Mongabay: When logging roads appear in forests, they are often spotlighted by conservationists as harbingers of ecological harm to come. But a new study finds that the roads themselves can damage the environment and may continue doing so for years after the logging stops. The study, published in Geoderma and conducted by researchers at the University of Missouri in the U.S., looked at logging roads in Mark Twain National Forest. They collected core samples from logging roads and log landing areas where...