Three-Bar Wildlife Area

The research program on the Three-Bar watersheds represented the first major experimental watershed program in Arizona chaparral shrublands (DeBano et al. 1999a). Four watersheds (A, B, C, and D) were established and instrumented in 1956 on the Three-Bar Wildlife Area west of Lake Roosevelt. This area supported dense chaparral stands and had not been grazed since 1947. All of the watersheds were burned by a wildfire in June of 1959. more...>

Treatments and Research

• Treatments and Practices - how the study was conducted and treatments used, and management practices used and results for each, with photos and maps of the areas within the reserve.
  • Three-Bar A
  • Three-Bar B
  • Three-Bar C
  • Three-Bar D
  • Three-Bar F
• Data Collected - this is a new section we're working on that will soon provide access to data on precipitation, streamflow, sediment loads, and other data that were collected.
  • Documentation for the data - what measurements were recorded, how to interpret it, the years covered, etc.
  • Data - select the watersheds, time period, etc. then view and download the results
• Results, Implications, and Current Status
• Images - available in the image database illustrating various aspects and conditions found in watersheds in the southwestern United States. These can be accessed after getting into the database by using the key word three bar. Additional key words are available for searching the images in a drop down list within the database.