should have a strong interest in plant-insect interactions and interest in conducting field work. Basic skills in statistics with R are advantageous. In-depth knowledge in analytical chemistry is not mandatory [...] degree in biology, ecology, or environmental sciences; strong interest in ecosystem relationships; fluent in German and/or English; eager to work with insects and do statistical analyses; experience in statistics [...] variation in leaf phenology, chemistry, and herbivory. The thesis starts in March/April 2025 (flexible starting date possible). This project will be performed in controlled environments in climate chambers