USA NPN National Phenology Network

Taking the Pulse of Our Planet

You are here

Observations of plant and animal phenology are useful for tracking the biological (or ecological) response to climate change.

Image credit:
California Phenology Project, Brian Haggerty

Phenology Data Overview

Phenology data are already supporting science and helping natural resource managers and public officials make decisions about how to prepare for and cope with the rapid changes occurring across the nation. 

You can...

You might also want to explore some preliminary findings and peer-reviewed results from the USA-NPN data.

Search our data