Long-Term Ecological Research Network
- Name: Long-Term Ecological Research Network
- Alternative Name: LTER
- Specification URI: https://lternet.edu/
- Type: consortium
- Disciplines: Environmental Science
- Keywords: monitoring network, measurement network
- Description: In 1980, the National Science Foundation funded the first Long-Term Ecological Research (LTER) sites to provide a longer view. Today, research programs at 28 LTER sites support ecological discovery on the influence of long-term and large-scale phenomenon.