Bill Williams River National Wildlife Refuge | USFWS Phenology Network

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Phenology on the Refuges
Start a Project
Status of Spring
Download Phenology Data
Campaigns

Bill Williams River National Wildlife Refuge

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Providing protocols, tools and data to enhance our understanding of phenological change.

A lead sponsor of the USA-NPN, supporting science for a changing world.

Leading the development and organization of phenology monitoring.

Monitoring phenology on the ground to inform resource management.

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