Managing Arid and Semi-Arid Watersheds
Button linking to home page Button linking to information about this site Button linking to information about the Arizona Watershed Program Button linking to the section on the Central Arizona Highlands Button linking to a searchable bibliography of literature from the Arizona Watershed Progam Button linking to external site with images from the Arizona Watershed Program
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Welcome to the
Watershed Database

The Watershed Database was created to make over 25 years of data from experimental watersheds in Arizona available to all members of the public as a teaching, learning, research, and decision making tool.

Data from four watersheds, Beaver Creek, Castle Creek, Sierra Ancha, and Whitespar, are available now, and we are working on adding data from other watersheds.

About the Beaver Creek study
The Beaver Creek Experimental Watershed was established in 1956 to study the influence of various vegetative manipulations of pinyon-juniper and ponderosa pine on water yield and to evaluate changes in livestock forage, timber production, wildlife habitats, recreational values, and soil movement. [more...]

How to use the database
Using the database is as easy as making choices in the Data Access Formon the left of this page, then clicking the create recordsbutton. A more detailed explanation of how to use the database is also available.

Users of this data should understand issues related to sampling error, measurement error, and others. An excellent introduction to some of these issues is available on this site describing forest measurement and modelling error (courtesy of Cris Brack, Department of Forestry, Australian National University).

Developers of this site also request that any publications using data from the Beaver Creek Experimental Watershed must include the following paragraph:

Some data used in this publication was obtained by scientists of the Beaver Creek Watershed Project and other research watersheds and was made available through the Managing Arid and Semi-arid Watersheds website (http://ag.arizona.edu/OALS/watershed/). This publication has not been reviewed by those scientists. The Beaver Creek Experimental Watershed is operated and maintained by the Rocky Mountain Research Station, U.S. Department of Agriculture, Fort Collins, Colorado.
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