Organisation and staff

Karen Lebret

researcher at Department of Ecology and Genetics, Limnology

Email:
karen.lebret[AT-sign]ebc.uu.se
Visiting address:
Evolutionsbiologiskt centrum (EBC)
Norbyv. 18 D
75236 Uppsala
Postal address:
Norbyv. 18 D
75236 Uppsala

Short presentation

My research focuses on the ecology of plankton, more particularly life history aspects, species and community diversity, and factors influencing plankton community composition.

Also available at

My courses

Biography

For my current project, I am investigating the impact of bacteria-phytoplankton interactions on the structure and functions of marine microbial communities. I am studing co-occurence of bacterial taxa and phytoplankton species, to identify species interactions. And I plan to study the bacterial metabolism involved in species specific interactions with phytoplankton species. For this project, I am currently stationed at the Marine Biological Association of the UK, in Plymouth (UK). 

During my 1st postdoc, I studied the impact of increase water color and organic matter concentrations on the structure and functions of freshwater plankton communities (bacteria, phytoplankton and zooplankton). I was also intrested in the biogeography of Gonyostomum semen, and the importance of light conditions and quality of organic matter on on this phytoplankton species.

During my PhD, I studied the life history and dispersal pattern of the invasive phytoplankton Gonyostomum semen using population genetic and phylogeographic tools. In addition, I investigated the grazing pressure on this species, showing that only limited grazing pressure apply on Gonyostomum, potentially helping this species to form dense populations.

Publications

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