Search results
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Do Adélie penguin fledgling weights provide an index of prey availability?
but this was not as strong for the crèche foraging trips later in the season. Fledgling weights which are measured at the end ... of the breeding season were more strongly correlated with later foraging trips than with earlier trips. We ... but this was not as strong for the crèche foraging trips later in the season. Fledgling weights which are measured at the end ... of the breeding season were more strongly correlated with later foraging trips than with earlier trips. We ...
Meeting Document : WG-EMM-05/21 : Author(s): L. Emmerson, C. Southwell and J. Clarke (Australia)
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A hypothetical life cycle for Antarctic toothfish Dissostichus mawsoni in Antarctic waters of CCAMLR Statistical Area 88
and timing of spawning, and the probable early life history characteristics of toothfish, we investigated ... with the eastern Ross Sea gyre settling out along the continental slope and shelf to the east of the Ross Sea ... -Antarctic ridge to start the cycle again. Spawning fish may remain in the northern area for up to 2–3 years ... of spawning, and the probable early life history characteristics of toothfish, we investigated models ...
Meeting Document : WG-FSA-07/35 : Author(s): S.M. Hanchet, G.J. Rickard, J.M. Fenaughty, A. Dunn and M.J. Williams (New Zealand)
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Beach debris survey, Main Bay, Bird Island, South Georgia, 2002/03
Abstract: During the thirteenth year of standardised beach surveys of man-made debris at Bird ... During the thirteenth year of standardised beach surveys of man-made debris at Bird Island, South ... recorded in 2001/02 and the lowest levels of beach debris during summer since the first year of recording ... in 1990/91. The distribution of debris between summer and winter was similar to the previous year with 26 ...
Meeting Document : SC-CAMLR-XXIII/BG/13 : Author(s): Delegation of the United Kingdom
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Plastic ingestion by petrels breeding in Antarctica
in chicks of Wilson’s Storm Petrels that had died before fledging. Few or no plastics were found in Snow ... Storm Petrels that had died before fledging. Few or no plastics were found in Snow Petrels and Antarctic ...
Meeting Document : CCAMLR-VIII/BG/09 : Author(s): J.A. van Franeker (Netherlands) and P.J. Bell (Australia)
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Seabird research at Cape Shirreff, Livingston Island, Antarctica, 2005/06
and is the third lowest population size in the 10 years of census data. The chinstrap penguin breeding population ... has been declining for the Past eight years and is at its lowest size in the 10 years of study. Gentoo ... penguin fledging Success was the highest recorded in all the years of study. The fledging success ... and was slightly higher than the previous eight year mean. Gentoo penguin fledge weights for this season ...
Meeting Document : WG-EMM-06/P1 : Author(s): E.S.W. Leung, R.A. Orben and W.Z. Trivelpiece (USA)
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Age distribution of breeding female Antarctic fur seals in relation to changes in population growth rate
-1972. Exponential models fitted to the frequency distribution of age-classes greater than age 5 years ... in 1971-1973 was 7.41 (SE = 0.26) years and in 1988 it was 6.93 (SE = 0.20) years. After correction ... for age-dependent arrival time at the pupping beach in 1988, the mean age was 6.22 (SE = 0.14 years ... (SE = 0.26) years and in 1988 it was 6.93 (SE = 0.20) years. After correction for age-dependent ...
Meeting Document : WG-CEMP-91/21 : Author(s): I.L. Boyd, N.J. Lunn, P. Rothery and J.P. Croxall (United Kingdom)
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Foraging and provisioning in Antarctic fur seals: interannual variability in time-energy budgets
varied significantly (P < .001) among 8 consecutive years at Bird Island, South Georgia. Foraging trip ... years than foraging trip duration but declined during a year of particularly low food availability ... . In 4 of the 8 years, there was a significant positive correlation between time spent ashore and foraging trip duration ... seals have episodic bouts of suckling 0-3 days), alternating with foraging trips (3-10 days). Foraging ...
Meeting Document : WG-EMM-99/32 : Author(s): I.L. Boyd (United Kingdom)
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Differences in distribution and population structure of krill (Euphausia superba) between penguin and fur seal foraging areas near Seal Island
) at Seal Island were conducted to identify and evaluate their foraging areas during early January 1990/91 ... , in the inshore foraging areas middle-sized krill (modal length 43 mm), which consisted mainly of nongravid krill ... were conducted to identify and evaluate their foraging areas during early January 1990/91. Penguin ... foraging areas middle-sized krill (modal length 43 mm), which consisted mainly of nongravid krill, were ...
Meeting Document : WG-KRILL-92/27 : Author(s): T. Ichii, H. Ishii (Japan), J.L. Bengtson, P. Boveng, J.K. Jansen (USA) and M. Naganobu (Japan)
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Temporal variability in Adélie penguin CEMP parameters and their response to changes in prey availability
, foraging trip duration, meal mass and fledgling weights. Some years had either good breeding success ... the duration of early and late stage foraging trips. For example, low breeding success was recorded in a season ... the duration of early and late stage foraging trips. For example, low breeding success was recorded in a season ... Abstract: We examined the within- and between- year fluctuations of four Adélie penguin ...
Meeting Document : WG-EMM-12/22 : Author(s): L. Emmerson and C. Southwell (Australia)
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Temporal variability in Adélie penguin CEMP parameters and their response to changes in prey availability
, foraging trip duration, meal mass and fledgling weights. Some years had either good breeding success ... the duration of early and late stage foraging trips. For example, low breeding success was recorded in a season ... the duration of early and late stage foraging trips. For example, low breeding success was recorded in a season ... Abstract: We examined the within- and between- year fluctuations of four Adélie penguin ...
Meeting Document : WG-EMM-12/48 : Author(s): L. Emmerson and C. Southwell (Australia)