Acoustic surveys confirm the high-density areas of harbour porpoises found by satellite tracking
<qd> Sveegaard, S., Teilmann, J., Berggren, P., Mouritsen, K. N., Gillespie, D., and Tougaard, J. 2011. Acoustic surveys confirm the high-density areas of harbour porpoises found by satellite tracking. – ICES Journal of Marine Science, 68: 929–936. </qd>The population status of the harbo...
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fthighwire:oai:open-archive.highwire.org:icesjms:68/5/929 2023-05-15T16:33:26+02:00 Acoustic surveys confirm the high-density areas of harbour porpoises found by satellite tracking Sveegaard, Signe Teilmann, Jonas Berggren, Per Mouritsen, Kim N. Gillespie, Douglas Tougaard, Jakob 2011-05-01 00:00:00.0 text/html http://icesjms.oxfordjournals.org/cgi/content/short/68/5/929 https://doi.org/10.1093/icesjms/fsr025 en eng Oxford University Press http://icesjms.oxfordjournals.org/cgi/content/short/68/5/929 http://dx.doi.org/10.1093/icesjms/fsr025 Copyright (C) 2011, International Council for the Exploration of the Sea/Conseil International pour l'Exploration de la Mer Articles TEXT 2011 fthighwire https://doi.org/10.1093/icesjms/fsr025 2011-04-25T12:36:11Z <qd> Sveegaard, S., Teilmann, J., Berggren, P., Mouritsen, K. N., Gillespie, D., and Tougaard, J. 2011. Acoustic surveys confirm the high-density areas of harbour porpoises found by satellite tracking. – ICES Journal of Marine Science, 68: 929–936. </qd>The population status of the harbour porpoise ( Phocoena phocoena ) has long been of concern in European waters. Consequently, the European Commission (EC) Habitats Directive obligates all EC member states to designate marine protected areas (MPAs) for harbour porpoises before 2012. These will be designated areas having the greatest density of porpoises. However, little is known about comparability between the monitoring methods used to examine porpoise distribution and density, and conflicting results may arise, especially when considering their varying sample size and temporal and spatial scales. Here, vessel-based acoustic surveys are seen as an independent method of testing the temporal and spatial permanence of previously identified areas of high density of harbour porpoises found by satellite-tracking them in inner Danish waters. Based on six acoustic surveys, a strong spatial accord was found between the number of acoustic detections of harbour porpoises and their density distribution obtained from 10 years of satellite tracking. The results confirm the presence and permanence of areas of high density of porpoises and validate the two methods for identifying and monitoring future MPAs for the species. Text Harbour porpoise Phocoena phocoena HighWire Press (Stanford University) ICES Journal of Marine Science 68 5 929 936 |
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Articles Sveegaard, Signe Teilmann, Jonas Berggren, Per Mouritsen, Kim N. Gillespie, Douglas Tougaard, Jakob Acoustic surveys confirm the high-density areas of harbour porpoises found by satellite tracking |
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<qd> Sveegaard, S., Teilmann, J., Berggren, P., Mouritsen, K. N., Gillespie, D., and Tougaard, J. 2011. Acoustic surveys confirm the high-density areas of harbour porpoises found by satellite tracking. – ICES Journal of Marine Science, 68: 929–936. </qd>The population status of the harbour porpoise ( Phocoena phocoena ) has long been of concern in European waters. Consequently, the European Commission (EC) Habitats Directive obligates all EC member states to designate marine protected areas (MPAs) for harbour porpoises before 2012. These will be designated areas having the greatest density of porpoises. However, little is known about comparability between the monitoring methods used to examine porpoise distribution and density, and conflicting results may arise, especially when considering their varying sample size and temporal and spatial scales. Here, vessel-based acoustic surveys are seen as an independent method of testing the temporal and spatial permanence of previously identified areas of high density of harbour porpoises found by satellite-tracking them in inner Danish waters. Based on six acoustic surveys, a strong spatial accord was found between the number of acoustic detections of harbour porpoises and their density distribution obtained from 10 years of satellite tracking. The results confirm the presence and permanence of areas of high density of porpoises and validate the two methods for identifying and monitoring future MPAs for the species. |
format |
Text |
author |
Sveegaard, Signe Teilmann, Jonas Berggren, Per Mouritsen, Kim N. Gillespie, Douglas Tougaard, Jakob |
author_facet |
Sveegaard, Signe Teilmann, Jonas Berggren, Per Mouritsen, Kim N. Gillespie, Douglas Tougaard, Jakob |
author_sort |
Sveegaard, Signe |
title |
Acoustic surveys confirm the high-density areas of harbour porpoises found by satellite tracking |
title_short |
Acoustic surveys confirm the high-density areas of harbour porpoises found by satellite tracking |
title_full |
Acoustic surveys confirm the high-density areas of harbour porpoises found by satellite tracking |
title_fullStr |
Acoustic surveys confirm the high-density areas of harbour porpoises found by satellite tracking |
title_full_unstemmed |
Acoustic surveys confirm the high-density areas of harbour porpoises found by satellite tracking |
title_sort |
acoustic surveys confirm the high-density areas of harbour porpoises found by satellite tracking |
publisher |
Oxford University Press |
publishDate |
2011 |
url |
http://icesjms.oxfordjournals.org/cgi/content/short/68/5/929 https://doi.org/10.1093/icesjms/fsr025 |
genre |
Harbour porpoise Phocoena phocoena |
genre_facet |
Harbour porpoise Phocoena phocoena |
op_relation |
http://icesjms.oxfordjournals.org/cgi/content/short/68/5/929 http://dx.doi.org/10.1093/icesjms/fsr025 |
op_rights |
Copyright (C) 2011, International Council for the Exploration of the Sea/Conseil International pour l'Exploration de la Mer |
op_doi |
https://doi.org/10.1093/icesjms/fsr025 |
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ICES Journal of Marine Science |
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68 |
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5 |
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929 |
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936 |
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1766023124814397440 |