This variability could inform the development of hardier ash trees, resistant to both the ... U.S. Geological Survey, Flagstaff, Arizona; Richard Sniezko, Dorena Genetic Resource Center, U.S ...
Forest thinning aims to curb catastrophic wildfires in Arizona. It also could stretch water supplies
In a part of Arizona that has burned with increasing intensity and reach in this century, sending ash and dirt toward rivers ... openings between the remaining trees during her drive in, evidence ...
The invasive emerald ash borer, according to the U.S. Department of Agriculture, was first found in the United States in southeast Michigan in 2002. In the decades ...
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