Invasive species in Arizona. Invasive species in Arizona alter ecosystem balance and reduce biodiversity by outcompeting native plants, reducing the resources wildlife rely on and creating a ...

TEMPE, Ariz. — Two researchers at Arizona State University are aiming to help officials manage trees based on how different types are affected by climate change. Janet Franklin, a geography ...

Some effects of Arizona's Dragon Bravo Fire are clear, but what's happened to wildlife may not be known until the flames die ...

In the northern region of the Sonoran Desert, surrounded by five mountain ranges and 350 days of sunshine, lies Tucson where native edible plants grow. The saguaro, barrel and nopal cacti are ...

Wildfires can burn and spread differently depending on what vegetation they burn. The two fires in northern Arizona have ...

A Tucson-based environmental group is petitioning the U.S. Fish and Wildlife Services to put seven amphibians and reptiles on the endangered species list, including four native to Arizona.

A 2022 assessment of tree species native to the contiguous U.S. found 11-16% of species are threatened with extinction. The greatest threats are invasive pests and diseases.

Video recorded after dark in the Sky Islands area of Arizona shows a black-tailed rattlesnake had climbed 20 feet up in a tree.

The 20 th species was the wild turkey, which ducked under vehicle barriers 28 of the 32 times it was observed there, but went 0-for-46 at the small openings cut into border wall segments and ...

Photo Description: Of five nonnative tree species invasive in the southeastern USA, only logs of Triadica sebifera, Chinese tallowtree, successfully produced edible shiitake mushrooms. On farm ...

Scotch thistle is a native to Europe and Asia that has become a spreading invasive species in Arizona, particularly near disturbed areas — where the ground cover is destroyed or removed, leaving ...