The map below show where our experimental forests, ranges, and watersheds are located across the country
| Name | Station | Region | Land Ownership | Lead Scientist | Acres / Hectares | Contact Info |
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The Forest Service’s network of long-term experimental areas, commonly referred to as Experimental Forests and Ranges (EFRs), is the largest and longest-lived ecological research network in the United States. The current network of 84 Experimental Forests and Ranges has been established progressively since 1908; many sites are more than 60 years old.
This research network provides an incredible wealth of records and knowledge of ecological change in natural and managed forest and grassland ecosystems across the United States. Hosted on a combination of public and private lands, the network provides a home for long-term science and management studies in most major vegetation types of the United States. Individual sites range in size from 47 to 22,500 ha.
The 84 sites consist of 76 experimental forests, 4 experimental ranges, and 4 experimental watersheds. In addition to the Forest Service sites, five other experimental areas across the country are identified as “cooperating” experimental areas with formal memoranda of understanding between the regional Forest Service research station and the manager of the cooperating site.
More information: local web sites
Each experimental area has a basic web page that contains at least a brief description of the area and the purpose for creating the experimental area. Many EFRs offer more extensive web sites, with more information about their research activities, etc.