Signe Lett

Signe Lett is an Assistant Professor at the University of Copenhagen's Department of Geosciences and Natural Resource Management, with a concurrent role as Guest Researcher in the Department of Biology's Terrestrial Ecology section. Her research focuses on Arctic ecosystem responses to climate change, particularly the functional role of mosses in biogeochemical cycling.

Research Interests:

• Arctic terrestrial ecosystems under climate change
• Moss-mediated carbon and nitrogen cycling processes
• Plant community interactions in extreme environments
• Experimental field methods for ecosystem analysis
• Interfaces between community ecology and ecosystem processes

Her publications demonstrate consistent focus on climate change impacts in northern ecosystems, particularly through experimental warming studies examining bryophyte physiology, microbial communities, carbon decomposition, and nitrogen cycling. Research spans methodological developments, field experiments, and ecosystem-level biogeochemical analysis.