Papua

The Raja Ampat archipelago - a group of small islands in Indonesia's Southwest Papua Province - has been dubbed the "Amazon of the Seas".

In April, at least one Indonesian soldier was killed after being ambushed by rebels while searching for the kidnapped New Zealander in the Papua region.

Mr Conning was killed when rebels rounded up those on board the helicopter, including four passengers, after they landed in an isolated area in the Central Papua province, police said in a statement.

At 4,000 feet or more above sea level, where some 40 percent of the Papua New Guinean population lives, temperatures have historically been too cold for Anopheles mosquitoes to thrive year-round.

Expansion of industrial plantations occurred in several locations adjacent to existing palm oil tree and pulp and paper plantations on the tropical islands of Kalimantan and West Papua, according to the analysis.