Umeå University's logo

umu.sePublications
Change search
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • 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
Influence of climate change on Organism Abundance in the Kiruna Region, Northern Sweden: Insights from-long term high-quality DNA sequencing
Umeå University, Faculty of Science and Technology, Department of Ecology and Environmental Sciences.
2023 (English)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesisAlternative title
Effekter av klimatförändring på organismabundans i Kirunaregionen, norra Sverige: insikter från långa tidsserier av högkvalitets-DNA-sekvensering (Swedish)
Abstract [en]

This study investigates if the area around Kiruna, Northern Sweden has experienced large shifts in weather conditions and whether these have affected organism abundances. With a significant increase in global temperature and an increase in average temperature of 1.9 °C in Sweden during the last 130 years, it is crucial to understand the effect of climate change on organisms. The Swedish Defense Research Agency deployed an air filter station to monitor radioactive fallout. The archived filters allowed for the creation of a high-resolution time series of organism composition ranging from 1974 to 2008, based on DNA sequencing. The organisms were clustered into 17 distinct clusters based on their similarities in time series patterns.  This study found that Cluster 2 (plant pathogenic bacteria), Cluster 3 (wetland microorganisms) and Cluster 5 (planktonic bacteria) exhibited changepoint correlations with relevant climate variables. Plotting the 3 clusters and their relevant climate variables revealed that sea surface temperatures have a positive influence on the abundance of both Cluster 2 and 5. Frost change days negatively influenced Cluster 2. Dry spells positively influenced Cluster3 and 5. Additionally, the results suggest that air pressure and water deficiency in soil are predictors for Cluster 5. Overall, these findings provide insights into how climate change affects different organisms and can help inform future management decisions for these ecosystems.

Place, publisher, year, edition, pages
2023. , p. 23
Keywords [en]
Climate change, ecology, microorganisms, DNA-sequencing
National Category
Ecology Genetics and Genomics
Identifiers
URN: urn:nbn:se:umu:diva-220208OAI: oai:DiVA.org:umu-220208DiVA, id: diva2:1832573
Presentation
2023-06-02, HUM.G.233, Petrus Laestadius väg, Umeå, 19:54 (English)
Supervisors
Examiners
Available from: 2024-01-31 Created: 2024-01-30 Last updated: 2025-02-01Bibliographically approved

Open Access in DiVA

fulltext(657 kB)75 downloads
File information
File name FULLTEXT01.pdfFile size 657 kBChecksum SHA-512
e1cd7a8f3b0b47a854f285eca34c5c71b6383748da9303920532e120977d25b6e89f5a39e476b565a6a2e01e22a9ce6e675edff621859628510b95c42f692611
Type fulltextMimetype application/pdf

Search in DiVA

By author/editor
Sandström, Anton
By organisation
Department of Ecology and Environmental Sciences
EcologyGenetics and Genomics

Search outside of DiVA

GoogleGoogle Scholar
Total: 75 downloads
The number of downloads is the sum of all downloads of full texts. It may include eg previous versions that are now no longer available

urn-nbn

Altmetric score

urn-nbn
Total: 336 hits
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • 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