Estimating the abundance of the critically endangered Baltic Proper harbour porpoise (Phocoena phocoena) population using passive acoustic monitoring
Knowing the abundance of a population is a crucial component to assess its conservation status and develop effective conservation plans. For most cetaceans, abundance estimation is difficult given their cryptic and mobile nature, especially when the population is small and has a transnational distri...
Published in: | Ecology and Evolution |
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2022
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ftklaipedauniv:oai:ku.lt:elaba:123047265 2023-07-30T04:03:59+02:00 Estimating the abundance of the critically endangered Baltic Proper harbour porpoise (Phocoena phocoena) population using passive acoustic monitoring Amundin, Mats Carlström, Julia Thomas, Len Carlén, Ida Teilmann, Jonas Tougaard, Jakob Loisa, Olli Kyhn, Line A. Sveegaard, Signe Burt, M. Louise Pawliczka, Iwona Koza, Radomil Arciszewski, Bartlomiej Galatius, Anders Laaksonlaita, Jussi MacAuley, Jamie Wright, Andrew J. Gallus, Anja Dähne, Michael Acevedo-Gutiérrez, Alejandro Benke, Harald Koblitz, Jens Tregenza, Nick Wennerberg, Daniel Brundiers, Katharina Kosecka, Monika Tiberi Ljungqvist, Cinthia Jussi, Ivar Jabbusch, Martin Lyytinen, Sami Šaškov, Aleksej Blankett, Penina 2022 application/pdf https://vb.ku.lt/KU:ELABAPDB123047265&prefLang=en_US eng eng info:eu-repo/semantics/altIdentifier/doi/10.1002/ece3.8554 https://vb.ku.lt/object/elaba:123047265/123047265.pdf https://vb.ku.lt/KU:ELABAPDB123047265&prefLang=en_US info:eu-repo/semantics/openAccess Ecology and evolution, Hoboken : Wiley, 2022, vol. 12, no. 2, art. no. e8554, p. 1-39 eISSN 2045-7758 abundance estimation C-POD detection function passive acoustic monitoring Phocoena phocoena info:eu-repo/semantics/article 2022 ftklaipedauniv https://doi.org/10.1002/ece3.8554 2023-07-12T23:22:46Z Knowing the abundance of a population is a crucial component to assess its conservation status and develop effective conservation plans. For most cetaceans, abundance estimation is difficult given their cryptic and mobile nature, especially when the population is small and has a transnational distribution. In the Baltic Sea, the number of harbour porpoises (Phocoena phocoena) has collapsed since the mid-20th century and the Baltic Proper harbour porpoise is listed as Critically Endangered by the IUCN and HELCOM; however, its abundance remains unknown. Here, one of the largest ever passive acoustic monitoring studies was carried out by eight Baltic Sea nations to estimate the abundance of the Baltic Proper harbour porpoise for the first time. By logging porpoise echolocation signals at 298 stations during May 2011–April 2013, calibrating the loggers’ spatial detection performance at sea, and measuring the click rate of tagged individuals, we estimated an abundance of 71–1105 individuals (95% CI, point estimate 491) during May–October within the population's proposed management border. The small abundance estimate strongly supports that the Baltic Proper harbour porpoise is facing an extremely high risk of extinction, and highlights the need for immediate and efficient conservation actions through international cooperation. It also provides a starting point in monitoring the trend of the population abundance to evaluate the effectiveness of management measures and determine its interactions with the larger neighboring Belt Sea population. Further, we offer evidence that design-based passive acoustic monitoring can generate reliable estimates of the abundance of rare and cryptic animal populations across large spatial scales. Article in Journal/Newspaper Harbour porpoise Phocoena phocoena KU VL (Klaipėdos universitetas Virtual Library) Ecology and Evolution 12 2 |
institution |
Open Polar |
collection |
KU VL (Klaipėdos universitetas Virtual Library) |
op_collection_id |
ftklaipedauniv |
language |
English |
topic |
abundance estimation C-POD detection function passive acoustic monitoring Phocoena phocoena |
spellingShingle |
abundance estimation C-POD detection function passive acoustic monitoring Phocoena phocoena Amundin, Mats Carlström, Julia Thomas, Len Carlén, Ida Teilmann, Jonas Tougaard, Jakob Loisa, Olli Kyhn, Line A. Sveegaard, Signe Burt, M. Louise Pawliczka, Iwona Koza, Radomil Arciszewski, Bartlomiej Galatius, Anders Laaksonlaita, Jussi MacAuley, Jamie Wright, Andrew J. Gallus, Anja Dähne, Michael Acevedo-Gutiérrez, Alejandro Benke, Harald Koblitz, Jens Tregenza, Nick Wennerberg, Daniel Brundiers, Katharina Kosecka, Monika Tiberi Ljungqvist, Cinthia Jussi, Ivar Jabbusch, Martin Lyytinen, Sami Šaškov, Aleksej Blankett, Penina Estimating the abundance of the critically endangered Baltic Proper harbour porpoise (Phocoena phocoena) population using passive acoustic monitoring |
topic_facet |
abundance estimation C-POD detection function passive acoustic monitoring Phocoena phocoena |
description |
Knowing the abundance of a population is a crucial component to assess its conservation status and develop effective conservation plans. For most cetaceans, abundance estimation is difficult given their cryptic and mobile nature, especially when the population is small and has a transnational distribution. In the Baltic Sea, the number of harbour porpoises (Phocoena phocoena) has collapsed since the mid-20th century and the Baltic Proper harbour porpoise is listed as Critically Endangered by the IUCN and HELCOM; however, its abundance remains unknown. Here, one of the largest ever passive acoustic monitoring studies was carried out by eight Baltic Sea nations to estimate the abundance of the Baltic Proper harbour porpoise for the first time. By logging porpoise echolocation signals at 298 stations during May 2011–April 2013, calibrating the loggers’ spatial detection performance at sea, and measuring the click rate of tagged individuals, we estimated an abundance of 71–1105 individuals (95% CI, point estimate 491) during May–October within the population's proposed management border. The small abundance estimate strongly supports that the Baltic Proper harbour porpoise is facing an extremely high risk of extinction, and highlights the need for immediate and efficient conservation actions through international cooperation. It also provides a starting point in monitoring the trend of the population abundance to evaluate the effectiveness of management measures and determine its interactions with the larger neighboring Belt Sea population. Further, we offer evidence that design-based passive acoustic monitoring can generate reliable estimates of the abundance of rare and cryptic animal populations across large spatial scales. |
format |
Article in Journal/Newspaper |
author |
Amundin, Mats Carlström, Julia Thomas, Len Carlén, Ida Teilmann, Jonas Tougaard, Jakob Loisa, Olli Kyhn, Line A. Sveegaard, Signe Burt, M. Louise Pawliczka, Iwona Koza, Radomil Arciszewski, Bartlomiej Galatius, Anders Laaksonlaita, Jussi MacAuley, Jamie Wright, Andrew J. Gallus, Anja Dähne, Michael Acevedo-Gutiérrez, Alejandro Benke, Harald Koblitz, Jens Tregenza, Nick Wennerberg, Daniel Brundiers, Katharina Kosecka, Monika Tiberi Ljungqvist, Cinthia Jussi, Ivar Jabbusch, Martin Lyytinen, Sami Šaškov, Aleksej Blankett, Penina |
author_facet |
Amundin, Mats Carlström, Julia Thomas, Len Carlén, Ida Teilmann, Jonas Tougaard, Jakob Loisa, Olli Kyhn, Line A. Sveegaard, Signe Burt, M. Louise Pawliczka, Iwona Koza, Radomil Arciszewski, Bartlomiej Galatius, Anders Laaksonlaita, Jussi MacAuley, Jamie Wright, Andrew J. Gallus, Anja Dähne, Michael Acevedo-Gutiérrez, Alejandro Benke, Harald Koblitz, Jens Tregenza, Nick Wennerberg, Daniel Brundiers, Katharina Kosecka, Monika Tiberi Ljungqvist, Cinthia Jussi, Ivar Jabbusch, Martin Lyytinen, Sami Šaškov, Aleksej Blankett, Penina |
author_sort |
Amundin, Mats |
title |
Estimating the abundance of the critically endangered Baltic Proper harbour porpoise (Phocoena phocoena) population using passive acoustic monitoring |
title_short |
Estimating the abundance of the critically endangered Baltic Proper harbour porpoise (Phocoena phocoena) population using passive acoustic monitoring |
title_full |
Estimating the abundance of the critically endangered Baltic Proper harbour porpoise (Phocoena phocoena) population using passive acoustic monitoring |
title_fullStr |
Estimating the abundance of the critically endangered Baltic Proper harbour porpoise (Phocoena phocoena) population using passive acoustic monitoring |
title_full_unstemmed |
Estimating the abundance of the critically endangered Baltic Proper harbour porpoise (Phocoena phocoena) population using passive acoustic monitoring |
title_sort |
estimating the abundance of the critically endangered baltic proper harbour porpoise (phocoena phocoena) population using passive acoustic monitoring |
publishDate |
2022 |
url |
https://vb.ku.lt/KU:ELABAPDB123047265&prefLang=en_US |
genre |
Harbour porpoise Phocoena phocoena |
genre_facet |
Harbour porpoise Phocoena phocoena |
op_source |
Ecology and evolution, Hoboken : Wiley, 2022, vol. 12, no. 2, art. no. e8554, p. 1-39 eISSN 2045-7758 |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1002/ece3.8554 https://vb.ku.lt/object/elaba:123047265/123047265.pdf https://vb.ku.lt/KU:ELABAPDB123047265&prefLang=en_US |
op_rights |
info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.1002/ece3.8554 |
container_title |
Ecology and Evolution |
container_volume |
12 |
container_issue |
2 |
_version_ |
1772815154069635072 |