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Johanna Sjöstedt

Postdoctoral fellow | PhD

Human activities have an effect both on the local and global environment and disturbances (changes in environmental factors) are widely believed to be one of the main factors influencing variations in species diversity. Microorganisms are found in high abundances in all environments and are important for decomposition and transformations in the carbon, nitrogen, sulfur and phosphate cycles. In aquatic environments microorganisms are also an important link between dissolved organic matter and higher trophic levels. Despite the importance of microorganisms for ecosystem functioning they have mostly been overlooked in biodiversity research. The importance of bacterioplankton community composition and diversity for community function and response to disturbances is therefore still poorly understood. I study the effect of disturbances on bacterial community composition, diversity and functionality (ability to utilize dissolved organic carbon). I’m also interested in how composition and diversity of the bacterial community affect resistance and resilience when bacterial communities are exposed to disturbances.

Publications

Page Manager:
Portrait of Johanna Sjöstedt
E-mail: johanna.sjostedt [at] biol.lu.se

Postdoctoral fellow

Aquatic ecology

+46 46 222 84 38

+46 73 913 31 19

E-C111

50

Research group

Aquatic Ecology

Projects

 

Postdoc host

  • Emma Kritzberg
  • Eva Lindström, Uppsala University
  • Silke Langenheder, Uppsala University

Downloads & Links

Raw data for the artikel Effect of repeated disturbances on resistance and resilience in aquatic bacterioplankton communities (Zip; 2 MB)