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Phytoplankton Ecology

Our research addresses mechanisms and consequences of phytoplankton biodiversity changes in coastal and open seas. Using a variety of approaches including time series analyses of monitoring data, physiological experiments with cultured phytoplankton isolates, analyses of intraspecific genetic and phenotypic diversity and resurrection of past populations from resting stages in “sediment archives”, we investigate the response of phytoplankton communities and populations to environmental change.  The data is used in ecosystem models projecting phytoplankton changes under different scenarios of future environmental conditions and assessing phytoplankton driven ecosystem functions.

Gruppe Maerz 2019
Regina Hansen, Katharina Berg, Anke Kremp, Susanne Busch, Christian Burmeister

Research Topics

  • Spreading of toxic algae blooms in the Baltic Sea
  • DNA methods for phytoplancton monitoring
  • Influence of environmental change on phytoplankton communitys 
  • Resting stages of phytoplankton and sediments as reservoir for diversity 
  • Mechanisms of change in biodiversity and influence on ecosystem functions



Susanne Busch (Phytoplankton Baltic Sea)
Regina Hansen (Sink traps Baltic Sea)
Christian Burmeister (Chlorophyll)
Eike Wolf (Student assistent)
Katharina Berg (Master Student)