Divers from the Tavua Reef Institute have planted more than 90,000 coral fragments over six years, and fish numbers on the restored sections are approaching those of healthy reefs nearby.
Eight bison have been released into a fenced area of the reserve, where scientists will study how their grazing and wallowing reshape the woodland.
A conservation trust has completed a 40 km wildlife corridor linking two isolated areas of rainforest in Southeast Asia, and camera traps are already recording animals crossing between them.
