Dr. Judith Sitters

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Postdoc project funded by the Flemish Research Organisation (FWO): On imbalances in resources, plants and herbivores in savanna (started in 2015)

I am an ecologist interested in soil-plant-herbivore interactions and ecological stoichiometry. My research focuses on applying the theory of ecological stoichiometry, i.e., the balance of chemical elements such as nitrogen (N) and phosphorus (P), as an approach to study a diverse range of ecosystem processes.

For example, I have studied the impact of N-fixing trees on soil N:P availability and understory vegetation, synthesized the impact of the stoichiometry of resource flow on recipient ecosystems and organisms, and compared the stoichiometry of herbivore dung for a wide range of African mammalian herbivores, and studied the impact of it on the release rates of N and P during decomposition.

The aim of my current postdoc project in Harry’s group is to determine how changes in the herbivore community and tree-grass ratios influence ecosystem C:N:P stoichiometry and nutrient cycling and how this in turn feed backs on tree-grass productivity.

You can read more about me and my research here.