On a sunny day in a shaded forest, Don Waller and Dave Zaber, two environmental professionals, came across an orchid growing on the forest floor. This part of the Chequamegon-Nicolet National Forest near Eagle River is maturing, with tall trees, a shady canopy, and a cooler temperature. It’s good orchid habitat. But that might change soon, Zaber said. “We’re in a proposed cutting unit of the Fourmile timber sale,” he said. The National Forest has slated this area for selective harvest, part of