Olle Calles

Olle Calles is a Professor at Karlstad University's Department of Environmental and Life Sciences, part of the Faculty of Health, Science and Technology. He leads research on fish migration, hydropower impacts, and ecological connectivity. His work focuses on resolving migration bottlenecks caused by hydropower infrastructure through innovative fish passage solutions.

Research Interests: Dr. Calles specializes in evaluating fish passage efficacy, river connectivity restoration, and the ecological effects of hydropower. His projects integrate applied ecology, engineering, and conservation biology to address global challenges in aquatic ecosystems.

Collaboration: He collaborates with institutions like World Fish Migration Foundation, WWF, and power companies to advance sustainable river management. His applied research emphasizes practical solutions for downstream and upstream fish migration challenges.

Teaching: As course leader for 'Biological Methods and Analyses' and 'Scientific Methods in Freshwater Ecology,' he emphasizes hands-on learning and student involvement in research. Initiatives like 'Grön dag' foster industry-academia connections.

Labs/Teams: He directs the River Ecology and Management research group (RivEM), focusing on interdisciplinary approaches to river restoration and hydropower mitigation.