- Ecology; Fluvial geomorphology
- Authority corridors – Mapping the legal-ecological landscape
- Flow webs – Quantitative analysis of energy in food webs
- Drones (UAVs) – Application of UAVs in ecological discovery
- Headwater-dependent systems – Resilience of water resource systems across the Americas
- Microplastics in fish: Microplastics in the food web of the Amazon River
- Riverine Ecology Lab
- Alex Fremier CV