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Earth Notes
7:14 am
Thu July 18, 2013

Earth Notes: Schultz Fire Habitat Islands

Fresh vegetation grows in the Schultz Fire burn area
Credit Kris Haskins

It's been 3 years since the Schultz Fire seared more than 15,000 acres on the San Francisco Peaks north of Flagstaff. About 2/3 of that area, mostly ponderosa pine and mixed conifer forest, was moderately to severely burned. But native plant species have been helping to restore the area.

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Earth Notes
7:46 am
Wed May 29, 2013

Earth Notes: Cryptic Species

Grand Canyon century plant
Credit Desert Botanical Garden

You can't always tell a book by its cover - it's a cliche', but it's bearing out in the world of biology. As biologists peer ever more closely inside the book of life, they are learning there may be far more species of plants and animals than anyone previously thought.

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Earth Notes
10:16 am
Wed March 27, 2013

Earth Notes: New Mexico's Bisti Badlands

Bisti Badlands, New Mexico
Credit BLM New Mexico

In the northwest corner of New Mexico, not far from Chaco Canyon, there's a geologic wonderland that's weird even by the amped-up standards of the Colorado Plateau...

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Earth Notes
9:45 am
Wed February 27, 2013

Earth Notes: Del Rio Spring's Green Oasis

Del Rio Springs
Credit Gary Beverly

In many parts of the country Del Rio Springs wouldn't get much attention. But because it's a reliable spring in an arid quarter, this little oasis has been attracting people for a long time.

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Earth Notes
3:46 pm
Wed January 23, 2013

From Harvard Undergrad to Pioneering Archaeologist

Alfred Vincent Kidder in the early 1900's
Credit National Park Service

More than a century ago, a Harvard undergraduate named Alfred Vincent Kidder came out west. He came to volunteer at some archaeological sites that had just been excavated - places like Mesa Verde and other ancient ruins.

Nicknamed Ted, he had little more than a tape measure, a cheap compass and a Kodak camera. But the experience changed his life - and the course of southwestern archaeology.

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Earth Notes
5:00 am
Wed November 28, 2012

Earth Notes: Safeguarding Southwestern Bats

Braided Cave
Credit National Park Service

As winter approaches, some species of bats settle in to hibernate in caves. Lack of food and dropping temperatures drive them inside, where “carpets” of bats congregate on cave ceilings.

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KNAU and Arizona News
11:43 am
Tue November 13, 2012

4FRI Part 1: The Problem with Our Ponderosa Forests

Kelly Canyon
Michael Collier

  

The world’s largest ponderosa pine forest stretches across higher elevations from the San Francisco Peaks to the Arizona/New Mexico border. But in the last century, human intervention has threatened its health.

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Earth Notes
4:00 am
Wed October 3, 2012

Earth Notes: Arizona’s Elk

Arizona Elk
Ron Nichols, U.S. Department of Agriculture

Early on fall mornings, a piercing screech echoes across meadows in northern Arizona. It’s the frenzied bugle of a big bull elk in rut, trying to lure a harem of cows to breed and continue his line.

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Earth Notes
11:19 am
Wed August 22, 2012

Earth Notes: Milkweeds for Monarchs

Monarch Butterfly
John Anderson Hedgerow Farms

If you’re out searching for one of North America’s most famed butterflies, the beautiful orange and black monarch butterfly, try looking in a patch of milkweed.

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Land Lines
4:00 am
Thu August 16, 2012

Land Lines: Toroweap

Toroweap Overlook
Michael Collier

If you stand at the brink of Toroweap Overlook and toss a penny into the Grand Canyon, the falling coin would hit the Colorado River two minutes later.

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