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Annette Trierweiler, Ecology and Evolutionary Biology

Annette Trierweiler

Annette studies how nutrient limitation and rising CO2 affect nitrogen fixation and primary productivity in the tropics. Her work focuses on how geologically-derived nutrients such as phosphorus and molybdenum can limit nitrogen fixation in tropical forest ecosystems now and into the future. By understanding what controls nitrogen fixation, the primary source of new nitrogen in the tropics, we can also understand how the role of these forests as a major carbon sink may change. Annette is using a combination of experimental field studies, greenhouse studies and modeling to explore the interactions of nutrients, nitrogen-fixation and climate change.