The Long-Term Ecological Research Program (LTER) funded by the National Science Foundation’s Division of Biotic Systems, is mandated to pursue ecological research over long time periods at a variety of sites throughout the United States. Climate research is recognized by both ecologists and climatologists as having a key role in long-term ecological research. Each LTER site maintains its own climate program and at many sites climate data represent the longest data set available.
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Natural Areas Conference Call for Proposals
Request for Synthesis Proposals 2026

Hunting for Biocrusts: The living skin of the earth

Our second summer, we were not evacuated!

2026 Synthesis Skills Course Opens

Site Exchanges 2026

Permafrost and Passion: How Two Summers in the Arctic Reignited My Love for Teaching

Bringing seeds of wonder and curiosity from the Arctic Circle to a Minnesota Classroom

LTER Community Call: Site Exchanges
The Forest Data Jam theme is "water and climate"