The northern pocket gopher (Thomomys talpoides) brings unexpected ecosystem benefitsAll Canada Photos/AlamyTwo years after Mount St Helens erupted in 1980, a team of researchers helicoptered in a gopher to the ash-covered landscape. Decades later, the activity of that single gopher burrowing for a single day may have helped the decimated ecosystem regrow by boosting the diversity of soil fungi.Theres something to be said about learning lessons from the gophers, says Mia Maltz at the University of Connecticut, who has used the eruption to understand how forests might recover from other stresses including wildfires and