Cook Islands National Environment Service
The Landuse layer of Rarotonga was produced in 2009/2010 under the Sustainable Land Management (SLM) Project. This project was co-implemented by NES and MOIP.
The layer was produced by digitizing from satellite imagery and carrying out random checks on the field.
PNG Conservation and Environment Protection Authority
Research paper which provides overview of how villagers have intensified agricultural systems in Papua New Guinea