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Temporal correlation between the acoustic activity of harbor porpoise and the movement activity of their prey species at Kullaberg, Sweden
Uppsala University, Disciplinary Domain of Science and Technology, Biology, Biology Education Centre.
2015 (English)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

The harbor porpoise is considered a threatened species in Swedish waters. A full understanding of its ecology and relationship to other species is important when designing effective conservation plans. This thesis aims to investigate the relationships between harbor porpoises and their prey by comparing the acoustic activity patterns of harbor porpoises and the movement patterns of some of their prey species available at Kullaberg, Sweden. For this purpose, the scientific literature of porpoise and fish activity patterns has been reviewed. Results show that harbor porpoises may follow vertically migrating herring, but further studies are needed to confirm this. It is also possible that the activity pattern of porpoises does not follow exactly the movements of a certain species of prey, but that they rather feed upon several species, and therefore change their behavior accordingly throughout the diurnal cycle.  

Place, publisher, year, edition, pages
2015. , 20 p.
Keyword [en]
Harbor porpoise, herring, cod, predator-prey relationship, Kullaberg
National Category
Ecology
Identifiers
URN: urn:nbn:se:uu:diva-268316OAI: oai:DiVA.org:uu-268316DiVA: diva2:876486
Subject / course
Biology (HGO)
Educational program
Ecology Programme (HGO)
Supervisors
Examiners
Available from: 2016-01-26 Created: 2015-12-03 Last updated: 2016-01-26Bibliographically approved

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Biology Education Centre
Ecology

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf