88 datasets found
  1. Data from: Antarctic Penguin Biogeography Project: Database of abundance and...

    • gbif.org
    • obis.org
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    Updated Apr 17, 2023
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    Christian Che-Castaldo; Grant Humphries; Heather Lynch; Christian Che-Castaldo; Grant Humphries; Heather Lynch (2023). Antarctic Penguin Biogeography Project: Database of abundance and distribution for the Adélie, chinstrap, gentoo, emperor, macaroni, and king penguin south of 60 S [Dataset]. http://doi.org/10.48361/zftxkr
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    Dataset updated
    Apr 17, 2023
    Dataset provided by
    Global Biodiversity Information Facilityhttps://www.gbif.org/
    SCAR - AntOBIS
    Authors
    Christian Che-Castaldo; Grant Humphries; Heather Lynch; Christian Che-Castaldo; Grant Humphries; Heather Lynch
    License

    Attribution 4.0 (CC BY 4.0)https://creativecommons.org/licenses/by/4.0/
    License information was derived automatically

    Time period covered
    Nov 1, 1892 - Feb 12, 2022
    Area covered
    Description

    The Antarctic Penguin Biogeography Project is an effort to collate all known information about the distribution and abundance of Antarctic penguins through time and to make such data available to the scientific and management community. The core data product involves a series of structured tables with information on known breeding sites and surveys conducted at those sites from the earliest days of Antarctic exploration through to the present. This database, which is continuously updated as new information becomes available, provides a unified and comprehensive repository of information on Antarctic penguin biogeography that contributes to a growing suite of applications of value to the Antarctic community. One such application is the Mapping Application for Antarctic Penguins and Projected Dynamics (MAPPPD; www.penguinmap.com) - a browser-based search and visualization tool designed primarily for policymakers and other non-specialists (Humphries et al., 2017), and ‘mapppdr’, an R package developed to assist the Antarctic science community. The Antarctic Penguin Biogeography Project has been funded by the National Aeronautics and Space Administration (NASA), the Pew Fellowship for Marine Conservation, and the Institute for Advanced Computational Sciences at Stony Brook University.

    Antarctic Penguin Biogeography Project: Database of abundance and distribution for the Adélie, chinstrap, gentoo, emperor, macaroni, and king penguin south of 60 S is an occurrence and sampling event type dataset published by SCAR-AntBIOS.

    This dataset contains records of Pygoscelis adeliae, Pygoscelis antarctica, Pygoscelis papua, Eudyptes chrysolophus, Aptenodytes patagonicus, and Aptenodytes forsteri annual nest, adult, and/or chick counts conducted during field expeditions or collected using remote sensing imagery, that were subsequently gathered by the Antarctic Penguin Biogeography Project from published and unpublished sources, at all known Antarctic penguin breeding colonies south of 60 S from 1892-11-01 to 2022-02-12.

    The data is published as a standardized Darwin Core Archive and includes an event core and occurrence and eMoF extensions. This dataset is published by SCAR-AntOBIS under the license CC-BY 4.0. Please follow the guidelines from the SCAR Data Policy (SCAR, 2023) when using the data. If you have any questions regarding this dataset, please contact us via the contact information provided in the metadata or via data-biodiversity-aq@naturalsciences.be. Issues with dataset can be reported at https://github.com/biodiversity-aq/data-publication/

    This dataset is part of the Antarctic Penguin Biogeography Project project funded by National Aeronautics and Space Administration (NASA), the Pew Fellowship for Marine Conservation, and the Institute for Advanced Computational Sciences at Stony Brook University.

  2. Status of Disease in the Emperor Penguins of Auster Rookery

    • data.aad.gov.au
    • researchdata.edu.au
    Updated Dec 15, 2011
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    SHELLAM (DECEASED), GEOFF (2011). Status of Disease in the Emperor Penguins of Auster Rookery [Dataset]. http://doi.org/10.4225/15/57C66659DAAFA
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    Dataset updated
    Dec 15, 2011
    Dataset provided by
    Australian Antarctic Divisionhttps://www.antarctica.gov.au/
    Australian Antarctic Data Centre
    Authors
    SHELLAM (DECEASED), GEOFF
    License

    Attribution 4.0 (CC BY 4.0)https://creativecommons.org/licenses/by/4.0/
    License information was derived automatically

    Time period covered
    Sep 30, 2007 - Mar 31, 2008
    Area covered
    Description

    Metadata record for data from ASAC Project 2954. See the link below for public details on this project.

    Public The primary goal of this project is to determine the status and origin of diseases in Emperor Penguins at Auster Rookery near Mawson Station, Antarctica. We will investigate the origins of such disease and the role humans may have played. We will sample adults and chicks in order to isolate and describe the pathogens. A high percentage of Emperor Penguin chicks have antibodies to infectious bursal disease (IBDV). This study will investigate the role the adults play in transmitting IBDV to their chicks. The high prevalence of IBDV antibodies should help us to isolate the virus and discover its origin.

    Project objectives: Status of Disease in the Emperor Penguins of Auster Rookery

    1) To determine the prevalence of disease in adult Emperor Penguins (Aptenodytes forsteri) at Auster Rookery. Over 65% of Emperor Penguin chicks at Auster Rookery had serum antibodies to Infectious Bursal Disease Virus (IBDV) in December 1995 (Gardner et al. 1997). We have no information on the presence of the same antibodies on adult Emperor Penguins. We will focus on IBDV, but will also test for other common avian diseases.

    2) To repeat the sampling of Emperor Penguin Chicks by Gardner et al. (1997) in order to compare the prevalence of IBDV in Emperor Penguin chicks in 2008 with 1995.

    3) To determine the seasonal progression of IBDV antibody prevalence in both adults and chicks.

    4) To determine the possible source(s) of viral infection in Emperor Penguin chicks. Because Gardner et al. (1997) had no information on adult Emperor Penguins we do not know how the chicks are exposed to IBDV. Gardner et al. (1997) suggested that poultry waste from the nearby Mawson Station may be a source of virus for the Emperor Penguin chicks. Penguins do not scavenge food, however, so the source of infection must be either from the environment, local predators/scavenger, or from parents feeding their young. By sampling both adults and chicks in different parts of the season, we will determine when antibodies first appear in the chicks. If they have antibodies in the early season, then scavengers/predators can not account for their exposure to IBDV.

    5) To determine the source of the IBDV. We will attempt to isolate virus from Emperor Penguins in order to identify the strains responsible for the antibody reactions in Emperor Penguins. Using reverse transcription polymerase chain reaction (RT-PCR), we will sequence genes from the virus which can be compared with known gene sequences from serotypes available from GenBank.

    6) To monitor the chick mortality and conduct field necropsies of the Emperor Penguins at the Auster colony to determine whether IBDV or other diseases are a factor in reproductive success.

    7) To contribute to a conservation strategy for Antarctic wildlife. By developing information on the importance and origins of disease in Emperor Penguins we can clarify the role of human visitors in the transmission of disease in Antarctic wildlife.

    Progress against objectives: Excellent progress has been made towards all the stated goals.

    By spending the winter of 2008 at Mawson Station we had access to the emperor penguin colony at Auster. We successfully sampled 400 adults and 200 chicks as stated in the proposal. We now have the samples back in Australia and analyses are beginning. No sample analysis for disease could be undertaken while still in Antarctica.

    The samples will 1) give us a determination of the prevalence of IBDV antibodies (also some other disease viruses) for both adults and chicks. 2) One of our sampling periods was a repeat of the sampling conducted by Gardner et al. so we can compare the prevalence of IBDV antibodies in chicks from 2 different years and relate that to the prevalence in adults. 4) We conducted our sampling at four different times during the winter so that we were able to sample chicks before any other species visited the colony, then sample them again 6 weeks after skuas and giant petrels were in the area. 5) In order to determine the source of IBDV we want to determine its RNA sequence. To that end, a full set of samples have been sent to Dr. Daral Jackwood at Ohio State University, a colleague and IBDV expert. He has just begun to analyse the samples to isolate and sequence the IBDV RNA. 6) We monitored chick mortality with visits to the colony on average once per week. We noted approximately 800 dead chicks and collected 120 of the chicks for field necropsies. They mostly died of starvation with a few exceptions. We found parasites in one dead chick. We also collected 9 carcasses of adult emperor penguins. Eight of the 9 were females who all died with complications of egg laying. 7) This goal will require the completion of all the analyses for us to make conservation recommendations.

    This collection of files represents the data (including samples) collected for Project 2954 on E...

  3. D

    Global analysis of emperor penguin populations

    • datasetcatalog.nlm.nih.gov
    • search.dataone.org
    • +1more
    Updated Feb 14, 2024
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    Trathan, Phil; Devane, Eileen; Horstmann, Isabella; Zitterbart, Daniel; Labrousse, Sara; Fretwell, Peter; Winterl, Alexander; Kooyman, Gerald; Ainley, David; Barbraud, Christophe; Viollat, Lise; Iles, David; Wienecke, Barbara; Jenouvrier, Stéphanie; Ortega, David; LaRue, Michelle; Houstin, Aymeric; Nixon, Monique; Richter, Sebastian; Foster-Dyer, Rose; Ponganis, Paul; Salas, Leo; Le Bohec, Céline (2024). Global analysis of emperor penguin populations [Dataset]. http://doi.org/10.5061/dryad.m63xsj48v
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    Dataset updated
    Feb 14, 2024
    Authors
    Trathan, Phil; Devane, Eileen; Horstmann, Isabella; Zitterbart, Daniel; Labrousse, Sara; Fretwell, Peter; Winterl, Alexander; Kooyman, Gerald; Ainley, David; Barbraud, Christophe; Viollat, Lise; Iles, David; Wienecke, Barbara; Jenouvrier, Stéphanie; Ortega, David; LaRue, Michelle; Houstin, Aymeric; Nixon, Monique; Richter, Sebastian; Foster-Dyer, Rose; Ponganis, Paul; Salas, Leo; Le Bohec, Céline
    Description

    Like many polar animals, emperor penguin populations are challenging to monitor because of the species’ life history and remoteness. Consequently, it has been difficult to establish its global status, a subject important to resolve as polar environments change. To advance our understanding of emperor penguins, we combined remote sensing, validation surveys, and using Bayesian modeling we estimated a comprehensive population trajectory over a recent 10-year period, encompassing the entirety of the species’ range. Reported as indices of abundance, our study indicates with 81% probability that the global population of adult emperor penguins declined between 2009 and 2018, with a posterior median decrease of 9.6% (95% credible interval (CI) -26.4% to +9.4%). The global population trend was -1.3% per year over this period (95% CI = -3.3% to +1.0%) and declines likely occurred in four of eight fast ice regions, irrespective of habitat conditions. Thus far, explanations have yet to be identified regarding trends, especially as we observed an apparent population up-tick toward the end of time series. Our work potentially establishes a framework for monitoring other Antarctic coastal species detectable by satellite, while promoting a need for research to better understand factors driving biotic changes in the Southern Ocean ecosystem.

  4. Foraging ecology of emperor penguins in summer and potential overlap with...

    • data.aad.gov.au
    • researchdata.edu.au
    Updated May 31, 2016
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    WIENECKE, BARBARA; ROBERTSON, GRAHAM (2016). Foraging ecology of emperor penguins in summer and potential overlap with fisheries [Dataset]. https://data.aad.gov.au/metadata/ASAC_1252
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    Dataset updated
    May 31, 2016
    Dataset provided by
    Australian Antarctic Divisionhttps://www.antarctica.gov.au/
    Australian Antarctic Data Centre
    Authors
    WIENECKE, BARBARA; ROBERTSON, GRAHAM
    License

    Attribution 4.0 (CC BY 4.0)https://creativecommons.org/licenses/by/4.0/
    License information was derived automatically

    Time period covered
    Jul 31, 1988 - Mar 31, 2012
    Area covered
    Description

    Metadata record for data from ASAC Project 1252 See the link below for public details on this project.

    Currently three datasets are attached to this metadata record. Dive data collected in 1988, track data from adult birds collected in 1994 and track data from fledglings collected in 1995.

    Dive data are available in Microsoft Word format, while the track data are available in Microsoft Excel format.

    A readme file (txt) is included in each download file to explain column headings, etc.

    ---- Public Summary from Project ---- To breed successfully the winter-breeding emperor penguins must fatten on two occasions: once before the onset of moult in January, and again prior to the commencement of the new breeding season in March. Interference with the capacity of the penguins to fatten in summer might be detrimental to the their breeding performance and survival later on in winter. This study seeks to determine the likely impact of commercial fishing operations on emperor penguin colonies at the Mawson Coast. More specifically, the data pertains to the locations of emperor penguins when fattening prior to the moult, and prior to the new breeding season.

    Project objectives: 1. To determine the extent and location of foraging areas of post-breeding adult Emperor penguins in summer. 3. To determine the extent and locations of foraging areas of fledgling Emperor penguins on their first trip to sea. 4. To identify interseasonal and interannual variations in foraging areas in conjunction with changes in seaice conditions and compare these with results from different colonies. 5. To survey the coastline of the AAT to verify the existence (or non-existence) of Emperor penguin colonies.

    Emperor penguins are icons of Antarctic wildlife and their conservation is of paramount interest to the wider community. They are also key consumers of marine resources in several areas and consequently there is great potential for interactions between feeding penguins and harvesting of fish and krill. Emperor penguins are one of the few species to breed on the fast ice (although there are three known land-based colonies, one of which has all but ceased to exist in recent years). Thus, the breeding habitat of Emperor penguins is subject to direct alteration as a result of climate change. Colonies of Emperors are found across a wide latitudinal range, from deep in the Ross Sea to the tip of the Antarctic Peninsula. This range includes breeding areas where significant changes in seaice are not (yet?) thought to be occurring to areas where seaice is changing rapidly. Accordingly, studies at multiple locations will provide valuable clues on how this species will be affected by a warming Antarctic. Additionally, Emperor penguins are large animals that live in a relatively small number of discrete locations. It is therefore more than feasible, using an international effort, to study an entire species and to make some predictions about their response to a warming world and to current and future fishing practices. This project aims to make the first steps towards an overall conservation assessment of Emperor penguins through studies in several locations around the Antarctic continent. Should these attempts be successful, then a more ambitious international project will be launched to take a species-wide perspective.

  5. n

    Data from: Diving Physiology and Behavior of Emperor Penguins

    • cmr.earthdata.nasa.gov
    • usap-dc.org
    • +2more
    Updated Apr 20, 2017
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    (2017). Diving Physiology and Behavior of Emperor Penguins [Dataset]. https://cmr.earthdata.nasa.gov/search/concepts/C1214590380-SCIOPS.html
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    Dataset updated
    Apr 20, 2017
    Time period covered
    Oct 29, 2003 - Dec 4, 2003
    Area covered
    Description

    The emperor penguin, Aptenodytes forsteri, is the premier avian diver and a top predator in the Antarctic ecosystem. The routine occurrence of 500-m diver during foraging trips to sea is both a physiological and behavior enigma. The objectives of this project address how and why emperors dive as deep and long as they do. The project examines four major topics in the diving biology of emperor penguins: pressure tolerance, oxygen store management, end-organ tolerance of diving hypoxemia/ischemia, and deep-dive foraging behavior. These subjects are relevant to the role of the emperor as a top predator in the Antarctic ecosystem, and to critical concepts in diving physiology, including decompression sickness, nitrogen narcosis, shallow water blackout, hypoxemic tolerance, and extension of aerobic dive time. The following hypotheses will be tested: 1) Prevention of nitrogen narcosis and decompression sickness in emperor penguins is achieved by inhibition of pulmonary gas exchange at depth. 2) Shallow water black out does not occur because of greater cerebral hypoxemic tolerance, and, in deep dives, because of resumption of pulmonary gas exchange during final ascent. 3) The rate of depletion of the blood oxygen store is a function of depth of dive and heart rate. 4) The aerobic dive limit (ADL) reflects the onset of lactate accumulation in locomotory muscle, not total depletion of all oxygen stores. 5) Elevation of tissue antioxidant capacity and free-radical scavenging enzyme activities protect against the routine ischemia/reperfusion which occur during diving. 6) During deep dives, the Antarctic silverfish, Pleuorogramma antarcticum, is the primary prey item for emperors. In addition to evaluation of the hypotheses below, the project has broader impacts in several areas such as partnership with foreign and national institutes and organizations (e.g., the National Institute of Polar Research of Japan, Centro de Investigacioines del Noroeste of Mexico, National Geographic, the University of Texas Southwestern Medical Center, and Sea World). Participation in National Geographic television documentaries will provide unique educational opportunities for the general public; development of state-of-the-art technology (e.g., blood oxygen electrode recorders, blood samplers, and miniaturized digital cameras) will lay the groundwork for future research by this group and others; and the effects of the B15 iceberg on breeding success of emperor penguins will continue to be evaluated with population censuses during planned fieldwork at several Ross Sea emperor penguin colonies.

  6. n

    Satellite tracking of Emperor penguin fledglings

    • cmr.earthdata.nasa.gov
    • researchdata.edu.au
    cfm
    Updated Apr 8, 2019
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    (2019). Satellite tracking of Emperor penguin fledglings [Dataset]. http://doi.org/10.4225/15/54AC6D5198CC2
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    cfmAvailable download formats
    Dataset updated
    Apr 8, 2019
    Time period covered
    Dec 15, 2010 - May 3, 2011
    Area covered
    Description

    As seabirds emperor penguins spent a large proportion of their lives at sea. For food they depend entirely on marine resources. Young penguins rarely return to their natal colonies after their first year. Satellite tracking will give us insights into where foraging areas may be that are important for these birds. This tracking work is part of a multi-species study funded by the Integrated Marine Observation System (IMOS).

  7. g

    Foraging ecology of emperor penguins in summer and potential overlap with...

    • gimi9.com
    Updated May 3, 2009
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    (2009). Foraging ecology of emperor penguins in summer and potential overlap with fisheries | gimi9.com [Dataset]. https://gimi9.com/dataset/au_foraging-ecology-of-emperor-penguins-in-summer-and-potential-overlap-with-fisheries/
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    Dataset updated
    May 3, 2009
    Description

    Metadata record for data from ASAC Project 1252 See the link below for public details on this project. Currently three datasets are attached to this metadata record. Dive data collected in 1988, track data from adult birds collected in 1994 and track data from fledglings collected in 1995. Dive data are available in Microsoft Word format, while the track data are available in Microsoft Excel format. A readme file (txt) is included in each download file to explain column headings, etc. ---- Public Summary from Project ---- To breed successfully the winter-breeding emperor penguins must fatten on two occasions: once before the onset of moult in January, and again prior to the commencement of the new breeding season in March. Interference with the capacity of the penguins to fatten in summer might be detrimental to the their breeding performance and survival later on in winter. This study seeks to determine the likely impact of commercial fishing operations on emperor penguin colonies at the Mawson Coast. More specifically, the data pertains to the locations of emperor penguins when fattening prior to the moult, and prior to the new breeding season. Project objectives: 1. To determine the extent and location of foraging areas of post-breeding adult Emperor penguins in summer. 3. To determine the extent and locations of foraging areas of fledgling Emperor penguins on their first trip to sea. 4. To identify interseasonal and interannual variations in foraging areas in conjunction with changes in seaice conditions and compare these with results from different colonies. 5. To survey the coastline of the AAT to verify the existence (or non-existence) of Emperor penguin colonies. Emperor penguins are icons of Antarctic wildlife and their conservation is of paramount interest to the wider community. They are also key consumers of marine resources in several areas and consequently there is great potential for interactions between feeding penguins and harvesting of fish and krill. Emperor penguins are one of the few species to breed on the fast ice (although there are three known land-based colonies, one of which has all but ceased to exist in recent years). Thus, the breeding habitat of Emperor penguins is subject to direct alteration as a result of climate change. Colonies of Emperors are found across a wide latitudinal range, from deep in the Ross Sea to the tip of the Antarctic Peninsula. This range includes breeding areas where significant changes in seaice are not (yet?) thought to be occurring to areas where seaice is changing rapidly. Accordingly, studies at multiple locations will provide valuable clues on how this species will be affected by a warming Antarctic. Additionally, Emperor penguins are large animals that live in a relatively small number of discrete locations. It is therefore more than feasible, using an international effort, to study an entire species and to make some predictions about their response to a warming world and to current and future fishing practices. This project aims to make the first steps towards an overall conservation assessment of Emperor penguins through studies in several locations around the Antarctic continent. Should these attempts be successful, then a more ambitious international project will be launched to take a species-wide perspective.

  8. Sentinel-2 data of 27 emperor penguin colonies in East Antarctica

    • data.aad.gov.au
    • researchdata.edu.au
    • +1more
    Updated Sep 4, 2024
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    WIENECKE, BARBARA; LIESER, JAN; MCINNES, JULIE; BARRINGTON, JOHNATHON (2024). Sentinel-2 data of 27 emperor penguin colonies in East Antarctica [Dataset]. http://doi.org/10.26179/c8za-4y91
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    Dataset updated
    Sep 4, 2024
    Dataset provided by
    Australian Antarctic Divisionhttps://www.antarctica.gov.au/
    Australian Antarctic Data Centre
    Authors
    WIENECKE, BARBARA; LIESER, JAN; MCINNES, JULIE; BARRINGTON, JOHNATHON
    License

    Attribution 4.0 (CC BY 4.0)https://creativecommons.org/licenses/by/4.0/
    License information was derived automatically

    Time period covered
    Mar 14, 2018 - Dec 31, 2023
    Area covered
    Description

    The spreadsheet lists positions of 27 emperor penguin colonies in East Antarctica (Umebosi to Yule Bay) based in Sentinel-2 images. Records are based on all images available throughout the breeding seasons 2018-2023. See https://browser.dataspace.copernicus.eu/ The period covered is 2018-2023.

    As a species highly reliant on stable fast ice as a breeding platform, emperor penguins are increasingly challenged in their breeding attempts due to changes in fast ice conditions. We collated habitat information of 27 emperor penguin colonies in East Antarctica (43–167°E) from 2018 to 2023 using European Space Agency Sentinel-2 satellite images. Our objective was to examine the variability in habitat and ice conditions and associated repercussions for colony movements and breeding success. Variables, such as location, colony movement and inter-annual variability in these parameters, were used to assess the adaptability of emperor penguins when local conditions change markedly. The major challenge emperor penguins currently face throughout Antarctica is untimely loss of breeding habitat resulting in increased or complete breeding failure, as observed in 8 colonies at least once during the study. One small colony at the West Ice Shelf lost its breeding area and has not been seen since 2021. The inter-annual movement of some colonies demonstrates the species' adaptability and the need for ongoing monitoring of the global emperor penguin population using satellite imagery. We highlight caveats, such as availability of suitable satellite images and movement of colonies, that need to be accounted for to ensure sound interpretation of the monitoring findings. Ongoing Antarctic-wide monitoring is essential to quantify the impact of changing fast ice conditions on emperor penguins and also the cumulative impacts of other threats such as disease. The information presented is to provide background and empirical data for researchers, policy makers and managers.

  9. g

    Effects of helicopter operations on emperor penguin chicks | gimi9.com

    • gimi9.com
    Updated Jul 2, 2025
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    (2025). Effects of helicopter operations on emperor penguin chicks | gimi9.com [Dataset]. https://gimi9.com/dataset/au_effects-of-helicopter-operations-on-emperor-penguin-chicks/
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    Dataset updated
    Jul 2, 2025
    Description

    Creching emperor penguin (Aptenodytes forsteri) chickswere exposed to two overflights by an S-76 twin engine helicopter at 1000 m: a current operational guideline for helicopter activity in Antarctica. The flights were conducted on the same day but under different wind conditions: a morning flight with a 10 kt (18 km.hr-1) katabatic blowing perpendicular to the direction of helicopter travel and an afternoon flight with virtually no wind. Background noise levels recorded in the morning, before the helicopter flight, were significantly higher than in the afternoon, but these differences were not detectable when the helicopter was overhead. There were also no significant differences in the way chicks responded to helicopters between the morning and afternoon flight. All chicks became more vigilant when the helicopter approached and 69% either walked or ran, generally moving less than 10 m toward other chicks (i.e. not scattering). Most chicks (83%) displayed flipper-flapping, probably indicating nervous apprehension. This behaviour was seldom displayed in the absence of disturbance. Although all effects were relatively transitory, results support the introduction of more conservative guidelines for helicopter operations around breeding localities of this species. The fields in this dataset are: Time Action Date Lying Standing Walking Preening Flapping

  10. n

    Data from: The Physiological Ecology of Two Antarctic Icons: Emperor...

    • cmr.earthdata.nasa.gov
    • search.dataone.org
    • +2more
    Updated Aug 11, 2020
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    (2020). The Physiological Ecology of Two Antarctic Icons: Emperor Penguins and Leopard Seals [Dataset]. https://cmr.earthdata.nasa.gov/search/concepts/C2532069890-AMD_USAPDC.html
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    Dataset updated
    Aug 11, 2020
    Time period covered
    Sep 1, 2010 - Aug 31, 2014
    Area covered
    Description

    Emperor penguins (Aptenodytes forsteri) and leopard seals (Hydrurga leptonyx) are iconic, top predators in Antarctica. Understanding their physiological ecology is essential to the assessment of their adaptability to the threats of climate change, pollution, and overfishing. The proposed research has multipronged objectives. Prior results suggest that Emperor penguins have flexible (vs. static) aerobic dive limits (ADL) that vary with the type of dive, and that the role of heart rate in utilization of oxygen stores also varies with dive type. A series of physiological measurements are proposed with backpack electrocardiogram recorders, that will allow further delineation of patterns and interrelationships among heart rate, dive behavior, and oxygen stores. Importantly, the research will be done on free diving emperors, and not individuals confined to a dive hole, thereby providing a more genuine measure of diving physiology and behavior. A separate objective is to examine foraging behavior of leopard seals, using a backpack digital camera and time depth recorder. Leopard seal behavior and prey intake is poorly quantified, but known to be significant. Accordingly the research is somewhat exploratory but will provide important baseline data. Finally, the P.I. proposes to continue long term overflight censuses of Emperor penguin colonies in the Ross Sea. Broader impacts include collaboration with National Geographic television, graduate student training, and development of sedation techniques for leopard seals.

  11. n

    Data from: Pre and Post Molt Biology of Emperor Penguins - Oden Trans - Ross...

    • cmr.earthdata.nasa.gov
    • usap-dc.org
    • +2more
    Updated Aug 11, 2020
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    (2020). Pre and Post Molt Biology of Emperor Penguins - Oden Trans - Ross / Amundsen Sea Cruise [Dataset]. https://cmr.earthdata.nasa.gov/search/concepts/C2532069952-AMD_USAPDC.html
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    Dataset updated
    Aug 11, 2020
    Time period covered
    Aug 15, 2011 - Jul 31, 2015
    Area covered
    Description

    The emperor penguin dives deeper and longer, fasts longer, and endures the harshest weather conditions of all diving birds. It spends about four and half months per annum deep in Antarctic pack ice away from shore and stations, and thus is largely unavailable for study. This time includes preparation for the molt, and travel to the colony to breed, a time period in which great swings in body weight occur. This study will fill an important gap in what we know about the biology of the annual cycle of the emperor by examining the molt-post molt period. The P.I. proposes to traverse the Amundsen and Bellingshausen seas on the Oden, to locate and tag emperor penguins during the molt season. The objectives are to (1) Place satellite tags on 20 adult post molt birds to determine their route, rate of travel, and diving behavior as they return back to their breeding colonies, (2) Obtain an index of body condition, (3) Collect guano to determine the type of food consumed by emperor penguins in the region, (4) Conduct shipboard surveys to sight and plot the location and abundance of adult and juvenile birds on the ship's track. The PI hypothesizes that bird dives will be shallow during the initial post-molt phase, and that food will consist primarily of krill; that there will be differential dispersal of birds from the Ross Sea vs. Marie Byrd Land, with Ross Sea birds traveling farther; and that the greatest adult mortality occurs during the molt and early post molt period. Broader impacts include training of a post doc, a graduate student, and an aquarium volunteer. The P.I. also will present findings through a website, through public lectures, and in collaboration with the Birch aquarium.

  12. n

    Population estimates of emperor penguins, Mawson coast, Antarctica

    • cmr.earthdata.nasa.gov
    • researchdata.edu.au
    • +2more
    cfm
    Updated Apr 26, 2017
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    (2017). Population estimates of emperor penguins, Mawson coast, Antarctica [Dataset]. http://doi.org/10.4225/15/5433159B290CC
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    cfmAvailable download formats
    Dataset updated
    Apr 26, 2017
    Time period covered
    Jun 21, 1988 - Nov 30, 2010
    Area covered
    Description

    Metadata record for data from ASAC Project 484 See the link below for public details on this project.

    ---- Public Summary from Project ---- Emperor penguins are the only birds that breed in the Antarctic winter. They feed mainly on fish and squid but also ingest krill. Changes in food availability due to oceanographic or climatic factors, or to the extent of sea ice (through the processes of global warming) will have a direct impact on the breeding success and population size of the penguins. By counting the number of males that incubate at mid-winter each year, we can monitor trends in their population size. Counts of fledglings in spring (November) tell us how successful the penguins bred.

    The download file contains an excel spreadsheet which presents a summary of known Emperor Penguin colonies in the area of the Australian Antarctic Territory (AAT), and a file which details counts of male emperor penguins at the Taylor Glacier colony.

    A description of the column headings used in the spreadsheet is below.

    Colony: Colony name

    lat, long: latitude and longitude of colony

    discovered: date colony was discovered

    current est pop (BP): Current estimated population size in breeding pairs - current as at date the colony was last seen

    last seen: date the colony was last seen

    counting method: method used to count the breeding pairs in the colony

    comments: any applicable comments

    reference: references relating to the colony

    Taken from the 2009-2010 Progress Report: Public summary of the season progress: Population size of colonies fluctuates which is why long term monitoring studies are necessary to detect trends. At the emperor penguin colony at Taylor Glacier, monitored continuously since 1988, a slight downward trend is apparent but is not (yet?) statistically significant. The colony was visited three times: once in winter to obtain an estimate of the number of adults in the colony (roughly equivalent to the number of breeding pairs), and twice during the late chick rearing season to estimate breeding success. The count of adults in 2009 was the lowest on record. Reasons for this are still unknown.

  13. d

    Post-molt emperor penguin foraging ecology

    • search.dataone.org
    • usap-dc.org
    Updated Mar 11, 2025
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    McDonald, Birgitte (2025). Post-molt emperor penguin foraging ecology [Dataset]. http://doi.org/10.15784/601686
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    Dataset updated
    Mar 11, 2025
    Dataset provided by
    US Antarctic Program Data Center
    Authors
    McDonald, Birgitte
    Area covered
    Description

    This dataset includes an inventory of emperor penguins captured after their molt in February 2023. Observations recorded include capture date, instrumentation, body mass, flipper length, and samples collected.

  14. d

    The challenges of detecting subtle population structure and its importance...

    • search.dataone.org
    • researchdata.edu.au
    • +3more
    Updated Jun 17, 2025
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    Jane L. Younger; Gemma V. Clucas; Damian Kao; Alex D. Rogers; Karim Gharbi; Tom Hart; Karen J. Miller (2025). The challenges of detecting subtle population structure and its importance for the conservation of emperor penguins [Dataset]. http://doi.org/10.5061/dryad.4s7t3
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    Dataset updated
    Jun 17, 2025
    Dataset provided by
    Dryad Digital Repository
    Authors
    Jane L. Younger; Gemma V. Clucas; Damian Kao; Alex D. Rogers; Karim Gharbi; Tom Hart; Karen J. Miller
    Time period covered
    Jan 1, 2017
    Description

    Understanding the boundaries of breeding populations is of great importance for conservation efforts and estimates of extinction risk for threatened species. However, determining these boundaries can be difficult when population structure is subtle. Emperor penguins are highly reliant on sea ice, and some populations may be in jeopardy as climate change alters sea-ice extent and quality. An understanding of emperor penguin population structure is therefore urgently needed. Two previous studies have differed in their conclusions, particularly whether the Ross Sea, a major stronghold for the species, is isolated or not. We assessed emperor penguin population structure using 4,596 genome-wide single nucleotide polymorphisms (SNPs), characterized in 110 individuals (10–16 per colony) from eight colonies around Antarctica. In contrast to a previous conclusion that emperor penguins are panmictic around the entire continent, we find that emperor penguins comprise at least four metapopulations,...

  15. n

    Data from: The Aerobic Dive Limit: Oxygen Transport and Depletion in Emperor...

    • cmr.earthdata.nasa.gov
    • get.iedadata.org
    • +2more
    Updated Nov 16, 2020
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    (2020). The Aerobic Dive Limit: Oxygen Transport and Depletion in Emperor Penguins [Dataset]. https://cmr.earthdata.nasa.gov/search/concepts/C1214594947-SCIOPS.html
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    Dataset updated
    Nov 16, 2020
    Time period covered
    Aug 15, 2006 - Jul 31, 2010
    Description

    The research will examine blood and muscle oxygen store depletion in relation to the documented aerobic dive limit (ADL, onset of post-dive blood lactate accumulation) in diving of emperor penguins. The intellectual merits of this proposal involve its evaluation of the physiological basis of the ADL concept. The ADL is probably the most commonly-used, but rarely measured, factor to interpret and model the behavior and foraging ecology of diving animals. Based on prior studies, and on recent investigations of respiratory and blood oxygen depletion during dives of emperor penguins, it is hypothesized that the ADL is a result of the depletion of myoglobin (Mb)-bound oxygen and increased glycolysis in the primary locomotory muscles. This project will accurately define the physiological mechanisms underlying the ADL through 1) evaluation of the rate and magnitude of muscle oxygen depletion during dives in relation to the previously measured ADL, 2) characterization of the hemoglobin-oxygen dissociation curve in blood of emperor penguins and comparison of that curve to those of other diving and non-diving species, 3) application of the emperor hemoglogin-oxygen dissociation curve to previously collected oxygen and hemoglobin data in order to estimate the rate and magnitude of blood oxygen depletion during dives, and 4) measurement of muscle phosphoocreatine and glycogen concentrations in order to estimate their potential contributions to muscle energy metabolism during diving. The project also continues the census and monitoring of the emperor colonies in the Ross Sea, which is especially important in light of both fisheries activity and the movement of iceberg B15-A. Broader impacts of the project include: 1) technological development of microprocessor-based, 'backpack' near-infrared spectrophotometer, which will be applicable not only to other species, but also to other fields (i.e., exercise physiology), 2) collaboration with the Department of Anesthesia at the U.S. Naval Hospital in San Diego in the training of anesthesia residents in research techniques, 3) the training and thesis research of two graduate students in these techniques and in Antarctic field research, and 4) a better understanding of the ADL concept and its use in the fields of diving behavior and physiology. In addition the annual census of emperor penguin colonies in the Ross Sea, in conjunction with the continued evaluation of previously developed remote cameras to monitor colony status, will form the basis of a new educational web site, and allow development of an educational outreach program to school children through SeaWorld of San Diego.

  16. Diet and Feeding Ecology of Emperor Penguins

    • data.aad.gov.au
    • researchdata.edu.au
    • +1more
    Updated Apr 13, 2004
    + more versions
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    ROBERTSON, GRAHAM; BURTON, HARRY (2004). Diet and Feeding Ecology of Emperor Penguins [Dataset]. https://data.aad.gov.au/metadata/ASAC_419
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    Dataset updated
    Apr 13, 2004
    Dataset provided by
    Australian Antarctic Divisionhttps://www.antarctica.gov.au/
    Australian Antarctic Data Centre
    Authors
    ROBERTSON, GRAHAM; BURTON, HARRY
    License

    Attribution 4.0 (CC BY 4.0)https://creativecommons.org/licenses/by/4.0/
    License information was derived automatically

    Time period covered
    May 1, 1988 - Jun 26, 1990
    Area covered
    Description

    Metadata record for data from ASAC Project 419 See the link below for public details on this project.

    From the abstracts of some of the referenced papers:

    The population size and breeding success of Emperor Penguins (Aptenodytes forsteri) at the Auster and Taylor Glacier colonies were estimated during the 1988 breeding season. At Auster a total of 10963 pairs produced about 6350 fledglings for a breeding success of 58%. At Taylor Glacier about 2900 pairs raised 1774 fledglings for a breeding success of 61%. Fledglings left Taylor Glacier over a period of 33 days at a mean mass of 10.56kg.

    The accuracy of the tritiated water (HTO) and sodium-22 (22Na) turnover methods as estimators of dietary water and sodium intake was evaluated in emperor penguins fed separate diets of squid and fish. Emperor penguins assimilated 76.2% and 81.8% of available energy in the squid and fish diets, respectively. Both isotopes had equilibrated with body water and exchangeable sodium pools by 2h after intramuscular injection. The tritium method yielded reliable results after blood isotope levels had declined by 35%. On average the tritium method underestimated water intake by 2.9%, with a range of -10.3% to +11.1%. The 22Na method underestimated Na intake on average by 15.9% with the errors among individuals ranging from -37.2% to -1.8%. Discrepancies with 22Na turnover were significantly greater with the squid diet than the fish diet. The results confirm the reliability of the tritium method as an estimator of food consumption by free-living emperor penguins (provided seawater and freshwater ingestion is known) and support the adoption of the 22Na method to derive an approximation of seawater of seawater intake by tritiated emperor penguin chicks and by tritiated adults on foraging trips of short duration.

    The diet composition of Emperor Penguin Aptenodytes forsteri chicks was examined at Auster and Taylor Glacier colonies, near Australia's Mawson station, Antarctica, between hatching in mid-winter and fledging in mid-summer by 'water-offloading' adults. Chicks at both colonies were fed a similar suite of prey species. Crustaceans occurred in 82% of stomach samples at Auster and 87% of stomachs at Taylor Glacier and were heavily digested; their contribution to food mass could not be quantified. Fish, primarily bentho-pelagic species, accounted for 52% by number and 55% by mass of chick diet at Auster, and squid formed the remainder. At Taylor Glacier the corresponding values were 27% by number and 31% by mass of fish and 73% by number and 69% by mass of squid. of the 33 species or taxa identified, the fish Trematous eulepidotus and the squid Psychroteuthis glacialis and Alluroteuthis antarcticus accounted for 64% and 74% of the diets by mass at Auster and Taylor Glacier, res pectively. The sizes of fish varied temporally but not in a linear manner from winter to summer. Adult penguins captured fish ranging in length from 60 mm (Pleuragramma antarcticum) to 250 mm (T. eulepidotus) and squid (P. glacialis) from 19 to 280 mm in mantle length. The length-frequency distribution of P. glacialis showed seasonal variation, with the size of squid increasing from winter to summer. The energy density of chick diet mix increased significantly prior to 'fledging'.

  17. d

    Data from: Landfast ice: a major driver of reproductive success in a polar...

    • search.dataone.org
    • datadryad.org
    • +1more
    Updated May 2, 2025
    + more versions
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    Sara Labrousse; Alexander D. Fraser; Michael Sumner; Frédéric Le Manach; Christophe Sauser; Isabella Horstmann; Eileen Devane; Karine Delord; Stéphanie Jenouvrier; Christophe Barbraud (2025). Landfast ice: a major driver of reproductive success in a polar seabird [Dataset]. http://doi.org/10.5061/dryad.cnp5hqc47
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    Dataset updated
    May 2, 2025
    Dataset provided by
    Dryad Digital Repository
    Authors
    Sara Labrousse; Alexander D. Fraser; Michael Sumner; Frédéric Le Manach; Christophe Sauser; Isabella Horstmann; Eileen Devane; Karine Delord; Stéphanie Jenouvrier; Christophe Barbraud
    Time period covered
    Jan 1, 2021
    Description

    In a fast-changing world, polar ecosystems are threatened by climate variability. Understanding the roles of fine-scale processes, and linear and nonlinear effects of climate factors on the demography of polar species is crucial for anticipating the future state of these fragile ecosystems. While the effects of sea ice on polar marine top predators are increasingly being studied, little is known about the impacts of landfast ice (LFI) on this species community. Based on a unique 39-year time series of satellite imagery and in situ meteorological conditions and on the world's longest dataset of emperor penguin ( Aptenodytes forsteri ) breeding parameters, we studied the effects of fine-scale variability of LFI and weather conditions on this species' reproductive success. We found that longer distances to the LFI edge (i.e. foraging areas) negatively affected the overall breeding success but also the fledging success. Climate wi...

  18. i

    Dynamic fine-scale sea-icescape shapes adult emperor penguin foraging...

    • get.iedadata.org
    • search.dataone.org
    xml
    Updated Sep 10, 2019
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    Wienecke, Barbara; Tamura, Takeshi; Sumner, Michael; Ropert-Coudert, Yan; Resinger, Ryan; Porter-Smith, Rick; Pinaud, David; Labrousse, Sara; Kirkwood, Roger; Jonsen, Ian; Ji, Rubao; Jenouvrier, Stephanie; Fraser, Alexander; Bost, Charles-André; Barbraud, Christophe (2019). Dynamic fine-scale sea-icescape shapes adult emperor penguin foraging habitat in East Antarctica [Dataset]. http://doi.org/10.15784/601209
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    xmlAvailable download formats
    Dataset updated
    Sep 10, 2019
    Authors
    Wienecke, Barbara; Tamura, Takeshi; Sumner, Michael; Ropert-Coudert, Yan; Resinger, Ryan; Porter-Smith, Rick; Pinaud, David; Labrousse, Sara; Kirkwood, Roger; Jonsen, Ian; Ji, Rubao; Jenouvrier, Stephanie; Fraser, Alexander; Bost, Charles-André; Barbraud, Christophe
    License

    Attribution-NonCommercial-ShareAlike 3.0 (CC BY-NC-SA 3.0)https://creativecommons.org/licenses/by-nc-sa/3.0/
    License information was derived automatically

    Area covered
    Description

    Abstract: The emperor penguin, an iconic species threatened by projected sea-ice loss in Antarctica, has long been considered to forage at the fast ice edge, presumably relying on large/yearly-persistent polynyas as their main foraging habitat during the breeding season. Using newly developed fine-scale sea-icescape data and historical penguin tracking data, this study for the first time suggests the importance of less-recognized small openings, including cracks, flaw leads and ephemeral short-term polynyas, as foraging habitats for emperor penguins. The tracking data retrieved from 47 emperor penguins in two different colonies in East Antarctica suggest that those penguins spent 23% of their time in ephemeral polynyas and did not use the large/yearly-persistent, well-studied polynyas, even they occur much more regularly with predictable locations. These findings challenge our previous understanding of emperor penguin breeding habitats, highlighting the need for incorporating fine-scale seascape features when assessing the population persistence in a rapidly changing polar environment.

  19. n

    Data from: A remote-controlled observatory for behavioural and ecological...

    • data.niaid.nih.gov
    • dataone.org
    • +1more
    zip
    Updated Jan 18, 2019
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    Sebastian Richter; Richard C. Gerum; Werner Schneider; Ben Fabry; Céline Le Bohec; Daniel P. Zitterbart (2019). A remote-controlled observatory for behavioural and ecological research: a case study on emperor penguins [Dataset]. http://doi.org/10.5061/dryad.19ph7
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    zipAvailable download formats
    Dataset updated
    Jan 18, 2019
    Dataset provided by
    Friedrich-Alexander-Universität Erlangen-Nürnberg
    Woods Hole Oceanographic Institution
    Scientific Centre of Monaco
    Authors
    Sebastian Richter; Richard C. Gerum; Werner Schneider; Ben Fabry; Céline Le Bohec; Daniel P. Zitterbart
    License

    https://spdx.org/licenses/CC0-1.0.htmlhttps://spdx.org/licenses/CC0-1.0.html

    Area covered
    Antarctica
    Description
    1. Long-term photographic recordings of animal populations provide unique insights in ecological and evolutionary processes. However, image acquisition at remote locations under harsh climatic conditions is highly challenging. 2. We present a robust, energetically self-sufficient and remote-controlled observatory designed to operate year-round in the Antarctic at temperatures below -50 °C and wind speeds above 150 km/h. The observatory is equipped with multiple overview cameras and a high resolution steerable camera with a telephoto lens for capturing images with high spatial and temporal resolution. 3. Our observatory has been in operation since 2013 to investigate an emperor penguin (Aptenodytes forsteri) colony at Atka Bay near the German Neumayer III research station. Data recorded by this observatory give novel biological insights in animal life cycle and demographic trends, but also in collective and individual behaviour. As an example, we present data showing how wind speed and direction influence movements of the entire colony and of individual penguins. We also estimate daily fluctuations in the total number of individuals present at the breeding site. 4. Our results demonstrate that remote-controlled observation systems can bridge the gap between remote sensing, simple time-lapse recording setups, and on-site observations by human investigators to collect unique biological datasets of undisturbed animal populations.
  20. Data_Intrinsic_and_extrinsic_drivers_of_juvenile_survival_in_emperor_penguins...

    • figshare.com
    csv
    Updated Jan 26, 2025
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    Ewen LE SCORNEC (2025). Data_Intrinsic_and_extrinsic_drivers_of_juvenile_survival_in_emperor_penguins [Dataset]. http://doi.org/10.6084/m9.figshare.28282328.v1
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    csvAvailable download formats
    Dataset updated
    Jan 26, 2025
    Dataset provided by
    Figsharehttp://figshare.com/
    Authors
    Ewen LE SCORNEC
    License

    Attribution 4.0 (CC BY 4.0)https://creativecommons.org/licenses/by/4.0/
    License information was derived automatically

    Description

    Supporting dataset of the article : "Intrinsic and extrinsic drivers of juvenile survival in emperor penguins"

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Christian Che-Castaldo; Grant Humphries; Heather Lynch; Christian Che-Castaldo; Grant Humphries; Heather Lynch (2023). Antarctic Penguin Biogeography Project: Database of abundance and distribution for the Adélie, chinstrap, gentoo, emperor, macaroni, and king penguin south of 60 S [Dataset]. http://doi.org/10.48361/zftxkr
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Data from: Antarctic Penguin Biogeography Project: Database of abundance and distribution for the Adélie, chinstrap, gentoo, emperor, macaroni, and king penguin south of 60 S

Related Article
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2 scholarly articles cite this dataset (View in Google Scholar)
Dataset updated
Apr 17, 2023
Dataset provided by
Global Biodiversity Information Facilityhttps://www.gbif.org/
SCAR - AntOBIS
Authors
Christian Che-Castaldo; Grant Humphries; Heather Lynch; Christian Che-Castaldo; Grant Humphries; Heather Lynch
License

Attribution 4.0 (CC BY 4.0)https://creativecommons.org/licenses/by/4.0/
License information was derived automatically

Time period covered
Nov 1, 1892 - Feb 12, 2022
Area covered
Description

The Antarctic Penguin Biogeography Project is an effort to collate all known information about the distribution and abundance of Antarctic penguins through time and to make such data available to the scientific and management community. The core data product involves a series of structured tables with information on known breeding sites and surveys conducted at those sites from the earliest days of Antarctic exploration through to the present. This database, which is continuously updated as new information becomes available, provides a unified and comprehensive repository of information on Antarctic penguin biogeography that contributes to a growing suite of applications of value to the Antarctic community. One such application is the Mapping Application for Antarctic Penguins and Projected Dynamics (MAPPPD; www.penguinmap.com) - a browser-based search and visualization tool designed primarily for policymakers and other non-specialists (Humphries et al., 2017), and ‘mapppdr’, an R package developed to assist the Antarctic science community. The Antarctic Penguin Biogeography Project has been funded by the National Aeronautics and Space Administration (NASA), the Pew Fellowship for Marine Conservation, and the Institute for Advanced Computational Sciences at Stony Brook University.

Antarctic Penguin Biogeography Project: Database of abundance and distribution for the Adélie, chinstrap, gentoo, emperor, macaroni, and king penguin south of 60 S is an occurrence and sampling event type dataset published by SCAR-AntBIOS.

This dataset contains records of Pygoscelis adeliae, Pygoscelis antarctica, Pygoscelis papua, Eudyptes chrysolophus, Aptenodytes patagonicus, and Aptenodytes forsteri annual nest, adult, and/or chick counts conducted during field expeditions or collected using remote sensing imagery, that were subsequently gathered by the Antarctic Penguin Biogeography Project from published and unpublished sources, at all known Antarctic penguin breeding colonies south of 60 S from 1892-11-01 to 2022-02-12.

The data is published as a standardized Darwin Core Archive and includes an event core and occurrence and eMoF extensions. This dataset is published by SCAR-AntOBIS under the license CC-BY 4.0. Please follow the guidelines from the SCAR Data Policy (SCAR, 2023) when using the data. If you have any questions regarding this dataset, please contact us via the contact information provided in the metadata or via data-biodiversity-aq@naturalsciences.be. Issues with dataset can be reported at https://github.com/biodiversity-aq/data-publication/

This dataset is part of the Antarctic Penguin Biogeography Project project funded by National Aeronautics and Space Administration (NASA), the Pew Fellowship for Marine Conservation, and the Institute for Advanced Computational Sciences at Stony Brook University.

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