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  • Antarctica  (2)
  • DDU2005; DDU2005_emp_a_f_02; DDU2005_emp_a_f_07; DDU2005_emp_a_f_18; DDU2005_emp_a_f_19; DDU2005_emp_a_m_04; DDU2005_emp_a_m_10; DDU2005_emp_a_m_13; DDU2005_emp_a_m_14; DDU2005_emp_a_m_15; DDU2005_emp_a_x_03; DDU2005_emp_a_x_05; DDU2005_emp_a_x_06; DDU2005_emp_a_x_08; DDU2005_emp_a_x_16; DDU2005_emp_a_x_17; Dumont d´Urville Station; Dumont d´Urville Trough; Marine endotherm; Marine Mammal Tracking; MET; MMT  (2)
Document type
Keywords
Publisher
Years
  • 1
    Electronic Resource
    Electronic Resource
    Field metabolic rates of instrumented Adélie penguins using double-labelled water (1992)
    Springer
    Journal of comparative physiology 162 (1992), S. 567-573 
    Details
    ISSN: 1432-136X
    Keywords: Double-labelled water ; Water flux ; Antarctica ; Respirometry ; Penguin, Pygoscelis adeliae
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Adélie penguins (Pygoscelis adeliae) carrying dummy instruments were used to determine field metabolic rates using double-labelled water. All penguins injected with double-labelled water showed a marked loss of body mass (-4.5%) during the period of the experiments (20–131 h), irrespective of the time of the breeding season. Total body water averaged 57.3% and water flux estimates of field metabolic rates correlated with double-labelled water estimates of field metabolic rate (r 2=0.68), indicating that Adélie penguins do not ingest significant amounts of sea water. Brooding Adélie penguins had a mean field metabolic rate of 10.1 W·kg-1 and at sea a field metabolic rate of 13.3 W·kg-1, both of which compare well with previously published estimates based on time/activity budgets and respirometry. Mean field metabolic rate in penguins with crèching chicks was 14.1 W·kg-1, and the birds spent 65 h absent from the nest as opposed to previous estimates of 7.1 W·kg-1 and 21 h. The effects of weather, disturbance and manipulation on the behaviour and field metabolic rate of penguins late in the breeding season are discussed. Adélie penguins (crèching chicks) equipped with externally attached instruments spent more time absent from the nest than noninstrumented controls (76 vs 54 h), but had a lower field metabolic rate.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00264819
    Location Call Number Limitation Availability
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Energetics of under-water swimming in Adélie penguins (Pygoscelis adeliae) (1991)
    Springer
    Journal of comparative physiology 161 (1991), S. 285-291 
    Details
    ISSN: 1432-136X
    Keywords: Penguins ; Swimming ; Metabolism ; Antarctica ; Krill
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary The energy consumption of Adélie penguins while at rest in water (8.4 W·kg-1 at 4°C) or swimming below the surface was determined using a 21 m long canal fitted with respiration chambers at each end. Penguins chose to swim 86% of the time at speeds recorded in nature. Cost of transport was lowest (7.9 J·kg-1·m-1) at 1.7–2.3 m·s-1, corresponding to a power input of 15.8 W·kg-1, and only 50% as high as previously reported. Assuming a muscle efficiency of 0.25, propulsion efficiency is 0.4 and overall efficiency is 0.1. Calculated food requirements vary between 1060 g krill per adult and foraging trip at the beginning of the breeding season and 2500 g at the period of highest demand, prior to crèching of the chicks.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00262310
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    Paper (German National Licenses)
    Fulltext
  • 3
    facet.materialart.
    Unknown
    At surface behaviour of emperor penguins from Pointe Géologie, Adélie Land, Antarctica, from expedition DDU 2005
    PANGAEA
    In:  Supplement to: Zimmer, Ilka; Wilson, Rory P; Gilbert, Caroline; Beaulieu, Michaël; Ancel, André; Plötz, Joachim (2008): Foraging movements of emperor penguins at Pointe Géologie, Antarctica. Polar Biology, 31(2), 229-243, https://doi.org/10.1007/s00300-007-0352-5
    Details
    Publication Date: 2023-05-12
    Description: The foraging distributions of 20 breeding emperor penguins were investigated at Pointe Géologie, Terre Adélie, Antarctica by using satellite telemetry in 2005 and 2006 during early and late winter, as well as during late spring and summer, corresponding to incubation, early chick-brooding, late chick-rearing and the adult pre-moult period, respectively. Dive depth records of three post-egg-laying females, two post-incubating males and four late chick-rearing adults were examined, as well as the horizontal space use by these birds. Foraging ranges of chick-provisioning penguins extended over the Antarctic shelf and were constricted by winter pack-ice. During spring ice break-up, the foraging ranges rarely exceeded the shelf slope, although seawater access was apparently almost unlimited. Winter females appeared constrained in their access to open water but used fissures in the sea ice and expanded their prey search effort by expanding the horizontal search component underwater. Birds in spring however, showed higher area-restricted-search than did birds in winter. Despite different seasonal foraging strategies, chick-rearing penguins exploited similar areas as indicated by both a high 'Area-Restricted-Search Index' and high 'Catch Per Unit Effort'. During pre-moult trips, emperor penguins ranged much farther offshore than breeding birds, which argues for particularly profitable oceanic feeding areas which can be exploited when the time constraints imposed by having to return to a central place to provision the chick no longer apply.
    Keywords: DDU2005; DDU2005_emp_a_f_02; DDU2005_emp_a_f_07; DDU2005_emp_a_f_18; DDU2005_emp_a_f_19; DDU2005_emp_a_m_04; DDU2005_emp_a_m_10; DDU2005_emp_a_m_13; DDU2005_emp_a_m_14; DDU2005_emp_a_m_15; DDU2005_emp_a_x_03; DDU2005_emp_a_x_05; DDU2005_emp_a_x_06; DDU2005_emp_a_x_08; DDU2005_emp_a_x_16; DDU2005_emp_a_x_17; Dumont d´Urville Station; Dumont d´Urville Trough; Marine endotherm; Marine Mammal Tracking; MET; MMT
    Type: Dataset
    Format: application/zip, 16 datasets
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 4
    facet.materialart.
    Unknown
    Dive depth profile and at surface behaviour data of emperor penguins from Pointe Géologie, Adélie Land, Antarctica, from expedition DDU 2005
    PANGAEA
    In:  Supplement to: Zimmer, Ilka; Wilson, Rory P; Beaulieu, Michaël; Ropert-Coudert, Yan; Kato, Akiko; Ancel, André; Plötz, Joachim (2010): Dive efficiency versus depth in foraging emperor penguins. Aquatic Biology, 8, 269-277, https://doi.org/10.3354/ab00213
    Details
    Publication Date: 2023-05-12
    Description: Adult male and female emperor penguins (Aptenodytes forsteri) were fitted with satellite transmitters at Pointe-Géologie (Adélie Land), Dumont d'Urville Sea coast, in November 2005. Nine of 30 data sets were selected for analyses to investigate the penguins' diving behaviour at high resolution (doi:10.1594/PANGAEA.633708, doi:10.1594/PANGAEA.633709, doi:10.1594/PANGAEA.633710, doi:10.1594/PANGAEA.633711). The profiles are in synchrony with foraging trips of the birds during austral spring (doi:10.1594/PANGAEA.472171, doi:10.1594/PANGAEA.472173, doi:10.1594/PANGAEA.472164, doi:10.1594/PANGAEA.472160, doi:10.1594/PANGAEA.472161). Corresponding high resolution winter data (n = 5; archived elsewhere) were provided by A. Ancel, Centre d'Ecologie et Physiologie Energétiques, CNRS, Strasbourg, France. Air-breathing divers tend to increase their overall dive duration with increasing dive depth. In most penguin species, this occurs due to increasing transit (descent and ascent) durations but also because the duration of the bottom phase of the dive increases with increasing depth. We interpreted the efficiency with which emperor penguins can exploit different diving depths by analysing dive depth profile data of nine birds studied during the early and late chick-rearing period in Adélie Land, Antarctica. Another eight datasets of dive depth and duration frequency recordings (doi:10.1594/PANGAEA.472150, doi:10.1594/PANGAEA.472152, doi:10.1594/PANGAEA.472154, doi:10.1594/PANGAEA.472155, doi:10.1594/PANGAEA.472142, doi:10.1594/PANGAEA.472144, doi:10.1594/PANGAEA.472146, doi:10.1594/PANGAEA.472147), which backup the analysed high resolution depth profile data, and dive depth and duration frequency recordings of another bird (doi:10.1594/PANGAEA.472156, doi:10.1594/PANGAEA.472148) did not match the requirement of high resolution for analyses. Eleven additional data sets provide information on the overall foraging distribution of emperor penguins during the period analysed (doi:10.1594/PANGAEA.472157, doi:10.1594/PANGAEA.472158, doi:10.1594/PANGAEA.472162, doi:10.1594/PANGAEA.472163, doi:10.1594/PANGAEA.472166, doi:10.1594/PANGAEA.472167, doi:10.1594/PANGAEA.472168, doi:10.1594/PANGAEA.472170, doi:10.1594/PANGAEA.472172, doi:10.1594/PANGAEA.472174, doi:10.1594/PANGAEA.472175).
    Keywords: DDU2005; DDU2005_emp_a_f_02; DDU2005_emp_a_f_07; DDU2005_emp_a_f_18; DDU2005_emp_a_f_19; DDU2005_emp_a_m_04; DDU2005_emp_a_m_10; DDU2005_emp_a_m_13; DDU2005_emp_a_m_14; DDU2005_emp_a_m_15; DDU2005_emp_a_x_03; DDU2005_emp_a_x_05; DDU2005_emp_a_x_06; DDU2005_emp_a_x_08; DDU2005_emp_a_x_16; DDU2005_emp_a_x_17; Dumont d´Urville Station; Dumont d´Urville Trough; Marine endotherm; Marine Mammal Tracking; MET; MMT
    Type: Dataset
    Format: application/zip, 30 datasets
    Location Call Number Limitation Availability
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    DATA PANGAEA
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