARS OF SURVEY ABUNDANCE-AT-AGE DATA
) samples for each fishing period within that year. For years where insufficient fish were aged the catch-at ... median score for all aged fish in the assessment was 3 but some fishery-by-year combinations had a higher ... took into account uncertainty due to haul-level variability in catch-at-length proportions, ALK ... predictions of numbers-at-age and proportions-at-age. In other work, this matrix was found to depend on the ...
Meeting Document : WG-SAM-09/09 : Autor(es): S.G. Candy (Australia)
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Breeding biology of Adélie penguin (Pygoscelis adeliae) at Edmonson Point CEMP site (Ross Sea, Antarctica): report of the first five years
the fifth year. The study site was located in the Adélie penguin (Pygoscelis adeliae) colony of ... Edmonson Point (74°20'56.7" S, 165°08'10.03" E). The aim of this research was to obtain ... predators, in this instance the Adélie penguin. It is believed that any such impact will be difficult to ... penguin rookery was studied in terms of colony layout, breeding chronology, foraging trip duration ...
Meeting Document : WG-EMM-99/60 : Autor(es): S. Olmastroni, S. Corsolini, F. Pezzo, S. Focardi (Italy) and K. Kerry (Australia)
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Demographic characteristics of the Adélie penguin population of Béchervaise Island after 12 years of study
numbers) were analysed for the Béchervaise Island Adélie penguin colony in eastern Antarctica after 12 ... years of CEMP monitoring. A life table was constructed, and predicted rates of population growth and ... penguin population at Béchervaise Island were found to be more sensitive to changes in annual survival ... rates, especially of young breeding adults, than to changes in fecundity parameters. These findings are ...
Meeting Document : WG-EMM-02/48 : Autor(es): J. Clarke, K. Kerry, A. Townsend and L. Emmerson (Australia)
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Problems and prospects for the Convention on the Conservation of Antarctic Marine Living Resources twenty years on
Abstract: Twenty years after its adoption, the Convention on the Conservation of Antarctic Marine ... Living Resources (CCAMLR) remains unique among fisheries agreements in its declared commitment to ... environment in modern times, is that for Patagonian Toothfish, Dissostichus eleginoides. That fishery is ... CCAMLR’s inability to deal with the toothfish challenge) threaten to be repeated in the second-generation ...
Meeting Document : CCAMLR-XX/BG/18 : Autor(es): Submitted by ASOC
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Current temperature conditions off South Georgia during recent years (satellite data on Subarea 48.3)
monthly analysis of variations in temperature distribution and SST anomalies in the South Georgia waters ... in 12.1989/03.1991 and 11.1999/04.2002 we have selected Cells 1 and 2 (2°x2° resolution, centered at ... anomalies in Cell 1 and 2 are calculated with precision of 0.01°C. Author(s): G.P. Vanyushin (Russia) Title ... : Current temperature conditions off South Georgia during recent years (satellite data on Subarea 48.3 ...
Meeting Document : WG-EMM-02/17 : Autor(es): G.P. Vanyushin (Russia)
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The use of Antarctic shags to monitor coastal fish populations: evaluation and proposals after five years of test of a standard method
. Likewise, the history of the development of this theme in relation to the EMM and FSA Working Groups of ... and quantitatively the diet of shags and can reflect differences in fish availability between seasons ... and areas. Considering the similarities in foraging strategies and reproductive behaviour between ... Antarctic and sub-Antarctic shags, the methodology proposed could readily be used with other shag species in ...
Meeting Document : WG-EMM-03/5 : Autor(es): R. Casaux and E. Barrera-Oro (Argentina)
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Development of an Antarctic toothfish (Dissostichus mawsoni) stock model for CCAMLR Subarea 88.1 for the years 1997/98 to 2003/04
an Antarctic toothfish (Dissostichus mawsoni) stock model for CCAMLR Subarea 88.1 for the years 1997 ...
Meeting Document : WG-FSA-04/36 : Autor(es): A. Dunn, D.J. Gilbert, S.M. Hanchet and B. Bull (New Zealand)