hh.sePublications
Change search
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • 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
Behavioral disturbances in three-spined stickleback (Gasterosteus aculeatus) due to ocean acidification
Halmstad University, School of Business and Engineering (SET).
2014 (English)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

Climate change has led to an increase in CO2 absorption by the oceans. An increase in CO2 and a decrease in pH have been named ocean acidification. Recent studies have shown that not only do calcifiers suffer due to an increased solubility of calcium carbonate or other physical consequences, but fish experiences behavioral alterations. The aim of the present study was to investigate if the Three-spined Stickleback (Gasterosteus aculeatus) were affected by an elevated level of CO2.Effects were measured by conducting two behavioral experiments. One was to test if the fish were lateralizatised and the other was a test of exploratory behavior. Lateralization is a kind of right- or left handedness and decides the default action path in the relation to a stimulus. Lateralization was tested with a double T-chamber where the fish were gently forced to choose either a right of left path. The escape experiment was conducted to test exploratory behavior and boldness. The fish were put in a container in a tank with the possibility to escape. Results showed that lateralization was highly affected by experiment treatments. Fish kept at higher levels of CO2 lost their lateralization both at individual and population level. No time differences were observed in the escape experiment. The fact that an otherwise tolerant fish species showed behavioral disturbances could indicate that other teleost fish could be affected also.

Place, publisher, year, edition, pages
2014. , 12 p.
Keyword [en]
ocean acidification, fish, behavior, lateralization, climate change, marine, ocean, acidification
National Category
Biological Sciences
Identifiers
URN: urn:nbn:se:hh:diva-24860OAI: oai:DiVA.org:hh-24860DiVA: diva2:705375
Subject / course
Biology
Supervisors
Examiners
Available from: 2014-03-17 Created: 2014-03-16 Last updated: 2014-03-17Bibliographically approved

Open Access in DiVA

No full text

By organisation
School of Business and Engineering (SET)
Biological Sciences

Search outside of DiVA

GoogleGoogle Scholar

Total: 99 hits
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • 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