The foothill yellow-legged frog breeds exclusively in streams and prefers warm stream edges. Photo by Amy Lind, U.S. Forest Service.
For the foothill yellow-legged frog, breeding can be a challenging matter.
It is the only true frog in western North America that breeds exclusively in streams, preferring warm stream edges. Its eggs can be swept away with spring rains and rapid currents, so a relatively long breeding season allows mates to wait until weather and water conditions offer the best chance for eggs to develop and hatch in this dynamic environment.
But yellow-legged frogs face a new challenge in a Northern California river managed for agriculture, energy, and habitat for steelhead, Chinook salmon and coho salmon. Read more »
Two students with the Youth Forest Monitoring Program monitor the impact of weeds in a meadow near Webb Lake in the Scapegoat Wilderness. Forest Service photo.
In an age where technology tends to focus the attention of youth indoors, getting kids outdoors and interested in natural resource careers is even more vital today.
Since 1998, an innovative U.S. Forest Service seven-week summer program in central Montana has been achieving that goal by immersing high school students in forest management. They gather data and present findings to Forest Service officials and other representatives in their local communities.
Students involved with the Youth Forest Monitoring Program spend the summer monitoring the health of the national forests at a variety of different locations in the area, but one of the high points is their three-day trip into the Scapegoat Wilderness on the Helena National Forest northwest of Lincoln, Mont. Though the area isn’t far from where many of these students have grown up, the trip gives them the opportunity to experience a protected area many had never visited before. Earlier this year, 13 students along with four field instructors were there to gather data on recreation impacts, water quality and document the spread of invasive weeds. Read more »
The very existence of frogs worldwide is being threatened by a killer fungus. Photo Credit: National Science Foundation
A lethal fungus is killing frogs and other water-dwelling amphibians all over the world, but a team of international scientists led by U.S. Forest Service scientist Deanna Olson is working to understand why.
Olson, who works at the agency’s Pacific Northwest Research Station, and her colleagues have the daunting task of tracking the disease, known as the amphibian chytrid fungus. Unlike the clearly visible white-nose syndrome killing bats in the U.S., the frog fungus cannot be seen except with a microscope. That makes scientists’ jobs that much more difficult.
Since the discovery of the malady is so recent, scientists still don’t understand a great deal about the fungus except that it affects the skin and ultimately leads to cardiac arrest in amphibians. Read more »