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Behavioral syndrome in the round goby treated with tin and TBT: Investigation of potential correlations between activity, sociability and boldness.
Umeå University, Faculty of Science and Technology, Department of Ecology and Environmental Sciences.
2014 (English)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

A new approach in behavioral ecology suggests a different way to look at ecological processes. It emerged as a result of the development of the behavioral syndrome theory that rest on the assumption of correlations between behavioral traits across various situations and interconnections between behavioral events that all together should be a base for addressing  ecological questions. The aim of this study was to investigate the potential presence of correlations between activity, sociability and boldness in the round goby (Neogobius melanostomus). Another goal was to see if exposure to 100 ng/L tin (Sn IV) or tributyltin (TBT) could affect fish behavior. Correlations between fish weight and behavioral traits were also measured. For these purposes three behavioral assays were conducted before and after a 1-week chemical exposure of 27 male round goby individuals from the Swarzewo population (Poland). The results showed no behavioral syndrome based on studied traits. Though sociability consistency over the experiential period was observed in the species. The presence of tin decreased sociability and TBT decreased activity in the fish. These changes in behavior may affect dispersal, population growth and metapopulation dynamics. Other correlations, such as between weight, activity and boldness in the control group, between activity and latency to swim in tin-treated fish as well as between latency to the first movement and latency to swim in control group were also seen. Variations in behavioral responses affected by chemicals and still some consistency present suggest future studies on correlations between different trait combinations in various behavioral events.

Place, publisher, year, edition, pages
2014. , p. 14
Keywords [en]
round goby, tin, tributyltin, behavioral syndrome, activity, sociability, boldness
National Category
Biological Sciences
Identifiers
URN: urn:nbn:se:umu:diva-90368OAI: oai:DiVA.org:umu-90368DiVA, id: diva2:727466
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Available from: 2014-06-21 Created: 2014-06-21 Last updated: 2014-06-21Bibliographically approved

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CiteExportLink to record
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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