Forestry News

Black and white photo of a forest

From the Archives: Restoring Northern Forests

The proceedings booklet for the September 2000 Sigurd Olson Environmental Institute workshop titled “Northern Forest Restoration: Shaping a Vision” opens with a lengthy excerpt from Michael Van Stappen’s essay “In Praise of Yellow Birches.” Early in the excerpt, Van Stappen notes that before the Great Cutover, “giant yellow birches over a hundred feet tall and…

Northland College students search for orchids as part of research project.

The Orchid Hunters

Last summer, students Adrian Bethel and recent graduate Lauren Sloyer ’19 battled mobs of mosquitoes and black flies, scouring the Apostle Islands for a rare broad-leaved twayblade orchid named Neottia convallaroidies. The western orchid is listed as threatened in Wisconsin, the eastern edge of its range, and likely extinct in Minnesota. Assistant Professor of Natural…

Pink squirrel illustration by James O'Brien

Pink Explosion

Armed With a Flashlight and a Sense of Wonder, Researchers Discover Hot-Pink Squirrels

The four-person, pink squirrel research team knew they were onto something when their article was published in the Journal of Mammalogy and the media requests started rolling in. “That’s when the excitement started,” said Allie Kohler ’18, lead author on the project and now a graduate student in wildlife and fisheries at Texas A&M. First…

Flying squirrel at bird feeder fluorescing pink under UV light. Photo taken by Jon Martin, professor of forestry at Northland College.

Flying Squirrels That Glow Pink in the Dark

While ultraviolet fluorescence is common in birds, butterflies and sea creatures, scientists haven’t often observed it in mammals.

One spring night in Wisconsin, Jon Martin, a biologist, was in his backyard with an ultraviolet flashlight. Suddenly, a hot-pink squirrel flew by. It was a southern flying squirrel, a small, furry creature most active at dawn and dusk. Under most circumstances, it has a warm brown color. But in the beam of Dr. Martin’s…

Northland College Professor Erik Olson standing on a fallen white pine tree.

Second Life of a White Pine

Maxwell Property Provides Off-Campus Learning Opportunities

On a parcel of land known as the Maxwell property, a dozen Northland students follow Jon Martin, associate professor of forestry, down a narrow footpath near the winding banks of…  Read More

Northland College student looking through magnifying glass

Apostle Islands Detectives

Do natural occurring fires help or hurt vegetation in the Apostle Islands?

The Great Lakes Regional Office of the National Park Service came to professors Sarah Johnson and Jonathan Martin to help answer a question: Do natural occurring fires help or hurt…  Read More