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Estimating the abun...
Estimating the abundance of the critically endangered Baltic Proper harbour porpoise (Phocoena phocoena) population using passive acoustic monitoring
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Amundin, Mats (author)
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- Carlström, Julia (author)
- Stockholms universitet
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Thomas, Len (author)
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- Carlén, Ida (author)
- Stockholms universitet,Avdelningen för etologi,AquaBiota Water Research, Stockholm, Sweden
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Teilmann, Jonas (author)
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Tougaard, Jakob (author)
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Loisa, Olli (author)
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Kyhn, Line A. (author)
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Sveegaard, Signe (author)
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Burt, M. Louise (author)
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Pawliczka, Iwona (author)
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Koza, Radomil (author)
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Arciszewski, Bartlomiej (author)
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Galatius, Anders (author)
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Laaksonlaita, Jussi (author)
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MacAuley, Jamie (author)
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Wright, Andrew J. (author)
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Gallus, Anja (author)
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Koblitz, Jens (author)
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Dähne, Michael (author)
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Acevedo‐Gutiérrez, Alejandro (author)
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Benke, Harald (author)
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Tregenza, Nick (author)
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Wennerberg, Daniel (author)
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Brundiers, Katharina (author)
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Kosecka, Monika (author)
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Tiberi Ljungqvist, Cinthia (author)
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Jussi, Ivar (author)
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Jabbusch, Martin (author)
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Lyytinen, Sami (author)
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Šaškov, Aleksej (author)
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Blankett, Penina (author)
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(creator_code:org_t)
- 2022-02-19
- 2022
- English.
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In: Ecology and Evolution. - : Wiley. - 2045-7758. ; 12:2
- Related links:
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https://doi.org/10.1...
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https://onlinelibrar...
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https://urn.kb.se/re...
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Abstract
Subject headings
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- Knowing the abundance of a population is a crucial component to assess its conservationstatus and develop effective conservation plans. For most cetaceans, abundanceestimation is difficult given their cryptic and mobile nature, especially when thepopulation is small and has a transnational distribution. In the Baltic Sea, the numberof harbour porpoises (Phocoena phocoena) has collapsed since the mid-20thcenturyand the Baltic Proper harbour porpoise is listed as Critically Endangered by the IUCNand HELCOM; however, its abundance remains unknown. Here, one of the largestever passive acoustic monitoring studies was carried out by eight Baltic Sea nationsto estimate the abundance of the Baltic Proper harbour porpoise for the first time. Bylogging porpoise echolocation signals at 298 stations during May 2011–April2013,calibrating the loggers’ spatial detection performance at sea, and measuring the clickrate of tagged individuals, we estimated an abundance of 71–1105individuals (95% CI,point estimate 491) during May–Octoberwithin the population's proposed managementborder. The small abundance estimate strongly supports that the Baltic Properharbour porpoise is facing an extremely high risk of extinction, and highlights theneed for immediate and efficient conservation actions through international cooperation.It also provides a starting point in monitoring the trend of the populationabundance to evaluate the effectiveness of management measures and determine itsinteractions with the larger neighboring Belt Sea population. Further, we offer evidencethat design-basedpassive acoustic monitoring can generate reliable estimatesof the abundance of rare and cryptic animal populations across large spatial scales.
Subject headings
- NATURVETENSKAP -- Biologi -- Zoologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Zoology (hsv//eng)
Keyword
- abundance estimation
- C-POD
- detection function
- passive acoustic monitoring
- Phocoena phocoena
- marinbiologi
- Marine Biology
- Marine Ecology
- marin ekologi
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Amundin, Mats
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Carlström, Julia
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Thomas, Len
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Carlén, Ida
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Teilmann, Jonas
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Tougaard, Jakob
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show more...
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Loisa, Olli
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Kyhn, Line A.
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Sveegaard, Signe
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Burt, M. Louise
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Pawliczka, Iwona
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Koza, Radomil
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Arciszewski, Bar ...
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Galatius, Anders
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Laaksonlaita, Ju ...
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MacAuley, Jamie
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Wright, Andrew J ...
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Gallus, Anja
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Koblitz, Jens
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Dähne, Michael
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Acevedo‐Gutiérre ...
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Benke, Harald
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Tregenza, Nick
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Wennerberg, Dani ...
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Brundiers, Katha ...
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Kosecka, Monika
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Tiberi Ljungqvis ...
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Jussi, Ivar
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Jabbusch, Martin
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Lyytinen, Sami
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Šaškov, Aleksej
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Blankett, Penina
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show less...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Biological Scien ...
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and Zoology
- Articles in the publication
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Ecology and Evol ...
- By the university
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Stockholm University