Earth Notes: Exploring Fish Ecology in the Colorado River Drainage
Over the past hundred years, people have introduced dozens of non-native fish species into the Colorado River and its tributaries. During that time, populations of native fish species have dropped, in...
View ArticleEarth Notes: Bumblebees on the Colorado Plateau and Beyond
With bee populations declining worldwide, news is often grim in the world of bee research. But last August, entomologists from the University of California at Riverside found something to cheer about:...
View ArticleEarth Notes: Restoring a Watershed, One Russian Olive at a Time
Those who have bloodied hands or arms on the inch-long thorns of a Russian olive, or dulled a chainsaw on its dense wood, know that it takes determination and brute force to clear away these tough...
View ArticleEarth Notes: Glen Canyon Dam - What Flows In (And Not Out)
Two hundred miles upstream from Glen Canyon Dam, the Colorado River roars through Cataract Canyon in a rust colored tumult, thick with silt and clay. Each year, the Colorado and its tributaries carry,...
View ArticleEarth Notes: Caddisflies Inspire Medical Innovation
Imagine an adhesive that could take the place of pins and plates when fixing broken bones, or that could replace staples and sutures during surgery. But creating a glue that sticks to a wet surface is...
View ArticleEarth Notes: Tracking Climate Change In Northern Arizona
In late September, the Intergovernmental Panel on Climate Change released its Summary for Policymakers for part-one of its massive Fifth Assessment Report. Its message? Earth's climate is warming, and...
View ArticleEarth Notes: Measuring the Night on the Colorado Plateau
Some 27 national parks and monuments protect the Colorado Plateau’s remarkable canyons, rivers, and wide-open spaces. But, people increasingly visit the plateau to experience another rare natural...
View ArticleEarth Notes: The Slide Fire’s Mosaic of Impacts
In late May of this year, wildfire swept through upper Oak Creek Canyon in northern Arizona. By the time firefighters contained it in early June, the Slide Fire had burned some 22,000 acres of...
View ArticleEarth Notes: BAER Program Looks At Wildlife After Slide Fire
Soon after the Slide Fire burned 22,000 acres in, and around, Oak Creek Canyon in northern Arizona, researchers from the Forest Service Burned Area Emergency Response - or BAER Program - took stock of...
View ArticleEarth Notes: When Does Wildlife Need Rescuing?
When Bea Cooley and Brooks Hart headed down Oak Creek Canyon to do some birding last winter, they had no idea just how close their bird encounters would be.
View ArticleEarth Notes: Restoring Arizona’s Grasslands
Arid grasslands once covered significant parts of the Southwestern states — as much as 24 million acres in Arizona, for example. American pronghorn were widespread in these open spaces, along with many...
View ArticleEarth Notes : Migratory Birds May Carry Global Hitchhikers
Migratory birds are among the forces that stitch the globe together. Biologists have long known that animals can carry seeds and spores on their bodies, or may eat them and spread them in their waste.
View ArticleEarth Notes: Aerial Acrobats
As cliff swallows return to the Colorado Plateau this spring, they set about building mud nests on cliffs – or, just as often, on manmade structures like bridge abutments or under wide eaves. That...
View ArticleEarth Notes: Protecting Water Rights at Arches National Park
After more than 15 years of negotiations, the state of Utah and the National Park Service signed a water rights agreement this spring for Arches National Park.
View ArticleEarth Notes: Dust and Pollen Bring On the Rain
For allergy sufferers, dust and pollen are an irritating part of life in the Southwest. Yet recent research reveals that these tiny particles are crucial to the formation of life-giving rains, both...
View ArticleEarth Notes: Exploring Fish Ecology in the Colorado River Drainage
Over the past hundred years, people have introduced dozens of non-native fish species into the Colorado River and its tributaries. During that time, populations of native fish species have dropped, in...
View ArticleEarth Notes: Bumblebees on the Colorado Plateau and Beyond
With bee populations declining worldwide, news is often grim in the world of bee research. But last August, entomologists from the University of California at Riverside found something to cheer about:...
View ArticleEarth Notes: Restoring a Watershed, One Russian Olive at a Time
Those who have bloodied hands or arms on the inch-long thorns of a Russian olive, or dulled a chainsaw on its dense wood, know that it takes determination and brute force to clear away these tough...
View ArticleEarth Notes: Glen Canyon Dam - What Flows In (And Not Out)
Two hundred miles upstream from Glen Canyon Dam, the Colorado River roars through Cataract Canyon in a rust colored tumult, thick with silt and clay. Each year, the Colorado and its tributaries carry,...
View ArticleEarth Notes: Caddisflies Inspire Medical Innovation
Imagine an adhesive that could take the place of pins and plates when fixing broken bones, or that could replace staples and sutures during surgery. But creating a glue that sticks to a wet surface is...
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