Eco-evolutionary dynamics of plant-insect food webs
Abstract: Global change is reshaping biodiversity across scales — from the genetic makeup of populations to the composition of species in ecological communities. These cross-scale changes often unleash an array of indirect effects that make it difficult to predict ensuing ecological and evolutionary responses due to the complex network of interactions species are usually embedded in. In this seminar, I will share a series of field and lab experiments with plant-insect food webs that seek to better understand the interconnected nature of biodiversity across scales. I will begin by showing how genetic variation within species can scale up to influence food-web structure and species coexistence. I will then discuss how the diversity of species in a community can feedback to shape genetic and phenotypic variation in interacting populations. Throughout, I will argue that understanding these eco-evolutionary processes is critical for predicting how biodiversity will be reorganized by environmental change.
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