Justin Jonson is managing director, Threshold Environmental Pty. Ltd. As restoration manager for Greening Australia (2006-9) and manager of his own company (2010 – present) Justin has been involved in designing and implementing broad scale direct seeded and planted linkages on 765 hectares of marginal agricultural land in SW Western Australia. Detailed monitoring indicates these works have resulted in the establishment of 3.2 million trees and shrubs.