What does it take to restore diversity to a profoundly altered landscape? And how do we accept and work within novel ecosystems when there is no intact reference point to guide us?

It was a real treat to sit down with one of the best restoration ecologists I know, Ian Higgins. On a cold winter’s day near Campbells Creek, Ian showed me what decades of patient, thoughtful restoration can achieve.

When Ian first came to the area, there were just five individual wattles along Campbells Creek between Castlemaine and Guildford. Today, following years of care by the Friends of Campbells Creek, there are thousands. But the restoration effort has extended far beyond trees and shrubs. In a grazing-exclusion plot about the size of a house block, Ian has established more than 100 indigenous plant species, including locally rare and threatened species. For Ian, however, establishing a plant is only the beginning. The true measure of success is whether it can reproduce, recruit new individuals and ultimately become part of a self-sustaining ecosystem.

Our conversation explores the enormous legacy of gold mining, clearing, grazing, weeds and fertiliser—and the difficulty of restoring landscapes where almost nothing remains to tell us exactly what was once there. We discuss soil fertility, phosphorus, grazing exclusion, direct seeding, climate change and the sometimes-blurry distinction between indigenous, introduced and locally invasive plants.

Above all, this is a conversation about experimentation, patience and hope. Ian’s work shows that restoration does not necessarily mean recreating an imagined past. It can mean working carefully with the landscape that remains, learning from successes and failures, and helping diversity return—one seedling at a time.