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Nonnative Grass Invasions and Fire in the Sonoran Desert

This issues overview and its resources deal with the spread of nonnative grasses in the Sonoran desert of Arizona has increased the risk of devastating fires by ignited fuel. The saguaro cactuses and desert tortoises have suffered catastrophic population losses as a result of these fires fueled by nonnative grasses. Read more about nonnative More...

  • Burned saguaros and yuccas, 1995 Rio Fire in the Phoenix area