Emperors in Hiding: When Ice-Breakers and Satellites Complement Each Other in Antarctic Exploration.
International audience : Evaluating the demographic trends of marine top predators is critical to understanding the processes involved in the ongoing rapid changes in Antarctic ecosystems. However, the remoteness and logistical complexity of operating in Antarctica, especially during winter, make su...
Published in: | PLoS ONE |
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Main Authors: | , , , , , , , , , |
Other Authors: | , , , , , , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
HAL CCSD
2014
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Subjects: | |
Online Access: | https://hal.science/hal-01015195 https://hal.science/hal-01015195/document https://hal.science/hal-01015195/file/PlosOne-colonies-2014.pdf https://doi.org/10.1371/journal.pone.0100404 |
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fthalin2p3:oai:HAL:hal-01015195v1 |
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openpolar |
institution |
Open Polar |
collection |
HAL-IN2P3 (Institut national de physique nucléaire et de physique des particules) |
op_collection_id |
fthalin2p3 |
language |
English |
topic |
[SDE]Environmental Sciences [SDV]Life Sciences [q-bio] |
spellingShingle |
[SDE]Environmental Sciences [SDV]Life Sciences [q-bio] Ancel, André Cristofari, Robin Fretwell, Peter T Trathan, Phil N Wienecke, Barbara Boureau, Matthieu Morinay, Jennifer Blanc, Stéphane Le Maho, Yvon Le Bohec, Céline Emperors in Hiding: When Ice-Breakers and Satellites Complement Each Other in Antarctic Exploration. |
topic_facet |
[SDE]Environmental Sciences [SDV]Life Sciences [q-bio] |
description |
International audience : Evaluating the demographic trends of marine top predators is critical to understanding the processes involved in the ongoing rapid changes in Antarctic ecosystems. However, the remoteness and logistical complexity of operating in Antarctica, especially during winter, make such an assessment difficult. Satellite imaging is increasingly recognised as a valuable method for remote animal population monitoring, yet its accuracy and reliability are still to be fully evaluated. We report here the first ground visit of an emperor penguin colony first discovered by satellite, but also the discovery of a second one not indicated by satellite survey at that time. Several successive remote surveys in this coastal region of East Antarctica, both before and after sudden local changes, had indeed only identified one colony. These two colonies (with a total of ca. 7,400 breeding pairs) are located near the Mertz Glacier in an area that underwent tremendous habitat change after the glacier tongue broke off in February 2010. Our findings therefore suggest that a satellite survey, although offering a major advance since it allows a global imaging of emperor penguin colonies, may miss certain colony locations when challenged by certain features of polar ecosystems, such as snow cover, evolving ice topology, and rapidly changing habitat. Moreover our survey shows that this large seabird has considerable potential for rapid adaptation to sudden habitat loss, as the colony detected in 2009 may have moved and settled on new breeding grounds. Overall, the ability of emperor penguin colonies to relocate following habitat modification underlines the continued need for a mix of remote sensing and field surveys (aerial photography and ground counts), especially in the less-frequented parts of Antarctica, to gain reliable knowledge about the population demography and dynamics of this flagship species of the Antarctic ecosystem. |
author2 |
Département Ecologie, Physiologie et Ethologie (DEPE-IPHC) Institut Pluridisciplinaire Hubert Curien (IPHC) Université de Strasbourg (UNISTRA)-Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA))-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Université de Strasbourg (UNISTRA)-Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA))-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS) Centre Scientifique de Monaco British Antarctic Survey (BAS) Natural Environment Research Council (NERC) Australian Antarctic Division (AAD) Australian Government, Department of the Environment and Energy IPEV (programme 137) |
format |
Article in Journal/Newspaper |
author |
Ancel, André Cristofari, Robin Fretwell, Peter T Trathan, Phil N Wienecke, Barbara Boureau, Matthieu Morinay, Jennifer Blanc, Stéphane Le Maho, Yvon Le Bohec, Céline |
author_facet |
Ancel, André Cristofari, Robin Fretwell, Peter T Trathan, Phil N Wienecke, Barbara Boureau, Matthieu Morinay, Jennifer Blanc, Stéphane Le Maho, Yvon Le Bohec, Céline |
author_sort |
Ancel, André |
title |
Emperors in Hiding: When Ice-Breakers and Satellites Complement Each Other in Antarctic Exploration. |
title_short |
Emperors in Hiding: When Ice-Breakers and Satellites Complement Each Other in Antarctic Exploration. |
title_full |
Emperors in Hiding: When Ice-Breakers and Satellites Complement Each Other in Antarctic Exploration. |
title_fullStr |
Emperors in Hiding: When Ice-Breakers and Satellites Complement Each Other in Antarctic Exploration. |
title_full_unstemmed |
Emperors in Hiding: When Ice-Breakers and Satellites Complement Each Other in Antarctic Exploration. |
title_sort |
emperors in hiding: when ice-breakers and satellites complement each other in antarctic exploration. |
publisher |
HAL CCSD |
publishDate |
2014 |
url |
https://hal.science/hal-01015195 https://hal.science/hal-01015195/document https://hal.science/hal-01015195/file/PlosOne-colonies-2014.pdf https://doi.org/10.1371/journal.pone.0100404 |
long_lat |
ENVELOPE(144.500,144.500,-67.667,-67.667) |
geographic |
Antarctic The Antarctic East Antarctica Mertz Glacier |
geographic_facet |
Antarctic The Antarctic East Antarctica Mertz Glacier |
genre |
Antarc* Antarctic Antarctica East Antarctica Mertz Glacier |
genre_facet |
Antarc* Antarctic Antarctica East Antarctica Mertz Glacier |
op_source |
ISSN: 1932-6203 EISSN: 1932-6203 PLoS ONE https://hal.science/hal-01015195 PLoS ONE, 2014, 9 (6), pp.e100404. ⟨10.1371/journal.pone.0100404⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1371/journal.pone.0100404 info:eu-repo/semantics/altIdentifier/pmid/24963661 hal-01015195 https://hal.science/hal-01015195 https://hal.science/hal-01015195/document https://hal.science/hal-01015195/file/PlosOne-colonies-2014.pdf doi:10.1371/journal.pone.0100404 PUBMED: 24963661 |
op_rights |
info:eu-repo/semantics/OpenAccess |
op_doi |
https://doi.org/10.1371/journal.pone.0100404 |
container_title |
PLoS ONE |
container_volume |
9 |
container_issue |
6 |
container_start_page |
e100404 |
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1798834998147547136 |
spelling |
fthalin2p3:oai:HAL:hal-01015195v1 2024-05-12T07:55:14+00:00 Emperors in Hiding: When Ice-Breakers and Satellites Complement Each Other in Antarctic Exploration. Ancel, André Cristofari, Robin Fretwell, Peter T Trathan, Phil N Wienecke, Barbara Boureau, Matthieu Morinay, Jennifer Blanc, Stéphane Le Maho, Yvon Le Bohec, Céline Département Ecologie, Physiologie et Ethologie (DEPE-IPHC) Institut Pluridisciplinaire Hubert Curien (IPHC) Université de Strasbourg (UNISTRA)-Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA))-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Université de Strasbourg (UNISTRA)-Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA))-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS) Centre Scientifique de Monaco British Antarctic Survey (BAS) Natural Environment Research Council (NERC) Australian Antarctic Division (AAD) Australian Government, Department of the Environment and Energy IPEV (programme 137) 2014 https://hal.science/hal-01015195 https://hal.science/hal-01015195/document https://hal.science/hal-01015195/file/PlosOne-colonies-2014.pdf https://doi.org/10.1371/journal.pone.0100404 en eng HAL CCSD Public Library of Science info:eu-repo/semantics/altIdentifier/doi/10.1371/journal.pone.0100404 info:eu-repo/semantics/altIdentifier/pmid/24963661 hal-01015195 https://hal.science/hal-01015195 https://hal.science/hal-01015195/document https://hal.science/hal-01015195/file/PlosOne-colonies-2014.pdf doi:10.1371/journal.pone.0100404 PUBMED: 24963661 info:eu-repo/semantics/OpenAccess ISSN: 1932-6203 EISSN: 1932-6203 PLoS ONE https://hal.science/hal-01015195 PLoS ONE, 2014, 9 (6), pp.e100404. ⟨10.1371/journal.pone.0100404⟩ [SDE]Environmental Sciences [SDV]Life Sciences [q-bio] info:eu-repo/semantics/article Journal articles 2014 fthalin2p3 https://doi.org/10.1371/journal.pone.0100404 2024-04-17T15:57:19Z International audience : Evaluating the demographic trends of marine top predators is critical to understanding the processes involved in the ongoing rapid changes in Antarctic ecosystems. However, the remoteness and logistical complexity of operating in Antarctica, especially during winter, make such an assessment difficult. Satellite imaging is increasingly recognised as a valuable method for remote animal population monitoring, yet its accuracy and reliability are still to be fully evaluated. We report here the first ground visit of an emperor penguin colony first discovered by satellite, but also the discovery of a second one not indicated by satellite survey at that time. Several successive remote surveys in this coastal region of East Antarctica, both before and after sudden local changes, had indeed only identified one colony. These two colonies (with a total of ca. 7,400 breeding pairs) are located near the Mertz Glacier in an area that underwent tremendous habitat change after the glacier tongue broke off in February 2010. Our findings therefore suggest that a satellite survey, although offering a major advance since it allows a global imaging of emperor penguin colonies, may miss certain colony locations when challenged by certain features of polar ecosystems, such as snow cover, evolving ice topology, and rapidly changing habitat. Moreover our survey shows that this large seabird has considerable potential for rapid adaptation to sudden habitat loss, as the colony detected in 2009 may have moved and settled on new breeding grounds. Overall, the ability of emperor penguin colonies to relocate following habitat modification underlines the continued need for a mix of remote sensing and field surveys (aerial photography and ground counts), especially in the less-frequented parts of Antarctica, to gain reliable knowledge about the population demography and dynamics of this flagship species of the Antarctic ecosystem. Article in Journal/Newspaper Antarc* Antarctic Antarctica East Antarctica Mertz Glacier HAL-IN2P3 (Institut national de physique nucléaire et de physique des particules) Antarctic The Antarctic East Antarctica Mertz Glacier ENVELOPE(144.500,144.500,-67.667,-67.667) PLoS ONE 9 6 e100404 |