Researchers — Climate Impacts Research Centre

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Ruth K. Varner

Ruth K. Varner

Ruth Varner is a Professor in the Earth Systems Research Center of the Institute for the Study of Earth, Oceans, and Space, and in the Department of Earth Sciences. She is also the Director of the Joan and James Leitzel Center for Mathematics, Science, and Engineering Education at the University of New Hampshire.

Keith Larson

Keith Larson

I am an evolutionary ecologist and science communicator and live at the Abisko Scientific Research Station, where I am the Project Coordinator for the Climate Impacts Research Centre. I am interested in how life history adaptations in Arctic and alpine species are shaped by the environment.

Ann-Kristin Bergström

Ann-Kristin Bergström

Special focus within my research lies in studying the importance of organic matter (humic substances) and nutrients (nitrogen and phosphorus) for lake ecosystem productivity and food web structure.

Reiner Giesler

Reiner Giesler

My research focuses on biogeochemical processes in terrestrial and aquatic ecosystems with special emphasis climate change effects in arctic and boreal environments.

Danny C. P. Lau

Danny C. P. Lau

My research focuses on food webs, biodiversity and functioning of aquatic ecosystems. I am particularly interested in their responses to anthropogenic stressors (e.g. eutrophication, acidification, brownification, atmospheric nitrogen deposition, etc.) and climate change.

Carolina Olid

Carolina Olid

My primary research goals are directed towards evaluating human and climate impact on ecological and biogeochemical processes using radionuclides as tracers. I have expertise in both terrestrial and aquatic ecosystems at various temporal and spatial scales.

Ryan Sponseller

Ryan Sponseller

My research focuses on the controls over ecosystem structure and functioning in streams, rivers, and watersheds. We study these systems to understand their condition as natural resources, but also as models to test general ecological and biogeochemical principles.