NAU

Derek Shields/myurbanfarmscape.com

Kids love to play in the dirt. So Flagstaff ecologist Anita Antoninka is channeling that love into learning… using it as a way to teach kids about the effects of climate change on the earth’s biocrust. Today, she’s working with a seventh grade science class at Northland Preparatory Academy to see how a warming planet affects moss.


Earth Notes: Vermilion Flycatchers

Feb 8, 2017
Dyer Lytle

In late February and early March, brilliant red and charcoal male vermilion flycatchers, like valentines on wings, arrive on their breeding grounds along Arizona’s rivers.  


Earth Notes: Controlling Kochia in the West

Feb 1, 2017
Scott Abella

In dry, disturbed soil throughout the West, a weedy invader from Eurasia has gained a tenacious foothold. Kochia scoparia, also called poor man’s alfalfa, has slender, gray-green leaves that turn an ornamental orange in autumn. Despite control efforts, this weed springs back relentlessly thanks to its bountiful seed bank.


Tom Brown, USFS Coconino National Forest

The U.S. Forest Service allowed fire to burn more than 73,500 acres in northern Arizona last year. New research examines how well these “managed wildfires” restore healthy, historic conditions to ponderosa pine forests.  


Don Davis/NASA

Scientists are dismissing a popular theory about mass extinction since the last ice age. The Younger Dryas Impact Hypothesis contends an asteroid hit Earth 13,000 years ago changing the climate instantly and dramatically. Scott Anderson, a paleoecologist at Northern Arizona University, is part of an international research team that looked for evidence to support this explanation, but didn't find any.


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