The document summarizes the principles, objectives, facilities, and strategic plan of the Terrestrial Ecosystem Research Network (TERN) in Australia. TERN aims to establish a network of ecosystem scientists and infrastructure for collecting, storing, and sharing long-term ecosystem research data and knowledge. Its key objectives are providing network resources to sustain long-term ecosystem data collection and sharing. TERN's facilities include various plot networks, flux towers, remote sensing programs, and data integration initiatives. Its strategic plan for 2011-2014 focuses on engaging communities, building and deploying shared infrastructure including a data portal, and developing sustainability plans to ensure long-term ecosystem research.